FR2072042B1 - - Google Patents

Info

Publication number
FR2072042B1
FR2072042B1 FR707045519A FR7045519A FR2072042B1 FR 2072042 B1 FR2072042 B1 FR 2072042B1 FR 707045519 A FR707045519 A FR 707045519A FR 7045519 A FR7045519 A FR 7045519A FR 2072042 B1 FR2072042 B1 FR 2072042B1
Authority
FR
France
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
FR707045519A
Other versions
FR2072042A1 (fr
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of FR2072042A1 publication Critical patent/FR2072042A1/fr
Application granted granted Critical
Publication of FR2072042B1 publication Critical patent/FR2072042B1/fr
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
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/05—Use of one or more blowing agents together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam
FR707045519A 1969-12-24 1970-12-17 Expired FR2072042B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964748A DE1964748B2 (de) 1969-12-24 1969-12-24 Verfahren zum Herstellen thermo plastischer Schaumkunststoff Form korper nach dem Spritzgießverfahren

Publications (2)

Publication Number Publication Date
FR2072042A1 FR2072042A1 (fr) 1971-09-24
FR2072042B1 true FR2072042B1 (fr) 1974-03-01

Family

ID=5754896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707045519A Expired FR2072042B1 (fr) 1969-12-24 1970-12-17

Country Status (5)

Country Link
US (1) US3793416A (fr)
DE (1) DE1964748B2 (fr)
FR (1) FR2072042B1 (fr)
GB (1) GB1335391A (fr)
NL (1) NL7018738A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978012A (en) * 1972-11-06 1976-08-31 General Electric Company Injection moldable thermosettable phenol-aldehyde resin composition and process
US4017225A (en) * 1973-09-19 1977-04-12 Societa Internazionale Per Lo Sfruttamento Di Brevetti S.A. Apparatus for the production of synthetic-resin bodies having core and skin of different density
US4043715A (en) * 1975-06-02 1977-08-23 Ex-Cell-O Corporation Pumped injection of gas for making foamed plastic
US4185060A (en) * 1978-03-17 1980-01-22 Ladney M Jr Method of manufacturing structural foam plastic products free from undesirable contaminant constituents
DE3020122C2 (de) * 1980-05-27 1984-04-26 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Schaltungsanordung zum Zudosieren von gasförmigen oder flüssigen Stoffen, insbesondere physikalischen Treibmitteln, in eine fließfähige Schmelze aus thermoplastischem Kunststoff
US4344710A (en) * 1980-06-10 1982-08-17 Mobil Oil Corporation Polymer foam extrusion system
US4323528A (en) * 1980-08-07 1982-04-06 Valcour Imprinted Papers, Inc. Method and apparatus for making large size, low density, elongated thermoplastic cellular bodies
US4389358A (en) * 1981-06-22 1983-06-21 Kmmco Structural Foam, Inc. Method and apparatus for making an integral structural cellular and non-cellular plastic or resinous article with a smooth outer surface
US4390332A (en) * 1981-07-06 1983-06-28 Kmmco Structural Foam, Inc. Apparatus for injection molding of parts from foam plastics material and/or from solid plastics material
US4470938A (en) * 1982-08-27 1984-09-11 Mobil Oil Corporation Method and apparatus for extrusion of thermoplastic foam
US4473516A (en) * 1983-01-03 1984-09-25 Hoover Universal, Inc. Method and apparatus for injection molding plastic articles having solid exterior surfaces and porous interior cores
DE3405931A1 (de) * 1984-02-18 1985-08-22 Reifen-Ihle GmbH, 8870 Günzburg Vorrichtung zur herstellung seines gespritzten rohgummiteils
US5160674A (en) * 1987-07-29 1992-11-03 Massachusetts Institute Of Technology Microcellular foams of semi-crystaline polymeric materials
WO1989000918A2 (fr) * 1987-07-29 1989-02-09 Massachusetts Institute Of Technology Procede de production de mousses microcellulaires et mousses microcellulaires en materiaux polymeres semi-cristallins
US5051452A (en) * 1990-02-13 1991-09-24 The Dow Chemical Company Process for preparing foamed vinylaromatic polymer products
WO1992003273A1 (fr) * 1990-08-23 1992-03-05 Rema Industries & Services Pty. Ltd. Machine destinee a former des articles en materiaux thermoplastiques
US5423607A (en) * 1991-05-03 1995-06-13 Dolco Packaging Corp. Method for blending diverse blowing agents
DE4234620A1 (de) * 1992-10-14 1994-04-21 Basf Ag Verfahren zur Herstellung von geschäumten Polylactid Spritzgießteilen hoher Festigkeit und Steifigkeit
US5514310A (en) * 1994-03-25 1996-05-07 Sander; Daniel G. Method of foaming prior to injection molding
US5997781A (en) * 1996-04-04 1999-12-07 Mitsui Chemicals, Inc. Injection-expansion molded, thermoplastic resin product and production process thereof
JP3814032B2 (ja) * 1996-11-01 2006-08-23 本田技研工業株式会社 成形品
DE19848151C2 (de) * 1998-10-20 2002-09-19 Battenfeld Gmbh Verfahren und Vorrichtung zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
US6926507B2 (en) * 2000-03-07 2005-08-09 Trexel, Inc. Blowing agent delivery system
US6602063B1 (en) 2000-07-21 2003-08-05 Trexel, Inc. Discontinuous blowing agent delivery system and method
US6616434B1 (en) 2000-08-10 2003-09-09 Trexel, Inc. Blowing agent metering system
US7144532B2 (en) * 2002-10-28 2006-12-05 Trexel, Inc. Blowing agent introduction systems and methods
CA2517995A1 (fr) * 2005-09-02 2007-03-02 Chul B. Park Dispositif et methode de moulage perfectionne de mousse structuree
DE102017221078A1 (de) * 2017-11-24 2019-05-29 Zf Friedrichshafen Ag Verfahren zur Herstellung eines Ölverdrängerkörpers, Ölverdrängerkörper, Getriebeanordnung sowie Kraftfahrzeug
CN119305111A (zh) * 2024-12-19 2025-01-14 余姚华泰橡塑机械有限公司 一种立式橡塑发泡注塑成型装置
CN120096013A (zh) * 2025-05-08 2025-06-06 余姚华泰橡塑机械有限公司 一种发泡注塑工艺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH486979A (de) * 1968-03-20 1970-03-15 Usm Corp Verfahren und Vorrichtung zum Spritzgiessen von Gegenständen aus Schaumkunststoff

Also Published As

Publication number Publication date
DE1964748A1 (de) 1971-07-08
DE1964748B2 (de) 1973-12-13
FR2072042A1 (fr) 1971-09-24
GB1335391A (en) 1973-10-24
NL7018738A (fr) 1971-06-28
US3793416A (en) 1974-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse