The invention relates to a method for top sealing a cardboard tray lined with a plastic foil. The method includes the steps of providing a cardboard tray having a bottom, upstanding walls arranged along the periphery of the bottom and a horizontal flange arranged along the upper edges of the upstanding walls, wherein the inside of the cardboard tray is lined with a plast foil, which plastic foil extends at least onto the horizontal flange; arranging the cardboard tray in a lower sealing tool member having a compressible support edge, wherein at least the horizontal flange is supported by the compressible support edge of the lower sealing tool member; arranging a cover foil over the cardboard tray arranged in the lower sealing tool member to cover the opening of the tray defined by the upper edges of the upstanding walls; and pressing a heated upper sealing tool member onto the lower sealing tool member, wherein the cover foil, the plastic foil liner and the horizontal flange are pressed together to seal the cover foil onto the plastic foil liner along the horizontal flange. The overlapping area of the plastic foil liner, the cover foil, and the compressible support edge extends at least partially outside of the area of the horizontal flange.
B65B 7/28 - Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
B65B 51/14 - Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
B65B 43/26 - Opening or distending bagsOpening, erecting, or setting-up boxes, cartons, or carton blanks
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B65D 5/20 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
2.
METHOD FOR TOP SEALING A CARDBOARD TRAY LINED WITH A PLASTIC FOIL AND CARDBOARD TRAY THEREFOR
A method for top sealing a cardboard tray lined with a plastic foil is disclosed, which method comprises the steps of: - providing a cardboard tray having a bottom, upstanding walls arranged along the periphery of the bottom and a horizontal flange arranged along the upper edges of the upstanding walls, wherein the inside of the cardboard tray is lined with a plastic foil, which plastic foil extends at least onto the horizontal flange; - arranging the cardboard tray in a lower sealing tool member having a compressible support edge, wherein at least the horizontal flange is supported by the compressible support edge of the lower sealing tool member; - arranging a cover foil over the cardboard tray arranged in the lower sealing tool member to cover the opening of the tray defined by the upper edges of the upstanding walls; - pressing a heated upper sealing tool member onto the lower sealing tool member, wherein the cover foil, the plastic foil liner and the horizontal flange are pressed together to seal the cover foil onto the plastic foil liner along the horizontal flange wherein, in view of the pressing direction, the overlapping area of the plastic foil liner, the cover foil and the compressible support edge extends at least partially outside of the area of the horizontal flange.
B31B 50/00 - Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B 50/64 - Uniting opposed surfaces or edgesTaping by applying heat or pressure, e.g. by welding
B65B 7/28 - Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
B65D 5/20 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B65B 31/02 - Filling, closing, or filling and closing, containers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
B65B 43/26 - Opening or distending bagsOpening, erecting, or setting-up boxes, cartons, or carton blanks
3.
METHOD FOR TOP SEALING A CARDBOARD TRAY LINED WITH A PLASTIC FOIL AND CARDBOARD TRAY THEREFOR
A method for top sealing a cardboard tray lined with a plastic foil is disclosed, which method comprises the steps of: • - providing a cardboard tray having a bottom, upstanding walls arranged along the periphery of the bottom and a horizontal flange arranged along the upper edges of the upstanding walls, wherein the inside of the cardboard tray is lined with a plastic foil, which plastic foil extends at least onto the horizontal flange; • - arranging the cardboard tray in a lower sealing tool member having a compressible support edge, wherein at least the horizontal flange is supported by the compressible support edge of the lower sealing tool member; • - arranging a cover foil over the cardboard tray arranged in the lower sealing tool member to cover the opening of the tray defined by the upper edges of the upstanding walls; • - pressing a heated upper sealing tool member onto the lower sealing tool member, wherein the cover foil, the plastic foil liner and the horizontal flange are pressed together to seal the cover foil onto the plastic foil liner along the horizontal flange wherein, in view of the pressing direction, the overlapping area of the plastic foil liner, the cover foil and the compressible support edge extends at least partially outside of the area of the horizontal flange.
B65B 7/28 - Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B31B 50/00 - Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B 50/64 - Uniting opposed surfaces or edgesTaping by applying heat or pressure, e.g. by welding
B65D 5/20 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
B65B 31/02 - Filling, closing, or filling and closing, containers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
B65B 43/26 - Opening or distending bagsOpening, erecting, or setting-up boxes, cartons, or carton blanks
B31B 100/00 - Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
B31B 110/10 - Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
B31B 120/10 - Construction of rigid or semi-rigid containers provided with covers, e.g. lids
4.
Clamshell packaging for airtight packaging of foodstuff
A clamshell packaging for airtight packaging of foodstuff includes a tray folded out of a single sheet. The tray has at least two adjacent pool parts, each pool part having a bottom wall and upstanding walls arranged around the circumferential edge of the bottom wall. The adjacent pool parts are hingedly connected to each other along an upper edge of a respective upstanding wall, so the adjacent pool parts can be hinged on top of each other to form a closed box. A circumferential, horizontal flange is arranged to the tray to at least some upper edges of the upstanding walls. A plastic barrier foil is arranged in the pool parts and extends onto and substantially covers the flange. The flange includes a seal zone extending along the length of the flange. The seal zone is line symmetrical along the hinge line at the upper edge of the connected walls.
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
B31B 50/64 - Uniting opposed surfaces or edgesTaping by applying heat or pressure, e.g. by welding
B31B 50/59 - Shaping sheet material under pressure
A packaging for modified atmosphere packaging includes a flangeless cardboard tray having a bottom and an upstanding peripheral wall. A plastic flange is arranged on top of the edge of the peripheral wall. The plastic flange has in cross-section a first part extending horizontally, substantially parallel to the bottom of the tray, a second part depending from the first part downward along the outside of the peripheral wall and a third part depending from the first part, opposite of the second part, along the inside of the peripheral wall. A plastic barrier foil is adhered to and lines the inside of the cardboard tray and extends over the plastic flange to fix the plastic flange onto the flangeless cardboard tray.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 39/02 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor for making articles of definite length, i.e. discrete articles
B29C 45/16 - Making multilayered or multicoloured articles
6.
CLAMSHELL PACKAGING FOR AIRTIGHT PACKAGING OF FOODSTUFF
A clamshell packaging includes: a tray folded out of a single sheet of material, with at least two adjacent pool parts that are hingedly connected to each other along an upper edge of a respective upstanding wall of the upstanding walls. A plastic barrier foil is arranged in the pool parts and extends onto and covering a circumferential horizontal flange. The circumferential horizontal flange is composed out of a number of abutting flange parts. Each flange part is connected to a respective upper edge of one of the upstanding walls. Each of the transitions of two abutting edges of the flange parts are positioned line asymmetrically along a hinge line, such that none of the transitions overlap with each other when the at least two adjacent pool parts are hinged on top of each other.
B31B 50/59 - Shaping sheet material under pressure
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
7.
CLAMSHELL PACKAGING FOR AIRTIGHT PACKAGING OF FOODSTUFF
The invention relates to a clamshell packaging for airtight packaging of foodstuff, which packaging comprises: - a tray folded out of a single sheet of material, preferably cardboard, which tray has at least two adjacent pool parts, each pool part having a bottom wall and upstanding walls arranged around the circumferential edge of the bottom wall, wherein the at least two adjacent pool parts are hingedly connected to each other along an upper edge of a respective upstanding wall, such that the at least two adjacent pool parts can be hinged on top of each other to form a closed box, - a circumferential, horizontal flange arranged to the tray to at least some of the upper edges of the upstanding walls, and - a plastic barrier foil arranged in the pool parts and extending onto and substantially covering the circumferential, horizontal flange wherein the circumferential, horizontal flange comprises a seal zone extending along the full length of the flange, wherein the seal zone is line symmetrical along the hinge line at the upper edge of the connected walls.
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
B31B 50/59 - Shaping sheet material under pressure
A method for manufacturing an object, such as a tray includes providing an unfolded sheet; providing a straight score line in the unfolded sheet for providing a division between a wall part and a flange part; folding the flange part of the sheet relative to the wall part along the score line to provide an angle larger than 45° between the flange part and the wall part; providing a plastic foil; heating the plastic foil; pressing the heated foil on the sheet at the side provided with the score line and covering at least part of the wall part and the flange part; the sheet having at least one U-shaped cut interrupting the score line. The free ends of the U-shaped cut are positioned on the score line. The bridging part of the U-shaped cut is positioned in the flange part.
Packaging (1) for modified atmosphere packaging, comprising: a flangeless cardboard tray having a bottom (2) and an upstanding peripheral wall (3); a plastic flange (4, 5, 6) arranged on top of the edge of the peripheral wall (3), which plastic flange (4, 5, 6) has in cross-section a first part (4) extending horizontally, substantially parallel to the bottom (2) of the tray, a second part (5) depending from the first part (4) downward along the outside of the peripheral wall and a third part (6) depending from the first part (4), opposite of the second part (5), along the inside of the peripheral wall (3); a plastic barrier foil (9) adhered to and lining the inside of the cardboard tray and extending over the plastic flange (4, 5, 6) to fix the plastic flange onto the flangeless cardboard tray.
B65D 8/00 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
B29C 65/00 - Joining of preformed partsApparatus therefor
Method for manufacturing an object, such as a tray, comprising the steps of: - providing an unfolded sheet (1); - providing a straight score line (2) in the unfolded sheet for providing a division between a wall part (4) and a flange part (3); - folding the flange part of the sheet relative to the wall part along the score line to provide an angle larger than 45° between the flange part and the wall part; - providing a plastic foil (9); - heating the plastic foil; - pressing the heated foil on the sheet at the side provided with the score line and covering at least part of the wall part and the flange part; - the sheet having at least one U-shaped cut (5) interrupting the score line, wherein the free ends of the U-shaped cut are positioned on the score line and wherein the bridging part of the U-shaped cut is positioned in the flange part. Packaging manufactured with the above method.
Method for manufacturing an object, such as a tray, comprising the steps of: - providing an unfolded sheet (1); - providing a straight score line (2) in the unfolded sheet for providing a division between a wall part (4) and a flange part (3); - folding the flange part of the sheet relative to the wall part along the score line to provide an angle larger than 45° between the flange part and the wall part; - providing a plastic foil (9); - heating the plastic foil; - pressing the heated foil on the sheet at the side provided with the score line and covering at least part of the wall part and the flange part; - the sheet having at least one U-shaped cut (5) interrupting the score line, wherein the free ends of the U-shaped cut are positioned on the score line and wherein the bridging part of the U-shaped cut is positioned in the flange part. Packaging manufactured with the above method.
Method for arranging a foil in a tray, comprising: providing a tray (1) having a bottom, an upright wall, a tray opening and a circumferential outwardly extending flange composed out of at least two abutting portions; providing a foil (7) having at least dimensions corresponding with the outer dimensions of the flange; heating a central zone (15) of the foil; urging the heated central zone of the foil against the bottom, the upright wall and at least partially over the flange, wherein the edge of the heated central zone runs over the interfaces of abutting portions. Intermediate product with a foil lying loose over a flange of the tray. Device comprising a mold (5) for receiving a tray (1), means for arranging a foil (7) over the mold, heating means comprising a plate which is arranged over the mold for heating the foil and means for urging the foil in the mold.
B65B 7/28 - Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
B31B 1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
B65D 77/20 - Container closures formed after filling by applying separate lids or covers
B65D 5/20 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
B65B 11/52 - Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-packaging
B65B 31/02 - Filling, closing, or filling and closing, containers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
B65B 9/04 - Enclosing successive articles, or quantities of material, between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
B32B 37/06 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure
B32B 37/18 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
B32B 38/00 - Ancillary operations in connection with laminating processes
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
Goods & Services
Packaging and packaging material of paper and cardboard. Packing materials of rubber or plastics and bags [envelopes,
pouches] of rubber, for packaging. Packing materials, not of rubber, plastics, paper or
cardboard and bags [envelopes, pouches] of textile, for
packaging.
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
Goods & Services
Packaging and packaging material of paper and cardboard [ Packing materials of rubber or plastics; bags in the nature of envelopes and pouches of rubber for packaging ] [ Packing materials, not of rubber, plastics, paper or cardboard; bags in the nature of envelopes and pouches of textile for packaging ]
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
Goods & Services
Packaging and packaging material of paper and cardboard. Packing material and packaging of rubber or plastic. Packing material and packaging, not of rubber, not of plastic.
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
22 - Rope, netting, tents, awnings, sails and sacks; padding and stuffing materials
Goods & Services
Packaging and packaging material of paper and cardboard. Packing material and packaging of rubber or plastic. Packing material and packaging, not of rubber, not of plastic.
Method for arranging a foil in a tray, comprising: providing a tray (1) having a bottom, an upright wall, a tray opening and a circumferential outwardly extending flange composed out of at least two abutting portions; providing a foil (7) having at least dimensions corresponding with the outer dimensions of the flange; heating a central zone (15) of the foil; urging the heated central zone of the foil against the bottom, the upright wall and at least partially over the flange, wherein the edge of the heated central zone runs over the interfaces of abutting portions. Intermediate product with a foil lying loose over a flange of the tray. Device comprising a mould (5) for receiving a tray (1), means for arranging a foil (7) over the mould, heating means comprising a plate which is arranged over the mould for heating the foil and means for urging the foil in the mould.
B31B 1/00 - Box, carton, envelope or bag making machinery characterised by performing specific operations
B31B 7/60 - Machinery characterised by making lined or internally-reinforced boxes or cartons and having means for uniting opposed surfaces or edges, or for taping
Method for arranging a foil in a tray, comprising: providing a tray (1) having a bottom, an upright wall, a tray opening and a circumferential outwardly extending flange composed out of at least two abutting portions; providing a foil (7) having at least dimensions corresponding with the outer dimensions of the flange; heating a central zone (15) of the foil; urging the heated central zone of the foil against the bottom, the upright wall and at least partially over the flange, wherein the edge of the heated central zone runs over the interfaces of abutting portions. Intermediate product with a foil lying loose over a flange of the tray. Device comprising a mould (5) for receiving a tray (1), means for arranging a foil (7) over the mould, heating means comprising a plate which is arranged over the mould for heating the foil and means for urging the foil in the mould.
The invention relates to a method for providing a packaging for modified atmosphere packaging, which method comprises the steps of: providing an unfolded sheet for folding a box; folding the unfolded sheet to a box having at least an access opening and flange parts bordering the access opening, which flange parts compose an endless circumferential flange; providing a plastic foil; heating the plastic foil; pressing the heated plastic foil against the inner wall of the box and covering the circumferential flange, such that the plastic foil is laminated to box. The invention further relates to a packaging.
The invention relates to a method for providing a packaging for modified atmosphere packaging, which method comprises the steps of: providing an unfolded sheet for folding a box; folding the unfolded sheet to a box having at least an access opening and flange parts bordering the access opening, which flange parts compose an endless circumferential flange; providing a plastic foil; heating the plastic foil; pressing the heated plastic foil against the inner wall of the box and covering the circumferential flange, such that the plastic foil is laminated to box. The invention further relates to a packaging.
The invention relates to a method for providing a packaging for modified atmosphere packaging, which method comprises the steps of: providing an unfolded sheet for folding a box; folding the unfolded sheet to a box having at least an access opening and flange parts bordering the access opening, which flange parts compose an endless circumferential flange; providing a plastic foil; heating the plastic foil; pressing the heated plastic foil against the inner wall of the box and covering the circumferential flange, such that the plastic foil is laminated to the box. The invention further relates to a packaging.
