IT1017629B - Processo e apparecchiatura per stampaggio a iniezione di un ar ticolo avente una struttura a san dwich - Google Patents

Processo e apparecchiatura per stampaggio a iniezione di un ar ticolo avente una struttura a san dwich

Info

Publication number
IT1017629B
IT1017629B IT7423113A IT2311374A IT1017629B IT 1017629 B IT1017629 B IT 1017629B IT 7423113 A IT7423113 A IT 7423113A IT 2311374 A IT2311374 A IT 2311374A IT 1017629 B IT1017629 B IT 1017629B
Authority
IT
Italy
Prior art keywords
dwich
ticle
san
equipment
injection molding
Prior art date
Application number
IT7423113A
Other languages
English (en)
Original Assignee
Asahi Dow 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
Priority claimed from JP5870673A external-priority patent/JPS508854A/ja
Priority claimed from JP48059331A external-priority patent/JPS5249817B2/ja
Priority claimed from JP6829973A external-priority patent/JPS536673B2/ja
Priority claimed from JP13428473A external-priority patent/JPS5653497B2/ja
Priority claimed from JP1201374A external-priority patent/JPS5625374B2/ja
Priority claimed from JP4206074A external-priority patent/JPS5646976B2/ja
Application filed by Asahi Dow Ltd filed Critical Asahi Dow Ltd
Application granted granted Critical
Publication of IT1017629B publication Critical patent/IT1017629B/it

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
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1645—Injecting skin and core materials from the same injection cylinder, e.g. mono-sandwich moulding
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam

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)
IT7423113A 1973-05-28 1974-05-22 Processo e apparecchiatura per stampaggio a iniezione di un ar ticolo avente una struttura a san dwich IT1017629B (it)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP5870673A JPS508854A (it) 1973-05-28 1973-05-28
JP48059331A JPS5249817B2 (it) 1973-05-29 1973-05-29
JP6829973A JPS536673B2 (it) 1973-06-19 1973-06-19
JP13428473A JPS5653497B2 (it) 1973-12-03 1973-12-03
JP1201374A JPS5625374B2 (it) 1974-01-29 1974-01-29
JP4206074A JPS5646976B2 (it) 1974-04-15 1974-04-15

Publications (1)

Publication Number Publication Date
IT1017629B true IT1017629B (it) 1977-08-10

Family

ID=27548380

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7423113A IT1017629B (it) 1973-05-28 1974-05-22 Processo e apparecchiatura per stampaggio a iniezione di un ar ticolo avente una struttura a san dwich

Country Status (3)

Country Link
US (1) US3966372A (it)
GB (1) GB1441053A (it)
IT (1) IT1017629B (it)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59383B2 (ja) * 1977-01-05 1984-01-06 旭化成株式会社 型物の成形法
US4133858A (en) * 1977-12-14 1979-01-09 Usm Corporation Injection foam molding process
US4273525A (en) * 1978-01-19 1981-06-16 Incoe Corporation Injection mold bushing
JPS57500277A (it) * 1980-02-29 1982-02-18
FR2486864A1 (fr) * 1980-07-21 1982-01-22 Pont A Mousson Procede de moulage par injection de pieces revetues en matiere plastique et dispositif destine a sa mise en oeuvre
US4457511A (en) * 1982-03-15 1984-07-03 William Witkowski Plastic bowling pin and method of making the same
US4470936A (en) * 1982-09-29 1984-09-11 Owens-Illinois, Inc. Method and apparatus for coinjecting two thermoplastic materials
US4507255A (en) * 1983-03-30 1985-03-26 Orion Kasei Kabushiki Kaisha Process and apparatus for injection-molding foamed article
GB2139548B (en) * 1983-05-11 1986-11-19 James Watson Hendry Injection moulding
GB8616460D0 (en) * 1986-07-05 1986-08-13 Metal Box Plc Manufacture of articles
US4781554A (en) * 1987-07-09 1988-11-01 Michael Ladney Apparatus for the injection molding of thermoplastics
US5032345A (en) * 1987-07-09 1991-07-16 Michael Ladney Method of injection molding with pressurized-fluid assist and variable-volume reservoir
US4855094A (en) * 1987-09-21 1989-08-08 Michael Ladney Method for the injection molding of plastic articles using fluid pressure
US4943407A (en) * 1987-09-21 1990-07-24 Michael Ladney Method of and apparatus for injection molding with pressurized fluid assist
US5318433A (en) * 1987-12-16 1994-06-07 Melea Limited System for localized fluid-assisted injection molding
US5069859A (en) * 1987-12-16 1991-12-03 Milad Limited Partnership Method of injection molding with pressurized-fluid assist
US4942006A (en) * 1988-12-01 1990-07-17 Michael Ladney Method of and apparatus for injection molding with pressurized-fluid assist
US4913644A (en) * 1988-04-15 1990-04-03 Michael Ladney System for making a hollow-shaped body from molten resin by injection molding
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
US5066214A (en) * 1988-11-02 1991-11-19 Encore Molding Systems, Inc. Injection molding apparatus
AT402485B (de) * 1989-08-22 1997-05-26 Battenfeld Gmbh Spritzkopf zum spritzgiessen von kunststoff nach dem injektionsverfahren
US5799385A (en) * 1991-12-10 1998-09-01 Commer S.P.A. Process for the manufacture of trim panels for motorvehicles
GB2300587B (en) * 1992-09-24 1997-04-30 Fuller H B Co Coated Substrates
US5464585A (en) * 1994-01-03 1995-11-07 Metton America, Inc. Method of injection molding articles with selective concentrations or gradients of materials
US6287491B1 (en) * 1996-11-28 2001-09-11 Rafael Zvi Karl Kilim Moulding plastics article by varying cyclically its composition
US6053720A (en) * 1997-09-22 2000-04-25 Larry J. Winget Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein
US5972258A (en) * 1997-10-20 1999-10-26 Husky Injection Molding Systems Ltd. Method of using a multiple gating nozzle
WO2001064419A1 (en) * 2000-02-29 2001-09-07 Bemis Manufacturing Company Co-injection apparatus for injection molding
US6627134B2 (en) 2000-09-05 2003-09-30 Community Enterprises, Llc Apparatus for molding multilayered articles
CA2364050A1 (en) * 2000-11-30 2002-05-30 Bemis Manufacturing Company Co-injection methods using endothermic-blowing agents and products made therefrom
US6767487B2 (en) * 2001-07-10 2004-07-27 Cinpres Gas Injection Ltd. Plastic expulsion process
AU2002321322A1 (en) * 2002-06-07 2003-12-22 Grupo Antolin-Ingeniera, S.A. Sun visor
US6855280B2 (en) * 2002-11-27 2005-02-15 Lear Corporation Method for injection molding of plastic materials using gas holding pressure in mold
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
DE102005051081A1 (de) * 2004-10-27 2006-05-04 Sumitomo Chemical Co., Ltd. Verfahren zum Herstellen eines Schaumstoffartikels
US7686604B2 (en) * 2004-12-20 2010-03-30 Mgs Mfg. Group, Inc. Coaxial injector screw providing improved small shot metering
TW200821125A (en) * 2006-08-23 2008-05-16 Sulzer Chemtech Ag A metering device
US20090273126A1 (en) * 2008-05-01 2009-11-05 Krueger International, Inc. Method and Apparatus of Gas-Assisted Injection Molding of Thick Parts
DE102008049627A1 (de) * 2008-09-30 2010-04-08 Mann + Hummel Gmbh Verfahren zum Herstellen einer Filterendscheibe und eines Fluidfilters, Kraftfahrzeugfluidfilter
JP4737295B2 (ja) * 2009-01-19 2011-07-27 マツダ株式会社 発泡樹脂成形品の成形方法及び成形装置
US9636852B2 (en) * 2011-05-20 2017-05-02 Ube Machinery Corporation, Ltd. Injection molding method
KR102415263B1 (ko) * 2016-08-24 2022-06-29 주식회사 엘지화학 공사출용 러너
JP6981902B2 (ja) * 2018-03-15 2021-12-17 トヨタ自動車株式会社 樹脂シール部材、及び樹脂シール部材の製造方法
WO2020061539A1 (en) * 2018-09-21 2020-03-26 Nike, Inc. Molding system and method
CN110303636B (zh) * 2019-07-16 2024-08-30 浙江华塑机械有限公司 一种环保烟花筒专用注塑机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097396A (en) * 1963-07-16 Injection molding machine for plastics
US2418856A (en) * 1939-06-20 1947-04-15 French Oil Mill Machinery Method of and apparatus for injection molding
US2804649A (en) * 1955-05-31 1957-09-03 Hupfield Brian John Desmond Plastic moulding machines
FR1290262A (fr) * 1961-03-01 1962-04-13 Perfectionnements aux machines d'injection pour matières plastiques
US3339240A (en) * 1965-07-29 1967-09-05 Nat Distillers Chem Corp Apparatus for laminar injection molding
US3398436A (en) * 1966-03-22 1968-08-27 Inv S Finance Corp Automatic regulator valve for injection moulding
US3436793A (en) * 1966-08-19 1969-04-08 Trueblood Inc Injection molding machine
US3894823A (en) * 1971-09-07 1975-07-15 Robert Hanning Apparatus for injection molding of parts of synthetic material

Also Published As

Publication number Publication date
US3966372A (en) 1976-06-29
DE2425627A1 (de) 1974-12-12
DE2425627B2 (de) 1977-06-16
GB1441053A (en) 1976-06-30

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