DE69033294D1 - Verminderung der Schliesskraft beim Spritzgiessformen - Google Patents

Verminderung der Schliesskraft beim Spritzgiessformen

Info

Publication number
DE69033294D1
DE69033294D1 DE69033294T DE69033294T DE69033294D1 DE 69033294 D1 DE69033294 D1 DE 69033294D1 DE 69033294 T DE69033294 T DE 69033294T DE 69033294 T DE69033294 T DE 69033294T DE 69033294 D1 DE69033294 D1 DE 69033294D1
Authority
DE
Germany
Prior art keywords
cavity
injection molding
plastic material
during injection
flow channels
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
DE69033294T
Other languages
English (en)
Other versions
DE69033294T2 (de
Inventor
Jens Ole Sorensen
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.)
Regatta Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69033294D1 publication Critical patent/DE69033294D1/de
Application granted granted Critical
Publication of DE69033294T2 publication Critical patent/DE69033294T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating 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
    • 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
    • B29C45/36—Moulds having means for locating or centering cores

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)
  • Ink Jet (AREA)
  • Pens And Brushes (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE69033294T 1989-06-05 1990-05-30 Verminderung der Schliesskraft beim Spritzgiessformen Expired - Fee Related DE69033294T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/361,275 US5008064A (en) 1989-06-05 1989-06-05 Injection-molding dimension-control and clamp-reduction

Publications (2)

Publication Number Publication Date
DE69033294D1 true DE69033294D1 (de) 1999-10-21
DE69033294T2 DE69033294T2 (de) 2000-01-05

Family

ID=23421367

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69033294T Expired - Fee Related DE69033294T2 (de) 1989-06-05 1990-05-30 Verminderung der Schliesskraft beim Spritzgiessformen
DE69028278T Expired - Fee Related DE69028278T2 (de) 1989-06-05 1990-05-30 Steuerung der formteilabmessungen und schliesskraftreduktion beim spritzgiessen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69028278T Expired - Fee Related DE69028278T2 (de) 1989-06-05 1990-05-30 Steuerung der formteilabmessungen und schliesskraftreduktion beim spritzgiessen

Country Status (8)

Country Link
US (1) US5008064A (de)
EP (2) EP0666159B1 (de)
JP (1) JP2638678B2 (de)
AT (1) ATE141855T1 (de)
CA (1) CA2033338C (de)
DE (2) DE69033294T2 (de)
DK (1) DK0428684T3 (de)
WO (1) WO1990014936A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262112A (en) * 1989-06-05 1993-11-16 Primtec Dimension-control and clamp reduction during injection molding of laminated products
US5149482A (en) * 1989-06-05 1992-09-22 Primtec Injection-molding dimension-control and clamp-reduction
JPH0749203B2 (ja) * 1990-04-27 1995-05-31 豊田合成株式会社 ウエザストリップの接続成形方法および装置
US5267685A (en) * 1993-02-25 1993-12-07 Primtec Stackability of hollow products with conically contoured sidewalls having longitudinal folds
GB2318757B (en) * 1996-11-01 2000-07-12 Univ Brunel Moulding process and article produced by the process
US6599460B1 (en) 2000-07-03 2003-07-29 Sorensen Research And Develpoment Trust Prevention of void-based-irregularity formation in thin-wall, injection-molded plastic product
US20050221030A1 (en) * 2004-03-31 2005-10-06 Brown Paul P Injection molding of nestable thin-wall plastic products
EP2271471A4 (de) * 2008-04-15 2011-11-30 Keter Plastic Ltd System für eine hochdruckinjektionsumgiessung
WO2013174782A1 (en) * 2012-05-22 2013-11-28 Total Research & Technology Feluy Process for preparing a polymeric product
CN110126190B (zh) * 2019-04-02 2024-05-24 精英制模实业(深圳)有限公司 一种注塑过程中模腔可变的模具及其注塑工艺

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3194468A (en) * 1962-06-11 1965-07-13 Somerville Ind Ltd Plastic drinking cups
US3169689A (en) * 1963-05-13 1965-02-16 Traders Leasing Ltd Thin walled container
CH410374A (de) * 1964-05-11 1966-03-31 Netstal Ag Maschf Giesserei Spritzform für Kunststoff-Spritzgiessmaschinen
CH451494A (de) * 1966-07-15 1968-05-15 Segmueller Ag Verfahren zur Herstellung von becher- oder hülsenförmigen Behältern aus thermoplastischen Kunststoffen durch Spritzgiessen
DE1816466A1 (de) * 1968-12-21 1970-06-25 Desma Werke Gmbh Vorrichtung zur Herstellung von Hohlkoerpern,insbesondere Waermflaschen,durch Spritzgiessen
US3679119A (en) * 1970-06-01 1972-07-25 Keith Philip Copping Injection moulded plastic cup-like article
DE2129752A1 (de) * 1971-06-16 1972-12-28 Karl Hehl Spritzgiessform fuer eine Kunststoffe verarbeitende Spritzgiessmaschine zur Herstellung zweifarbiger Spritzlinge
CH540822A (de) * 1971-07-28 1973-08-31 Schmalbach Lubeca Einendig offener Behälter aus Kunststoff
US3878282A (en) * 1971-08-10 1975-04-15 Ilikon Corp Process for molding multilayer articles
US3995008A (en) * 1975-02-20 1976-11-30 Gould Inc. Molded plastic battery container
US4140828A (en) * 1975-06-10 1979-02-20 Conlor Molding Systems Limited Injection moulded plastics article
GB2028213B (en) * 1978-08-25 1982-09-22 Wells & Hingley Reducing deflection of cores during injection moulding
JPS55142623A (en) * 1979-04-24 1980-11-07 Yoshino Kogyosho Co Ltd Method of forming optical pattern in polyethylene terephthalate resin made product and method of reinforcing optical pattern formed by the said method
JPS6050149B2 (ja) * 1980-01-30 1985-11-07 帝人株式会社 接着性の改良されたポリエステルフイルム
US4467994A (en) * 1982-09-27 1984-08-28 Sorensen Jens Ole Core centered mold for hollow stackable plastic products
US4381275A (en) * 1981-01-30 1983-04-26 Trade Finance International Stabilized core injection molding of plastic
US4422995A (en) * 1981-12-07 1983-12-27 Husky Injection Molding Systems Ltd. Method and apparatus for molding hollow, slender workpieces
US4508676A (en) * 1982-07-29 1985-04-02 Sorensen Jens Ole Core stabilization by sequential injections
DE3314108A1 (de) * 1983-04-19 1984-10-25 C.F. Spiess & Sohn Kunststoffwerk GmbH & Co, 6719 Kleinkarlbach Verfahren und vorrichtung zum herstellen von hohlkoerpern mit zumindest bereichsweise zwei- oder mehrschichtiger wand
JPS6071217A (ja) * 1983-09-29 1985-04-23 Toyo Seikan Kaisha Ltd 多層射出成形法
US4743420A (en) * 1986-09-16 1988-05-10 Sun Coast Plastics, Inc. Method and apparatus for injection molding a thin-walled plastic can
US4789326A (en) * 1987-01-28 1988-12-06 Acebo Company Stabilized-core injection molding of hollow thin-walled plastic products
US4807775A (en) * 1987-01-26 1989-02-28 Acebo Company Injection molding of thin-walled plastic products
US4867672A (en) * 1988-06-02 1989-09-19 Primtec Reduction of required mold-cavity clamping force and control of injection-molded product wall thickness
US4959005A (en) * 1989-02-23 1990-09-25 Primtec Self-aligning mold for injection molding of hollow plastic products

Also Published As

Publication number Publication date
DE69028278D1 (de) 1996-10-02
DK0428684T3 (da) 1996-09-16
EP0428684A1 (de) 1991-05-29
ATE141855T1 (de) 1996-09-15
EP0428684A4 (en) 1992-04-01
CA2033338C (en) 2001-04-24
DE69028278T2 (de) 1997-01-02
EP0666159A2 (de) 1995-08-09
US5008064A (en) 1991-04-16
EP0666159B1 (de) 1999-09-15
CA2033338A1 (en) 1990-12-06
JP2638678B2 (ja) 1997-08-06
EP0428684B1 (de) 1996-08-28
EP0666159A3 (de) 1997-05-21
WO1990014936A1 (en) 1990-12-13
DE69033294T2 (de) 2000-01-05
JPH04501390A (ja) 1992-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: REGATTA LTD., GEORGETOWN, CAYMAN ISLANDS, KY

8381 Inventor (new situation)

Inventor name: SORENSEN, JENS OLE, RANCHO SANTA FE., CALIF., US

8339 Ceased/non-payment of the annual fee