BE814758A - Procede et dispositif pour la production d'articles en matieres plastiques possedant une croute dense et lisse et un noyau poreux - Google Patents

Procede et dispositif pour la production d'articles en matieres plastiques possedant une croute dense et lisse et un noyau poreux

Info

Publication number
BE814758A
BE814758A BE2053599A BE2053599A BE814758A BE 814758 A BE814758 A BE 814758A BE 2053599 A BE2053599 A BE 2053599A BE 2053599 A BE2053599 A BE 2053599A BE 814758 A BE814758 A BE 814758A
Authority
BE
Belgium
Prior art keywords
dense
plastics
production
articles made
porous core
Prior art date
Application number
BE2053599A
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 BE814758A publication Critical patent/BE814758A/fr

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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/043—Skinned foam
BE2053599A 1973-05-09 1974-05-09 Procede et dispositif pour la production d'articles en matieres plastiques possedant une croute dense et lisse et un noyau poreux BE814758A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG23557A BG18676A1 (fr) 1973-05-09 1973-05-09

Publications (1)

Publication Number Publication Date
BE814758A true BE814758A (fr) 1974-09-02

Family

ID=3899438

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053599A BE814758A (fr) 1973-05-09 1974-05-09 Procede et dispositif pour la production d'articles en matieres plastiques possedant une croute dense et lisse et un noyau poreux

Country Status (12)

Country Link
JP (1) JPS51576A (fr)
AT (1) AT353471B (fr)
BE (1) BE814758A (fr)
BG (1) BG18676A1 (fr)
CA (1) CA1053872A (fr)
DD (1) DD111323A5 (fr)
DE (1) DE2422579A1 (fr)
FR (1) FR2228598B1 (fr)
GB (1) GB1460101A (fr)
IT (1) IT1035534B (fr)
NL (1) NL7406286A (fr)
SE (1) SE402547B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457511A (en) * 1982-03-15 1984-07-03 William Witkowski Plastic bowling pin and method of making the same
GB2139548B (en) * 1983-05-11 1986-11-19 James Watson Hendry Injection moulding
IT1212799B (it) * 1983-12-15 1989-11-30 Ates Componenti Elettron Dispositivo elettronico ad interruttore comandato per la soppressione di transitori.
US4935191A (en) * 1986-10-16 1990-06-19 Thomas W. Johnson Process of insection molding with pressurized gas assist
GB8706204D0 (en) * 1987-03-16 1987-04-23 Peerless Cinpres Ltd Injection moulding apparatus
US5032345A (en) * 1987-07-09 1991-07-16 Michael Ladney Method of injection molding with pressurized-fluid assist and variable-volume reservoir
US4943407A (en) * 1987-09-21 1990-07-24 Michael Ladney Method of and apparatus for injection molding with pressurized fluid assist
US4855094A (en) * 1987-09-21 1989-08-08 Michael Ladney Method for the injection molding of plastic articles using fluid pressure
US5069859A (en) * 1987-12-16 1991-12-03 Milad Limited Partnership Method of injection molding with pressurized-fluid assist
US4913644A (en) * 1988-04-15 1990-04-03 Michael Ladney System for making a hollow-shaped body from molten resin by injection molding
US4830812A (en) * 1988-04-15 1989-05-16 Michael Ladney Method and system for making a hollow-shaped body from molten resin by injection molding
US5098637A (en) * 1988-07-11 1992-03-24 Milad Limited Partnership Process for injection molding and hollow plastic article produced thereby
US6053720A (en) * 1997-09-22 2000-04-25 Larry J. Winget Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein
US6767487B2 (en) 2001-07-10 2004-07-27 Cinpres Gas Injection Ltd. Plastic expulsion process
US6890477B2 (en) 2003-03-25 2005-05-10 Lear Corporation Plastic injection molded articles with hollow rib members
US6899843B2 (en) 2003-03-25 2005-05-31 Lear Corporation Plastic injection molding with moveable mold members forming speaker grill
CN104647679B (zh) * 2013-11-22 2018-07-17 法国圣戈班玻璃公司 形成汽车玻璃包边的方法、车窗以及模具

Also Published As

Publication number Publication date
AT353471B (de) 1979-11-12
DE2422579A1 (de) 1974-11-28
NL7406286A (fr) 1974-11-12
CA1053872A (fr) 1979-05-08
DD111323A5 (fr) 1975-02-12
JPS51576A (en) 1976-01-06
GB1460101A (en) 1976-12-31
SE402547B (sv) 1978-07-10
FR2228598B1 (fr) 1976-10-15
FR2228598A1 (fr) 1974-12-06
BG18676A1 (fr) 1975-03-20
IT1035534B (it) 1979-10-20
JPS534873B2 (fr) 1978-02-21

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