GB1226129A - - Google Patents

Info

Publication number
GB1226129A
GB1226129A GB1226129DA GB1226129A GB 1226129 A GB1226129 A GB 1226129A GB 1226129D A GB1226129D A GB 1226129DA GB 1226129 A GB1226129 A GB 1226129A
Authority
GB
United Kingdom
Prior art keywords
cavity
injection
aug
pressure
under pressure
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
Other languages
English (en)
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 filed Critical
Publication of GB1226129A publication Critical patent/GB1226129A/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
    • B29C44/0407—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 temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB1226129D 1967-08-12 1968-08-09 Expired GB1226129A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC0043100 1967-08-12

Publications (1)

Publication Number Publication Date
GB1226129A true GB1226129A (fr) 1971-03-24

Family

ID=7025225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226129D Expired GB1226129A (fr) 1967-08-12 1968-08-09

Country Status (3)

Country Link
DE (1) DE1704545A1 (fr)
FR (1) FR1576083A (fr)
GB (1) GB1226129A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG18242A1 (fr) * 1972-09-25 1974-10-25
FR2433407A1 (fr) * 1978-08-14 1980-03-14 Asahi Dow Ltd Produit mousse et procede pour le mouler par injection
FR2602996B1 (fr) * 1986-08-19 1989-02-17 Jaeger Procede de fabrication d'une piece moulee de faible densite et piece ainsi realisee, notamment un flotteur pour circuit d'hydrocarbures de vehicule automobile
DE102006039099B4 (de) * 2006-08-02 2008-07-17 MöllerTech GmbH Spritzgießverfahren zur Herstellung eines geschäumten Bauteils
DE102019215841A1 (de) * 2019-10-15 2021-04-15 Joyson Safety Systems Germany Gmbh Gassackabdeckung mit partiell geschäumten Bereichen und Verfahren zum Herstellen solcher Gassackabdeckungen

Also Published As

Publication number Publication date
FR1576083A (fr) 1969-07-25
DE1704545A1 (de) 1971-05-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees