CA2115997A1 - Thermoformable composite sheet - Google Patents

Thermoformable composite sheet

Info

Publication number
CA2115997A1
CA2115997A1 CA002115997A CA2115997A CA2115997A1 CA 2115997 A1 CA2115997 A1 CA 2115997A1 CA 002115997 A CA002115997 A CA 002115997A CA 2115997 A CA2115997 A CA 2115997A CA 2115997 A1 CA2115997 A1 CA 2115997A1
Authority
CA
Canada
Prior art keywords
composite sheet
thermoformable composite
attached
layer
fabric
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.)
Granted
Application number
CA002115997A
Other languages
French (fr)
Other versions
CA2115997C (en
Inventor
Dimitri Peter Zafiroglu
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.)
Xymid LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PCT/US1991/005913 priority Critical patent/WO1993003916A1/en
Priority to EP91919367A priority patent/EP0602033B1/en
Priority to JP51663191A priority patent/JP2988724B2/en
Priority to CA002115997A priority patent/CA2115997C/en
Priority claimed from PCT/US1991/005913 external-priority patent/WO1993003916A1/en
Publication of CA2115997A1 publication Critical patent/CA2115997A1/en
Application granted granted Critical
Publication of CA2115997C publication Critical patent/CA2115997C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • 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
    • B29K2995/0094—Geometrical properties
    • B29K2995/0097—Thickness

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

An improved shaped article comprising a thermoformed composite sheet (20), which is a layer of thermoplastic polymer (22) attached to a surface of a lightweight conformable fabric (24), the other surface of the fabric being attached to a layer of rigid foam (30), provides the article with improved wall thickness uniformity and impact resistance.
CA002115997A 1991-08-20 1991-08-20 Thermoformable composite sheet Expired - Fee Related CA2115997C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/US1991/005913 WO1993003916A1 (en) 1991-08-20 1991-08-20 Composite shaped article
EP91919367A EP0602033B1 (en) 1991-08-20 1991-08-20 Composite shaped article
JP51663191A JP2988724B2 (en) 1991-08-20 1991-08-20 Composite molding
CA002115997A CA2115997C (en) 1991-08-20 1991-08-20 Thermoformable composite sheet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1991/005913 WO1993003916A1 (en) 1991-08-20 1991-08-20 Composite shaped article
CA002115997A CA2115997C (en) 1991-08-20 1991-08-20 Thermoformable composite sheet

Publications (2)

Publication Number Publication Date
CA2115997A1 true CA2115997A1 (en) 1993-03-04
CA2115997C CA2115997C (en) 2002-01-08

Family

ID=4152938

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002115997A Expired - Fee Related CA2115997C (en) 1991-08-20 1991-08-20 Thermoformable composite sheet

Country Status (2)

Country Link
JP (1) JP2988724B2 (en)
CA (1) CA2115997C (en)

Also Published As

Publication number Publication date
JPH06509522A (en) 1994-10-27
JP2988724B2 (en) 1999-12-13
CA2115997C (en) 2002-01-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed