CA937721A - Method and apparatus for injection moulding synthetic plastics compound articles - Google Patents

Method and apparatus for injection moulding synthetic plastics compound articles

Info

Publication number
CA937721A
CA937721A CA091584A CA91584A CA937721A CA 937721 A CA937721 A CA 937721A CA 091584 A CA091584 A CA 091584A CA 91584 A CA91584 A CA 91584A CA 937721 A CA937721 A CA 937721A
Authority
CA
Canada
Prior art keywords
injection moulding
synthetic plastics
plastics compound
moulding synthetic
compound articles
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
CA091584A
Other languages
English (en)
Other versions
CA91584S (en
Inventor
Knipp Ulrich
Schrewe Klaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA937721A publication Critical patent/CA937721A/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
    • B29C44/0461—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
CA091584A 1969-09-25 1970-08-26 Method and apparatus for injection moulding synthetic plastics compound articles Expired CA937721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691948454 DE1948454A1 (de) 1969-09-25 1969-09-25 Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffverbundteilen

Publications (1)

Publication Number Publication Date
CA937721A true CA937721A (en) 1973-12-04

Family

ID=5746447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA091584A Expired CA937721A (en) 1969-09-25 1970-08-26 Method and apparatus for injection moulding synthetic plastics compound articles

Country Status (5)

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

Families Citing this family (7)

* 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 (de) * 1976-10-20 1984-11-15 Ex-Cell-O Corp., Troy, Mich. Verfahren und Vorrichtung zum Spritzgießen von Kunststoffgegenständen mit einer dichten Außenhaut und einem geschäumten Kern
DE19911378A1 (de) * 1999-03-15 2000-09-28 Ulrich Stieler Verfahren zur Herstellung von physikalisch geschäumten Spritzgießartikeln
DE50111437D1 (de) 2000-01-10 2006-12-28 Sulzer Chemtech Ag Verfahren zum einbringen von zuschlagstoffen (additiven)
DE10012394A1 (de) 2000-03-15 2001-10-04 Ulrich Stieler Verschluss für flaschenartige Behältnisse sowie Verfahren zu dessen Herstellung
DE102007021679A1 (de) 2007-05-09 2008-11-13 Kraussmaffei Technologies Gmbh Verfahren und Vorrichtung zum Expansionsfluten
JP7349869B2 (ja) * 2019-10-02 2023-09-25 ミネベアミツミ株式会社 圧力検出装置および良否判断方法

Also Published As

Publication number Publication date
GB1333587A (en) 1973-10-10
FR2062690A5 (fr) 1971-06-25
BE756570A (fr) 1971-03-01
DE1948454A1 (de) 1971-04-01

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