The invention relates to a tubular liner for the rehabilitation of an, in particular, underground sewer pipe, comprising at least an inner tubular film, a resin-carrier layer surrounding the inner tubular film, and comprising a mechanically protective outer film system. The outer film system comprises at least one outer film in the form of a UV-radiation- and short-wavelength, visible light-absorbing and/or -reflecting, single-layer or multi-layer film which contains, in one or more polymer layers, at least one short-wavelength, visible light-absorbing and/or—reflecting, organic or inorganic color pigment or a corresponding dye, and at least one organic or inorganic compound which absorbs and/or reflects the UV radiation. Moreover, the outer film system comprises at least one mechanically stable reinforcing web which rests on the aforementioned outer film. The outer film system has a transmittance for visible light at at least one wavelength in the range of 550 nm to 800 nm of at least 1%. The invention also relates to a method for manufacturing such an outer film system and to such an outer film system itself.
F16L 55/16 - Devices for covering leaks in pipes or hoses, e.g. hose-menders
F16L 55/165 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe being inserted in the damaged section
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
A novel lower tool enables a packaging machine having a molding station with a trough to be used to produce skin packaging having a flat base plate. The lower tool includes a body base and a flat upper surface and is arranged in the molding station of the packaging machine such that the flat upper surface of the lower tool covers the trough. The lower tool fits detachably into a lower tool holder of the packaging machine. During the packaging production, the flat upper surface supports the flat base plate of the packaging. Suction applied via a passage through the flat upper surface is used to hold the flat base plate onto the flat upper surface. The lower tool is a means for converting the packaging machine from producing a first type of packaging having a trough-shaped carrier into producing a second type of packaging that has a flat carrier.
B65B 7/16 - Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
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
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 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
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 31/04 - Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
3.
Tubular liner for the rehabilitation of a sewer pipe
The invention relates to a tubular liner for the rehabilitation of an, in particular, underground sewer pipe, comprising at least an inner tubular film, a resin-carrier layer surrounding the inner tubular film, and comprising a mechanically protective outer film system. The outer film system comprises at least one outer film in the form of a UV-radiation- and short-wavelength, visible light-absorbing and/or -reflecting, single-layer or multi-layer film which contains, in one or more polymer layers, at least one short-wavelength, visible light-absorbing and/or -reflecting, organic or inorganic color pigment or a corresponding dye, and at least one organic or inorganic compound which absorbs and/or reflects the UV radiation. Moreover, the outer film system comprises at least one mechanically stable reinforcing web which rests on the aforementioned outer film. The outer film system has a transmittance for visible light at at least one wavelength in the range of 550 nm to 800 nm of at least 1%. The invention also relates to a method for manufacturing such an outer film system and to such an outer film system itself.
F16L 55/16 - Devices for covering leaks in pipes or hoses, e.g. hose-menders
F16L 55/165 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe being inserted in the damaged section
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
A single or multilayered film is presented having at least one layer that contains at least one thermoplastic olefin homo or copolymer, modified if need be. The layer contains additionally, at least one polyester. Such film is used as a sliding film or preliner in trenchless pipe renovation using the tube lining technique in which the film is layed on the inner wall of an underground sewer pipe laid that will be renovated. An insertion pipe with a curable carrier material can be pulled in sliding fashion over the sliding film laid on the pipe.
C08G 79/08 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon a linkage containing boron
C08L 67/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
A tubular liner for sewer rehabilitation an inner tubular film; a resin-carrier layer surrounding the inner tubular film; and a mechanically protective outer film system surrounding the resin-carrier layer. The outer film system has an outer film extending in the longitudinal direction of the tubular liner. Longitudinal edges of the outer film are connected to each other in an overlapping manner in the circumferential direction of the tubular liner with connecting points. Upon the elongation in the radial direction during the insertion of the tubular liner, the connection points are elongated and may break in a sewer to be rehabilitated. The outer film features at least one layer made of a material that is mechanically very stable and is essentially not able to elongate, and at least one layer that is essentially impermeable for UV radiation and visible light.
F16L 55/16 - Devices for covering leaks in pipes or hoses, e.g. hose-menders
F16L 55/165 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe being inserted in the damaged section
B29C 63/06 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/22 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/14 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 25/10 - Layered products essentially comprising natural or synthetic rubber next to a fibrous or filamentary layer
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
The invention relates to a polymer multi-layered film with at least one polyamide layer and at least one additional layer made from another polymer material, said multi-layered film having high elasticity and good extensibility.
F16L 55/165 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe being inserted in the damaged section
F16L 55/162 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/04 - Layered products essentially comprising synthetic resin as impregnant, bonding, or embedding substance
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
A multi-layered film in the form of a hose-shaped outer film for an insert hose of a pipe rehabilitation system includes silver-colored pigments in at least two layers of the film, or a metallization applied on both outer layers of the film, or silver-colored pigments in at least one layer of the film and a metallization is applied on an outer layer of the film. At least one UV absorber is inserted in at least one or several layers of the film of the film. The entire film is permeable to UV light and visible light in a wavelength range from 200 to 800 nm at a rate of less than 0.1%, and is opaque. The UV radiation and visible radiation are reflected in a wavelength range from 200 to 800 nm.
B32B 15/00 - Layered products essentially comprising metal
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
The invention refers to a method for laminating a tubular film (1) preferably manufactured by means of blown film (co-) extrusion with a material capable of absorbing resin or liquids, wherein the tubular film (1) is laminated over its entire perimeter with several layers (10, 11, 12, 13; 20, 21, 22; 30, 31) overlapping or positioned directly opposite one another on their front sides containing material capable of absorbing resin or liquids, so that essentially there are no areas left along the perimeter of the tubular film (1) not covered by the laminated layers (10, 11, 12, 13; 20, 21, 22; 30, 31). The invention also refers to a tubular film laminated in such a way and to various applications.
B29C 63/06 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles
B32B 37/14 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics
E03F 3/06 - Methods of, or installations for, laying sewer pipes
B32B 37/16 - 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
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
B29C 53/10 - Bending or folding of blown tubular films, e.g. gusseting
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
A tubular film with one or more layers is provided, wherein at least one of the two external sides of the tubular film has a coating at least in sections with at least one polysiloxane and/or a coating and/or covering with at least one migrating compound.
A multilayer film that is impermeable to liquids and is to some extent permeable to UV radiation, optionally in the form of a tubular film, having a layer sequence of a layer (a) comprising at least one thermoplastic olefin homo- or copolymer, as one of the external layers, an adhesive-promoter layer (b), an internal layer (c) comprising at least one homo- and/or copolyamide, an adhesive-promoter layer (d), and a layer (e) comprising at least one homo- and/or copolyamide, as one of the external layers, wherein the VICAT softening point of the thermoplastic olefin homo- or copolymer of the layer (a) is at least 100° C., and the use of said multilayer film as internally situated tube of an insertion tube for the renovation of subterranean pipes, an insertion tube of this type, and a pipe-renovation system suitable for the renovation of subterranean pipes.
A contact transparent single layer or multilayer film absorbing and/or reflecting UV radiation and short-wavelength visible light is disclosed. The film comprises at least one layer based on at least one optionally modified thermoplastic olefin homo- or co-polymer, comprising a combination of at least one organic or inorganic colored pigment or dye absorbing and/or reflecting short-wavelength visible light, and of at least one organic or inorganic compound absorbing and/or reflecting the UV radiation. The film disclosed herein can be used as a protective film against the effects of UV radiation and short-wavelength visible light, and a sewer cleaning system comprising said multilayer film as an external hose film and an inner, multilayer plastic film, and an impregnated UV-curable carrier material present between the two hose films.
The present invention relates to an at least contact transparent single layer or multilayer film absorbing and/or reflecting UV radiation and short-wavelength visible light, comprising at least one layer based on at least one optionally modified thermoplastic olefin homo- or co-polymer, comprising a combination of at least one organic or inorganic colored pigment or dye absorbing and/or reflecting short-wavelength visible light, and of at least one organic or inorganic compound absorbing and/or reflecting the UV radiation, and to the use of said film as a protective film against the effects of UV radiation and short-wavelength visible light, and a sewer cleaning system comprising said multilayer film as an external hose film and an inner, multilayer plastic film, and an impregnated UV-curable carrier material present between the two hose films.
patents
