The present invention relates to an apparatus and method for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a discrete cellulose blank. The apparatus comprises a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (17) and the second mould part (18) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween. The first mould part (15) comprises a lower press-surface (23) and a cylinder-shaped inner guide wall surface (27), wherein the cylinder-shaped inner guide wall surface (27) defines a guide chamber (28), and the second mould part (16) comprises an upper press-surface (19) and a cylinder-shaped outer guide wall surface (29), wherein the cylinder-shaped outer guide wall surface (29) defines a guide body (30). The cross-section of the outer guide wall surface (29) corresponding to the cross-section of the inner guide wall surface (27), and a gap (Y) in the transversal direction between the inner guide wall surface (27) and the outer guide wall surface (29) is equal to or more than 0,015 mm and equal to or less than 0,5 mm.
The present invention relates to a product forming unit for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank. The product forming unit comprising a moulding tool having a first mould part (17) and a second mould part (18), the product forming unit further comprising heating means for heating the cellulose blank to a forming temperature T, wherein at least one of the first mould part (17) and the second mould part (18) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, the first mould part (17) comprising a product press-surface and the second mould part (18) comprising a product press-surface arranged opposite the product press-surface of the first mould part (17) and together defining a press cavity of the moulding tool. The press cavity comprises a first sub-cavity (22') and a second sub-cavity (22"), wherein the moulding tool comprises a hinge position (23) dividing the first sub-cavity (22') and the second sub-cavity (22") from each other. The second mould part (18) comprises a snap press-surface (26) located adjacent the first rim press-surface (24) and located transversally outside the first rim press-surface (24) in relation to the hinge position (23), wherein the snap press-surface (26) is facing in the axial direction of the moulding tool and wherein an angle (α) between the first rim press-surface (24) and the snap press-surface (26) is equal to or less than 85 degrees and equal to or more than 60 degrees.
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 43/02 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles
B31F 1/00 - Mechanical deformation without removing material, e.g. in combination with laminating
3.
METHOD FOR DRY MANUFACTURING RIGID CELLULOSE PRODUCTS
The present invention relates to a method and an apparatus (1) for dry manufacturing rigid cellulose product (2) having essentially non-flat general shape from a cellulose blank (10). The method comprises the steps of providing a cellulose pulp sheet (7), disintegrating the cellulose pulp sheet (7) in order to generate a quantity of separated cellulose fibres, forming a cellulose blank (10) in the cellulose blank forming unit (9), transferring the cellulose blank (10) to a product forming unit (11), and producing rigid cellulose products (2) in the product forming unit (11), wherein the product forming unit (11) comprises heating means for heating the cellulose blank (10) to a forming temperature T, the product forming unit (11) comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein the heated cellulose blank (10) is pressed between the first mould part (15) and the second mould part (16) by applying a forming pressure P in the axial direction of the moulding tool. The primed cellulose pulp sheet (7) has an added barrier dispersion (34) that comprises deionized water (35), a barrier additive (36), including water, a barrier agent and a cationic stabilizer, and a wet strength additive (37), including water, and a wet strength agent, wherein the total amount of barrier agent, cationic stabilizer and wet strength agent is in the range 5-20 wt% of the barrier dispersion (34), the ratio between the wet strength agent and the barrier agent being in the range 1:2 – 2:1.
B27N 3/04 - Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
B27N 3/06 - Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
The present invention relates to a method and an apparatus (1) for dry manufacturing rigid cellulose product (2) having essentially non-flat general shape from a cellulose blank (10). The method comprises the steps of providing an air-laid cellulose blank (10), transferring the cellulose blank (10) to a product forming unit (11), and producing rigid cellulose products (2) in the product forming unit (11), wherein the product forming unit (11) comprises heating means for heating the cellulose blank (10) to a forming temperature T, the product forming unit (11) comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein the heated cellulose blank (10) is pressed between the first mould part (15) and the second mould part (16) by applying a forming pressure P in the axial direction of the moulding tool, and removing the pressed cellulose product from the moulding tool. The primed cellulose pulp sheet (7) has an added barrier dispersion (34) that comprises water and/or fat resistance barrier dispersion (34) that comprises water (35) and a barrier additive (36), wherein the pressed cellulose product (2) is provided with water and/or fat resistance barrier properties, and the method further comprises the step of adding a nano-coating to the pressed cellulose product (2) in order to also provide gas transmission resistance properties to the final cellulose product (2).
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 43/02 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles
B31F 1/00 - Mechanical deformation without removing material, e.g. in combination with laminating
The present invention relates to a method and a product forming unit (11) for dry manufacturing rigid cellulose product (2) having essentially non-flat general shape from a cellulose blank (10). The product forming unit (11) comprises a moulding tool having a first mould part (15) and a second mould part (16), and the method comprising the steps of providing the cellulose blank (10) into the moulding tool, closing the moulding tool, pressing the heated cellulose blank (10) between the first mould part (15) and the second mould part (16) of the moulding tool, by applying a forming pressure P in the axial direction of the moulding tool, performing a first step of the opening of the moulding tool by decreasing the applied pressure down to a predetermined pressure level P1 in the range 25 - 15 % of said forming pressure P, performing a second step of the opening of the moulding tool be decreasing the applied pressure from said predetermined pressure level P1 down to at least 5% of the forming pressure P during a time period equal to or more than 0,1 seconds and equal to or less than 2 seconds, performing a third step of the opening of the moulding tool by displacing at least one of the first mould part (15) and the second mould part (16) in the axial direction in relation to each other, away from each other to the open position, and removing the cellulose product (2) from the moulding tool. Publication picture: Figure 8
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 43/04 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
6.
PRODUCT FORMING UNIT FOR DRY MANUFACTURING RIGID CELLULOSE PRODUCTS AND METHOD FOR CONTROLLING SUCH PRODUCT FORMING UNIT
The present invention relates to a method and a product forming unit for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank The product forming unit comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (15) and the second mould part (16) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, the product forming unit further comprising heating means for heating the cellulose blank (10) to a forming temperature T and an out-feed device (28) having a movable arm (29) and a first suction device (30) connected to said arm (29). Wherein first suction device (30) of the out-feed device (28) is insertable into the moulding tool after the pressing of the cellulose product (2) in order to engage the cellulose product (2), wherein the first suction device (30) is retractable from the moulding tool in order to remove the cellulose product (2) from the moulding tool. The out-feed device (28) is operatively connected to means for determining the real pressure level of the first suction device (30) during the retraction of the first suction device (30), and is operatively connected to means for comparing the determined real pressure level of the first suction device (30) and a predetermined pressure level threshold in order to confirm whether successful or unsuccessful removal of the cellulose product (2) from the moulding tool is executed.
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 43/04 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
B29C 43/34 - Feeding the material to the mould or the compression means
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for the manufacture of non-woven fabrics;
air-laying machines; machines for processing fibres;
machines for forming fibre webs; machines for making fibre
pads; conveyors [machines]; parts of machines for
manufacturing fibrous materials. Computer software for controlling and monitoring industrial
processes; computer software for industrial automation;
process control instruments [industrial]; sensors for
industrial use; measuring apparatus and instruments;
apparatus for data processing. Design and development of computer software for industrial
automation; software as a service [SaaS] featuring software
for controlling and monitoring industrial processes;
providing temporary use of online non-downloadable software
for industrial process control; engineering services;
industrial design; technical consultancy in the field of
industrial manufacturing processes.
The present invention relates to a method and a product forming unit for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank. The product forming unit comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (15) and the second mould part (16) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween into final shape by applying a forming pressure P in the axial direction of the moulding tool, the product forming unit (11) comprising heating means for heating the cellulose blank (10) to a forming temperature T, wherein the moulding tool comprises a press cavity. The product forming unit further comprises a dust removing arrangement (28), wherein the dust removing arrangement (28) comprises a suction nozzle (29) arranged at the interface between the first mould part (15) and the second mould part (16) and configured to remove dust from the moulding tool in connection with the end of the pressing of the cellulose blank (10) into final shape, wherein the suction nozzle (29) is located radially outside the press cavity of the moulding tool.
B29C 43/02 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
B27N 7/00 - After-treatment, e.g. reducing swelling or shrinkage, surfacingProtecting the edges of boards against access of humidity
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for the manufacture of non-woven fabrics; air-laying machines; machines for processing fibres; machines for forming fibre webs; machines for making fibre pads; conveyors [machines]; parts of machines for manufacturing fibrous materials. Computer software for controlling and monitoring industrial processes; computer software for industrial automation; process control instruments [industrial]; sensors for industrial use; measuring apparatus and instruments; apparatus for data processing. Design and development of computer software for industrial automation; software as a service [SaaS] featuring software for controlling and monitoring industrial processes; providing temporary use of online non-downloadable software for industrial process control; engineering services; industrial design; technical consultancy in the field of industrial manufacturing processes.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for the manufacture of non-woven fabrics; Air-laying machines; Machines for processing fibres; Machines for forming fibre webs; Machines for making fibre pads; Conveyors [machines]; Parts of machines for manufacturing fibrous materials. Computer software for controlling and monitoring industrial processes; Computer software for industrial automation; Process control instruments [industrial]; Sensors for industrial use; Measuring apparatus and instruments; Apparatus for data processing. Design and development of computer software for industrial automation; Software as a service [SaaS] featuring software for controlling and monitoring industrial processes; Providing temporary use of online non-downloadable software for industrial process control; Engineering services; Industrial design; Technical consultancy in the field of industrial manufacturing processes.
13.
METHOD AND APPARATUS FOR DRY MANUFACTURING RIGID CELLULOSE PRODUCTS
The present invention relates to a method for dry manufacturing rigid cellulose products. A rim portion press-surface (29a) of a first mould part (18) is arranged opposite a rim portion press-surface (25a) of a second mould part (19) in order to press the rim portion of the cellulose product therebetween, wherein a cutter body (32) is displaceable in the axial direction in relation to the rim portion press-surface (29a) of the first mould part (18) and the rim portion press-surface (25a) of the second mould part (19) between a retracted position and an extended position. The method comprises the steps of: engaging the rim portion on opposite sides by the rim portion press-surface (29a) of the first mould part (18) and the rim portion press-surface (25a) of the second mould part (19), displacing the cutter body (32) of the second mould part (19) in relation to the first mould part (18), in order to cut-off residual cellulose material located radially outside the rim portion, and thereafter final pressing of the rim portion into final rigid shape between the rim portion press-surface (29a) of the first mould part (18) and the rim portion press-surface (25a) of the second mould part (19).
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 43/04 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
B29C 43/40 - Moulds for making articles of definite length, i.e. discrete articles with means for cutting the article
B31B 110/20 - Shape of rigid or semi-rigid containers having a curved cross section, e.g. circular
B31B 120/00 - Construction of rigid or semi-rigid containers
14.
PRODUCT FORMING UNIT AND METHOD FOR DRY MANUFACTURING RIGID CELLULOSE PRODUCTS
The present invention relates to a method and a product forming unit for dry manufacturing rigid cellulose products having essentially non-flat general shape from a cellulose blank (10) The product forming unit comprising a moulding tool having a male mould part (16) and a female mould part (15) having co-operating designs, wherein at least one of the male mould part (16) and the female mould part (15) is displaceable in an axial direction in relation to the other in order to press the cellulose blank (10) therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool. The female mould part (15) comprises a plurality of undercut members (30) displaceable between a retracted position and an inwardly extended position in relation to the inclined wall surface (25) of the female mould part (15), wherein each undercut member (30) is displaceable in a direction that is essentially perpendicular to the inclined wall surface (25) of the female mould part (15), and the moulding tool comprises an undercut member activation body (32) that is displaceable in relation to the female mould part (15) in the axial direction when the male mould part (16) and the female mould part (15) are in the press-position, and thereby configured to displace each undercut member (30) from its retracted position to the inwardly extended position when the male mould part (16) and the female mould part (15) are in the press-position.
The present invention relates to a method and a product forming unit for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank The product forming unit comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (15) and the second mould part (16) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, and wherein the second mould part (16) of the moulding tool comprises a main body and an ejector assembly having at least one ejector member (28). The at least one ejector member (28) is displaceable between a retracted position and an extended position in relation to the main body of the second mould part (16), wherein said ejector member (28) is biased towards said retracted position and configured to be pneumatically driven from the retracted position to the extended position in order to engage the cellulose product (2) and remove the pressed cellulose product (2) from the second mould part (16) after the pressing of the cellulose blank (10).
The present invention relates to a method and an apparatus for dry manufacturing rigid cellulose product (2) having essentially non-flat general shape from a cellulose blank (10) The apparatus (1) comprises a conveyor arrangement (20) comprising an endless conveyor belt (21) configured for continuously moving at a predetermined traveling speed, a product forming unit (11) that comprises a moulding tool having a first mould part (15) and a second mould part (16) displaceable in an axial direction in relation to each other in order to press the cellulose blank (10) therebetween, wherein the cellulose blank (10) comprises a product area (25). The apparatus further comprises an in-feed device (22) that comprises a suction device (24) configured to engage and transfer the cellulose blank (10) from the continuously moving conveyor belt (21) into the open moulding tool, the suction device (24) having a perforated area corresponding in size to at least the product area of the cellulose blank (10), and wherein the suction device (24) in the transport direction of the conveyor arrangement (20) during engagement with the cellulose blank (10), is configured to move in conformity with the traveling speed of the conveyor belt (21).
The present invention relates to a method and a product forming unit for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank The product forming unit comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (15) and the second mould part (16) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool. The nominal distance (T) between the first mould part (15) and the second mould part (16) is in the range 0,3-2,0 millimetres. The first mould part (15) comprises a projection (30) that has a height (H) equal to or less than 15% of said nominal distance (T), in order to provide a debossing pattern (31) on the pressed cellulose product (2), and a recess (32) that has a depth (D) equal to or less than 15% of said nominal distance (T), in order to provide an embossing pattern (33) on the pressed cellulose product (2), wherein the essentially even principal surface (29) of the second mould part (16) is opposite said projection (30) and said recess (32) of the first mould part (15).
The present invention relates to a product forming unit for dry manufacturing rigid cellulose products () having essentially non-flat general shape from a cellulose blank The product forming unit comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (15) and the second mould part (16) is displaceable in the axial direction in relation to the other in order to press the cellulose blank (10) therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, wherein the first mould part (15) comprises a scrap press-surface (23), and wherein the second mould part (16) comprises a scrap press-surface (19), said scrap press-surface (23) of the first mould part (15) being arranged opposite the scrap press-surface (19) of the second mould part (16). The moulding tool further comprises a retaining means configured to retain the pressed cellulose product (2) in contact with the first mould part (15) after the pressing of the cellulose product (2), the retaining means comprising an axially extending pin (28) connected to the scrap press-surface (23) of the first mould part (15) and an axially extending bore (29) arranged in the scrap press-surface (19) of the second mould part (16), wherein said pin (28) is configured to enter into said bore (29) during pressing of the cellulose product (2), and wherein said pin (28) comprises a bulging body (30) and a thinner waist (31) located between the bulging body (30) and the scrap press-surface (23) of the first mould part (15).
B29C 70/12 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of short length, e.g. in the form of a mat
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
B31D 5/02 - Multiple-step processes for making three-dimensional articles including pressing
19.
PRODUCT FORMING UNIT FOR DRY MANUFACTURING RIGID CELLULOSE PRODUCTS AND A METHOD FOR CONTROLLING SUCH PRODUCT FORMING UNIT
The present invention relates to a method and a product forming unit for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank The product forming unit comprising a moulding tool having a first mould part (15) and a second mould part (16), wherein at least one of the first mould part (15) and the second mould part (16) is displaceable in the axial direction in relation to the other in order to press the cellulose blank therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, wherein the first mould part (15) comprises a bottom surface (21) and the second mould part (16) comprises a bottom surface (19) and wherein the axial distance between the bottom surface (21) of the first mould part (15) and the bottom surface (19) of the second mould part (16) during the pressing of the cellulose product (2) is T millimetres. The product forming unit further comprises an out-feed device (25) having a movable arm (26) and a first suction device (27) connected to said arm (26), the first suction device (27) of the out-feed device (25) being insertable into the moulding tool between the first mould part (15) and the second mould part (16) after the pressing of the cellulose product (2), wherein the first suction device (27) is displaceable towards the bottom surface (21) of the first mould part (15) in order to engage the cellulose product (2) and has a stop position located X millimetres from the bottom surface (21) of the first mould part (15), wherein X > T and X ≤ 3T.
The present invention relates to a method for dry manufacturing a rigid cellulose tray (2) having at least two compartments (3a, 3b) separated by a partition (4), the rigid cellulose tray (2) comprising a first sub-tray (2a) and a second sub-tray (2b), wherein the first sub-tray (2a) is connected to the second sub-tray (2b) via said partition (4) The method comprises the steps of: providing an air-laid first cellulose blank segment that comprises a first sub-tray area and a bridging area, pressing the first sub-tray area into a rigid shape and keeping the bridging area in a non-rigid shape, providing an air-laid second cellulose blank segment that comprises a second sub-tray area and a bridging area, pressing the second sub-tray area into a rigid shape and keeping the bridging area in a non-rigid shape, placing the bridging area of the first cellulose blank segment in overlapping contact with the bridging area of the second cellulose blank segment, and joining together the bridging area of the first cellulose blank segment and the bridging area of the second cellulose blank segment into a rigid partition (4) by applying a predetermined pressure.
The present invention relates to a method for dry manufacturing a rigid cellulose tray (2) having at least two compartments (3a, 3b) separated by a partition (4), the rigid cellulose tray (2) comprising a first sub-tray (2a) and a second sub-tray (2b), wherein the first sub-tray (2a) is connected to the second sub-tray (2b) via said partition (4) The method comprises the steps of: providing an air-laid first cellulose blank segment that comprises a first sub-tray area and a bridging area, pressing the first sub-tray area into a rigid shape and keeping the bridging area in a non-rigid shape, providing an air-laid second cellulose blank segment that comprises a second sub-tray area and a bridging area, pressing the second sub-tray area into a rigid shape and keeping the bridging area in a non-rigid shape, placing the bridging area of the first cellulose blank segment in overlapping contact with the bridging area of the second cellulose blank segment, and joining together the bridging area of the first cellulose blank segment and the bridging area of the second cellulose blank segment into a rigid partition (4) by applying a predetermined pressure.
The present invention relates to an apparatus and method for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank (10), the apparatus (1) comprising a moulding tool having a male mould part (15) and a female mould part (16) having co-operating designs, wherein at least one of the male mould part (15) and the female mould part (16) is displaceable in an axial direction in relation to the other in order to press the cellulose blank (10) therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, wherein the female mould part (16) comprises a main recess (17) having a bottom surface (22), a wall surface (23) extending essentially in the axial direction, and a transitional edge surface (24) located between the bottom surface (22) and the wall surface (23). The apparatus (1) further comprises a male pre-shaping part (26) configured for pre-shaping the cellulose blank (10) in the main recess (17) of the female mould part (16) before the pressing of the cellulose blank (10) into final shape, by insertion of the male pre-shaping part (26) into the main recess (17) of the female mould part (16) having the cellulose blank (10) located therebetween, wherein the male pre-shaping part (26) comprises a bottom surface (27), a wall surface (28) extending essentially in the axial direction, and a transitional edge surface (29) located between the bottom surface (27) and the wall surface (28), and wherein the male pre-shaping part (26), in connection with at least one of the bottom surface (27) and the transitional edge surface (29) thereof, comprises holding means (30) configured for fixating the cellulose blank (10) in relation to the bottom surface (27) of the male pre-shaping part (26) during the insertion of the male pre-shaping part (26) into the main recess (17) of the female mould part (16).
The present invention relates to a method and an apparatus for dry manufacturing rigid cellulose products, the apparatus comprising a moulding tool having a first mould part (16) and a second mould part (17), wherein each of the mould parts comprises a bottom surface (18a, 18b) and a wall surface (19a, 19b) and wherein at least one of the first mould part (16) and the second mould part (17) is displaceable in the axial direction in relation to the other in order to press the cellulose blank (11) between the mould parts into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, at least one of the first mould part (16) and the second mould part (17) comprising a base body (20a, 20b), a top body (21a, 21b) and an intermediate ring body (22a, 22b), wherein the top body (21a, 21b) is displaceable in the axial direction in relation to the base body (20a, 20b) between an extended position and a compressed position, the ring body (22a, 22b) comprising at least a part of the wall surface (19a, 19b) of the mould part (16, 17), wherein the ring body (22a, 22b) is composed of an elastically deformable material, and wherein the ring body (22a, 22b) is configured to expand in the radial direction as a result of the top body (21a, 21b) being displaced from the extended position towards the compressed position. The apparatus is characterized in that the top body (21a, 21b) and the base body (20a, 20b) of said at least one mould part abut each other in the axial direction when the top body (21a, 21b) is in the compressed position and the ring body (22a, 22b) has a radially expanded shape.
The present invention relates to an apparatus for dry manufacturing rigid cellulose products (2) having essentially non-flat general shape from a cellulose blank (10), the apparatus (1) comprising a moulding tool having a male mould part (15) and a female mould part (16) having co-operating designs, wherein at least one of the male mould part (15) and the female mould part (16) is displaceable in an axial direction in relation to the other in order to press the cellulose blank (10) therebetween into final shape by applying a predetermined pressure P in the axial direction of the moulding tool, wherein the male mould part (15) comprises a main projection (18) having a bottom surface (19), a wall surface (20) extending essentially in the axial direction, and a transitional edge surface (21) located between the bottom surface (19) and the wall surface (20), and wherein the female mould part (16) comprises a main recess (17) having a bottom surface (22), a wall surface (23) extending essentially in the axial direction, and a transitional edge surface (24) located between the bottom surface (22) and the wall surface (23) The apparatus is characterized in that the friction coefficient between the wall surface (20) of the male mould part (15) and the cellulose blank (10) is higher than the friction coefficient between the wall surface (23) of the female mould part (16) and the cellulose blank (10).
The invention relates to an apparatus (100) and method for dry manufacturing rigid cellulose products having essentially non-flat general shape. The apparatus (100) comprises a disintegrating unit (3), a multi-stage cellulose blank forming unit (30) and a product forming unit (40) for producing rigid cellulose products (14). The multi-stage cellulose blank forming unit (30) comprising a dispenser for guiding a cellulose fibre carrying air flow from the disintegrating unit (3), a first forming drum (15) having an outer surface configured for receiving cellulose fibres originating from the dispenser and for forming part of the cellulose blank (13), by means of a first air removing device (54) arranged inside the first forming drum (15), a second forming drum (15′) having an outer surface configured for receiving cellulose fibres originating from the dispenser and from the outer surface of the first forming drum (15) and for forming the continuous or discontinuous cellulose blank (13), by means of a second air removing device (54′) arranged inside the second forming drum (15), and a support structure (8) for receiving the continuous or discontinuous cellulose blank (13) formed on said second forming drum (15′).
B31B 50/59 - Shaping sheet material under pressure
B31B 50/64 - Uniting opposed surfaces or edgesTaping by applying heat or pressure, e.g. by welding
B65D 75/22 - Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding the sheet or blank being recessed to accommodate contents
B65D 75/32 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
B65D 81/09 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using flowable discrete elements of shock-absorbing material, e.g. pellets or popcorn
Packaging container for accommodating an item therein comprising a lined tray and a lid film (25) heat-sealed to said lined tray, the lined tray comprising a rigid cellulose tray (2) and a liner film (22), wherein the rigid cellulose tray (2) comprises a bottom portion, a wall connected to the bottom portion, a brim connected to and extending in the radial direction from the upper end of the wall, and a holding tab connected to and extending in the radial direction outwards from the brim, wherein the liner film (22) is adhered to at least an upper surface (20) of the brim and an upper surface (21) of the holding tab. The lined upper surface (23) of at least a distal portion of the holding tab in relation to the lined upper surface (24) of the adjacent brim, is in the axial direction located offset towards the bottom portion.
The present invention relates to a method for dry manufacturing rigid cellulose products (2) having non-flat general shape and an internal cavity (24). The method comprises the steps of, pressing at least one product area of the first cellulose blank segment (12a) into a final rigid non-flat shape, and keeping a rim area of the first cellulose blank segment (12a) in a non-final non-rigid shape, pressing at least one product area of the second cellulose blank segment (12b) into a final rigid shape, placing the rim area of the first cellulose blank segment (12a) in contact with a rim area of the second cellulose blank segment (12b), and joining the rim areas of the first and second cellulose blank segments into a final rigid rim (23), thereby obtaining the rigid cellulose product (2) having non-flat general shape wherein the internal cavity (24) is delimited by the pressed product areas of the first and second cellulose blank segments.
B31F 1/00 - Mechanical deformation without removing material, e.g. in combination with laminating
B65D 75/22 - Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding the sheet or blank being recessed to accommodate contents
B65D 75/32 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
B31B 50/59 - Shaping sheet material under pressure
B31B 50/64 - Uniting opposed surfaces or edgesTaping by applying heat or pressure, e.g. by welding
B65D 81/09 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using flowable discrete elements of shock-absorbing material, e.g. pellets or popcorn
The present invention relates to a method for manufacturing a lid (2) made of cellulose fibers, and relates to a set of a container (13) and a lid (2). The container (13) comprises a container wall (14) and an opening (15) defined by a circumferential rim (16), wherein said rim has a circular outer rim surface (17), the lid (2) comprising a cover plate (19) configured to cover the opening (15) of the container (13) and a skirt (20) connected to the cover plate (19) and configured to engage the circular outer rim surface (17), and wherein a first circumferential segment (24) of an inner surface of the skirt (20) has cylindrical shape. The lid (2) is characterized in that the cylinder-shaped first circumferential segment (24) of the skirt (20) has non-circular shape, and in that the inner circumference of the first circumferential segment (24) of the inner surface of the skirt (20) is equal to or less than 102% of the circumference of the circular outer rim surface (17) of the container (13) and is equal to or more than 98% of the circumference of the circular outer rim surface (17) of the container (13).
An apparatus for dry manufacturing rigid cellulose products having essentially non-flat general shape comprising a disintegrating unit, a cellulose blank forming unit, and a product forming unit. The cellulose blank forming unit comprises a dispenser for guiding a cellulose fibre carrying air flow from the disintegrating unit, and a forming drum having an outer surface comprising perforations. The outer surface is configured for receiving cellulose fibres and forming a continuous or discontinuous cellulose blank, and comprises a first area having a first perforation density and a second area having a second perforation density less than the first perforation density for forming the cellulose blank with higher grammage at first locations originating from the first area than at second locations originating the said second area. The apparatus further comprises an air removing device arranged inside the forming drum, and a support structure for receiving the cellulose blank from the forming drum.
B27N 3/00 - Manufacture of substantially flat articles, e.g. boards, from particles or fibres
B27N 3/14 - Distributing or orienting the particles or fibres
B27N 3/20 - Moulding or pressing characterised by using platen-presses
B27N 3/26 - Moulding or pressing characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum
34.
METHOD AND APPARATUS FOR DRY MANUFACTURING RIGID CELLULOSE PRODUCTS
A method for dry manufacturing rigid cellulose products having an essentially non-flat general shape from cellulose fibres comprising the steps of: providing a quantity of separated cellulose fibres from a dry cellulose raw material in at least one separating unit, providing the separated cellulose fibres onto a support structure for forming a cellulose blank, producing the rigid cellulose product having essentially non-flat general shape by pressing the cellulose blank in a product forming unit having a moulding tool for forming the rigid cellulose product, by means of at least one imprinting tool before the step of producing the rigid cellulose product, imprinting the cellulose blank by providing an imprinted pattern onto the cellulose blank to increase internal bonding between individual cellulose fibres at the location of the imprinted pattern to prevent mutual separation of the individual cellulose fibres during the pressing of the cellulose blank in the product forming unit.
Apparatus (100) and method for dry manufacturing rigid cellulose products having essentially shape, the apparatus (100) comprising a disintegrating unit (3), a multi-stage cellulose blank forming unit (30) and a product forming unit (40) for producing rigid cellulose products (14). The blank forming unit (30) comprising a dispenser for guiding a cellulose fibre carrying air flow from the disintegrating unit (3), a first forming drum (15) having an outer surface configured for receiving cellulose fibres and for forming part of the cellulose blank (13), by means of a first air removing device (54) arranged inside the first forming drum (15), a second forming drum (15') for forming the continuous or discontinuous cellulose blank (13), by means of a second air removing device (54') arranged inside the second forming drum (15), and a support structure (8) for receiving the cellulose blank (13) formed on said second drum (15').
B27N 3/14 - Distributing or orienting the particles or fibres
B27N 3/18 - Auxiliary operations, e.g. preheating, humidifying, cutting-off
B27N 3/20 - Moulding or pressing characterised by using platen-presses
B27N 3/26 - Moulding or pressing characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum
Apparatus (100) and method for dry manufacturing rigid cellulose products having essentially shape, the apparatus (100) comprising a disintegrating unit (3), a multi-stage cellulose blank forming unit (30) and a product forming unit (40) for producing rigid cellulose products (14). The blank forming unit (30) comprising a dispenser for guiding a cellulose fibre carrying air flow from the disintegrating unit (3), a first forming drum (15) having an outer surface configured for receiving cellulose fibres and for forming part of the cellulose blank (13), by means of a first air removing device (54) arranged inside the first forming drum (15), a second forming drum (15') for forming the continuous or discontinuous cellulose blank (13), by means of a second air removing device (54') arranged inside the second forming drum (15), and a support structure (8) for receiving the cellulose blank (13) formed on said second drum (15').
B27N 3/00 - Manufacture of substantially flat articles, e.g. boards, from particles or fibres
B27N 3/14 - Distributing or orienting the particles or fibres
B27N 3/18 - Auxiliary operations, e.g. preheating, humidifying, cutting-off
B27N 3/20 - Moulding or pressing characterised by using platen-presses
B27N 3/26 - Moulding or pressing characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
Pulp processing machines; machines for carton-making;
wrapping machines; carton folding machines; packaging
machines; machines for manufacturing packaging materials. Boxes of paper or cardboard; food wrappers; packaging
materials; wrapping materials made of paper; packing
[cushioning, stuffing] materials of paper or cardboard;
cartons of cardboard for packaging; bags and articles for
packaging, wrapping and storage of paper, cardboard or
plastics; containers of card for packaging; industrial
packaging containers of paper; packaging containers of
regenerated cellulose; packaging materials made of
cardboard; egg cartons of paper; airtight packaging of
paper; airtight packaging of cardboard. Industrial design; industrial research; design and
development of wrapping material, wrapping and packaging
machines and apparatus; quality control and authentication
services [verification of the characteristics of goods]
related to wrapping and packing; design and development of
hardware and software within wrapping and packaging.
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
Pulp processing machines; machines for carton-making;
wrapping machines; carton folding machines; packaging
machines; machines for manufacturing packaging materials. Boxes of paper or cardboard; food wrappers; packaging
materials; wrapping materials made of paper; packing
[cushioning, stuffing] materials of paper or cardboard;
cartons of cardboard for packaging; bags and articles for
packaging, wrapping and storage of paper, cardboard or
plastics; containers of card for packaging; industrial
packaging containers of paper; packaging containers of
regenerated cellulose; packaging materials made of
cardboard; egg cartons of paper; airtight packaging of
paper; airtight packaging of cardboard. Industrial design; industrial research; design and
development of wrapping material, wrapping and packaging
machines and apparatus; quality control and authentication
services [verification of the characteristics of goods]
related to wrapping and packing; design and development of
hardware and software within wrapping and packaging.
40.
METHOD AND APPARATUS FOR DRY MANUFACTURING RIGID CELLOLUSE PRODUCTS
The invention relates to an apparatus (100) and method for dry manufacturing rigid cellulose products having essentially non-flat general shape. The apparatus (100) comprises a disintegrating unit (3), a cellulose blank forming unit (30) and a product forming unit (40) for producing rigid cellulose products (14). The cellulose blank forming unit (30) comprising a dispenser for guiding a cellulose fibre carrying air flow from the disintegrating unit (3), a forming drum (15) having an outer surface comprising perforations, wherein the outer surface is configured for receiving cellulose fibres and for forming a cellulose blank (13), an air removing device (54) arranged inside the forming drum (15), and a support structure (8) for receiving the cellulose blank (13) from said forming drum (15). The apparatus (100) is characterized in that the outer surface of the forming drum (15) comprises a first area having a first perforation density and a second area having a second perforation density that is less than said first perforation density for forming a continuous or discontinuous cellulose blank (13) having higher grammage at first locations originating from said first area than at second locations originating from said second area.
B27N 3/00 - Manufacture of substantially flat articles, e.g. boards, from particles or fibres
B27N 3/14 - Distributing or orienting the particles or fibres
B27N 3/18 - Auxiliary operations, e.g. preheating, humidifying, cutting-off
B27N 3/20 - Moulding or pressing characterised by using platen-presses
B27N 3/26 - Moulding or pressing characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum
The invention relates to an apparatus (100) and method for dry manufacturing rigid cellulose products having essentially non-flat general shape. The apparatus (100) comprises a disintegrating unit (3), a cellulose blank forming unit (30) and a product forming unit (40) for producing rigid cellulose products (14). The cellulose blank forming unit (30) comprising a dispenser for guiding a cellulose fibre carrying air flow from the disintegrating unit (3), a forming drum (15) having an outer surface comprising perforations, wherein the outer surface is configured for receiving cellulose fibres and for forming a cellulose blank (13), an air removing device (54) arranged inside the forming drum (15), and a support structure (8) for receiving the cellulose blank (13) from said forming drum (15). The apparatus (100) is characterized in that the outer surface of the forming drum (15) comprises a first area having a first perforation density and a second area having a second perforation density that is less than said first perforation density for forming a continuous or discontinuous cellulose blank (13) having higher grammage at first locations originating from said first area than at second locations originating from said second area.
B27N 3/14 - Distributing or orienting the particles or fibres
B27N 3/18 - Auxiliary operations, e.g. preheating, humidifying, cutting-off
B27N 3/20 - Moulding or pressing characterised by using platen-presses
B27N 3/26 - Moulding or pressing characterised by using continuously acting presses having a heated press drum and an endless belt to compress the material between belt and drum
The present invention relates to dry cellulose forming method for forming an essentially non-flat cellulose product (14) from cellulose fibres comprising the steps of: separating cellulose fibres from a dry cellulose material in at least one separating unit (3), providing the separated cellulose fibres onto a support structure (8) for forming a sheet of cellulose fibres, forming said essentially non flat cellulose product (14) by pressing said cellulose blank with a moulding tool (11) for forming said essentially non-flat cellulose product, wherein said method further comprising the step of imprinting said sheet of cellulose fibre by providing an imprinted pattern onto said sheet of cellulose fibre by at least one imprinting means (lOa-e) before forming said essentially non-flat cellulose product (14). The invention also relates to a dry cellulose forming apparatus (100) for manufacturing an essentially non-flat shaped cellulose product from cellulose fibres.
B65D 85/32 - Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for eggs
B27N 3/00 - Manufacture of substantially flat articles, e.g. boards, from particles or fibres
B27N 3/20 - Moulding or pressing characterised by using platen-presses
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Pulp processing machines; machines for carton-making; wrapping machines; carton folding machines; packaging machines; machines for manufacturing packaging materials of 3D formed cellulose-based packaging.
(2) Boxes of paper or cardboard; food wrappers made of cellulose pulp; packaging materials made of cellulose pulp; wrapping materials made of paper; packing [cushioning, stuffing] materials of paper or cardboard; cartons of cardboard for packaging; bags and articles for packaging, wrapping and storage of paper, cardboard or plastics; containers of card for packaging; industrial packaging containers of paper; packaging containers of regenerated cellulose; packaging materials made of cardboard; egg cartons of paper; airtight packaging of paper; airtight packaging of cardboard. (1) Industrial design; industrial research related to wrapping material, wrapping and packaging machines and apparatus as well as machines for manufacturing packaging materials of 3D formed cellulose-based packaging; design and development of wrapping material, wrapping and packaging machines and apparatus; quality control and verification services related to wrapping and packing; design and development of hardware and software within wrapping and packaging.
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
Pulp processing machines; machines for carton-making; wrapping machines; industrial carton folding machines; packaging machines; machines for manufacturing packaging materials Boxes of paper or cardboard; Food wrappers; Packaging materials of cardboard; Fiber paper; Absorbent pads of paper and cellulose for use in food packaging; Wrapping materials made of paper; Packing materials of paper or cardboard; Cartons of cardboard for packaging; Paper and plastic bags and articles for packaging, wrapping and storage of paper; containers of cardboard for packaging; Industrial packaging containers of paper; Sheets of regenerated cellulose for wrapping and packaging; Packaging materials made of cardboard; Egg cartons of paper; Airtight packaging boxes of paper; Airtight packaging boxes of cardboard Industrial design; industrial research in the field of paper, cardboard and cellulose fibre materials and packaging products, and packaging machines and apparatus; design and development of wrapping material, wrapping and packaging machines and apparatus; quality control and authentication services for others related to wrapping and packing; design and development of hardware and software for the wrapping and packaging industry
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Pulp processing machines; machines for carton-making; wrapping machines; carton folding machines; packaging machines; machines for manufacturing packaging materials of 3D formed cellulose-based packaging.
(2) Boxes of paper or cardboard; food wrappers made of cellulose pulp; packaging materials made of cellulose pulp; wrapping materials made of paper; packing [cushioning, stuffing] materials of paper or cardboard; cartons of cardboard for packaging; bags and articles for packaging, wrapping and storage of paper, cardboard or plastics; containers of card for packaging; industrial packaging containers of paper; packaging containers of regenerated cellulose; packaging materials made of cardboard; egg cartons of paper; airtight packaging of paper; airtight packaging of cardboard. (1) Industrial design; industrial research related to wrapping material, wrapping and packaging machines and apparatus as well as machines for manufacturing packaging materials of 3D formed cellulose-based packaging; design and development of wrapping material, wrapping and packaging machines and apparatus; quality control and verification services related to wrapping and packing; design and development of hardware and software within wrapping and packaging.
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
Pulp processing machines; Machines for carton-making; Wrapping machines; Industrial carton folding machines; Packaging machines; Machines for manufacturing packaging materials Boxes of paper or cardboard; Food wrappers; Packaging materials of cardboard; Fiber paper; Absorbent pads of paper and cellulose for use in food packaging; Wrapping materials made of paper; Packing materials of paper or cardboard; Cartons of cardboard for packaging; Paper and plastic bags and articles for packaging, wrapping and storage of paper; Containers of cardboard for packaging; Industrial packaging containers of paper; Sheets of regenerated cellulose for wrapping and packaging; Packaging materials made of cardboard; Egg cartons of paper; Airtight packaging boxes of paper; Airtight packaging boxes of cardboard Industrial design; Industrial research in the field of paper, cardboard and cellulose fibre materials and packaging products, and packaging machines and apparatus; Design and development of wrapping material, wrapping and packaging machines and apparatus; Quality control and authentication services for others related to wrapping and packing; Design and development of hardware and software for the wrapping and packaging industry
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
Pulp processing machines; Machines for carton-making; Wrapping machines; Carton folding machines; Packaging machines; Machines for manufacturing packaging materials. Boxes of paper or cardboard; Food wrappers; Packaging materials; Wrapping materials made of paper; Packing [cushioning, stuffing] materials of paper or cardboard; Cartons of cardboard for packaging; Bags and articles for packaging, wrapping and storage of paper, cardboard or plastics; Containers of card for packaging; Industrial packaging containers of paper; Packaging containers of regenerated cellulose; Packaging materials made of cardboard; Cartons for eggs; Airtight packaging of paper; Airtight packaging of cardboard. Industrial design; industrial research; design and development of wrapping material, wrapping and packaging machines and apparatus; quality control and verification services related to wrapping and packing; design and development of hardware and software within wrapping and packaging.
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
Goods & Services
Pulp processing machines; Machines for carton-making; Wrapping machines; Carton folding machines; Packaging machines; Machines for manufacturing packaging materials. Boxes of paper or cardboard; Food wrappers; Packaging materials; Wrapping materials made of paper; Packing [cushioning, stuffing] materials of paper or cardboard; Cartons of cardboard for packaging; Bags and articles for packaging, wrapping and storage of paper, cardboard or plastics; Containers of card for packaging; Industrial packaging containers of paper; Packaging containers of regenerated cellulose; Packaging materials made of cardboard; Cartons for eggs; Airtight packaging of paper; Airtight packaging of cardboard. Industrial design; industrial research; design and development of wrapping material, wrapping and packaging machines and apparatus; quality control and verification services related to wrapping and packing; design and development of hardware and software within wrapping and packaging.
16 - Paper, cardboard and goods made from these materials
Goods & Services
Pulp processing machines; Machines for carton-making; Wrapping machines; Carton folding machines; Packaging machines; Machines for manufacturing packaging materials. Boxes of paper or cardboard; Food wrappers; Packaging materials; Wrapping materials made of paper; Packing [cushioning, stuffing] materials of paper or cardboard; Cartons of cardboard for packaging; Bags and articles for packaging, wrapping and storage of paper, cardboard or plastics; Containers of card for packaging; Industrial packaging containers of paper; Packaging containers of regenerated cellulose; Packaging materials made of cardboard; Cartons for eggs; Airtight packaging of paper; Airtight packaging of cardboard.
