ES2123923T3 - Conjunto de valvula y punta de tornillo con pasador. - Google Patents

Conjunto de valvula y punta de tornillo con pasador.

Info

Publication number
ES2123923T3
ES2123923T3 ES95400814T ES95400814T ES2123923T3 ES 2123923 T3 ES2123923 T3 ES 2123923T3 ES 95400814 T ES95400814 T ES 95400814T ES 95400814 T ES95400814 T ES 95400814T ES 2123923 T3 ES2123923 T3 ES 2123923T3
Authority
ES
Spain
Prior art keywords
pin
screw tip
valve assembly
valve
screw
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
ES95400814T
Other languages
English (en)
Inventor
Alain Viron
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
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=ES2123923(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of ES2123923T3 publication Critical patent/ES2123923T3/es
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Dowels (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Forging (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UNA PUNTA DE TORNILLO (1) DE PASADOR 2 FLOTANTE Y AUTOCENTRADOR CON DOS PUNTOS DE APOYO SOBRE TALONES (5) SEGUN EL ANGULO ALFA2 DADO QUE CONSTITUYE EL ELEMENTO PRINCIPAL DE UN CONJUNTO DE TRES PIEZA: LA PUNTA DE TORNILLO (1), LA MARIPOSA (3), EL ANILLO DE PRESION (4), UTILIZADAS COMO OBTURADOR DE NO REFLUJO HACIA DELANTE DE UN TORNILLO DE PISTON UTILIZADO SOBRE PRENSA DE INYECTAR LOS MATERIALES PLASTICOS. LA INVENCION OFRECE POR LA POCA SECCION DEL PASADOR (2) UN CAUDAL TOTAL DE MATERIAL PLASTIFICADO SIN CREAR PERDIDA DE CARGA. LA PUNTA DE TORNILLO SEGUN LA INVENCION PUEDE ADAPTARSE A TODAS LAS MARCAS DE PRENSA DE INYECCION, SUS VENTAJAS TECNICAS LA HACEN MAS PERFORMANTE, TANTO EN EL CAMPO DE LAS PIEZAS MOLDEADAS LLAMADAS "TECNICAS" COMO EN EL CAMPO DEL "EMBALAJE" DE ALTO RITMO HORARIO.
ES95400814T 1994-04-13 1995-04-11 Conjunto de valvula y punta de tornillo con pasador. Expired - Lifetime ES2123923T3 (es)

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
ES2123923T3 true ES2123923T3 (es) 1999-01-16

Family

ID=9462127

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95400814T Expired - Lifetime ES2123923T3 (es) 1994-04-13 1995-04-11 Conjunto de valvula y punta de tornillo con pasador.

Country Status (7)

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

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
EP0677371B1 (fr) 1998-09-02
DE69504394T2 (de) 1999-02-25
FR2718800B1 (fr) 1996-07-12
DE69504394D1 (de) 1998-10-08
ATE170446T1 (de) 1998-09-15
EP0677371A1 (fr) 1995-10-18
CA2146813A1 (fr) 1995-10-20
US6227841B1 (en) 2001-05-08
FR2718800A1 (fr) 1995-10-20

Similar Documents

Publication Publication Date Title
US5142184B1 (en) Cold cathode field emission device with integral emitter ballasting
DE69526556T2 (de) Spritze
ATE326923T1 (de) Implantat zum ersatz eines wirbels
EP0311863A3 (en) Device for dispersing a fluid
KR960009036B1 (en) Ball cage for a telescopic rail comprising a cage buffer
ATE102687T1 (de) Abreisskopfschraube.
TR199501027A2 (tr) Tolerans dengeleyici hortum kelepcesi.
ATE76167T1 (de) Verbindungselement.
EP0781913A3 (en) Valve arrangement
ES2123923T3 (es) Conjunto de valvula y punta de tornillo con pasador.
DE59408614D1 (de) Linearantriebzylinder
ATE119810T1 (de) Dekorativer kugel-brunnen.
ATE344412T1 (de) Schieberventil
DE69518432T2 (de) Einspritzventil mit verringerter stromdispersion, insbesondere eines ausseraxialen eingespritzten stromes
ATE106201T1 (de) Schischuh.
ATE83846T1 (de) Ventil fuer einen fahrradschlauch und verfahren zu seiner herstellung.
KR970039239A (ko) 몰딩범퍼 고정구가 형성된 범퍼
ES1031883U (es) Accesorio moldeador-expulsor para moldes de inyeccion.
SE9100827D0 (sv) Rotkanalstift
GB2294497A (en) A female part that can be locked in selective positions on a round rod
FI955190A (fi) Pikakiinnityssovitelma esimerkiksi kytkinlaitetta varten
KR970045813A (ko) 너트캡 구조
WO1996001581A3 (de) Sitzmöbel
ES1042457U (es) Racor para el acoplamiento entre tubos.
SE9002572L (en) Socket used with lock spanner - comprises front and rear segments

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 677371

Country of ref document: ES