CA1050406A - Laminate and a method for manufacturing the same - Google Patents

Laminate and a method for manufacturing the same

Info

Publication number
CA1050406A
CA1050406A CA215,464A CA215464A CA1050406A CA 1050406 A CA1050406 A CA 1050406A CA 215464 A CA215464 A CA 215464A CA 1050406 A CA1050406 A CA 1050406A
Authority
CA
Canada
Prior art keywords
thermofusible
layer
sheet
breathable
laminate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA215,464A
Other languages
French (fr)
Other versions
CA215464S (en
Inventor
Yoshio Oguma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
France Bed Co Ltd
Original Assignee
France Bed Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by France Bed Co Ltd filed Critical France Bed Co Ltd
Application granted granted Critical
Publication of CA1050406A publication Critical patent/CA1050406A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H5/00—Seaming textile materials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/02—Producing multi-layer textile fabrics by applying cellulose derivatives as adhesives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • D06M17/06—Polymers of vinyl compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • D06M17/08—Polyamides polyimides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • D06M17/10—Polyurethanes polyurea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4865—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives
    • B29C65/487—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their shape, e.g. being fibres or being spherical
    • B29C65/488—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their shape, e.g. being fibres or being spherical being longitudinal, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2313/00—Use of textile products or fabrics as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption

Abstract

Abstract of the Disclosure This invention relates to a method for manufacturing a breathable laminate, such as a mattress cover, comprising thermofusible and non-thermofusible layers in any combination, said method comprising the steps of continuously feeding a thermofusible sheet into contact with one surface of a composite layer consisting, in a prescribed combination, of at least one breathable thermofusible layer and at least one breathable non-thermofusible surface layer, said thermofusible sheeting being in direct contact with said non-thermofusible layer, contacting said thermofusible sheet and said combination of layers with a plurality of spaced projections provided on a roller, and locally compressing said composite layer and thermofusible sheet by means of said projections for a pre-determined length of time in a direction of the thickness thereof to cause the thermofusible layer and thermofusible sheet to be fused at spaced locations and impregnated into the non-thermo-fusible layer from both the surfaces thereof to permit the former to be bonded to the latter, and removing the thermofusible sheet from the composite layer in a manner that the bonded portion of the sheet is torn apart from the thermofusible sheet.

Description

This invention relates to a breathable or permeable laminate comprising thermofusible and non-thermofusible layers bonded in places and a method for manufacturing the same.
A breathable laminate comprising theremofusible and non-thermofusible layers in any combination is employed as a mattress cover etc. Such a laminate is manufactured by, for -example, the following methods:
(l) a stitching method,
(2) a method for thermally compressing in places thermofusible and non-thermofusible layers with a hot-melt type fiber-like or film-like adhesive sandwiched therebetween, and
(3) a method for disposing an adhesive between thermofusible and non-thermofusible layers and thermally bonding -them together.
The ~aminate of method (l) exhibits good breathability.
However, this method requires much time and breakage of threads is liXely to occur. In method (2), although the adheæive is . . .
disposed all over between the non-thermofusible and thermofusible layers and a strong bonding is obtained, the laminate is insani-, tary due to the absence of breathability. Moreover, since some amount~of adhesive is left unused, this method is very unecono-mical. In method (3), the fused portion of the thermofusible layer is bonded to the corresponding fiber portion of the non-th-rmofusible layer. In this case, no problem arises as to breathability, but ~ufficient bonding cannot be achieved.
It is the object of this invention to provide a breathable laminate co~prising thermofusible and non-thermo-fusib1e layers ln any combination and exhibiting a very strong bonding, and to provide a method for manufacturing the same . ~ .. . . , . . . . . , .. . . . . . --` ~050406 easily and efficiently. In one aspect of this invention a breathable laminate comprises thermofusible and non-thermofusible layers in any combination which are intimately bonded in places, said laminate being characterized in that said bonded portion is compressed in such a manner that the thermofusible layer and another thermofusible material are impregnated into the non-thermofusible layer from both the surfaces thereof.
In another aspect of this invention there i5 provided a method for manufacturing a breathable laminate comprising thermofusible and non-thermofusible layers in any combination, qaid method comprising the steps of disposing a thermofusible sheet on one surface of the non-thermofusible layer while forming on the other surface of the non-thermofusible layer a composite layer consisting of at least one thermofusible layer and at least one non-thermofusible layer in any combination; locally com-pre~sing the composite layer and thermofusible sheet for a predetermined length of time to cause the thermofusible layer and thermofusible sheet to be fused and impregnated into the non-thermofusible layer from both the surfaces thereof to permit 20 the former to be bonded to the latter; and removing the thermo-fusible sheet from the composite layer in a manner that the J bonded portion of the sheet is torn apart from the thermofusible sheet.
This invention will be described with reference to the accompanying drawings in which ~ ig. 1 is a cross-sectional view showing a composite . .
layer con~isting of a thermofusible layer and a non-thermofusible layer;
Fig. 2 is a diagrammatic view showing one mode of this .- .
~ , ., -- -- ; , . . , ~ . - ............................ :
; . . : ~ . . ~ . ., ., - , :

invention:
Fig~ 3 shows the bonded portion of a laminate according to this invention, Fig. 4 is a cross-sectional view taken along line IV-IV
of Fig. 3; and Fig. 5 is a plan view showing one embodLment of this invention.
In the specification, "a non-thermofusibla layer" is intended to mean a material which is non-thermofusible or is regarded as unsuitable for subjection to a normal thermal fusion treatment and includes a fiber material such as a woven fabric, a non-woven fabric, a lace, a cotton cloth and the like, a foamed mass and so on. By way of example, it includes a natural fiber, a synthetic fiber including a glass fiber, and a blend of the natural fiber and synthetic fiber. "A thermofusible layer" ~-is intended to mean any material which is regarded as suitable ~or subjection to a normal thermal fusion treatment and includes any fiber material such as a woven fiber, a non-woven fiber, a lace, a cotton cloth and the like, or a foamed mass. By way of example, it includes a thermoplastic synthetic resin fiber such a~ nylon, polyacryl, polyester and polypropylene; a synthetic resin fiber somewhat blended with a natural fiber; and a thermo-plastic resin foamed mass such as a urethane foam, vinyl chloride foam etc. -~ ~.
Any combination of the non-thermofusible layer and thermofusible layer may be arbitrarily selected. If, however, at least one of non-thermofusible layers is disposed at least on the outer surface of a laminate, the advantage of this invention i9 obtained. With the thermofusible layer and non-thermofusible layer represented by A and B, respectively, a variety of combinations can be considered such as, for example, A-B, A-B-A, A-Bl-B2, A-Bl-B2-A, A-B-A-B, A-Bl-B2-B3, A-B-A-B~A etc.
in which Bl, B2, B3 indicate different forms such as a cotton-like form, foam-like form, c~oth-like form etc~
The method for preparing such laminates will be explained below.
A pair of thermofusible sheets C are disposed one on each outer surface of, for example, the above-mentioned composite layer A -B-A . Then, the resultant composite layer , C-A-B-A-C is compressed in places (in a dot-like fashion or in a linear fashion) from both the ends thereof for a predetermined length of time to cau~e the thermofusible sheet C and thermo-fusible layer A to be fused to permit them to be impregnated into the non-thermofusible layer B from both the surfaces thereof.
As a result, the thermo~usible sheet and layer arè intimately bonded to the non-thermofusible layer B to constitute a laminate.
As means for fusing the thermofusible sheet and thermofusible layer, conventional means such as, for example, an ultrasonic ~wave, high freguency, heating etc. may be selectively adopted.
After bonding is effected, the thermofu8ib1e sheet C is removed ~from the non-thermofusible layer. Since, in this case, the fused portions of the thermofusible sheet are intimately bonded to the , ~ ~ ., , ~ non-thermofusible layer, the removed sheet is torn in places (in , ~
; a dot-like fashion or in a linear fashion). The used sheet can :. .
; be used several times by shifting it little by little so that the non-torn portions of the sheet can be used. As a material for the~thermofusiblè sheet, a thermoplastic synthetic resin may be used.~ It is, however, preferred that use be made of a material
- 4 -~: ~

compatible with the non-thermofusible layer.
There will now be explained the manufacture of a mattress cover by reference to the drawings.
In Fig. 1, a reference numeral 1 is a composite layer consisting of a thermofusible layer 2 of a polypropylene fiber cotton and a non-thermofusible layer 3 of a rayon cloth. The composite layer 1 is fed to an ultrasonic wave application device so as to effect bonding. The ultrasonic wave application device as diagrammatically shown in Fig. 2 comprises a drive horn 4, a roller type anvil 5 opposite to the drive horn, and take-up and supply rolls 6 and 7 provided one at each side of the anvil 5.
A plurality of projections are mounted upright on the peripheral surface of the anvil 5. The drive horn 4 is adapted to move, during the rotation of the anvil, into close proximity to the projection of the anvil. The projections 8 may be suitably arranged on the outer periphery of the anvil, for example, in a spiral or parallel fashion. During the feeding of the composite layer toward the ultrasonic wave application device, a polypropy- ;
lene sheet as a thermofus~ble sheet 9 is fed substantially along -~
~20 the thermofusible layer 3 from the supply roll 7 toward the take-up roll 6. The composite layer 1 and thermofusible sheet 9 are compressed between the drive horn 4 and the projection 8, while being subjected to vibration by ultrasonic waves, to cause the thermo~usible layer 2 and thermofus~ble sheet 9 to be fused to permit them to be impregnated into each surface of the non-thermofusible layer 3~ At this time, a fused portion 10 of the non-thermo~usible lay~r 3 has its fibers collapsed flat as shown in~Fig. 4, while the space of each fiber is pushed open, as shown in: Fig. 3, by the vibration due to the ultrasonic waves to permit ..
~ . ' ., . . . , . . . : ! ' ' ' .. .

-` :1050406 the thermofusible sheet 9 and the thermofusible layer 2 to be fused together. With the continued rotation of the anvil 5 the sheet 9 is peeled off the composite layer l in a manner that that portion of the sheet corresponding to the fused portion lO
is torn apart from the sheet. At the same time the fused portion 10 of the composite layer 1 is cooled and solidified. Though the sheet 9 so wound around the take-up roll 6 is torn in pla~es, ~`
the sheet 9 can be used several times by shifting it as mentioned -above.
The synthetic fiber cotton 2 and thermofusible sheet 9 are intimately bonded at their fused portion to the non~
thermofusible layer 3, and the portion lO of the non-thermofusible layer is æandwi~hed between the fused portion of the synthetic iber cotton 2 and the fused portion of the thermofusible sheet 9 as shown in Fig. 4.
In consequence, the thermousible layer 2 is not easily separated rom the non-thermofusible layer 3. The laminate is clearly contoured at the bonded portions lO to provide a beautiful quilting effect. If a colored sheet is used, a beautiful ~ -.
20 ~ app~arance can be imparted to the laminate. Fig. 5 shows one examp1e of a dot patterned laminate according to thiæ invention.
Any pattern may be 8elected as reguired.
Since the laminate according to this invention has the non-thermofusib1e layer 3 intimately bonded between the thermo-: . -; fus~ible laye~8,greater bonding strength is obtained. Furthermore, a~non-breathable or non-permeable portion such as the bonded portio~10 is~restricted ~and, therefore, a eu~ficie~t breath-ability~Qr permeability can be provided to the laminate. A
beautiful outer appearance is also obtained.

~ : ~
~ - 6 - -;/ ~` ~ ' ' ~ : .

- ; , , ~ .,: . . . : . , . .... ... - ~

The method according to this invention can obviate the step of imparting an adhesive to the composite layer with the result that an adhesive medium exists only on that portion to be bonded.~Also since the sheet 9 can be repeatedly used as mentioned above, the bonding medium can be saved.
Although explanation has been made of the bonding between the non-thermofusible layer and the thermofusible layer, this invention can also be applied to the bonding between the thermofusible layers. Where, for example, the thermofusible layers are different in nature from each other, it is qaid that no sufficient bonding can be attained. According to this inve~tion, however, ~trong bonding can be achieved.

..

.

~ - .
: . :

, ,~ .~ , . . .

' ''"~'' ~ ~ ' ~ _ 7 _ ,~ - ~ : ::
~ .

: : ;, . ~ . .-: :, . ;~ , ., . . - -

Claims (5)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE PROPERTY OR
PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A method for manufacturing a breathable laminate comprising thermofusible and non-thermofusible layers in any combination, said method comprising the steps of continuously feeding a thermofusible sheet into contact with one surface of a composite layer consisting, in a prescribed combination, of at least one breathable thermofusible layer and at least one breathable non-thermofusible surface layer, said thermofusible sheeting being in direct contact with said non-thermofusible layer, contacting said thermofusible sheet and said combination of layers with a plurality of spaced projections provided on a roller, and locally compressing said composite layer and thermo-fusible sheet by means of said projections for a predetermined length of time in a direction of the thickness thereof to cause the thermo-fusible layer and thermofusible sheet to be fused at spaced locations and impregnated into the non-thermofusible layer from both the sur-faces thereof to permit the former to be bonded to the latter, and removing the thermofusible sheet from the composite layer in a manner that the bonded portion of the sheet is torn apart from the thermo-fusible sheet.
2. The method according to claim 1 wherein said compression bonding is effected by an ultrasonic wave heating.
3. The method of claim 1 wherein said thermofusible sheet is shifted little by little to sequentially bond subsequent sections of laminate.
4. The method of claim 1 wherein said thermofusible sheet is colored distinct from said laminate thereby providing an attractive appearance of dot patterns.
5. A breathable laminate prepared according to Claim 1, comprising at least one breathable thermofusible layer and at least one breathable non-thermofusible layer, said layers being bonded together at spaced locations by impregnation of said non-thermo-fusible layer with material from said thermofusible layer and with material from said thermofusible sheet remaining after removal of the latter.
CA215,464A 1973-12-08 1974-12-05 Laminate and a method for manufacturing the same Expired CA1050406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13705473A JPS5424506B2 (en) 1973-12-08 1973-12-08

Publications (1)

Publication Number Publication Date
CA1050406A true CA1050406A (en) 1979-03-13

Family

ID=15189790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215,464A Expired CA1050406A (en) 1973-12-08 1974-12-05 Laminate and a method for manufacturing the same

Country Status (7)

Country Link
JP (1) JPS5424506B2 (en)
CA (1) CA1050406A (en)
FR (1) FR2253620B1 (en)
GB (1) GB1459106A (en)
IT (1) IT1024342B (en)
PH (1) PH13157A (en)
ZA (1) ZA747761B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344253A1 (en) * 1976-03-19 1977-10-14 Fiberwoven Corp Electric blanket fabric of needle bonded nonwovens - with spot weld patterns formed sonically or supersonically
JPS584936Y2 (en) * 1978-02-23 1983-01-27 ユニチカ株式会社 Composite spinning spindle device
SE412204B (en) * 1978-05-02 1980-02-25 Tetra Pak Int SET AND DEVICE FOR SEALING A TIP CREAM OVER A PACKAGING PACKAGE
JPS58157627U (en) * 1982-04-15 1983-10-21 堀庭　昌一 layered blanket
JPS5981133A (en) * 1982-10-25 1984-05-10 Tomohiro Nakada Chemical fiber product laminated by ultrasonic wave
GB2142574B (en) * 1983-07-04 1987-01-21 Tachikawa Spring Co Laminated door panel
GB2161115B (en) * 1984-07-06 1988-08-03 Tachikawa Spring Co Method of making a cushion body of synthetic resin
JPH0354156Y2 (en) * 1985-11-14 1991-11-28
US4686136A (en) * 1985-11-18 1987-08-11 Allied Corporation Laminated fabrics and fiber mats and method for their manufacture
KR100336430B1 (en) * 1997-11-21 2002-11-22 정지수 3-layer textile sheet for garment and its preparing process
EP1666241A2 (en) * 1998-08-10 2006-06-07 Hunt Technology Limited Improvements relating to methods of thermal lamination
WO2005035864A1 (en) * 2003-10-16 2005-04-21 Groep Masureel Veredeling Coating process and coated product

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4120612Y1 (en) * 1964-08-27 1966-10-05

Also Published As

Publication number Publication date
FR2253620A1 (en) 1975-07-04
AU7605674A (en) 1976-06-10
IT1024342B (en) 1978-06-20
JPS5424506B2 (en) 1979-08-21
JPS5088379A (en) 1975-07-16
ZA747761B (en) 1975-12-31
FR2253620B1 (en) 1978-12-01
DE2458102B2 (en) 1977-03-10
GB1459106A (en) 1976-12-22
PH13157A (en) 1980-01-08
DE2458102A1 (en) 1975-06-19

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