SG71813A1 - Back-flow prevention apparatus - Google Patents

Back-flow prevention apparatus

Info

Publication number
SG71813A1
SG71813A1 SG1998001568A SG1998001568A SG71813A1 SG 71813 A1 SG71813 A1 SG 71813A1 SG 1998001568 A SG1998001568 A SG 1998001568A SG 1998001568 A SG1998001568 A SG 1998001568A SG 71813 A1 SG71813 A1 SG 71813A1
Authority
SG
Singapore
Prior art keywords
screw head
flow prevention
screw
resin passageway
disposed
Prior art date
Application number
SG1998001568A
Other languages
English (en)
Inventor
Hiroyoshi Suumen
Original Assignee
Sumitomo Heavy Industries
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 filed Critical Sumitomo Heavy Industries
Publication of SG71813A1 publication Critical patent/SG71813A1/en

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

Landscapes

  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Pinball Game Machines (AREA)
  • External Artificial Organs (AREA)
  • Paper (AREA)
  • Confectionery (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Push-Button Switches (AREA)
  • Seal Device For Vehicle (AREA)
SG1998001568A 1997-07-18 1998-07-01 Back-flow prevention apparatus SG71813A1 (en)

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 (1)

Publication Number Publication Date
SG71813A1 true SG71813A1 (en) 2000-04-18

Family

ID=16313014

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998001568A SG71813A1 (en) 1997-07-18 1998-07-01 Back-flow prevention apparatus

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
KR20050100636A (ko) * 2003-01-27 2005-10-19 커뮤니티 엔터프라이즈, 엘엘씨. 사출성형기계의 정화효과 최대화 장치 및 방법
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
US7104775B2 (en) * 2003-03-27 2006-09-12 Lg Cable Ltd. Injection unit having rotatable device for preventing reverse flow
CN1822942B (zh) * 2003-07-17 2010-09-22 住友重机械工业株式会社 成形方法、清理方法以及成形机
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
CN108698287B (zh) * 2015-12-04 2020-02-18 挤压满公司 模塑机和模塑零件的方法
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
ATE217570T1 (de) 2002-06-15
EP0893227B1 (de) 2002-05-15
CN1209382A (zh) 1999-03-03
JP3877190B2 (ja) 2007-02-07
KR19990013882A (ko) 1999-02-25
CN1077493C (zh) 2002-01-09
EP0893227A1 (de) 1999-01-27
US6007322A (en) 1999-12-28
TW450219U (en) 2001-08-11
JPH1134128A (ja) 1999-02-09
KR100284012B1 (ko) 2001-04-02
DE69805367D1 (de) 2002-06-20
DE69805367T2 (de) 2002-10-10

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