ATE368560T1 - Gasabzugsnadel für eine spritzgiessmaschine - Google Patents

Gasabzugsnadel für eine spritzgiessmaschine

Info

Publication number
ATE368560T1
ATE368560T1 AT04252777T AT04252777T ATE368560T1 AT E368560 T1 ATE368560 T1 AT E368560T1 AT 04252777 T AT04252777 T AT 04252777T AT 04252777 T AT04252777 T AT 04252777T AT E368560 T1 ATE368560 T1 AT E368560T1
Authority
AT
Austria
Prior art keywords
injection molding
molding machine
gas exhaust
exhaust needle
flow
Prior art date
Application number
AT04252777T
Other languages
English (en)
Inventor
Gordon Frederick Smith
Helmut Eckardt
David George Head
Original Assignee
Univ Warwick
Battenfeld Gmbh
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 Univ Warwick, Battenfeld Gmbh filed Critical Univ Warwick
Application granted granted Critical
Publication of ATE368560T1 publication Critical patent/ATE368560T1/de

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • 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
    • B29C45/1736—Nozzles therefor provided with small holes permitting the flow of gas therethrough, e.g. using a porous element of sintered 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
    • B29C45/34—Moulds having venting means
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/58—Blowing means
    • B29C49/60—Blow-needles
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/62—Venting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
AT04252777T 2003-05-13 2004-05-13 Gasabzugsnadel für eine spritzgiessmaschine ATE368560T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0310914.7A GB0310914D0 (en) 2003-05-13 2003-05-13 Gas venting needle

Publications (1)

Publication Number Publication Date
ATE368560T1 true ATE368560T1 (de) 2007-08-15

Family

ID=9957929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04252777T ATE368560T1 (de) 2003-05-13 2004-05-13 Gasabzugsnadel für eine spritzgiessmaschine

Country Status (5)

Country Link
US (1) US7179072B2 (de)
EP (1) EP1477291B1 (de)
AT (1) ATE368560T1 (de)
DE (1) DE602004007848D1 (de)
GB (2) GB0310914D0 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008046433A1 (en) * 2006-10-17 2008-04-24 Norgren Gmbh A ring shaped valve piston and its use in a blow moulding machine
US7842220B2 (en) * 2007-11-09 2010-11-30 Bridgestone Sports Co., Ltd. Mold for forming golf ball and golf ball manufactured using the same
JP7310726B2 (ja) * 2020-06-10 2023-07-19 トヨタ自動車株式会社 圧力容器用ライナーの成形型および成形方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640607B1 (de) 1976-09-09 1977-12-22 Robert Hanning Verfahren und Form zum Kuehlen von Formlingen aus Kunststoff
JPS634956Y2 (de) 1985-02-19 1988-02-09
JPS634956A (ja) * 1986-06-25 1988-01-09 Seiko Epson Corp インクジエツトヘツド
DE4036412A1 (de) 1990-11-15 1992-05-21 Moeller Werke Gmbh Duese zum injizieren von gas in die kavitaet eines kunststofformwerkzeugs, insbesondere einer spritzgussform
JP3442816B2 (ja) 1993-04-23 2003-09-02 アァルピィ東プラ株式会社 中空成形用ガスノズル
JP3189260B2 (ja) 1993-09-06 2001-07-16 三菱マテリアル株式会社 成形用金型及び成形方法
JPH07100853A (ja) 1993-09-30 1995-04-18 Kyoraku Co Ltd 中空成形品の製造方法及びその装置
JPH0857862A (ja) 1994-08-23 1996-03-05 Power Supply Kk プラスチックの成形金型素材
EP0763414A1 (de) 1995-09-14 1997-03-19 United Technologies Automotive Systems, Inc. Gasspritzgiessdüse zur Verwendung in gasunterstütztem Spritzgiessen von Kunststoff
US5908641A (en) 1996-01-22 1999-06-01 Elizabeth Erikson Trust Gas nozzle for a gas assisted injection molding system
US5939103A (en) 1996-01-22 1999-08-17 Erikson; Jon R. Gas nozzle assembly for a gas assisted injection molding system
US5843485A (en) 1996-06-28 1998-12-01 Incoe Corporation Valve-gate bushing for gas-assisted injection molding
JPH1190954A (ja) 1997-09-18 1999-04-06 Nec Home Electron Ltd ガスアシスト成形用のガス注入ニードル
US6120275A (en) 1997-09-22 2000-09-19 Larry J. Winget Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein
US6354826B1 (en) * 1999-02-19 2002-03-12 Alliance Systems, Inc. Pin for gas assisted injection molding system

Also Published As

Publication number Publication date
EP1477291B1 (de) 2007-08-01
GB2401575B (en) 2006-04-12
GB0410658D0 (en) 2004-06-16
US7179072B2 (en) 2007-02-20
GB2401575A (en) 2004-11-17
GB0310914D0 (en) 2003-06-18
US20050079239A1 (en) 2005-04-14
EP1477291A1 (de) 2004-11-17
DE602004007848D1 (de) 2007-09-13

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties