BR8505332A - Molde para uso em leitos de resina preespumados expansiveis a quente para formar peca de formato predeteminado e processo de formacao de peca de plastico expandido de formato predeterminado - Google Patents

Molde para uso em leitos de resina preespumados expansiveis a quente para formar peca de formato predeteminado e processo de formacao de peca de plastico expandido de formato predeterminado

Info

Publication number
BR8505332A
BR8505332A BR8505332A BR8505332A BR8505332A BR 8505332 A BR8505332 A BR 8505332A BR 8505332 A BR8505332 A BR 8505332A BR 8505332 A BR8505332 A BR 8505332A BR 8505332 A BR8505332 A BR 8505332A
Authority
BR
Brazil
Prior art keywords
format
piece
chamber
cavity
predeteminate
Prior art date
Application number
BR8505332A
Other languages
English (en)
Portuguese (pt)
Inventor
Larry Victor Crabtree
Original Assignee
Morval Durafoam 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
Priority claimed from US06/667,067 external-priority patent/US4627946A/en
Application filed by Morval Durafoam Ltd filed Critical Morval Durafoam Ltd
Publication of BR8505332A publication Critical patent/BR8505332A/pt

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

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Molding Of Porous Articles (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
BR8505332A 1984-11-01 1985-10-25 Molde para uso em leitos de resina preespumados expansiveis a quente para formar peca de formato predeteminado e processo de formacao de peca de plastico expandido de formato predeterminado BR8505332A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/667,067 US4627946A (en) 1983-11-07 1984-11-01 Method and molding apparatus for molding expanded polystyrene articles having smooth surfaces

Publications (1)

Publication Number Publication Date
BR8505332A true BR8505332A (pt) 1986-08-05

Family

ID=24676664

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8505332A BR8505332A (pt) 1984-11-01 1985-10-25 Molde para uso em leitos de resina preespumados expansiveis a quente para formar peca de formato predeteminado e processo de formacao de peca de plastico expandido de formato predeterminado

Country Status (8)

Country Link
KR (1) KR900003736B1 (ko)
AT (1) ATE55944T1 (ko)
BR (1) BR8505332A (ko)
DE (1) DE3579411D1 (ko)
ES (1) ES8703764A1 (ko)
IN (1) IN164319B (ko)
MX (1) MX163967B (ko)
PT (1) PT81361B (ko)

Also Published As

Publication number Publication date
PT81361A (en) 1985-11-01
IN164319B (ko) 1989-02-18
MX163967B (es) 1992-07-07
ES548444A0 (es) 1987-03-01
DE3579411D1 (de) 1990-10-04
KR900003736B1 (ko) 1990-05-30
KR860003899A (ko) 1986-06-13
PT81361B (pt) 1987-09-18
ES8703764A1 (es) 1987-03-01
ATE55944T1 (de) 1990-09-15

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 25/10/2000

B15K Others concerning applications: alteration of classification

Ipc: B29C 44/00 (2006.01), B29C 33/00 (2006.0