DE69805367T2 - Rückflussverhindervorrichtung - Google Patents

Rückflussverhindervorrichtung

Info

Publication number
DE69805367T2
DE69805367T2 DE69805367T DE69805367T DE69805367T2 DE 69805367 T2 DE69805367 T2 DE 69805367T2 DE 69805367 T DE69805367 T DE 69805367T DE 69805367 T DE69805367 T DE 69805367T DE 69805367 T2 DE69805367 T2 DE 69805367T2
Authority
DE
Germany
Prior art keywords
screw head
screw
flow prevention
resin passageway
disposed
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 - Lifetime
Application number
DE69805367T
Other languages
English (en)
Other versions
DE69805367D1 (de
Inventor
Hiroyoshi Suumen
Masaaki Konno
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Application granted granted Critical
Publication of DE69805367D1 publication Critical patent/DE69805367D1/de
Publication of DE69805367T2 publication Critical patent/DE69805367T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • 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
    • B29C45/58—Details
    • B29C45/60—Screws
DE69805367T 1997-07-18 1998-07-15 Rückflussverhindervorrichtung Expired - Lifetime DE69805367T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19373997A JP3877190B2 (ja) 1997-07-18 1997-07-18 逆流防止装置

Publications (2)

Publication Number Publication Date
DE69805367D1 DE69805367D1 (de) 2002-06-20
DE69805367T2 true DE69805367T2 (de) 2002-10-10

Family

ID=16313014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69805367T Expired - Lifetime DE69805367T2 (de) 1997-07-18 1998-07-15 Rückflussverhindervorrichtung

Country Status (9)

Country Link
US (1) US6007322A (de)
EP (1) EP0893227B1 (de)
JP (1) JP3877190B2 (de)
KR (1) KR100284012B1 (de)
CN (1) CN1077493C (de)
AT (1) ATE217570T1 (de)
DE (1) DE69805367T2 (de)
SG (1) SG71813A1 (de)
TW (1) TW450219U (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3299235B2 (ja) * 1999-11-12 2002-07-08 住友重機械工業株式会社 逆流防止装置及び射出装置の運転方法
DE19959495C1 (de) * 1999-12-10 2001-05-23 Battenfeld Gmbh Rückstromsperre
JP3509791B2 (ja) * 2001-07-31 2004-03-22 一郎 大島 インラインスクリュー型射出成形機の逆流防止装置
DE10230041B4 (de) * 2002-07-04 2006-04-20 Johann Holzschuh Rückstromsperre
DE10239929B4 (de) * 2002-08-30 2008-05-08 Johann Holzschuh Rückstromsperre mit steuerbarem Verschluss
JP3652681B2 (ja) 2002-11-08 2005-05-25 ファナック株式会社 射出成形機における計量方法及び制御装置
BRPI0407037A (pt) * 2003-01-27 2006-01-17 Community Entpr Llc Dispositivos e métodos para a maximização da eficácia de purga em máquinas de moldagem
US7104775B2 (en) * 2003-03-27 2006-09-12 Lg Cable Ltd. Injection unit having rotatable device for preventing reverse flow
JP4050644B2 (ja) * 2003-03-27 2008-02-20 株式会社日本製鋼所 インラインスクリュ式可塑化射出装置
TWI248393B (en) * 2003-07-17 2006-02-01 Sumitomo Heavy Industries Molding method, purging method and molding machine
JP4434715B2 (ja) * 2003-12-12 2010-03-17 東芝機械株式会社 スクリュの逆流防止装置
CA2463281C (en) * 2004-04-05 2007-11-13 Husky Injection Molding Systems Ltd. Non-return valve for use in a molding system
US7284978B2 (en) * 2005-06-30 2007-10-23 Husky Injection Molding Systems Ltd. Brake for molding machine valve
US20070065538A1 (en) * 2005-09-16 2007-03-22 Husky Injection Molding Systems Ltd. Molding system having valve including pump
CN101954726A (zh) * 2010-08-31 2011-01-26 佛山市顺德区震德塑料机械有限公司 用于注塑机的注射装置
TW201341156A (zh) * 2012-04-10 2013-10-16 Foxnum Technology Co Ltd 防逆流裝置
DK3708331T3 (da) * 2015-12-04 2022-11-07 Extrude To Fill Inc Støbemaskine og metode til støbning af en del
CN107553843B (zh) * 2017-10-13 2019-07-02 宁波华优汽车零部件有限公司 一种注塑挤出头旋转式防逆装置
CN112536995B (zh) * 2020-11-19 2022-09-06 佛山市南海区百兴玩具有限公司 一种工件生产用模具进胶装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2215585A1 (de) * 1972-03-30 1973-10-31 Rolf Deerberg Einrichtung zum spritzen von duroplastischen werkstoffen
US4643665A (en) * 1985-09-05 1987-02-17 Mallard Machine Company Check valve assembly for injection molding machine
JPH0345325A (ja) * 1989-07-14 1991-02-26 Japan Steel Works Ltd:The 射出成形機の逆流防止装置および逆流防止方法
US5112213A (en) * 1991-02-26 1992-05-12 Van Dorn Company Driven ring-type non-return valve for injection molding
JP3045325B2 (ja) * 1991-03-17 2000-05-29 ソニー株式会社 磁気記録再生装置
JP2880676B2 (ja) * 1995-12-26 1999-04-12 住友重機械工業株式会社 逆流防止装置

Also Published As

Publication number Publication date
CN1209382A (zh) 1999-03-03
EP0893227B1 (de) 2002-05-15
EP0893227A1 (de) 1999-01-27
KR100284012B1 (ko) 2001-04-02
ATE217570T1 (de) 2002-06-15
DE69805367D1 (de) 2002-06-20
SG71813A1 (en) 2000-04-18
TW450219U (en) 2001-08-11
JP3877190B2 (ja) 2007-02-07
KR19990013882A (ko) 1999-02-25
JPH1134128A (ja) 1999-02-09
CN1077493C (zh) 2002-01-09
US6007322A (en) 1999-12-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOETERS & LIECK, 81541 MUENCHEN