MX9203833A - Valvula de retencion mejorada. - Google Patents

Valvula de retencion mejorada.

Info

Publication number
MX9203833A
MX9203833A MX9203833A MX9203833A MX9203833A MX 9203833 A MX9203833 A MX 9203833A MX 9203833 A MX9203833 A MX 9203833A MX 9203833 A MX9203833 A MX 9203833A MX 9203833 A MX9203833 A MX 9203833A
Authority
MX
Mexico
Prior art keywords
check valve
improved check
improved
valve
check
Prior art date
Application number
MX9203833A
Other languages
English (en)
Inventor
William A Nelson
Original Assignee
Automotive Plastic Tech
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 Automotive Plastic Tech filed Critical Automotive Plastic Tech
Publication of MX9203833A publication Critical patent/MX9203833A/es

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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1734—Nozzles therefor
    • B29C45/1735—Nozzles for introducing the fluid through the mould gate, e.g. incorporated in the injection nozzle
MX9203833A 1991-07-01 1992-06-30 Valvula de retencion mejorada. MX9203833A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/724,044 US5149546A (en) 1991-07-01 1991-07-01 Check valve for a fluid-assisted plastic injection molding apparatus

Publications (1)

Publication Number Publication Date
MX9203833A true MX9203833A (es) 1993-05-01

Family

ID=24908730

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9203833A MX9203833A (es) 1991-07-01 1992-06-30 Valvula de retencion mejorada.

Country Status (5)

Country Link
US (1) US5149546A (es)
EP (1) EP0521704A3 (es)
JP (1) JPH0674350A (es)
CA (1) CA2072442A1 (es)
MX (1) MX9203833A (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5273417A (en) * 1992-03-12 1993-12-28 Automotive Plastic Technologies, Inc. Nozzle for gas-assisted injection molding
JP3414459B2 (ja) * 1993-11-15 2003-06-09 三菱エンジニアリングプラスチックス株式会社 ガス注入ノズル
US6062842A (en) * 1998-04-14 2000-05-16 Larry J. Winget Mold for use in a gas-assisted injection molding system and runner shut-off subsystem for use therein
US6099284A (en) * 1998-07-13 2000-08-08 Green Tokai, Co., Ltd. Pressure-activated gas injection valve for an injection molding apparatus
US6375449B1 (en) * 2000-06-22 2002-04-23 Incoe Corporation Gas injection pin mechanism for plastic injection molding systems
US7229578B2 (en) * 2001-08-22 2007-06-12 Green Tokai Co., Ltd. Light weight plastic trim parts and methods of making same
US6882901B2 (en) * 2002-10-10 2005-04-19 Shao-Wei Gong Ultra-precision robotic system
US7198477B2 (en) * 2003-12-24 2007-04-03 Lear Corporation Mechanical shut-off valve for gas-assist injection molding
US9027861B2 (en) 2008-04-22 2015-05-12 Spray Nozzle Engineering Pty. Limited Spray nozzle assembly
EP2271434B8 (en) * 2008-04-22 2020-04-15 Spray Nozzle Engineering Pty Ltd Improvements in spray nozzle assemblies
CN102069552B (zh) * 2010-11-22 2012-12-12 北京化工大学 一种用于微分注射成型的弹簧喷嘴

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748798A (en) * 1952-01-07 1956-06-05 Ralph A Withrow High pressure check valves
US4171941A (en) * 1978-01-18 1979-10-23 Osaka City Gate of mold for injection molding machine
GB8706204D0 (en) * 1987-03-16 1987-04-23 Peerless Cinpres Ltd Injection moulding apparatus
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
US4942006A (en) * 1988-12-01 1990-07-17 Michael Ladney Method of and apparatus for injection molding with pressurized-fluid assist
US4905901A (en) * 1988-08-30 1990-03-06 Sajar Plastics, Inc. Injection molding nozzle

Also Published As

Publication number Publication date
EP0521704A3 (en) 1993-04-21
JPH0674350A (ja) 1994-03-15
CA2072442A1 (en) 1993-01-02
EP0521704A2 (en) 1993-01-07
US5149546A (en) 1992-09-22

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