CA1144725A - Apparatus for runnerless injection molding thermosetting materials - Google Patents

Apparatus for runnerless injection molding thermosetting materials

Info

Publication number
CA1144725A
CA1144725A CA000342231A CA342231A CA1144725A CA 1144725 A CA1144725 A CA 1144725A CA 000342231 A CA000342231 A CA 000342231A CA 342231 A CA342231 A CA 342231A CA 1144725 A CA1144725 A CA 1144725A
Authority
CA
Canada
Prior art keywords
temperature
nozzle
closed end
feed
housing member
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
Application number
CA000342231A
Other languages
English (en)
French (fr)
Inventor
W. Andrew Dannels
Robert W. Bainbridge
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.)
Occidental Chemical Corp
Original Assignee
Occidental Chemical Corp
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 Occidental Chemical Corp filed Critical Occidental Chemical Corp
Application granted granted Critical
Publication of CA1144725A publication Critical patent/CA1144725A/en
Expired 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2735—Sprue channels ; Runner channels or runner nozzles for non-coaxial gates, e.g. for edge gates
    • 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/12—Injection moulding apparatus using two or more fixed moulds, e.g. in tandem
    • B29C45/125—Injection moulding apparatus using two or more fixed moulds, e.g. in tandem using a material distributing system
    • 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
    • B29C45/20—Injection nozzles
    • B29C45/22—Multiple nozzle systems

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
CA000342231A 1978-12-21 1979-12-19 Apparatus for runnerless injection molding thermosetting materials Expired CA1144725A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US972,181 1978-12-21
US05/972,181 US4260359A (en) 1978-12-21 1978-12-21 Apparatus for runnerless injection molding thermosetting materials

Publications (1)

Publication Number Publication Date
CA1144725A true CA1144725A (en) 1983-04-19

Family

ID=25519298

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000342231A Expired CA1144725A (en) 1978-12-21 1979-12-19 Apparatus for runnerless injection molding thermosetting materials

Country Status (5)

Country Link
US (1) US4260359A (en, 2012)
EP (1) EP0013118B1 (en, 2012)
JP (1) JPS5586728A (en, 2012)
CA (1) CA1144725A (en, 2012)
DE (1) DE2965648D1 (en, 2012)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002264A1 (de) * 1980-01-23 1981-09-17 Jetform Heißkanalnormalien und Zubehör GmbH, 5880 Lüdenscheid Spritzgiesswerkzeug mit hochleistungsangiessbuchse
US4370123A (en) * 1980-02-05 1983-01-25 Occidental Chemical Corporation Apparatus for runnerless injection compression molding of thermosetting materials
US4394117A (en) * 1981-06-10 1983-07-19 Discovision Associates Hot sprue sleeve valve assembly for an injection molding machine
US4386899A (en) * 1981-07-27 1983-06-07 Morrell Company Injector for plastic molds
US4426201A (en) 1981-09-03 1984-01-17 Zachariha Cohen Screw feed/ram injector
DE8222390U1 (de) * 1982-08-07 1982-11-18 Jetform Heißkanalnormalien und Zubehör GmbH, 5880 Lüdenscheid Heisskanalmehrfachangiessbuchse
US4443175A (en) * 1982-11-05 1984-04-17 Rose Robert H Apparatus and method for runnerless transfer molding of thermoset compounds
US4712994A (en) * 1984-07-06 1987-12-15 Asm Fico Tooling, B.V. Apparatus for cold runner transfer molding
JPS61125821A (ja) * 1984-11-26 1986-06-13 Toyoda Gosei Co Ltd 樹脂成形装置
US5096410A (en) * 1991-02-19 1992-03-17 Demetre Loulourgas Water jacketed sprue bushing
DE19601556C2 (de) * 1996-01-17 1999-08-05 Alfred Steinl Spritzgußvorrichtung für Gummi, Kautschuk oder ähnliche Werkstoffe
US6419476B1 (en) * 1998-08-25 2002-07-16 Joseph P. Ouellette Thermally insulated runner manifold and injection nozzle construction for plastic molding apparatus
US6508970B2 (en) 1999-07-15 2003-01-21 Infineon Technologies North America Corp. Liquid transfer molding system for encapsulating semiconductor integrated circuits
ITMI20010217A1 (it) * 2001-02-05 2002-08-05 R Uti R Srl Macchina per lo stampaggio ad iniezione di prodotti in gomma
CA2628504C (en) 2007-04-06 2015-05-26 Ashley Stone Device for casting
US10500774B2 (en) * 2014-11-11 2019-12-10 Sunstar Suisse S.A. Method for manufacturing interdental cleaning device
CN109641379B (zh) * 2016-09-05 2021-03-26 松下知识产权经营株式会社 冷却块及无流道注射成形装置
WO2023208749A1 (en) * 2022-04-28 2023-11-02 Lego A/S An injection molding machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1461687A (fr) 1965-10-29 1966-02-25 Kuhlmann Ets Nouveaux colorants, leurs procédés de préparation, leurs applications et produits intermédiaires utilisables pour leur fabrication
CH514428A (de) * 1969-10-31 1971-10-31 Buehler Ag Geb Doppel- oder Mehrfachdüse für Spritzgiessmaschine, insbesondere zur Verarbeitung von Duromeren und Elastomeren
US3797984A (en) * 1972-07-25 1974-03-19 J Yago Cold sprue injection molding device with integral sprue chamber and injection nozzle
JPS541501Y2 (en, 2012) * 1975-09-04 1979-01-23
US4017242A (en) * 1975-10-28 1977-04-12 The Mcdowell-Wellman Engineering Company Injection molding apparatus
JPS5340055A (en) * 1976-09-25 1978-04-12 Sumitomo Bakelite Co Method of injection molding thermosetting resin and mold device
CH624603A5 (en, 2012) 1978-01-25 1981-08-14 Bucher Guyer Ag Masch

Also Published As

Publication number Publication date
DE2965648D1 (en) 1983-07-14
US4260359A (en) 1981-04-07
EP0013118A1 (en) 1980-07-09
EP0013118B1 (en) 1983-06-08
JPS5586728A (en) 1980-06-30
JPH0337494B2 (en, 2012) 1991-06-05

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Legal Events

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