IT8347638A0 - Barriera contro flusso inverso, in particolare per macchine di stampaggio ad iniezione - Google Patents

Barriera contro flusso inverso, in particolare per macchine di stampaggio ad iniezione

Info

Publication number
IT8347638A0
IT8347638A0 IT8347638A IT4763883A IT8347638A0 IT 8347638 A0 IT8347638 A0 IT 8347638A0 IT 8347638 A IT8347638 A IT 8347638A IT 4763883 A IT4763883 A IT 4763883A IT 8347638 A0 IT8347638 A0 IT 8347638A0
Authority
IT
Italy
Prior art keywords
injection molding
reverse flow
molding machines
barrier against
against reverse
Prior art date
Application number
IT8347638A
Other languages
English (en)
Other versions
IT1168759B (it
Inventor
Eichlseder Martin
Burkle Erwin
Original Assignee
Krauss Maffei Ag
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 Krauss Maffei Ag filed Critical Krauss Maffei Ag
Publication of IT8347638A0 publication Critical patent/IT8347638A0/it
Application granted granted Critical
Publication of IT1168759B publication Critical patent/IT1168759B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Check Valves (AREA)
IT47638/83A 1982-02-04 1983-01-31 Barriera contro flusso inverso,in particolare per macchine di stampaggio ad iniezione IT1168759B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823203762 DE3203762A1 (de) 1982-02-04 1982-02-04 Rueckstroemsperre

Publications (2)

Publication Number Publication Date
IT8347638A0 true IT8347638A0 (it) 1983-01-31
IT1168759B IT1168759B (it) 1987-05-20

Family

ID=6154762

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47638/83A IT1168759B (it) 1982-02-04 1983-01-31 Barriera contro flusso inverso,in particolare per macchine di stampaggio ad iniezione

Country Status (5)

Country Link
US (1) US4477242A (it)
JP (1) JPS58134287A (it)
DE (1) DE3203762A1 (it)
FR (1) FR2520661B1 (it)
IT (1) IT1168759B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3612644A1 (de) * 1985-04-16 1986-10-16 Ube Industries, Ltd., Ube, Yamaguchi Einspritzvorrichtung
US4850851A (en) * 1988-01-07 1989-07-25 Cincinnati Milacron, Inc. Anti-backflow valve for injection molding machines
JPS6487218A (en) * 1987-09-30 1989-03-31 Ngk Insulators Ltd Backflow prevention valve for injection molding machine
ES2011346A6 (es) * 1988-05-12 1990-01-01 Pena Roca Juan Cierre perfeccionado para husillos de piston en las maquinas de inyeccion de plastico.
US4988281A (en) * 1989-09-07 1991-01-29 Husky Injection Molding Systems Ltd. Valve assembly for injection molding machine
US5044926A (en) * 1990-06-25 1991-09-03 Cincinnati Milacron Inc. Anti-backflow valve for injection molding machines
US5229145A (en) * 1990-06-27 1993-07-20 David Brown Multi-level stacked mold system
US5458843A (en) * 1990-06-27 1995-10-17 Tradesco Mold Limited Pin-less drool prevention system
US5112213A (en) * 1991-02-26 1992-05-12 Van Dorn Company Driven ring-type non-return valve for injection molding
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
US5370518A (en) * 1992-01-29 1994-12-06 Kabushiki Kaisha Komatsu Seisakusho Apparatus for injection and compression molding
CA2143244C (en) * 1994-02-24 1999-04-20 Mikiyoshi Miyauchi Screw head for injection molding machine
US5599096A (en) * 1996-03-04 1997-02-04 Rog; Aleksandr Disc screw extruder with free-floating operating member
DE19716127C1 (de) * 1997-04-17 1998-03-05 Krauss Maffei Ag Extruderschnecke
US6203311B1 (en) * 1998-05-04 2001-03-20 Robert F. Dray Sliding ring non-return valve
US6200127B1 (en) 1999-02-26 2001-03-13 Milacron Inc. Bi-directional check ring for a two-stage injection unit
US6168411B1 (en) 1999-03-18 2001-01-02 Dynisco Extrusion, Inc. Polymer filtration method and apparatus
US6585001B2 (en) * 2000-11-30 2003-07-01 Spirex Corporation Flow through ring valve for plastic extruding systems
US6957953B2 (en) * 2003-02-20 2005-10-25 Graham Packaging Company, L.P. Reservoir reducing screw tip
US7104775B2 (en) * 2003-03-27 2006-09-12 Lg Cable Ltd. Injection unit having rotatable device for preventing reverse flow
US7510387B2 (en) * 2004-06-30 2009-03-31 Husky Injection Molding Systems Ltd. Control system for dynamic feed coinjection process
US20070047380A1 (en) * 2005-08-30 2007-03-01 Benjamin Craig A Extruder screw tip
US20070065538A1 (en) * 2005-09-16 2007-03-22 Husky Injection Molding Systems Ltd. Molding system having valve including pump
JP4820162B2 (ja) * 2005-12-15 2011-11-24 スパイラル ロジック エルティディ スクリュー、射出装置及び圧力部材
TWI405657B (zh) * 2007-02-09 2013-08-21 Sumitomo Heavy Industries Screw and injection device
BRPI0808472A2 (pt) * 2007-03-10 2014-07-15 Cool Options Inc Parafuso para processar metal, ligas metálicas e compósitos de matriz metálica em máquina de moldagem por injeção de plástico, máquina de moldagem por injeção de plástico, e, método para processar metal, ligas metálicas e compósitos de matriz metálica em uma máquina de moldagem por injeção de plástico e para modificar um parafuso para uma máquina de moldagem por injeção.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1242329A (fr) * 1959-08-17 1960-09-30 Mach Foucher Perfectionnements apportés aux machines pour le moulage des matières plastiques
US3319299A (en) * 1965-04-19 1967-05-16 Dorn Co V Injection molding nozzle
GB1137043A (en) * 1967-01-04 1968-12-18 Turner Machinery Ltd Injection moulding machines
JPS5214659A (en) * 1975-07-25 1977-02-03 Mitsubishi Heavy Ind Ltd Injection molding machine
DE2617977A1 (de) * 1976-04-24 1977-11-10 Gkn Windsor Gmbh Vorrichtung zum plastifizieren und schmelzen von kunststoff mit einem beheizbaren plastifizierzylinder
DE2635144A1 (de) * 1976-08-05 1978-02-09 Demag Kunststofftech Rueckstroemsperre an schneckenspritzgiessmaschinen
DE3009399A1 (de) * 1980-03-12 1981-09-24 Fa. Johannes Panick, 4730 Ahlen Plastifizierzylinder fuer kunststoff-spritzgiessmaschinen
DE3240872C2 (de) * 1982-11-05 1986-10-09 Erich 7141 Steinheim Blattert Rückstromsperre für eine Schnecken-Spritzgießmaschine

Also Published As

Publication number Publication date
US4477242A (en) 1984-10-16
DE3203762A1 (de) 1983-08-11
IT1168759B (it) 1987-05-20
FR2520661B1 (fr) 1986-09-26
FR2520661A1 (fr) 1983-08-05
JPS58134287A (ja) 1983-08-10

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