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GB1244284A - Moulding of articles - Google Patents

Moulding of articles

Info

Publication number
GB1244284A
GB1244284A GB02826/69A GB1282669A GB1244284A GB 1244284 A GB1244284 A GB 1244284A GB 02826/69 A GB02826/69 A GB 02826/69A GB 1282669 A GB1282669 A GB 1282669A GB 1244284 A GB1244284 A GB 1244284A
Authority
GB
United Kingdom
Prior art keywords
compartments
mould
air
foamed plastics
foamed
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
GB02826/69A
Inventor
Henry George Foreman
Paul John Nemet
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.)
MARLEY TILE CO Ltd
Original Assignee
MARLEY TILE 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 MARLEY TILE CO Ltd filed Critical MARLEY TILE CO Ltd
Priority to GB02826/69A priority Critical patent/GB1244284A/en
Publication of GB1244284A publication Critical patent/GB1244284A/en
Expired 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0415—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the pressure of the material during or after filling of the mould, e.g. by local venting

Landscapes

  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

1,244,284. Moulding cushions. MARLEY TILE CO. Ltd. 4 March, 1970 [11 March, 1969], No. 12826/69. Heading B5A. [Also in Division A4] A method of producing moulded foamed plastics cushions comprises dividing a mould into two compartments by a sheet of air-permeable material compatible with the foamed material, through which gases can escape from the mould during foaming, and allowing foamed plastics forming compositions to expand in the compartments, whereby an article comprising a layer of air permeable material sandwiched between cushion portions of foamed plastics, is produced. The air permeable layer is held around its periphery between a base and closure member of the mould to form the compartments. Equal amounts of foamed plastics forming compositions are introduced into the compartments and the mould is shaped to form cushion portions of equal size and with bevelled portions on either side of the air-permeable sheet. The compositions may be polyurethane foam forming composition, polyurethane polyether or polyester foam forming composition, or a composition based on vinyl chloride homopolymers or copolymers of a polyethylene. The air permeable material is formed of air permeable paper, polyester, polyvinyl chloride material or open cell foamed polyurethane, from 0À25 to 0À5 inch thick, and preferably 0À375 inch thick.
GB02826/69A 1969-03-11 1969-03-11 Moulding of articles Expired GB1244284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB02826/69A GB1244284A (en) 1969-03-11 1969-03-11 Moulding of articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB02826/69A GB1244284A (en) 1969-03-11 1969-03-11 Moulding of articles

Publications (1)

Publication Number Publication Date
GB1244284A true GB1244284A (en) 1971-08-25

Family

ID=10011853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB02826/69A Expired GB1244284A (en) 1969-03-11 1969-03-11 Moulding of articles

Country Status (1)

Country Link
GB (1) GB1244284A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183470A (en) * 1985-11-29 1987-06-10 Aprica Kassai Kk Child's safety seat
FR2598967A1 (en) * 1986-05-23 1987-11-27 Roth Sa Freres METHOD FOR MANUFACTURING POLYURETHANE FOAM MOLDED MATTRESSES COMPRISING SEVERAL ZONES OF DIFFERENT FLEXIBILITY AND MATELASSURES PRODUCED THEREBY
EP0431981A2 (en) * 1989-12-08 1991-06-12 Bridgestone Corporation Making polyurethane seat paddings

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183470A (en) * 1985-11-29 1987-06-10 Aprica Kassai Kk Child's safety seat
FR2598967A1 (en) * 1986-05-23 1987-11-27 Roth Sa Freres METHOD FOR MANUFACTURING POLYURETHANE FOAM MOLDED MATTRESSES COMPRISING SEVERAL ZONES OF DIFFERENT FLEXIBILITY AND MATELASSURES PRODUCED THEREBY
EP0251959A1 (en) * 1986-05-23 1988-01-07 Roth Freres S.A. Method of producing moulded polyurethane foam upholstery comprising several zones of different flexibility, and upholstery obtained
US4923746A (en) * 1986-05-23 1990-05-08 Roth Freres, Societe Anonyme Process for producing paddings molded from polyurethane foam comprising several regions of different pliability, and paddings thus produced
EP0431981A2 (en) * 1989-12-08 1991-06-12 Bridgestone Corporation Making polyurethane seat paddings
EP0431981A3 (en) * 1989-12-08 1991-09-11 Bridgestone Corporation Making polyurethane seat paddings
US5244612A (en) * 1989-12-08 1993-09-14 Bridgestone Corporation Method for molding polyurethane seat paddings

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