ATE77292T1 - Verfahren und vorrichtung zum spritzgiessen. - Google Patents
Verfahren und vorrichtung zum spritzgiessen.Info
- Publication number
- ATE77292T1 ATE77292T1 AT88308827T AT88308827T ATE77292T1 AT E77292 T1 ATE77292 T1 AT E77292T1 AT 88308827 T AT88308827 T AT 88308827T AT 88308827 T AT88308827 T AT 88308827T AT E77292 T1 ATE77292 T1 AT E77292T1
- Authority
- AT
- Austria
- Prior art keywords
- cavity
- mould
- vent passage
- inner end
- article
- Prior art date
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
- B29C45/76—Measuring, controlling or regulating
-
- 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
- B29C45/26—Moulds
- B29C45/34—Moulds having 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/57—Exerting after-pressure on the moulding 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
- 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
-
- 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
- Y10S425/058—Undercut
-
- 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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Cereal-Derived Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878722620A GB8722620D0 (en) | 1987-09-25 | 1987-09-25 | Injection moulding |
EP88308827A EP0309257B1 (de) | 1987-09-25 | 1988-09-23 | Verfahren und Vorrichtung zum Spritzgiessen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE77292T1 true ATE77292T1 (de) | 1992-07-15 |
Family
ID=10624387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88308827T ATE77292T1 (de) | 1987-09-25 | 1988-09-23 | Verfahren und vorrichtung zum spritzgiessen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4923667A (de) |
EP (1) | EP0309257B1 (de) |
JP (1) | JP2554529B2 (de) |
KR (1) | KR960015296B1 (de) |
AT (1) | ATE77292T1 (de) |
DE (1) | DE3872132T2 (de) |
GB (2) | GB8722620D0 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4830812A (en) * | 1988-04-15 | 1989-05-16 | Michael Ladney | Method and system for making a hollow-shaped body from molten resin by injection molding |
US5098637A (en) * | 1988-07-11 | 1992-03-24 | Milad Limited Partnership | Process for injection molding and hollow plastic article produced thereby |
JP2807279B2 (ja) * | 1988-11-16 | 1998-10-08 | 株式会社ブリヂストン | 発泡成形型のガス抜き装置 |
US5076778A (en) * | 1989-05-29 | 1991-12-31 | Schade Kg | Arrangement for producing a hollow shaped body |
AT402485B (de) * | 1989-08-22 | 1997-05-26 | Battenfeld Gmbh | Spritzkopf zum spritzgiessen von kunststoff nach dem injektionsverfahren |
US5069858A (en) * | 1989-09-18 | 1991-12-03 | Milad Limited Partnership | Method for the use of gas assistance in the molding of plastic articles |
US5028377A (en) * | 1990-03-05 | 1991-07-02 | Michael Ladney | Method for injection molding plastic article with gas-assistance |
US5149547A (en) * | 1991-06-12 | 1992-09-22 | Automotive Plastic Technologies, Inc. | Apparatus for multi-cavity injection molding |
GB9114324D0 (en) * | 1991-07-03 | 1991-08-21 | Kontor Moulding Systems Ltd | Injection moulding of thermoplastic polymers |
US5204050A (en) * | 1991-10-09 | 1993-04-20 | Loren Norman S | Gas assisted injection molding |
US5256047A (en) * | 1991-12-03 | 1993-10-26 | Nitrojection Corporation | Gas assisted injection molding apparatus utilizing sleeve and pin arrangement |
US5456957A (en) * | 1992-03-06 | 1995-10-10 | The Standard Products Company | Body side molding and method |
US5364252A (en) * | 1992-08-26 | 1994-11-15 | General Motors Corporation | Gas injector with retractable nozzle for assist of plastics injection molding |
US5342191A (en) * | 1992-10-02 | 1994-08-30 | General Motors Corporation | Plastics injection molding device with multipositioning construction for gas assisted molding |
US5467885A (en) * | 1993-11-29 | 1995-11-21 | Blinstrub; Robert M. | Collapsible material handling container |
US5398835A (en) * | 1993-11-29 | 1995-03-21 | Blinstrub; Robert M. | Collapsible material handling container having improved corner interlock |
US5586675A (en) * | 1993-11-29 | 1996-12-24 | General Electric Company | Reinforced material handling container |
EP0690004A1 (de) | 1993-11-29 | 1996-01-03 | Otto Industries, Inc. | Zusammenlegbarer Behälter |
US5449285A (en) * | 1994-03-29 | 1995-09-12 | Davidson Textron, Inc. | Mold for molding a resin to form a complex article |
US5728325A (en) * | 1994-04-05 | 1998-03-17 | Blankenburg; Karl | Gas assist injection molding apparatus and method with multiple temperature gas supply |
KR970011562B1 (ko) * | 1994-04-09 | 1997-07-12 | 엘지전자 주식회사 | 가스 주입을 이용한 이종 수지물의 사출성형 장치 및 방법 |
US5441680B1 (en) * | 1994-05-02 | 1997-04-29 | Milko G Guergov | Method and apparatus for injection molding |
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 |
AU685513B2 (en) | 1994-10-06 | 1998-01-22 | Oakbray Investment Company Limited | Manufacture of elongate articles |
US5670112A (en) * | 1995-02-23 | 1997-09-23 | Dynamic Mixer, Inc. | Multiphase matter introduction with a plasticating screw arrangement |
DE19519801A1 (de) * | 1995-05-30 | 1996-12-05 | Bauer Engineering Gmbh | Formwerkzeug, insbesondere für das Kunststoffspritzgießen mittels Gasinnendruck und Verfahren zur Herstellung von Kunststoff-Spritzgußformteilen unter Einsatz des Formwerkzeugs |
GB2303815B (en) * | 1995-07-31 | 1997-09-17 | Ind Tech Res Inst | A gas injection nozzle and a process for gas-assisted injection molding |
US5881509A (en) * | 1995-11-23 | 1999-03-16 | Inafuku Construction Co., Ltd. | Spiral staircase and connecting metals for spiral staircase |
US5865077A (en) * | 1996-09-27 | 1999-02-02 | Zoo Plastix Llc | Floating, non-conductive hand tools |
US5787959A (en) * | 1996-12-02 | 1998-08-04 | General Motors Corporation | Gas-assisted molding of thixotropic semi-solid metal alloy |
DE19754006A1 (de) * | 1997-12-05 | 1999-06-10 | Ver Foerderung Inst Kunststoff | Verfahren und Vorrichtungen zur Herstellung von Öffnungen zu nach der Gasinjektionstechnik hergestellten Hohlräumen in Kunststoff-Formteilen |
US5975601A (en) * | 1998-04-22 | 1999-11-02 | O. Ames Co. | One-piece hand-held gardening tool |
TW361358U (en) | 1998-05-08 | 1999-06-11 | Ind Tech Res Inst | Air injection mold structure with air injection installation of the air assisted extruding equipment |
US6099284A (en) * | 1998-07-13 | 2000-08-08 | Green Tokai, Co., Ltd. | Pressure-activated gas injection valve for an injection molding apparatus |
US6216609B1 (en) | 1998-09-15 | 2001-04-17 | Menasha Corporation | Structural channel pallet |
US6357366B1 (en) | 1999-02-05 | 2002-03-19 | Menasha Corporation | Rackable molded pallet |
US6280175B1 (en) | 1999-05-12 | 2001-08-28 | Toyo Tire & Rubber Co., Ltd. | Nozzle for injection molding rubber products |
GB2389069B (en) * | 1999-07-17 | 2004-05-12 | Univ Warwick | Gas injection moulding method and apparatus |
US6767487B2 (en) | 2001-07-10 | 2004-07-27 | Cinpres Gas Injection Ltd. | Plastic expulsion process |
US20040156945A1 (en) * | 2003-02-10 | 2004-08-12 | Jae-Dong Yoon | Injection mold, molding system having injection mold, method thereof and molded product |
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 |
US20090116183A1 (en) * | 2007-11-01 | 2009-05-07 | Dell Products L.P. | Gas Assisted Thixotropic Molded Chassis For Cooling A Computer Chassis |
US8105529B1 (en) * | 2011-01-20 | 2012-01-31 | Bi Group Services Ltd | Heated injection molding system and method |
US20140338782A1 (en) | 2011-12-07 | 2014-11-20 | Teklas Kaucuk Sanayi Ve Ticaret A.S. | Manufacturing method for bellow pipes |
US11007687B2 (en) | 2017-10-02 | 2021-05-18 | Legacy Foam Llc | Polyurethane injection system and method |
CN113733392A (zh) * | 2021-08-04 | 2021-12-03 | 夏保胜 | 一种预排气式塑料制品注塑工艺 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2105704A (en) * | 1933-08-25 | 1938-01-18 | Gen Motors Corp | Method of making hollow bodies |
US2331688A (en) * | 1938-05-13 | 1943-10-12 | Hartford Empire Co | Method and apparatus for making hollow articles of plastic mateterial |
US3366993A (en) * | 1958-05-09 | 1968-02-06 | Jerome H Lemelson | Apparatus for molding |
US3021559A (en) * | 1958-07-31 | 1962-02-20 | Shipton & Company Ltd E | Method of and apparatus for the manufacture of hollow plastic articles |
LU41208A1 (de) * | 1961-03-27 | 1962-04-06 | ||
US3114931A (en) * | 1961-10-17 | 1963-12-24 | Ideal Toy Corp | Internal air cooling of blow molded articles |
GB945234A (en) * | 1962-04-06 | 1963-12-23 | Lavorazione Mat Plastiche Sas | Machine for manufacturing bottles or similar hollow articles from thermoplastic materials |
OA00221A (fr) * | 1963-11-21 | 1966-03-15 | Settembrini Antoine Di | Machine pour la fabrication de récipients en matières plastiques. |
US3378612A (en) * | 1964-01-07 | 1968-04-16 | Fmc Corp | Method of making foamed articles |
GB1106567A (en) * | 1965-03-09 | 1968-03-20 | Techs Inc | Improvements in method and apparatus for forming hollow plastic articles |
US3358062A (en) * | 1965-06-16 | 1967-12-12 | Jerome H Lemelson | Molding method for making sealed articles |
DE1479494C3 (de) * | 1965-10-30 | 1973-12-20 | Johannes 5201 Menden Mehnert | Verfahren zur Erzeugung von min destens einer Öffnung an Hohlkörpern aus Kuststoff |
US3575949A (en) * | 1969-05-05 | 1971-04-20 | Polypump Curacao Nv | Method for in-mold tube formation |
DE2032976C3 (de) * | 1970-07-03 | 1975-10-02 | Schmalbach-Lubeca Gmbh, 3300 Braunschweig | Verfahren und Vorrichtung zum Abtrennen von durch das Hohlkörper-Blasverfahren bedingten, mit dem erzeugten Hohlkörper zwangsläufig zusammenhängenden Elementen |
DE2106546A1 (de) * | 1971-02-11 | 1972-08-17 | Mohrbach E | Verfahren und Vorrichtung zum Spritz gießen von Gegenstanden aus Kunststoff |
US3793415A (en) * | 1971-11-16 | 1974-02-19 | Ici Ltd | Injection molded resin articles having a foamed resin core |
US3873661A (en) * | 1972-01-17 | 1975-03-25 | Owens Illinois Inc | Method of blow molding and exhausting a blown article through the same blow needle |
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 |
US3899278A (en) * | 1973-12-17 | 1975-08-12 | American Cyanamid Co | Blow molding apparatus |
IT1027943B (it) * | 1973-12-28 | 1978-12-20 | Asahi Dow Ltd | Metodo di produzione di articoli sagonati da materiali di resina sintetica |
US4129635A (en) * | 1973-12-28 | 1978-12-12 | Asahi-Dow Limited | Method for producing foamed moldings from synthetic resin materials |
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 |
DD123067A1 (de) * | 1975-12-15 | 1976-11-20 | ||
US4201742A (en) * | 1976-07-09 | 1980-05-06 | Ex-Cell-O Corporation | Method and apparatus for injection molding foamed resin products having a smooth finish on their surface |
US4136220A (en) * | 1976-07-14 | 1979-01-23 | Union Carbide Corporation | Process for the molding of plastic structural web and the resulting articles |
US4070429A (en) * | 1976-10-26 | 1978-01-24 | Owens-Illinois, Inc. | Method for forming a blown plastic container |
JPS59383B2 (ja) * | 1977-01-05 | 1984-01-06 | 旭化成株式会社 | 型物の成形法 |
JPS54123173A (en) * | 1978-03-18 | 1979-09-25 | Asahi Chem Ind Co Ltd | Method of monitoring molding process for hollow or foamed shapes |
US4247515A (en) * | 1978-08-23 | 1981-01-27 | Union Carbide Corporation | Process for molding of plastic structural web articles |
US4234642A (en) * | 1978-12-08 | 1980-11-18 | Union Carbide Corporation | Molded plastic structural web articles |
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 |
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 |
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 |
GB2124968B (en) * | 1982-08-06 | 1985-11-13 | Mouldmaking Design Centre Limi | Removing sprues from mouldings |
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 |
GB2158002B (en) * | 1984-05-04 | 1987-06-17 | Peerless Foam Moulding Co | Injection moulding |
GB8706204D0 (en) * | 1987-03-16 | 1987-04-23 | Peerless Cinpres Ltd | Injection moulding apparatus |
-
1987
- 1987-09-25 GB GB878722620A patent/GB8722620D0/en active Pending
-
1988
- 1988-09-22 JP JP63236632A patent/JP2554529B2/ja not_active Expired - Lifetime
- 1988-09-23 AT AT88308827T patent/ATE77292T1/de active
- 1988-09-23 US US07/248,539 patent/US4923667A/en not_active Expired - Lifetime
- 1988-09-23 DE DE8888308827T patent/DE3872132T2/de not_active Expired - Lifetime
- 1988-09-23 EP EP88308827A patent/EP0309257B1/de not_active Expired - Lifetime
- 1988-09-23 GB GB8822436A patent/GB2210578B/en not_active Expired - Fee Related
- 1988-09-24 KR KR1019880012398A patent/KR960015296B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960015296B1 (ko) | 1996-11-07 |
GB2210578A (en) | 1989-06-14 |
EP0309257A2 (de) | 1989-03-29 |
KR890004847A (ko) | 1989-05-10 |
DE3872132T2 (de) | 1993-01-28 |
GB2210578B (en) | 1990-10-24 |
EP0309257A3 (en) | 1989-10-18 |
US4923667A (en) | 1990-05-08 |
DE3872132D1 (de) | 1992-07-23 |
GB8722620D0 (en) | 1987-11-04 |
JPH01154718A (ja) | 1989-06-16 |
GB8822436D0 (en) | 1988-10-26 |
JP2554529B2 (ja) | 1996-11-13 |
EP0309257B1 (de) | 1992-06-17 |
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