ATE170446T1 - Zusammenbau aus ventil und schneckenspitze mit stift - Google Patents

Zusammenbau aus ventil und schneckenspitze mit stift

Info

Publication number
ATE170446T1
ATE170446T1 AT95400814T AT95400814T ATE170446T1 AT E170446 T1 ATE170446 T1 AT E170446T1 AT 95400814 T AT95400814 T AT 95400814T AT 95400814 T AT95400814 T AT 95400814T AT E170446 T1 ATE170446 T1 AT E170446T1
Authority
AT
Austria
Prior art keywords
valve
pin
screw tip
tip assembly
screw
Prior art date
Application number
AT95400814T
Other languages
English (en)
Inventor
Alain Viron
Original Assignee
Alain Viron
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9462127&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE170446(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alain Viron filed Critical Alain Viron
Application granted granted Critical
Publication of ATE170446T1 publication Critical patent/ATE170446T1/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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/507—Screws characterised by the material or their manufacturing process
    • B29C48/509—Materials, coating or lining therefor
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
AT95400814T 1994-04-13 1995-04-11 Zusammenbau aus ventil und schneckenspitze mit stift ATE170446T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9404488A FR2718800B1 (fr) 1994-04-13 1994-04-13 Clapet à goupille flottante et autocentrante à deux points d'appuis sur méplats usinés ou forgés suivant un angle donné.

Publications (1)

Publication Number Publication Date
ATE170446T1 true ATE170446T1 (de) 1998-09-15

Family

ID=9462127

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95400814T ATE170446T1 (de) 1994-04-13 1995-04-11 Zusammenbau aus ventil und schneckenspitze mit stift

Country Status (7)

Country Link
US (1) US6227841B1 (de)
EP (1) EP0677371B1 (de)
AT (1) ATE170446T1 (de)
CA (1) CA2146813A1 (de)
DE (1) DE69504394T2 (de)
ES (1) ES2123923T3 (de)
FR (1) FR2718800B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19849472C2 (de) * 1998-10-21 2002-11-28 Demag Ergotech Gmbh Rückströmsperre für die Plastifizier- und Einspritzschnecke in Spritzgießmaschinen
DE10210464B4 (de) * 2002-03-09 2007-07-26 Demag Ergotech Gmbh Rückströmsperre
DE10241262B4 (de) * 2002-09-06 2005-11-24 Dr. Boy Gmbh & Co. Kg Schneckenkopf mit Rückstromsperre
CA2463281C (en) * 2004-04-05 2007-11-13 Husky Injection Molding Systems Ltd. Non-return valve for use in a molding system
US7425126B2 (en) * 2006-05-17 2008-09-16 Husky Injection Molding Systems Ltd. Molding-system valve having knockdown retainer
US7527493B1 (en) * 2007-11-01 2009-05-05 Md Plastics Incorporated Precise control non-return valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335824A (en) * 1970-11-26 1973-10-31 Strode Components Ltd Injection moulding feed screw
DE2617977A1 (de) * 1976-04-24 1977-11-10 Gkn Windsor Gmbh Vorrichtung zum plastifizieren und schmelzen von kunststoff mit einem beheizbaren plastifizierzylinder
JPS61100427A (ja) * 1984-10-22 1986-05-19 Jiyuken Kogyo:Kk スクリュ−ヘツド部における逆流防止装置
JPS61246031A (ja) * 1985-04-25 1986-11-01 Japan Steel Works Ltd:The 射出成形機の逆流防止装置
AT384577B (de) * 1985-07-19 1987-12-10 Engel Kg L Rueckstroemsperre fuer die plastifizierschnecke einer spritzgiessmaschine
US5112213A (en) * 1991-02-26 1992-05-12 Van Dorn Company Driven ring-type non-return valve for injection molding

Also Published As

Publication number Publication date
CA2146813A1 (fr) 1995-10-20
US6227841B1 (en) 2001-05-08
EP0677371B1 (de) 1998-09-02
FR2718800B1 (fr) 1996-07-12
EP0677371A1 (de) 1995-10-18
FR2718800A1 (fr) 1995-10-20
ES2123923T3 (es) 1999-01-16
DE69504394D1 (de) 1998-10-08
DE69504394T2 (de) 1999-02-25

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee