DE69809970T2 - Schäumform und Giessverfahren für synthetisch geschäumten Kunststoff - Google Patents

Schäumform und Giessverfahren für synthetisch geschäumten Kunststoff

Info

Publication number
DE69809970T2
DE69809970T2 DE69809970T DE69809970T DE69809970T2 DE 69809970 T2 DE69809970 T2 DE 69809970T2 DE 69809970 T DE69809970 T DE 69809970T DE 69809970 T DE69809970 T DE 69809970T DE 69809970 T2 DE69809970 T2 DE 69809970T2
Authority
DE
Germany
Prior art keywords
synthetically
casting process
foamed plastic
foam mold
foam
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 - Fee Related
Application number
DE69809970T
Other languages
English (en)
Other versions
DE69809970D1 (de
Inventor
Teruo Twai
Yutaka Hirata
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Publication of DE69809970D1 publication Critical patent/DE69809970D1/de
Application granted granted Critical
Publication of DE69809970T2 publication Critical patent/DE69809970T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/812—Venting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
DE69809970T 1997-01-28 1998-01-26 Schäumform und Giessverfahren für synthetisch geschäumten Kunststoff Expired - Fee Related DE69809970T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02855297A JP3772244B2 (ja) 1997-01-28 1997-01-28 合成樹脂発泡成形品の成形金型及び成形方法

Publications (2)

Publication Number Publication Date
DE69809970D1 DE69809970D1 (de) 2003-01-23
DE69809970T2 true DE69809970T2 (de) 2003-11-06

Family

ID=12251828

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69809970T Expired - Fee Related DE69809970T2 (de) 1997-01-28 1998-01-26 Schäumform und Giessverfahren für synthetisch geschäumten Kunststoff

Country Status (4)

Country Link
US (1) US6036899A (de)
EP (1) EP0855260B1 (de)
JP (1) JP3772244B2 (de)
DE (1) DE69809970T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006016705A1 (de) * 2006-04-08 2007-10-11 Robert Bosch Gmbh Linearwälzlager mit mikrostrukturierter Laufbahn

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5997783A (en) * 1997-10-31 1999-12-07 Woodbridge Foam Corporation Method for producing a molded article using a vented mold
JP3717895B2 (ja) * 2002-07-04 2005-11-16 韓国タイヤ株式会社 タイヤ加硫金型のベント装置
US7144532B2 (en) * 2002-10-28 2006-12-05 Trexel, Inc. Blowing agent introduction systems and methods
DE10258546B4 (de) * 2002-12-14 2005-03-10 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung geschäumter Polyurethan-Formkörper
US20040164449A1 (en) * 2003-02-24 2004-08-26 Feeney Christopher John Disposable vent assembly for a reaction injection molding system
FR2857898B1 (fr) * 2003-07-23 2006-07-21 Faurecia Sieges Automobile Dispositif et procede de degazage pendant une operation de moulage
DE102004028803A1 (de) * 2004-06-15 2006-01-12 Stankiewicz Gmbh Verfahren und Vorrichtung zur Herstellung hinterschäumter luftdurchlässiger textiler Produkte
US7641459B2 (en) * 2006-05-01 2010-01-05 Sealed Air Corporation (Us) Foam cushion molding system and method
JP5380909B2 (ja) * 2008-05-30 2014-01-08 株式会社ブリヂストン 金型及び樹脂発泡成形品の成形方法
JP6496140B2 (ja) * 2014-12-25 2019-04-03 中国化成工業株式会社 発泡成形装置
KR20180048941A (ko) * 2015-08-31 2018-05-10 프로프라이어텍 엘. 피. 배기구가 있는 몰드
JP7117264B2 (ja) * 2019-04-16 2022-08-12 株式会社ブリヂストン ベントホール清掃装置及びベントホール清掃方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH547138A (de) * 1972-10-05 1974-03-29 Hodler Fritz Entlueftungsventil zum schliessen des entlueftungskanals von giessformen.
US3970732A (en) * 1973-09-26 1976-07-20 Kimball International, Inc. Method of molding rigid foamed polyurethane articles
FR2428519A1 (fr) * 1978-06-13 1980-01-11 Ameublement Ind Et Tech Bouchon pour trou de coulee de matiere expansee dans un moule
DE2948318A1 (de) * 1979-11-30 1981-06-04 Agfa-Gevaert Ag, 5090 Leverkusen Entlueftungseinrichtung fuer formgebende werkzeuge
US4853995A (en) * 1982-09-15 1989-08-08 Sears Manufacturing Company Molded cushion article
US4608213A (en) * 1983-11-04 1986-08-26 Ikeda Bussan Co., Ltd. Method and mold apparatus for molding a padding member
FR2598959B1 (fr) * 1986-05-26 1988-12-02 Anver Procede et dispositif d'injection de pastisol liquide sous faible pression
DE3622598A1 (de) * 1986-07-05 1988-04-28 Elastogran Polyurethane Gmbh Formwerkzeug fuer mehrkomponenten-kunststoffe, insbesondere polyurethan
EP0341931A3 (de) * 1988-05-07 1991-08-21 Bridgestone Corporation Giessverfahren und Giessformanordnung
JPH0541856Y2 (de) * 1988-07-26 1993-10-22
JPH0545453Y2 (de) * 1988-10-31 1993-11-19
JPH0545452Y2 (de) * 1988-10-31 1993-11-19
JPH02167711A (ja) * 1988-11-30 1990-06-28 Ikeda Bussan Co Ltd 表皮材一体発泡体の発泡成形型
US5466404A (en) * 1993-10-06 1995-11-14 Atoma International Inc. Controlled venting during molding of polyurethane foam
US5451151A (en) * 1994-02-28 1995-09-19 Hoover Universal, Inc. Apparatus for molding foam articles
US5626887A (en) * 1994-10-24 1997-05-06 Texas Instruments Incorporated Air exhaust mold plunger
US5723152A (en) * 1995-08-01 1998-03-03 Bridgestone Corporation Apparatus for vacuum molding expanded synthetic resin parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006016705A1 (de) * 2006-04-08 2007-10-11 Robert Bosch Gmbh Linearwälzlager mit mikrostrukturierter Laufbahn

Also Published As

Publication number Publication date
EP0855260A3 (de) 2000-01-26
JP3772244B2 (ja) 2006-05-10
US6036899A (en) 2000-03-14
DE69809970D1 (de) 2003-01-23
JPH10202676A (ja) 1998-08-04
EP0855260A2 (de) 1998-07-29
EP0855260B1 (de) 2002-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee