DE68929311T2 - Verfahren zum einspritzgiessformen - Google Patents

Verfahren zum einspritzgiessformen

Info

Publication number
DE68929311T2
DE68929311T2 DE68929311T DE68929311T DE68929311T2 DE 68929311 T2 DE68929311 T2 DE 68929311T2 DE 68929311 T DE68929311 T DE 68929311T DE 68929311 T DE68929311 T DE 68929311T DE 68929311 T2 DE68929311 T2 DE 68929311T2
Authority
DE
Germany
Prior art keywords
injection molding
molding
injection
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
DE68929311T
Other languages
English (en)
Other versions
DE68929311D1 (de
Inventor
W Hendry
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.)
Melea Ltd
Original Assignee
Melea Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22809963&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68929311(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Melea Ltd filed Critical Melea Ltd
Application granted granted Critical
Publication of DE68929311D1 publication Critical patent/DE68929311D1/de
Publication of DE68929311T2 publication Critical patent/DE68929311T2/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • B29C45/1711—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles and removing excess material from the mould cavity by the introduced fluid, e.g. to an overflow cavity
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • B29C2045/1729—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles fluid venting means
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • B29C2045/173—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles using a plurality of fluid injection nozzles
DE68929311T 1988-07-11 1989-06-26 Verfahren zum einspritzgiessformen Expired - Fee Related DE68929311T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/217,175 US5098637A (en) 1988-07-11 1988-07-11 Process for injection molding and hollow plastic article produced thereby
PCT/US1989/002815 WO1990000466A1 (en) 1988-07-11 1989-06-26 Process for injection molding and hollow plastic article produced thereby

Publications (2)

Publication Number Publication Date
DE68929311D1 DE68929311D1 (de) 2001-08-09
DE68929311T2 true DE68929311T2 (de) 2002-05-02

Family

ID=22809963

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68929311T Expired - Fee Related DE68929311T2 (de) 1988-07-11 1989-06-26 Verfahren zum einspritzgiessformen

Country Status (10)

Country Link
US (1) US5098637A (de)
EP (1) EP0424435B1 (de)
JP (1) JP2777595B2 (de)
BR (1) BR8907520A (de)
CA (1) CA1327874C (de)
DE (1) DE68929311T2 (de)
DK (1) DK284590D0 (de)
MX (1) MX166392B (de)
NO (1) NO180526B (de)
WO (1) WO1990000466A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1414634B2 (de) † 2001-07-10 2012-05-09 Cinpres Gas Injection Limited Verfahren zum spritzgiessen

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US6730258B1 (en) 1988-11-29 2004-05-04 Hashimoto Forming Industry Co., Ltd. Method of manufacturing windows having an integral hollow body frame member
DE3913109C5 (de) * 1989-04-21 2010-03-18 Ferromatik Milacron Maschinenbau Gmbh Verfahren zum Spritzgießen fluidgefüllter Kunststoffkörper und Vorrichtung zur Durchführung des Verfahrens
JP2791421B2 (ja) * 1989-10-05 1998-08-27 旭化成工業株式会社 中空型物の成形方法
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US5799385A (en) * 1991-12-10 1998-09-01 Commer S.P.A. Process for the manufacture of trim panels for motorvehicles
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US6042355A (en) * 1998-04-14 2000-03-28 Larry J. Winget Mold for use in a gas-assisted injection molding system and ejector pin subsystem including a split pin for use therein
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US5869105A (en) * 1998-04-14 1999-02-09 Larry J. Winget Mold for use in a gas-assisted injection molding system and adjustable overflow pin assembly for use therein
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US8883279B2 (en) 2010-09-30 2014-11-11 Ticona Llc Fluid-assisted injection molded articles and process
US11203138B2 (en) 2018-11-02 2021-12-21 U.S. Farathane Corporation Molded automotive fluid dispensing and manifold distribution system
CN109849288B (zh) * 2018-11-14 2021-06-01 宁波方正汽车模具股份有限公司 汽车门板气辅成型模具
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1414634B2 (de) † 2001-07-10 2012-05-09 Cinpres Gas Injection Limited Verfahren zum spritzgiessen

Also Published As

Publication number Publication date
EP0424435A4 (en) 1991-07-03
JPH03505851A (ja) 1991-12-19
WO1990000466A1 (en) 1990-01-25
NO180526B (no) 1997-01-27
DK284590A (da) 1990-11-29
JP2777595B2 (ja) 1998-07-16
CA1327874C (en) 1994-03-22
EP0424435A1 (de) 1991-05-02
NO910070D0 (no) 1991-01-08
MX166392B (es) 1993-01-06
DK284590D0 (da) 1990-11-29
NO910070L (no) 1991-01-10
EP0424435B1 (de) 2001-07-04
DE68929311D1 (de) 2001-08-09
BR8907520A (pt) 1991-05-28
US5098637A (en) 1992-03-24

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee