CA1284412C - Tri-injection of hollow articles - Google Patents
Tri-injection of hollow articlesInfo
- Publication number
- CA1284412C CA1284412C CA000567048A CA567048A CA1284412C CA 1284412 C CA1284412 C CA 1284412C CA 000567048 A CA000567048 A CA 000567048A CA 567048 A CA567048 A CA 567048A CA 1284412 C CA1284412 C CA 1284412C
- Authority
- CA
- Canada
- Prior art keywords
- nozzle
- mold cavity
- materials
- source
- hot runner
- 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
Links
- 238000002347 injection Methods 0.000 title abstract description 21
- 239000007924 injection Substances 0.000 title abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 18
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 8
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 description 54
- 239000011347 resin Substances 0.000 description 54
- 229920000139 polyethylene terephthalate Polymers 0.000 description 21
- 239000005020 polyethylene terephthalate Substances 0.000 description 21
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 19
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 18
- -1 polyethylene terephthalate Polymers 0.000 description 7
- 239000000945 filler Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 101150055539 HADH gene Proteins 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000002226 simultaneous effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
- B29C45/1643—Making multilayered or multicoloured articles having a "sandwich" structure from at least three different materials or with at least four layers
-
- 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
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould 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
- B29C45/16—Making multilayered or multicoloured 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1603—Multi-way nozzles specially adapted therefor
- B29C45/1607—Multi-way nozzles specially adapted therefor having at least three different ways
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1603—Multi-way nozzles specially adapted therefor
- B29C2045/1609—Multi-way nozzles specially adapted therefor having independent heating or cooling means for each way
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
- B29C2045/1656—Injecting the skin material through the central passage of the multiway nozzle
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)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US050,680 | 1987-05-18 | ||
| US07/050,680 US4808101A (en) | 1986-05-12 | 1987-05-18 | Tri-injection of hollow articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1284412C true CA1284412C (en) | 1991-05-28 |
Family
ID=21966730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000567048A Expired - Lifetime CA1284412C (en) | 1987-05-18 | 1988-05-17 | Tri-injection of hollow articles |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4808101A (enExample) |
| EP (1) | EP0291640B1 (enExample) |
| JP (1) | JPS63309417A (enExample) |
| AT (1) | ATE108721T1 (enExample) |
| AU (1) | AU587361B2 (enExample) |
| BR (1) | BR8802149A (enExample) |
| CA (1) | CA1284412C (enExample) |
| DE (1) | DE3850704T2 (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131830A (en) * | 1987-10-30 | 1992-07-21 | Nissei Asb Machine Co., Ltd. | Multi-layer molding nozzle |
| JPH0649318B2 (ja) * | 1988-01-30 | 1994-06-29 | 東洋製罐株式会社 | 複合合成樹脂押出用ノズル装置 |
| US5162121A (en) * | 1988-01-30 | 1992-11-10 | Toyo Seikan Kaisha, Ltd. | Apparatus for extruding multiple synthetic resins |
| US5049345A (en) * | 1988-11-01 | 1991-09-17 | Continental Pet Technologies, Inc. | Method of forming a multi-layer preform |
| US4954376A (en) * | 1988-12-30 | 1990-09-04 | Continental Pet Technologies, Inc. | Two material three/five layer preform |
| US5032341A (en) * | 1988-12-30 | 1991-07-16 | Continental Pet Technologies, Inc. | Method of forming two material three/five layer preform |
| US4950143A (en) * | 1989-01-03 | 1990-08-21 | Continental Pet Technologies, Inc. | Injection mold manifold arrangement |
| DE3912426A1 (de) * | 1989-04-12 | 1990-10-18 | Mannesmann Ag | Verfahren und vorrichtung zum herstellen von mehrkomponentenspritzgiessteilen |
| US5192555A (en) * | 1990-02-16 | 1993-03-09 | Husky Injection Molding Systems Ltd. | Apparatus for molding plastic articles |
| US5260012A (en) * | 1990-02-16 | 1993-11-09 | Husky Injection Molding Systems Ltd. | Molding plastic articles |
| JPH0753394B2 (ja) * | 1990-07-16 | 1995-06-07 | 日精エー・エス・ビー機械株式会社 | 多層成形用ホットランナー金型 |
| US5223275A (en) * | 1990-10-12 | 1993-06-29 | Gellert Jobst U | Multi-cavity injection moulding system |
| DE4032509C2 (de) * | 1990-10-12 | 1993-10-21 | Gellert Jobst U | Spritzgießdüse für eine Spritzgießeinrichtung |
| DE4032500C2 (de) * | 1990-10-12 | 1994-12-08 | Gellert Jobst U | Verfahren zur Herstellung eines Mehrkomponenten-Spritzgießteiles und Mehrfachform-Spritzgießeinrichtung |
| DE4041799C2 (de) * | 1990-12-24 | 1993-12-23 | Kloeckner Ferromatik Desma | Vorrichtung zum Spritzgießen von Sandwichteilen und Vorrichtung zur Durchführung des Verfahrens |
| US5143733A (en) * | 1991-04-19 | 1992-09-01 | Husky Injection Molding Systems Ltd. | Injection molding apparatus |
| US5799385A (en) * | 1991-12-10 | 1998-09-01 | Commer S.P.A. | Process for the manufacture of trim panels for motorvehicles |
| EP0624449A3 (en) * | 1993-05-13 | 1994-12-28 | Husky Injection Molding | Process for molding plastic articles. |
| JP3358277B2 (ja) | 1994-03-28 | 2002-12-16 | 住友化学工業株式会社 | 多層成形体の製造方法 |
| US5650178A (en) * | 1994-11-23 | 1997-07-22 | Bemis Manufacturing Company | Co-injection manifold for injection molding |
| US5601773A (en) * | 1995-05-12 | 1997-02-11 | Cincinnati Milacron Inc. | Co-injection machine |
| US6056536A (en) * | 1997-03-20 | 2000-05-02 | Husky Injection Molding Systems Ltd. | Valve gating apparatus for injection molding |
| US5922363A (en) * | 1997-04-07 | 1999-07-13 | Dtl Technology Limited Partnership | Molding multi-layered articles using coinjection techniques |
| US5971735A (en) * | 1997-04-09 | 1999-10-26 | Dtl Technology Limited Partnership | Coinjection molding or multi-layer articles |
| US6464909B1 (en) * | 1998-04-21 | 2002-10-15 | Synventive Molding Solutions, Inc. | Manifold system having flow control |
| US6062840A (en) * | 1997-09-02 | 2000-05-16 | Dynisco Hotrunners, Inc. | Hot runner system for coinjection molding |
| AT2516U1 (de) * | 1997-07-30 | 1998-12-28 | Engel Gmbh Maschbau | Verfahren zum spritzgiessen von gegenständen |
| US5833899A (en) * | 1997-09-23 | 1998-11-10 | Wunderlich; Ernst Dieter | Method for the preparation of method articles by single and multi-layer compression and apparatus therefor |
| CA2219257C (en) * | 1997-10-23 | 2005-05-31 | Mold-Masters Limited | Sprue gated five layer injection molding apparatus |
| CA2219235C (en) * | 1997-10-23 | 2006-12-12 | Mold-Masters Limited | Five layer injection molding apparatus having four position valve member actuating mechanism |
| CA2219247C (en) * | 1997-10-23 | 2006-12-05 | Mold-Masters Limited | Injection molding apparatus having a melt bore through the front end of the pin |
| CH692573A5 (de) * | 1997-11-04 | 2002-08-15 | Otto Hofstetter Ag Werkzeug Un | Verfahren zur Herstellung von mehrschichtigen Vorformlingen. |
| US6382946B1 (en) | 1998-04-01 | 2002-05-07 | Dtl Technology Limited Partnership | Molding multi-layered articles using coinjection techniques |
| US6524089B1 (en) * | 1998-05-29 | 2003-02-25 | Pechiney Emballage Flexible Europe | Multilayer injection nozzle assembly |
| US6655945B1 (en) | 1999-03-18 | 2003-12-02 | Mold Masters Limited | Apparatus and method for multi-layer injection molding |
| US6440350B1 (en) | 1999-03-18 | 2002-08-27 | Mold-Masters Limited | Apparatus and method for multi-layer injection molding |
| US6398537B2 (en) | 1999-04-02 | 2002-06-04 | Mold-Masters Limited | Shuttle system for an apparatus for injection molding |
| US6196826B1 (en) | 1999-05-28 | 2001-03-06 | Mold-Masters Limited | Seepage system for an injection molding apparatus |
| DE19960494A1 (de) * | 1999-12-15 | 2001-06-21 | Knoll Ag | Vorrichtung und Verfahren zum Herstellen von festen wirkstoffhaltigen Formen |
| AU2001238716A1 (en) * | 2000-02-29 | 2001-09-12 | Bemis Manufacturing Company | Co-injection apparatus for injection molding |
| US6964748B2 (en) * | 2000-11-30 | 2005-11-15 | Bemis Manufacturing Company | Co-injection methods using endothermic-blowing agents and products made therefrom |
| US7559756B2 (en) * | 2004-06-30 | 2009-07-14 | Husky Injection Molding Systems, Ltd. | Apparatus and method for actuation of injection molding shooting pots |
| DE102005035803B4 (de) * | 2005-07-27 | 2010-11-25 | A & E Applikation Und Entwicklung Gmbh | Vorrichtung zum Herstellen von Mehrkomponenten-Spritzgießteilen |
| US7216450B2 (en) | 2005-10-17 | 2007-05-15 | Dov Pikielny | Frame assembly of handgun with different hardnesses |
| US7390184B2 (en) * | 2005-11-09 | 2008-06-24 | Centoco Plastics Limited | Dual injection manifold |
| US7458795B2 (en) * | 2006-02-24 | 2008-12-02 | Incoe Corporation | Co-injection nozzle assembly |
| DE102006040182A1 (de) * | 2006-08-26 | 2008-03-06 | Mht Mold & Hotrunner Technology Ag | Verfahren zur Herstellung eines mehrschichtigen Vorformlings sowie Düse hierfür |
| US20080093772A1 (en) * | 2006-10-06 | 2008-04-24 | Graham Packing Company, Lp | Method and apparatus for delivering sequential shots to multiple cavities to form multilayer articles |
| US10422503B2 (en) | 2009-10-30 | 2019-09-24 | Ideal Industries Lighting Llc | One-piece multi-lens optical member and method of manufacture |
| US9915409B2 (en) | 2015-02-19 | 2018-03-13 | Cree, Inc. | Lens with textured surface facilitating light diffusion |
| US10400984B2 (en) | 2013-03-15 | 2019-09-03 | Cree, Inc. | LED light fixture and unitary optic member therefor |
| US9920901B2 (en) | 2013-03-15 | 2018-03-20 | Cree, Inc. | LED lensing arrangement |
| US10207440B2 (en) | 2014-10-07 | 2019-02-19 | Cree, Inc. | Apparatus and method for formation of multi-region articles |
| US9470394B2 (en) | 2014-11-24 | 2016-10-18 | Cree, Inc. | LED light fixture including optical member with in-situ-formed gasket and method of manufacture |
| US11298861B2 (en) | 2017-11-21 | 2022-04-12 | Silgan Specialty Packaging Llc | Multi-layer injection molded container |
| US12420466B2 (en) | 2019-09-19 | 2025-09-23 | Husky Injection Molding Systems Ltd. | Apparatus and method for coinjection of a multilayer molded article with a segmented internal layer |
| US12304126B2 (en) | 2020-07-29 | 2025-05-20 | Husky Injection Molding Systems Ltd. | Method of improving shot repeatability in multilayer reciprocating screw injection molding machines |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2507727A1 (de) * | 1975-02-22 | 1976-09-02 | Bayer Ag | Vorrichtung zum dosieren und mischen von fliessfaehigen reaktionskomponenten |
| JPS56106839A (en) * | 1979-12-28 | 1981-08-25 | Toppan Printing Co Ltd | Manufacture of transparent vessel |
| JPS5732945A (en) * | 1980-08-05 | 1982-02-22 | Matsushita Electric Works Ltd | Manufacture of copper lined polyester laminated board |
| AU4949485A (en) * | 1981-02-26 | 1986-05-01 | American Can Co. | Making a multi-layer injection blow molded container |
| JPS5952059A (ja) * | 1982-09-18 | 1984-03-26 | 本橋 良一 | 折板屋根の二重葺替屋根 |
| JPS5981152A (ja) * | 1982-11-01 | 1984-05-10 | Jiyuuou Shoji Kk | ホツトランナ−射出成形システム |
| US4518344A (en) * | 1983-04-13 | 1985-05-21 | American Can Company | Methods and apparatus for maintaining a pressure contact seal between nozzles and cavities of an on-line injection molding machine |
| JPS60240409A (ja) * | 1984-05-15 | 1985-11-29 | Mitsubishi Gas Chem Co Inc | 多層パリソンの製造方法 |
| US4657496A (en) * | 1984-06-04 | 1987-04-14 | Gifu Husky Co., Ltd. | Hot-runner mold for injection molding |
| JPS613716A (ja) * | 1984-06-18 | 1986-01-09 | Canon Inc | 射出成形法及びその金型 |
| JPS6137404A (ja) * | 1984-07-31 | 1986-02-22 | Nissei Ee S B Kikai Kk | 多層有底パリソンの射出成形方法 |
| US4701292A (en) * | 1984-09-13 | 1987-10-20 | Husky Injection Molding Systems Ltd. | Method for pressure molding objects of different resins |
| JPS61108521A (ja) * | 1984-10-31 | 1986-05-27 | Meiki Co Ltd | 複数層成形用射出成形装置 |
| US4717324A (en) * | 1986-05-12 | 1988-01-05 | Husky Injection Molding Systems, Inc. | Coinjection of hollow articles and preforms |
-
1987
- 1987-05-18 US US07/050,680 patent/US4808101A/en not_active Expired - Lifetime
-
1988
- 1988-02-22 AT AT88102531T patent/ATE108721T1/de not_active IP Right Cessation
- 1988-02-22 DE DE3850704T patent/DE3850704T2/de not_active Expired - Lifetime
- 1988-02-22 EP EP88102531A patent/EP0291640B1/en not_active Expired - Lifetime
- 1988-05-03 BR BR8802149A patent/BR8802149A/pt not_active IP Right Cessation
- 1988-05-17 AU AU16338/88A patent/AU587361B2/en not_active Expired
- 1988-05-17 CA CA000567048A patent/CA1284412C/en not_active Expired - Lifetime
- 1988-05-18 JP JP63121678A patent/JPS63309417A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3850704T2 (de) | 1994-12-08 |
| EP0291640A2 (en) | 1988-11-23 |
| DE3850704D1 (de) | 1994-08-25 |
| JPS63309417A (ja) | 1988-12-16 |
| AU1633888A (en) | 1989-02-16 |
| EP0291640A3 (en) | 1991-01-23 |
| US4808101A (en) | 1989-02-28 |
| EP0291640B1 (en) | 1994-07-20 |
| ATE108721T1 (de) | 1994-08-15 |
| JPH0511733B2 (enExample) | 1993-02-16 |
| BR8802149A (pt) | 1988-12-06 |
| AU587361B2 (en) | 1989-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |