DE3850543T3 - Verfahren zum Spritzgiessen - Google Patents

Verfahren zum Spritzgiessen

Info

Publication number
DE3850543T3
DE3850543T3 DE3850543T DE3850543T DE3850543T3 DE 3850543 T3 DE3850543 T3 DE 3850543T3 DE 3850543 T DE3850543 T DE 3850543T DE 3850543 T DE3850543 T DE 3850543T DE 3850543 T3 DE3850543 T3 DE 3850543T3
Authority
DE
Germany
Prior art keywords
injection molding
molding process
injection
molding
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 - Lifetime
Application number
DE3850543T
Other languages
English (en)
Other versions
DE3850543T2 (de
DE3850543D1 (de
Inventor
James 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=26795200&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3850543(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/098,862 external-priority patent/US4855094A/en
Application filed by Melea Ltd filed Critical Melea Ltd
Application granted granted Critical
Publication of DE3850543D1 publication Critical patent/DE3850543D1/de
Publication of DE3850543T2 publication Critical patent/DE3850543T2/de
Publication of DE3850543T3 publication Critical patent/DE3850543T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C45/1734—Nozzles therefor
    • B29C45/1735—Nozzles for introducing the fluid through the mould gate, e.g. incorporated in the injection nozzle
    • 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
    • B29C45/1732—Control circuits therefor
    • 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
DE3850543T 1987-09-21 1988-09-19 Verfahren zum Spritzgiessen Expired - Lifetime DE3850543T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/098,862 US4855094A (en) 1987-09-21 1987-09-21 Method for the injection molding of plastic articles using fluid pressure
US07/235,435 US4943407A (en) 1987-09-21 1988-08-25 Method of and apparatus for injection molding with pressurized fluid assist

Publications (3)

Publication Number Publication Date
DE3850543D1 DE3850543D1 (de) 1994-08-11
DE3850543T2 DE3850543T2 (de) 1995-02-16
DE3850543T3 true DE3850543T3 (de) 2001-08-09

Family

ID=26795200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850543T Expired - Lifetime DE3850543T3 (de) 1987-09-21 1988-09-19 Verfahren zum Spritzgiessen

Country Status (6)

Country Link
US (1) US4943407A (de)
EP (1) EP0309182B2 (de)
JP (1) JP2696131B2 (de)
CA (1) CA1314369C (de)
DE (1) DE3850543T3 (de)
MX (1) MX165439B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056152A1 (de) 2007-11-16 2009-05-20 Volkswagen Ag Verfahren und Vorrichtung zum Spritzgießen von Hohlraum-Formteilen

Families Citing this family (45)

* Cited by examiner, † Cited by third party
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US4935191A (en) * 1986-10-16 1990-06-19 Thomas W. Johnson Process of insection molding with pressurized gas assist
US5098637A (en) * 1988-07-11 1992-03-24 Milad Limited Partnership Process for injection molding and hollow plastic article produced thereby
SE500303C2 (sv) * 1989-02-09 1994-05-30 Electrolux Ab Anordning för framställning av ihåliga plastföremål genom formsprutning
GB8909376D0 (en) * 1989-04-25 1989-06-14 Wright Charles W Improved golf club
US5049056A (en) * 1990-03-14 1991-09-17 Nitrojection Corporation Gas supply sprue bushing for injection molding machines
US5118455A (en) * 1990-03-29 1992-06-02 Loren Norman S Gas assisted injection molding
US5039463A (en) * 1990-03-29 1991-08-13 Loren Norman S Gas assisted injection molding
US5137680A (en) * 1990-07-16 1992-08-11 Milad Limited Partnership Method of injection molding utilizing pressurized fluid source within a chamber in a mold
JPH0712619B2 (ja) * 1990-07-18 1995-02-15 豊田合成株式会社 射出中空成形型
US5110533A (en) * 1990-11-07 1992-05-05 Milad Limited Partnership Method for the use of gas assistance in the molding of plastic articles to enhance surface quality
US5200127A (en) * 1990-12-17 1993-04-06 Automotive Plastic Technologies, Inc. Method and apparatus for gas assisted injection molding
US5295800A (en) * 1990-12-17 1994-03-22 Automotive Plastic Technology, Inc. Apparatus for gas assisted injection molding having precise control of injection and holding pressure with stepped holding pressure capability
US5232711A (en) * 1991-06-06 1993-08-03 Melea Limited Apparatus for injection molding with pressurized fluid assist in the mold
US5186884A (en) * 1991-06-06 1993-02-16 Milad Limited Partnership Method of injection molding with pressurized fluid assist
US5304058A (en) * 1991-06-12 1994-04-19 Automotive Plastic Technologies Injection nozzle
US5149547A (en) * 1991-06-12 1992-09-22 Automotive Plastic Technologies, Inc. Apparatus for multi-cavity injection molding
US5306134A (en) * 1991-06-12 1994-04-26 Automotive Plastic Technologies Fluid forcing nozzle
US5149546A (en) * 1991-07-01 1992-09-22 Automotive Plastic Technologies, Inc. Check valve for a fluid-assisted plastic injection molding apparatus
US5204050A (en) * 1991-10-09 1993-04-20 Loren Norman S Gas assisted injection molding
US5456957A (en) * 1992-03-06 1995-10-10 The Standard Products Company Body side molding and method
US5273417A (en) * 1992-03-12 1993-12-28 Automotive Plastic Technologies, Inc. Nozzle for gas-assisted injection molding
US5284429A (en) * 1992-05-07 1994-02-08 Cascade Engineering, Inc. Gas-assisted injection molding apparatus
DE69320815T2 (de) * 1992-06-16 1999-04-29 Gas Injection Ltd Spritzgiessen von kunststoff unterstützt durch phasenweises zuführen von gas
CN1041183C (zh) * 1992-12-05 1998-12-16 梅利亚有限公司 在注模中利用压力流体辅助注塑成型的方法和装置
TW235269B (de) * 1993-03-05 1994-12-01 Mitsubishi Gas Chemical Co
US5728325A (en) * 1994-04-05 1998-03-17 Blankenburg; Karl Gas assist injection molding apparatus and method with multiple temperature gas supply
US5716561A (en) * 1994-05-02 1998-02-10 Guergov; Milko G. Injection control system
US6019918A (en) * 1997-01-17 2000-02-01 Guergov; Milko G. Gas assisted injection molding with controlled internal melt pressure
US5441680B1 (en) * 1994-05-02 1997-04-29 Milko G Guergov Method and apparatus for injection molding
EP0751857A4 (de) * 1995-01-27 1998-04-29 Mc Donnell Douglas Helicopter Verfahren zum transfer-spritzgiessen von kunstharz
US5639405A (en) * 1995-09-01 1997-06-17 Elizabeth Erikson Trust Method for providing selective control of a gas assisted plastic injection apparatus
US5908641A (en) * 1996-01-22 1999-06-01 Elizabeth Erikson Trust Gas nozzle for a gas assisted injection molding system
US5939103A (en) * 1996-01-22 1999-08-17 Erikson; Jon R. Gas nozzle assembly for a gas assisted injection molding system
US5843485A (en) 1996-06-28 1998-12-01 Incoe Corporation Valve-gate bushing for gas-assisted injection molding
US6375892B2 (en) 1997-08-27 2002-04-23 Alliance Systems, Inc. Method for gas assist injection molding
US6000925A (en) * 1997-12-22 1999-12-14 Alexander V. Daniels Gas assisted injection molding system
US6042354A (en) * 1998-02-02 2000-03-28 Loren; Norman S. Gas injection apparatus for gas assisted injection molding system
US6062842A (en) * 1998-04-14 2000-05-16 Larry J. Winget Mold for use in a gas-assisted injection molding system and runner shut-off subsystem for use therein
US6579489B1 (en) 1999-07-01 2003-06-17 Alliance Gas Systems, Inc. Process for gas assisted and water assisted injection molding
US6904925B2 (en) * 2001-04-05 2005-06-14 Bauer Compressors, Inc. Gas assist mold dump valve
US6767487B2 (en) 2001-07-10 2004-07-27 Cinpres Gas Injection Ltd. Plastic expulsion process
US6899843B2 (en) 2003-03-25 2005-05-31 Lear Corporation Plastic injection molding with moveable mold members forming speaker grill
US6890477B2 (en) 2003-03-25 2005-05-10 Lear Corporation Plastic injection molded articles with hollow rib members
EP1844916B1 (de) * 2006-04-12 2014-06-25 ENGEL AUSTRIA GmbH Einrichtung zum Expansionsspritzgiessen
US11007687B2 (en) 2017-10-02 2021-05-18 Legacy Foam Llc Polyurethane injection system and method

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US2331688A (en) * 1938-05-13 1943-10-12 Hartford Empire Co Method and apparatus for making hollow articles of plastic mateterial
US2345144A (en) * 1939-03-20 1944-03-28 Opavsky Walter Production of hollow products
US2714747A (en) * 1949-07-27 1955-08-09 Lindemann Herbert Manufacture of cellular bodies
CH314334A (de) * 1951-12-12 1956-06-15 Lonza Ag Verfahren zur Herstellung von Zellkörpern mit geschlossenen Zellen
US3021559A (en) * 1958-07-31 1962-02-20 Shipton & Company Ltd E Method of and apparatus for the manufacture of hollow plastic articles
NL109348C (de) * 1958-11-21
US3687582A (en) * 1970-06-08 1972-08-29 Borg Warner Apparatus for flowing gas into plasticized material
DE2106546A1 (de) * 1971-02-11 1972-08-17 Mohrbach E Verfahren und Vorrichtung zum Spritz gießen von Gegenstanden aus Kunststoff
US4092389A (en) * 1973-04-28 1978-05-30 Toyo Seikan Kaisha Ltd. Method of blow molding and then exhausting hollow plastic articles
BG18676A1 (de) * 1973-05-09 1975-03-20
US3966372A (en) * 1973-05-28 1976-06-29 Asahi-Dow Limited Injection molding apparatus for forming a composite, foam-skin, article
FR2257408B1 (de) * 1973-09-25 1978-01-13 Billion Sa
JPS5714968B2 (de) * 1973-10-25 1982-03-27
JPS514255A (en) * 1974-06-29 1976-01-14 Asahi Dow Ltd Chukubutsupinno seikeihoho
US4129636A (en) * 1974-03-20 1978-12-12 Bayer Aktiengesellschaft Process for providing mixed foamable reactants to a mold
US4078875A (en) * 1974-10-19 1978-03-14 Schloemann-Siemag Akt. Injection molding
DE2501314A1 (de) * 1975-01-15 1976-07-22 Roehm Gmbh Spritzgiessen hohler formteile aus thermoplastischen kunststoffen, insbesondere fuer den bausektor
US4033710A (en) * 1975-07-25 1977-07-05 Robert Hanning Apparatus for making thermoplastic articles with porous cores and less porous or nonporous skins
JPS52153359A (en) * 1976-06-14 1977-12-20 Murata Manufacturing Co Dielectric resonator
US4082226A (en) * 1976-08-16 1978-04-04 Eastside Machine & Welding, Inc. Shut-off nozzle
JPS59383B2 (ja) * 1977-01-05 1984-01-06 旭化成株式会社 型物の成形法
JPS53102960A (en) * 1977-02-21 1978-09-07 Asahi Chem Ind Co Ltd Injection mold
US4234642A (en) * 1978-12-08 1980-11-18 Union Carbide Corporation Molded plastic structural web articles
JPS5595547A (en) * 1979-01-16 1980-07-19 Pilot Precision Co Ltd Metal mold for injection molding
US4247616A (en) * 1979-07-27 1981-01-27 Minnesota Mining And Manufacturing Company Positive-acting photoresist composition
US4604044A (en) * 1979-08-30 1986-08-05 Hoover Universal, Inc. Injection blow molding apparatus
JPS5691015U (de) * 1979-12-15 1981-07-20
JPS5714968A (en) * 1980-07-02 1982-01-26 Hitachi Ltd Process and control system for information at point of sales time
US4367296A (en) * 1980-09-12 1983-01-04 International Harvester Company Structural materials and components
US4333608A (en) * 1980-09-19 1982-06-08 Ex-Cell-O Corporation Injection molding nozzle
US4555225A (en) * 1982-05-24 1985-11-26 Lang Fastener Corporation Apparatus for making a twin-wall, internally corrugated plastic structural part with a smooth non-cellular skin
US4474717A (en) * 1982-05-24 1984-10-02 Lang Fastener Corporation Method of making a twin-wall internally corrugated plastic structural part with a smooth non-cellular skin
US4601870A (en) * 1983-04-27 1986-07-22 M.C.L. Co., Ltd. Injection molding process
GB2139548B (en) * 1983-05-11 1986-11-19 James Watson Hendry Injection moulding
GB2139549A (en) * 1983-05-11 1984-11-14 James Watson Hendry Injection moulding
GB8706204D0 (en) * 1987-03-16 1987-04-23 Peerless Cinpres Ltd Injection moulding apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007056152A1 (de) 2007-11-16 2009-05-20 Volkswagen Ag Verfahren und Vorrichtung zum Spritzgießen von Hohlraum-Formteilen

Also Published As

Publication number Publication date
EP0309182A2 (de) 1989-03-29
EP0309182B1 (de) 1994-07-06
JPH01157823A (ja) 1989-06-21
JP2696131B2 (ja) 1998-01-14
MX165439B (es) 1992-11-11
CA1314369C (en) 1993-03-16
US4943407A (en) 1990-07-24
EP0309182B2 (de) 2000-10-11
DE3850543T2 (de) 1995-02-16
EP0309182A3 (en) 1989-10-18
DE3850543D1 (de) 1994-08-11

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8332 No legal effect for de