BE756570A - METHOD AND DEVICE FOR THE INJECTION MOLDING OF COMPOSITE PARTS OF PLASTIC MATERIAL - Google Patents

METHOD AND DEVICE FOR THE INJECTION MOLDING OF COMPOSITE PARTS OF PLASTIC MATERIAL

Info

Publication number
BE756570A
BE756570A BE756570DA BE756570A BE 756570 A BE756570 A BE 756570A BE 756570D A BE756570D A BE 756570DA BE 756570 A BE756570 A BE 756570A
Authority
BE
Belgium
Prior art keywords
injection molding
plastic material
composite parts
composite
parts
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Bayer Ag
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.)
Publication date
Publication of BE756570A publication Critical patent/BE756570A/en

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
    • B29C44/0461—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 having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
BE756570D 1969-09-25 METHOD AND DEVICE FOR THE INJECTION MOLDING OF COMPOSITE PARTS OF PLASTIC MATERIAL BE756570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691948454 DE1948454A1 (en) 1969-09-25 1969-09-25 Method and device for injection molding plastic composite parts

Publications (1)

Publication Number Publication Date
BE756570A true BE756570A (en) 1971-03-01

Family

ID=5746447

Family Applications (1)

Application Number Title Priority Date Filing Date
BE756570D BE756570A (en) 1969-09-25 METHOD AND DEVICE FOR THE INJECTION MOLDING OF COMPOSITE PARTS OF PLASTIC MATERIAL

Country Status (5)

Country Link
BE (1) BE756570A (en)
CA (1) CA937721A (en)
DE (1) DE1948454A1 (en)
FR (1) FR2062690A5 (en)
GB (1) GB1333587A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114555321A (en) * 2019-10-02 2022-05-27 美蓓亚三美株式会社 Pressure detection device and quality determination method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014966A (en) * 1972-09-06 1977-03-29 Robert Hanning Method for injection molding a composite foamed body having a foamed core and a continuous surface layer
DE2647249C3 (en) * 1976-10-20 1984-11-15 Ex-Cell-O Corp., Troy, Mich. Method and device for injection molding plastic objects with a dense outer skin and a foamed core
DE19911378A1 (en) 1999-03-15 2000-09-28 Ulrich Stieler Process for the production of physically foamed injection molded articles
ES2274862T3 (en) 2000-01-10 2007-06-01 Sulzer Chemtech Ag PROCEDURE TO ADD ADDITIVES.
DE10012394A1 (en) 2000-03-15 2001-10-04 Ulrich Stieler Closure for bottle-like containers and method for the production thereof
DE102007021679A1 (en) 2007-05-09 2008-11-13 Kraussmaffei Technologies Gmbh Method for expansion of flow with a movable cavity core, comprises latching the cavity core and producing a cavity with a first volume, injecting a first material into the cavity, and partially cooling and hardening the first material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114555321A (en) * 2019-10-02 2022-05-27 美蓓亚三美株式会社 Pressure detection device and quality determination method

Also Published As

Publication number Publication date
GB1333587A (en) 1973-10-10
DE1948454A1 (en) 1971-04-01
CA937721A (en) 1973-12-04
FR2062690A5 (en) 1971-06-25

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: SOC. DES MACHINES TRANSFORM. DES PLASTIQUES

Effective date: 19900924