JPH0549449B2 - - Google Patents

Info

Publication number
JPH0549449B2
JPH0549449B2 JP90118674A JP11867490A JPH0549449B2 JP H0549449 B2 JPH0549449 B2 JP H0549449B2 JP 90118674 A JP90118674 A JP 90118674A JP 11867490 A JP11867490 A JP 11867490A JP H0549449 B2 JPH0549449 B2 JP H0549449B2
Authority
JP
Japan
Prior art keywords
torpedo
hole
injection
injection head
tip
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
JP90118674A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03272821A (ja
Inventor
Mitsuaki Yamachika
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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
Application filed by Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP2118674A priority Critical patent/JPH03272821A/ja
Priority to DE4103318A priority patent/DE4103318C2/de
Priority to US07/651,026 priority patent/US5125817A/en
Publication of JPH03272821A publication Critical patent/JPH03272821A/ja
Publication of JPH0549449B2 publication Critical patent/JPH0549449B2/ja
Granted 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1603—Multi-way nozzles specially adapted therefor
    • 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
    • B29C2045/161—Multi-way nozzles specially adapted therefor using a hollow needle valve through which one material is injected

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP2118674A 1990-02-05 1990-05-10 射出ヘッド Granted JPH03272821A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2118674A JPH03272821A (ja) 1990-02-05 1990-05-10 射出ヘッド
DE4103318A DE4103318C2 (de) 1990-02-05 1991-02-04 Spritzkopf
US07/651,026 US5125817A (en) 1990-02-05 1991-02-05 Injection head

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2-24392 1990-02-05
JP2439290 1990-02-05
JP2118674A JPH03272821A (ja) 1990-02-05 1990-05-10 射出ヘッド

Publications (2)

Publication Number Publication Date
JPH03272821A JPH03272821A (ja) 1991-12-04
JPH0549449B2 true JPH0549449B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-26

Family

ID=26361891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2118674A Granted JPH03272821A (ja) 1990-02-05 1990-05-10 射出ヘッド

Country Status (3)

Country Link
US (1) US5125817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH03272821A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4103318C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204015C2 (de) * 1992-02-12 1994-06-23 Helmut Gottwald Spritzdüse für eine thermoplastische Masse
DK0657268T3 (da) * 1993-11-05 1999-11-29 Battenfeld Gmbh Fremgangsmåde og anordning til sprøjtestøbning af flerlagede genstande
JP2704599B2 (ja) * 1993-12-20 1998-01-26 日精樹脂工業株式会社 多層成形方法
CA2156592C (en) * 1994-08-22 1999-10-19 Atsushi Takeuchi Bumper made of synthetic resin for automobile, and process for producing the same
US5650178A (en) * 1994-11-23 1997-07-22 Bemis Manufacturing Company Co-injection manifold for injection molding
JP2832692B2 (ja) * 1995-11-02 1998-12-09 本田技研工業株式会社 自動車用バンパの製造方法
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
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
AU2001238716A1 (en) * 2000-02-29 2001-09-12 Bemis Manufacturing Company Co-injection apparatus for injection molding
IT1320083B1 (it) * 2000-11-17 2003-11-18 Ocme Srl Ugello di riempimento di due prodotti liquidi e/o gassosi per macchineriempitrici.
CA2364050A1 (en) * 2000-11-30 2002-05-30 Bemis Manufacturing Company Co-injection methods using endothermic-blowing agents and products made therefrom
US7168943B2 (en) * 2003-08-29 2007-01-30 Mold-Masters Limited Guided valve pin for an injection molding apparatus
US7559756B2 (en) * 2004-06-30 2009-07-14 Husky Injection Molding Systems, Ltd. Apparatus and method for actuation of injection molding shooting pots
US7390184B2 (en) * 2005-11-09 2008-06-24 Centoco Plastics Limited Dual injection manifold
EP1867457B1 (en) 2006-06-16 2014-05-14 Mold-Masters (2007) Limited Open loop pressure control for injection molding
US7527490B2 (en) * 2006-10-13 2009-05-05 Mold-Masters (2007) Limited Coinjection molding apparatus and related hot-runner nozzle
EP1935607B1 (en) * 2006-12-21 2014-06-18 Mold-Masters (2007) Limited Valve for coinjection molding apparatus
US7513772B2 (en) * 2007-05-09 2009-04-07 Mold-Masters (2007) Limited Injection molding nozzle with valve pin alignment
DE102016213439A1 (de) * 2016-07-22 2018-01-25 Robert Bosch Gmbh Extruder für 3D-Drucker mit variablem Materialdurchsatz

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2259818C3 (de) * 1972-12-07 1978-05-18 Schloemann-Siemag Ag, 4000 Duesseldorf Spritzgießvorrichtung zum Herstellen eines Formkörpers mit einem Kern aus geschäumtem und einer Außenhaut aus ungeschäumten thermoplastischem Kunststoff
CH566207A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-12-07 1975-09-15 Siemag Siegener Masch Bau
DE2346135C2 (de) * 1973-09-13 1982-11-04 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Verfahren und Vorrichtung zum Spritzgießen von Kunststofformkörpern, die aus einer Füllschicht aus einem thermoplastischen Kunststoff und aus einer diese einschließenden Deckschicht aus einem anderen thermoplastischen Kunststoff bestehen
US4117955A (en) * 1977-04-13 1978-10-03 Beloit Corporation Multi-port valved nozzle for co-injection molding
US4601870A (en) * 1983-04-27 1986-07-22 M.C.L. Co., Ltd. Injection molding process
JPS6059129B2 (ja) * 1983-05-28 1985-12-24 株式会社名機製作所 多層成形体の射出成形機
US4717324A (en) * 1986-05-12 1988-01-05 Husky Injection Molding Systems, Inc. Coinjection of hollow articles and preforms
DE3632928A1 (de) * 1986-09-27 1988-03-31 Battenfeld Maschfab Spritzkopf zum herstellen von mehrschicht-formkoerpern aus thermoplastischem kunststoffmaterial
DE3734164C3 (de) * 1987-10-09 1999-09-09 Battenfeld Gmbh Verfahren zum Spritzgießen von Formteilen aus thermoplastischen Kunststoffen sowie Vorrichtung zur Durchführung des Verfahrens
AT390758B (de) * 1988-09-19 1990-06-25 Engel Gmbh Maschbau Spritzgussduese fuer eine spritzgussmaschine
JPH0375114A (ja) * 1989-08-17 1991-03-29 Japan Steel Works Ltd:The サンドウイッチ成形用射出ヘッドのシャットオフ装置

Also Published As

Publication number Publication date
DE4103318A1 (de) 1991-08-29
DE4103318C2 (de) 1996-01-04
JPH03272821A (ja) 1991-12-04
US5125817A (en) 1992-06-30

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Legal Events

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