CA1234466A - Stabilized core injection molding - Google Patents

Stabilized core injection molding

Info

Publication number
CA1234466A
CA1234466A CA000432256A CA432256A CA1234466A CA 1234466 A CA1234466 A CA 1234466A CA 000432256 A CA000432256 A CA 000432256A CA 432256 A CA432256 A CA 432256A CA 1234466 A CA1234466 A CA 1234466A
Authority
CA
Canada
Prior art keywords
cooling cavity
cavity
plastic
plastics material
cooling
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
CA000432256A
Other languages
English (en)
French (fr)
Inventor
Jens O. 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.)
Individual
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
Application granted granted Critical
Publication of CA1234466A publication Critical patent/CA1234466A/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
    • B29C45/36—Moulds having means for locating or centering cores
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • 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
    • B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part

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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA000432256A 1982-07-29 1983-07-12 Stabilized core injection molding Expired CA1234466A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8221909 1982-07-29
GB8,221,909 1982-07-29

Publications (1)

Publication Number Publication Date
CA1234466A true CA1234466A (en) 1988-03-29

Family

ID=10531982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000432256A Expired CA1234466A (en) 1982-07-29 1983-07-12 Stabilized core injection molding

Country Status (7)

Country Link
US (1) US4508676A (forum.php)
EP (1) EP0100603B1 (forum.php)
JP (1) JPS5976230A (forum.php)
AT (1) ATE31395T1 (forum.php)
CA (1) CA1234466A (forum.php)
DE (1) DE3374924D1 (forum.php)
DK (1) DK166532B1 (forum.php)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ215120A (en) * 1985-02-19 1986-12-05 J F Scammell Injection moulded paste dispenser with integral cap:die core initially held central by retractable spigot
US4789326A (en) * 1987-01-28 1988-12-06 Acebo Company Stabilized-core injection molding of hollow thin-walled plastic products
US4844405A (en) * 1987-01-26 1989-07-04 Acebo Company Injection molding of thin-walled plastic products
US4935188A (en) * 1987-01-28 1990-06-19 Acebo Company Stabilized-core injection molding of hollow thin-walled plastic products
US4935184A (en) * 1988-02-05 1990-06-19 Primtec Stabilized injection molding when using a common mold part with separate complimentary mold parts
US5174941A (en) * 1988-06-02 1992-12-29 Primtec Injection-molding product wall-thickness control methods
ATE165552T1 (de) * 1988-06-02 1998-05-15 Jens Ole Sorensen Verminderung der erforderlichen formschliesskraft und steuerung der wanddicke eines spritzgiessteiles
US5049344A (en) * 1988-06-02 1991-09-17 Primtec Method for reducing required mold-cavity clamping force and controlling injection-molded-product wall thickness
US4867672A (en) * 1988-06-02 1989-09-19 Primtec Reduction of required mold-cavity clamping force and control of injection-molded product wall thickness
US5288451A (en) * 1988-07-18 1994-02-22 Husky Injection Molding Systems Ltd. Process and apparatus for direct gating injection molding
US4959005A (en) * 1989-02-23 1990-09-25 Primtec Self-aligning mold for injection molding of hollow plastic products
US5262112A (en) * 1989-06-05 1993-11-16 Primtec Dimension-control and clamp reduction during injection molding of laminated products
US5008064A (en) * 1989-06-05 1991-04-16 Primtec Injection-molding dimension-control and clamp-reduction
US5149482A (en) * 1989-06-05 1992-09-22 Primtec Injection-molding dimension-control and clamp-reduction
JPH0816709B2 (ja) 1990-05-25 1996-02-21 株式会社日立製作所 燃料集合体，チヤンネルボツクス，チヤンネルボツクスの製造方法及び原子炉の炉心
US5313506A (en) * 1992-03-25 1994-05-17 General Electric Company Reduced pressure drop ferrule spacer
US5750062A (en) * 1992-10-02 1998-05-12 Trw Inc. Method of manufacturing an air bag cover
EP0748722B1 (en) 1995-06-16 2001-09-12 Toyoda Gosei Co., Ltd. Interior finish member for an automobile with an air bag device and manufacturing method thereof
JP3947617B2 (ja) 1998-04-16 2007-07-25 ポップリベット・ファスナー株式会社 防振保持具
US6749788B1 (en) 2000-10-26 2004-06-15 The Gillette Company Method and apparatus for making a shaving razor handle
CA2946631C (en) 2008-03-05 2019-01-08 Becton, Dickinson And Company Capillary action collection device and container assembly
CN102282078B (zh) * 2008-03-05 2014-03-05 贝克顿·迪金森公司 共模制可刺破塞子及其制造方法
ES2430638T3 (es) 2008-07-21 2013-11-21 Becton, Dickinson And Company Dispositivo de separación de fases por densidad
AU2009274096B2 (en) 2008-07-21 2012-08-02 Becton, Dickinson And Company Density phase separation device
JP5385384B2 (ja) 2008-07-21 2014-01-08 ベクトン・ディキンソン・アンド・カンパニー 密度相分離装置
CA2949745C (en) 2009-05-15 2019-03-26 Becton, Dickinson And Company Density phase separation device
US8460620B2 (en) 2010-12-03 2013-06-11 Becton, Dickinson And Company Specimen collection container assembly
US9694359B2 (en) 2014-11-13 2017-07-04 Becton, Dickinson And Company Mechanical separator for a biological fluid
NL2014880B1 (nl) * 2015-05-28 2016-12-30 Naber Beheer B V Werkwijze voor het vervaardigen van een plastic product zoals een bloemenemmer.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962726A (forum.php) * 1950-06-19
CH451494A (de) * 1966-07-15 1968-05-15 Segmueller Ag Verfahren zur Herstellung von becher- oder hülsenförmigen Behältern aus thermoplastischen Kunststoffen durch Spritzgiessen
US3829548A (en) * 1971-12-30 1974-08-13 Illinois Tool Works Injection molding process
US3917789A (en) * 1973-02-20 1975-11-04 Raymond A Heisler Method for molding a plastic container having a molded handle pivotally retained by an integrally formed attachment
JPS5298770A (en) * 1976-02-16 1977-08-18 Yoshino Kogyosho Co Ltd Method of molding tubular blank for preventing irregular thickness of fuselage of product* mold therefor and product produced thereby
US4125246A (en) * 1976-11-05 1978-11-14 Holdt J W Von Pivot assembly mold apparatus
GB2028213B (en) * 1978-08-25 1982-09-22 Wells & Hingley Reducing deflection of cores during injection moulding
US4289468A (en) * 1979-04-27 1981-09-15 Holdt J W Von Hydrostatic mold gate
US4289473A (en) * 1980-01-04 1981-09-15 Holdt J W Von Mold gate permitting the introduction of stiff molding compound into a mold chamber
US4381275A (en) * 1981-01-30 1983-04-26 Trade Finance International Stabilized core injection molding of plastic

Also Published As

Publication number Publication date
DE3374924D1 (en) 1988-01-28
JPS5976230A (ja) 1984-05-01
US4508676A (en) 1985-04-02
DK346383D0 (da) 1983-07-28
EP0100603B1 (en) 1987-12-16
JPH0148844B2 (forum.php) 1989-10-20
ATE31395T1 (de) 1988-01-15
DK346383A (da) 1984-01-30
EP0100603A1 (en) 1984-02-15
DK166532B1 (da) 1993-06-07

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Legal Events

Date Code Title Description
MKEX Expiry