DE69928929D1 - Ringschieber-rückschlagventil - Google Patents

Ringschieber-rückschlagventil

Info

Publication number
DE69928929D1
DE69928929D1 DE69928929T DE69928929T DE69928929D1 DE 69928929 D1 DE69928929 D1 DE 69928929D1 DE 69928929 T DE69928929 T DE 69928929T DE 69928929 T DE69928929 T DE 69928929T DE 69928929 D1 DE69928929 D1 DE 69928929D1
Authority
DE
Germany
Prior art keywords
check valve
ring slide
slide check
ring
valve
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 - Fee Related
Application number
DE69928929T
Other languages
English (en)
Other versions
DE69928929T2 (de
Inventor
Robert F Dray
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 DE69928929D1 publication Critical patent/DE69928929D1/de
Publication of DE69928929T2 publication Critical patent/DE69928929T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
DE69928929T 1998-05-04 1999-05-04 Ringschieber-rückschlagventil Expired - Fee Related DE69928929T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/072,321 US6203311B1 (en) 1998-05-04 1998-05-04 Sliding ring non-return valve
US72321 1998-05-04
PCT/US1999/006564 WO1999057466A2 (en) 1998-05-04 1999-05-04 Sliding ring non-return valve

Publications (2)

Publication Number Publication Date
DE69928929D1 true DE69928929D1 (de) 2006-01-19
DE69928929T2 DE69928929T2 (de) 2006-09-07

Family

ID=22106874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928929T Expired - Fee Related DE69928929T2 (de) 1998-05-04 1999-05-04 Ringschieber-rückschlagventil

Country Status (6)

Country Link
US (2) US6203311B1 (de)
EP (1) EP1084356B1 (de)
JP (1) JP2002513702A (de)
CA (1) CA2332028C (de)
DE (1) DE69928929T2 (de)
WO (1) WO1999057466A2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6203311B1 (en) * 1998-05-04 2001-03-20 Robert F. Dray Sliding ring non-return valve
DE19959495C1 (de) * 1999-12-10 2001-05-23 Battenfeld Gmbh Rückstromsperre
US6572362B2 (en) 2001-08-01 2003-06-03 The Goodyear Tire & Rubber Company Apparatus for injection molding in alternate planes
US6604936B2 (en) 2001-08-01 2003-08-12 The Goodyear Tire & Rubber Company Apparatus for injection molding
DE10210464B4 (de) * 2002-03-09 2007-07-26 Demag Ergotech Gmbh Rückströmsperre
CA2463281C (en) * 2004-04-05 2007-11-13 Husky Injection Molding Systems Ltd. Non-return valve for use in a molding system
US7341094B2 (en) * 2005-05-02 2008-03-11 Husky Injection Molding Systems Ltd. Metallic alloy slurry dispenser
US20070065538A1 (en) * 2005-09-16 2007-03-22 Husky Injection Molding Systems Ltd. Molding system having valve including pump
US20090028984A1 (en) * 2007-07-26 2009-01-29 Husky Injection Molding Systems Ltd. Transition Channel For Use Between A First Conduit And A Second Conduit In A Molding System
US7527493B1 (en) * 2007-11-01 2009-05-05 Md Plastics Incorporated Precise control non-return valve
KR101273164B1 (ko) * 2011-01-27 2013-06-14 엘에스엠트론 주식회사 사출성형기의 스크류 제어 방법
KR101512148B1 (ko) 2013-06-17 2015-04-14 동남정밀 주식회사 스프레이 카세트
JP6479249B1 (ja) 2018-12-11 2019-03-06 株式会社東日製作所 締付装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1318503A (en) * 1970-07-07 1973-05-31 Desma Werke Gmbh Conveying worm injection-moulding machine reverse-flow preventers
CH592515A5 (de) * 1975-11-05 1977-10-31 Netstal Ag Maschf Giesserei
US4076485A (en) * 1976-06-23 1978-02-28 Beloit Corporation Shut-off valve for plastic melt injection
DE2635144A1 (de) * 1976-08-05 1978-02-09 Demag Kunststofftech Rueckstroemsperre an schneckenspritzgiessmaschinen
EP0027616B1 (de) * 1979-10-19 1983-06-22 Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Aktiengesellschaft Rückströmsperre am Schneckenkopf von Schneckenspritzgiessmaschinen
DE3203762A1 (de) * 1982-02-04 1983-08-11 Krauss-Maffei AG, 8000 München Rueckstroemsperre
US4643665A (en) * 1985-09-05 1987-02-17 Mallard Machine Company Check valve assembly for injection molding machine
US4850851A (en) * 1988-01-07 1989-07-25 Cincinnati Milacron, Inc. Anti-backflow valve for injection molding machines
NL8801156A (nl) * 1988-05-03 1989-12-01 Univ Twente Menginrichting met distributiemengwerking, voor een extruder, een spuitgietmachine en dergelijke.
DE4105727C2 (de) * 1990-11-02 1994-11-24 Karl Hehl Plastifizierzylinder an einer Kunststoff-Spritzgießmaschine
US5258158A (en) 1991-05-13 1993-11-02 Dray Robert F Positive-type non-return valve and method of using valve
US5470514A (en) 1991-05-13 1995-11-28 Dray; Robert F. Injection molding method for a shot of determined mass
US5151282A (en) 1991-05-13 1992-09-29 Dray Robert F Positive-type non-return valve
US5401161A (en) * 1991-06-14 1995-03-28 Long; Michael C. Injection molding valve
US5167971A (en) * 1991-07-29 1992-12-01 Gill Joseph R Check valve assembly for injection molding apparatus
JP3076099B2 (ja) * 1991-09-03 2000-08-14 住友重機械プラスチックマシナリー株式会社 スクリュヘッド構造体
JP2571523B2 (ja) * 1993-09-28 1997-01-16 日精樹脂工業株式会社 射出スクリュ
US5441400A (en) * 1994-04-07 1995-08-15 Zeiger; Donald J. Spring biased check valve for an injection molding machine
JP2814212B2 (ja) * 1995-07-19 1998-10-22 日精樹脂工業株式会社 射出装置における射出方法
US5945141A (en) * 1997-04-28 1999-08-31 Nissei Plastic Industrial Co., Ltd. Screw head device for injection molding machine
US6203311B1 (en) * 1998-05-04 2001-03-20 Robert F. Dray Sliding ring non-return valve

Also Published As

Publication number Publication date
EP1084356B1 (de) 2005-12-14
DE69928929T2 (de) 2006-09-07
CA2332028C (en) 2007-11-27
US6203311B1 (en) 2001-03-20
EP1084356A2 (de) 2001-03-21
JP2002513702A (ja) 2002-05-14
WO1999057466A2 (en) 1999-11-11
WO1999057466A3 (en) 2000-01-13
EP1084356A4 (de) 2001-07-18
US6464488B2 (en) 2002-10-15
CA2332028A1 (en) 1999-11-11
US20020005219A1 (en) 2002-01-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee