PT81361B - Molde para polistireno expandido para a producao de pecas com superficies macias e processo para a formacao de uma peca de plastico expandido - Google Patents

Molde para polistireno expandido para a producao de pecas com superficies macias e processo para a formacao de uma peca de plastico expandido

Info

Publication number
PT81361B
PT81361B PT81361A PT8136185A PT81361B PT 81361 B PT81361 B PT 81361B PT 81361 A PT81361 A PT 81361A PT 8136185 A PT8136185 A PT 8136185A PT 81361 B PT81361 B PT 81361B
Authority
PT
Portugal
Prior art keywords
chamber
cavity
expanded
manifold
pecke
Prior art date
Application number
PT81361A
Other languages
English (en)
Portuguese (pt)
Other versions
PT81361A (en
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 PT81361A publication Critical patent/PT81361A/pt
Publication of PT81361B publication Critical patent/PT81361B/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)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Molding Of Porous Articles (AREA)
PT81361A 1984-11-01 1985-10-23 Molde para polistireno expandido para a producao de pecas com superficies macias e processo para a formacao de uma peca de plastico expandido PT81361B (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 (2)

Publication Number Publication Date
PT81361A PT81361A (en) 1985-11-01
PT81361B true PT81361B (pt) 1987-09-18

Family

ID=24676664

Family Applications (1)

Application Number Title Priority Date Filing Date
PT81361A PT81361B (pt) 1984-11-01 1985-10-23 Molde para polistireno expandido para a producao de pecas com superficies macias e processo para a formacao de uma peca de plastico expandido

Country Status (8)

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

Also Published As

Publication number Publication date
ES548444A0 (es) 1987-03-01
BR8505332A (pt) 1986-08-05
ATE55944T1 (de) 1990-09-15
KR860003899A (ko) 1986-06-13
MX163967B (es) 1992-07-07
KR900003736B1 (ko) 1990-05-30
ES8703764A1 (es) 1987-03-01
PT81361A (en) 1985-11-01
IN164319B (de) 1989-02-18
DE3579411D1 (de) 1990-10-04

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Legal Events

Date Code Title Description
PC3A Transfer or assignment

Free format text: 931018 FOSECO INTERNATIONAL LTD. GB

TE3A Change of address (patent)
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19940731