CA1013112A - Cavity pressure control for injection molding system - Google Patents

Cavity pressure control for injection molding system

Info

Publication number
CA1013112A
CA1013112A CA187,342A CA187342A CA1013112A CA 1013112 A CA1013112 A CA 1013112A CA 187342 A CA187342 A CA 187342A CA 1013112 A CA1013112 A CA 1013112A
Authority
CA
Canada
Prior art keywords
injection molding
pressure control
molding system
cavity pressure
cavity
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
CA187,342A
Other languages
English (en)
Other versions
CA187342S (en
Inventor
Donald C. Paulson
Rodney J. Groleau
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.)
Control Process Inc
Original Assignee
Control Process Inc
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 Control Process Inc filed Critical Control Process Inc
Application granted granted Critical
Publication of CA1013112A publication Critical patent/CA1013112A/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
    • B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • 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
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • B29C2045/304—Adjustable torpedoes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA187,342A 1972-12-04 1973-12-04 Cavity pressure control for injection molding system Expired CA1013112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00311799A US3807914A (en) 1972-12-04 1972-12-04 Cavity pressure control system

Publications (1)

Publication Number Publication Date
CA1013112A true CA1013112A (en) 1977-07-05

Family

ID=23208529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,342A Expired CA1013112A (en) 1972-12-04 1973-12-04 Cavity pressure control for injection molding system

Country Status (4)

Country Link
US (1) US3807914A (enExample)
JP (1) JPS5247786B2 (enExample)
CA (1) CA1013112A (enExample)
GB (1) GB1414385A (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850559A (en) * 1973-04-18 1974-11-26 Unisil Molds Inc Apparatus for vulcanizing rubber molds
US3969055A (en) * 1973-12-17 1976-07-13 Globe-Union Inc. Injection mold control system
US3970821A (en) * 1974-10-21 1976-07-20 Fast Heat Element Manufacturing Co., Inc. Electrically heated torpedo
DE2520662C3 (de) * 1975-05-09 1983-11-03 Wilhelm Fette Gmbh, 2053 Schwarzenbek Einrichtung zum Überwachen der Preßkräfte der Stempel einer Tablettenpresse
JPS5852486B2 (ja) * 1975-05-29 1983-11-22 久司 小嶋 射出成形機の型内圧による制御方法および装置
JPS541503Y2 (enExample) * 1975-11-12 1979-01-23
US4359435A (en) * 1978-04-19 1982-11-16 Yamato Kogure Method for manufacturing plastic products
US4239471A (en) * 1979-12-06 1980-12-16 The Continental Group, Inc. Thermal alignment of cores and cavities in multi-cavity injection molds
US4387064A (en) * 1981-08-03 1983-06-07 Werderitch Frank J Method and apparatus for sorting defective parts
DE3234523C2 (de) * 1982-09-17 1984-10-04 Klöckner-Werke AG, 4100 Duisburg Abschaltvorrichtung einer Spritzgießmaschine
US5523045A (en) * 1983-04-13 1996-06-04 American National Can Company Methods for injection molding and blow-molding multi-layer plastic articles
US6129960A (en) * 1983-04-13 2000-10-10 Pechiney Plastic Packaging, Inc. Methods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made thereby
JPS62249720A (ja) * 1986-04-24 1987-10-30 Japan Steel Works Ltd:The 射出成形用金型による成形制御方法
JPS62253421A (ja) * 1986-04-28 1987-11-05 Japan Steel Works Ltd:The 射出成形用金型による成形制御方法
US4760749A (en) * 1987-01-27 1988-08-02 Groleau Rodney J Mold pressure sensor body
ES2041770T3 (es) * 1987-11-25 1993-12-01 Toshiba Kikai Kabushiki Kaisha Procedimiento para la evaluacion de la calidad de los productos moldeados por inyeccion.
US5002475A (en) * 1988-10-04 1991-03-26 Intellex Corporation Reaction injection molding apparatus
US5472331A (en) * 1994-05-31 1995-12-05 Rjg Technologies, Inc. Apparatus for sensing pressure in mold cavity during injection of molded parts
GB2301059B (en) * 1995-05-24 2000-01-12 Ford Motor Co Resin transfer moulding
US5624692A (en) * 1996-01-30 1997-04-29 Crompton & Knowles Corporation Apparatus for measuring the temperature of a polymer melt
US7182893B2 (en) * 2002-10-11 2007-02-27 Mold-Masters Limited Valve gated nozzle having a valve pin with a sensor
WO2003031146A1 (en) 2001-10-12 2003-04-17 Mold-Masters Limited Valve pin with thermocouple
US6795753B2 (en) * 2002-09-10 2004-09-21 Andrew Corporation Compressor control module
US6884061B2 (en) * 2002-09-18 2005-04-26 Mold-Masters Limited Metering device for a nozzle of an injection molding apparatus
US7175420B2 (en) * 2003-02-13 2007-02-13 Mold-Masters Limited Valve gated injection molding system with independent flow control
EP1452293A1 (en) * 2003-02-25 2004-09-01 Mold-Masters Limited Injection molding system with flow control and method of injection molding
US7168943B2 (en) * 2003-08-29 2007-01-30 Mold-Masters Limited Guided valve pin for an injection molding apparatus
US7687003B2 (en) * 2004-12-08 2010-03-30 Visteon Global Technologies, Inc. Method of forming plastic part having hidden thin walled section
EP1867457B1 (en) * 2006-06-16 2014-05-14 Mold-Masters (2007) Limited Open loop pressure control for injection molding
EP1935607B1 (en) * 2006-12-21 2014-06-18 Mold-Masters (2007) Limited Valve for coinjection molding apparatus
KR100968823B1 (ko) * 2008-06-20 2010-07-08 현대자동차주식회사 수지 제품 제조장치 및 방법
JP6117080B2 (ja) * 2012-12-25 2017-04-19 住友重機械工業株式会社 射出成形機
CA2913314C (en) 2013-07-09 2016-11-29 Sang Sebastien NGUYEN HOANG A mold stack
JP6576862B2 (ja) 2016-03-16 2019-09-18 東芝メモリ株式会社 トランスファ成型装置
JP6389502B2 (ja) * 2016-12-08 2018-09-12 ミネベアミツミ株式会社 中継装置および圧力検出装置
AT520955B1 (de) * 2018-01-18 2020-08-15 Engel Austria Gmbh Messvorrichtung zur Messung des Abstands zweier ausgewählter Punkte
CN112848097B (zh) * 2020-12-21 2022-11-25 青岛佳友模具科技有限公司 一种注塑管生产用注塑模具
CN113715284B (zh) * 2021-08-31 2022-11-08 中南大学 微尺度矩形狭缝的聚合物粘度在线检测系统及检测方法
CN114012062A (zh) * 2021-10-15 2022-02-08 东风汽车集团股份有限公司 一种动模

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289686A (enExample) * 1962-05-10 1900-01-01
US3189948A (en) * 1962-09-14 1965-06-22 Osley & Whitney Inc Internally heated cold manifold mold
US3353209A (en) * 1963-10-11 1967-11-21 Husky Mfg Tool Works Ltd Distribution system for thermoplastic molding materials
US3499189A (en) * 1967-11-29 1970-03-10 Osley & Whitney Inc Cartridge heater for cold manifold mold

Also Published As

Publication number Publication date
JPS5247786B2 (enExample) 1977-12-05
JPS5046767A (enExample) 1975-04-25
US3807914A (en) 1974-04-30
GB1414385A (en) 1975-11-19

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