FR2364757A1 - Procede et dispositif de production de pieces de forme a surface compacte unie et a coeur cellulaire poreux par moulage par injection - Google Patents

Procede et dispositif de production de pieces de forme a surface compacte unie et a coeur cellulaire poreux par moulage par injection

Info

Publication number
FR2364757A1
FR2364757A1 FR7728022A FR7728022A FR2364757A1 FR 2364757 A1 FR2364757 A1 FR 2364757A1 FR 7728022 A FR7728022 A FR 7728022A FR 7728022 A FR7728022 A FR 7728022A FR 2364757 A1 FR2364757 A1 FR 2364757A1
Authority
FR
France
Prior art keywords
mold
injection molding
molten material
cavity
producing shaped
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.)
Granted
Application number
FR7728022A
Other languages
English (en)
French (fr)
Other versions
FR2364757B1 (cs
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.)
Buehler AG
Original Assignee
Buehler 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 Buehler AG filed Critical Buehler AG
Publication of FR2364757A1 publication Critical patent/FR2364757A1/fr
Application granted granted Critical
Publication of FR2364757B1 publication Critical patent/FR2364757B1/fr
Granted 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
    • B29C44/0415—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 pressure of the material during or after filling of the mould, e.g. by local venting

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7728022A 1976-09-17 1977-09-16 Procede et dispositif de production de pieces de forme a surface compacte unie et a coeur cellulaire poreux par moulage par injection Granted FR2364757A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1179476A CH616106A5 (en) 1976-09-17 1976-09-17 Process and device for producing plastic mouldings with a smooth, compact surface and a cellular-porous core by injection moulding

Publications (2)

Publication Number Publication Date
FR2364757A1 true FR2364757A1 (fr) 1978-04-14
FR2364757B1 FR2364757B1 (cs) 1980-05-16

Family

ID=4376929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7728022A Granted FR2364757A1 (fr) 1976-09-17 1977-09-16 Procede et dispositif de production de pieces de forme a surface compacte unie et a coeur cellulaire poreux par moulage par injection

Country Status (4)

Country Link
CH (1) CH616106A5 (cs)
DE (1) DE2737148B2 (cs)
FR (1) FR2364757A1 (cs)
GB (1) GB1566946A (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999056931A1 (en) * 1998-04-30 1999-11-11 Daisen Industry Co., Ltd. Device and method for synthetic resin internal die foam molding and internal die foam molded product obtained by these device and method
DE10128458A1 (de) * 2001-06-12 2003-02-13 Battenfeld Gmbh Verfahren zur Herstellung eines geschäumten Kunststoffformteils
DE10258546B4 (de) * 2002-12-14 2005-03-10 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268635A (en) * 1963-02-25 1966-08-23 Robert A Kraus Arrangement for forming foam plastic article
FR2056576A5 (en) * 1969-08-28 1971-05-14 Huels Chemische Werke Ag Injection mould for thermoplastic foam materials
FR2156558A1 (cs) * 1971-10-23 1973-06-01 Ts Lab St
DE2335310A1 (de) * 1973-07-11 1975-02-13 Asahi Dow Ltd Verfahren zur herstellung von geschaeumten formkoerpern aus thermoplastischen kunststoffen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268635A (en) * 1963-02-25 1966-08-23 Robert A Kraus Arrangement for forming foam plastic article
FR2056576A5 (en) * 1969-08-28 1971-05-14 Huels Chemische Werke Ag Injection mould for thermoplastic foam materials
FR2156558A1 (cs) * 1971-10-23 1973-06-01 Ts Lab St
DE2335310A1 (de) * 1973-07-11 1975-02-13 Asahi Dow Ltd Verfahren zur herstellung von geschaeumten formkoerpern aus thermoplastischen kunststoffen

Also Published As

Publication number Publication date
DE2737148B2 (de) 1980-03-27
CH616106A5 (en) 1980-03-14
DE2737148A1 (de) 1978-03-23
GB1566946A (en) 1980-05-08
FR2364757B1 (cs) 1980-05-16

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Legal Events

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ST Notification of lapse