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IT8048576A0 - Dispositivo per colare sottopressione senza materozza articoli polimerici - Google Patents

Dispositivo per colare sottopressione senza materozza articoli polimerici

Info

Publication number
IT8048576A0
IT8048576A0 IT8048576A IT4857680A IT8048576A0 IT 8048576 A0 IT8048576 A0 IT 8048576A0 IT 8048576 A IT8048576 A IT 8048576A IT 4857680 A IT4857680 A IT 4857680A IT 8048576 A0 IT8048576 A0 IT 8048576A0
Authority
IT
Italy
Prior art keywords
sprue
casting polymeric
items
polymeric items
casting
Prior art date
Application number
IT8048576A
Other languages
English (en)
Other versions
IT8048576A1 (it
IT1188933B (it
Inventor
Evgeni Christov Mateev
Zvetan Petrov Krestev
Original Assignee
Nipki Tech Material
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 Nipki Tech Material filed Critical Nipki Tech Material
Publication of IT8048576A0 publication Critical patent/IT8048576A0/it
Publication of IT8048576A1 publication Critical patent/IT8048576A1/it
Application granted granted Critical
Publication of IT1188933B publication Critical patent/IT1188933B/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
    • B29C45/20—Injection nozzles
    • B29C45/23—Feed stopping equipment
    • B29C45/231—Needle valve systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Springs (AREA)
  • Molding Of Porous Articles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT48576/80A 1979-05-07 1980-05-05 Dispositivo per colare sotto pressione senza materozza articoli polimerici IT1188933B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG7943474A BG28748A1 (en) 1979-05-07 1979-05-07 Apparatus for runnerless casting under presure of polymer articles

Publications (3)

Publication Number Publication Date
IT8048576A0 true IT8048576A0 (it) 1980-05-05
IT8048576A1 IT8048576A1 (it) 1981-11-05
IT1188933B IT1188933B (it) 1988-01-28

Family

ID=3906016

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48576/80A IT1188933B (it) 1979-05-07 1980-05-05 Dispositivo per colare sotto pressione senza materozza articoli polimerici

Country Status (12)

Country Link
US (1) US4306852A (it)
JP (1) JPS5619737A (it)
AT (1) AT373823B (it)
BG (1) BG28748A1 (it)
CH (1) CH644549A5 (it)
CS (1) CS244503B1 (it)
DE (1) DE3016702A1 (it)
FR (1) FR2455973B1 (it)
GB (1) GB2048762B (it)
IT (1) IT1188933B (it)
SE (1) SE435152B (it)
SU (1) SU1142299A1 (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3128348A1 (de) * 1981-07-17 1983-02-03 Bühler, Eugen, Dipl.-Ing., 8871 Burtenbach Einrichtung zur herstellung von formlingen aus einer rieselfaehigen masse stichwort: "vorverdichtung im schiesskopf"
EP0047645B1 (en) * 1980-09-05 1984-11-28 Matsushita Electric Industrial Co., Ltd. A method of producing an information recording disk
DE3128347A1 (de) * 1981-07-17 1983-02-03 Eugen Dipl.-Ing. 8871 Burtenbach Bühler Verfahren und einrichtung zur herstellung von formlingen aus rieselfaehiger masse stichwort: "beibehaltung des fuellvakuums beim isostatischen pressen"
JPS5874332A (ja) * 1981-10-30 1983-05-04 Sei Tsutsumi 合成樹脂射出成形方法およびその装置
EP0106980A1 (en) * 1982-09-24 1984-05-02 Jobst Ulrich Gellert Injection molding core ring gate
US4443175A (en) * 1982-11-05 1984-04-17 Rose Robert H Apparatus and method for runnerless transfer molding of thermoset compounds
EP0130986A4 (en) * 1982-11-22 1985-11-25 Richard J Shaw INSULATED INJECTION MOLDING NOZZLE FOR PLASTIC MOLDING MACHINE.
US4613385A (en) * 1984-08-06 1986-09-23 Regents Of The University Of California High strength, low carbon, dual phase steel rods and wires and process for making same
US4622001A (en) * 1985-03-12 1986-11-11 Electra Form, Inc. Cavity cooling system
CA2000421A1 (en) * 1989-10-11 1991-04-11 Jobst Ulrich Gellert Injection molding insulated valve member
US5071340A (en) * 1990-03-02 1991-12-10 Dart Industries Inc. Cooling arrangement for valve stem gates in hot runner injection molding machine systems
US5068065A (en) * 1990-07-31 1991-11-26 Galic Maus Ventures Faster cycling sprue method and apparatus for injection molding plastic optical disks
JP2612795B2 (ja) * 1992-06-15 1997-05-21 世紀株式会社 ランナーレス射出成形装置
CA2203741C (en) * 1997-04-25 2007-02-20 Mold-Masters Limited Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member
US5948448A (en) * 1997-11-18 1999-09-07 Eurotool, Inc. Apparatus for controlling plastic melt flow in injection molding machines
US6228303B1 (en) 1998-11-13 2001-05-08 Semco Plastics Company, Inc. Disappearing gate tab
US6264460B1 (en) 1999-12-09 2001-07-24 Pechiney Emballage Flexible Europe Injection gate insulating and cooling apparatus
WO2001076967A1 (de) * 2000-04-06 2001-10-18 Maro B.V. Für pharmazeutische anwendungen dienender spritzling sowie verfahren zur herstellung des spritzlings
US6769901B2 (en) * 2000-04-12 2004-08-03 Mold-Masters Limited Injection nozzle system for an injection molding machine
US6419116B1 (en) 2001-02-27 2002-07-16 D-M-E Company Molding nozzle gate valve
CA2358187A1 (en) 2001-10-03 2003-04-03 Mold-Masters Limited Nozzle seal
CA2358148A1 (en) 2001-10-03 2003-04-03 Mold-Masters Limited A nozzle
US6962492B2 (en) 2001-10-05 2005-11-08 Mold-Masters Limited Gap seal between nozzle components
CA2473920A1 (en) * 2002-02-21 2003-08-28 Mold-Masters Limited A valve pin guide for a valve-gated nozzle
US7128566B2 (en) 2002-02-21 2006-10-31 Mold-Masters Limited Valve pin guiding tip for a nozzle
CA2485039C (en) * 2002-04-12 2011-06-07 Jobst Ulrich Gellert Mold gate insert with a thermal barrier
JP2005534534A (ja) * 2002-07-30 2005-11-17 モールド‐マスターズ、リミテッド 射出成型装置用バルブピン案内・芯合わせシステム
US7137807B2 (en) 2002-11-21 2006-11-21 Mold-Masters Limited Hot runner nozzle with a tip, a tip surrounding piece and an alignment piece
DE10356937A1 (de) 2002-12-09 2004-07-15 Mold-Masters Ltd., Georgetown Düsenspitze und -dichtung
JP2008246742A (ja) * 2007-03-29 2008-10-16 Aisin Seiki Co Ltd 射出成形用型ノズル構造
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
CN104097300A (zh) * 2014-05-14 2014-10-15 苏州好特斯模具有限公司 一种封胶阀针
CN104149284A (zh) * 2014-07-31 2014-11-19 苏州市华宁机械制造有限公司 一种大水口冷流道及其浇口系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD77307A (it) *
GB779071A (en) * 1953-12-07 1957-07-17 Stokes Machine Co Improved method and apparatus for injection moulding
FR1524962A (fr) * 1964-02-12 1968-05-17 Mecanique Et D Outil De Prec S Buse spéciale pour presses à injecter les matières plastiques
US3461498A (en) * 1966-11-30 1969-08-19 Scott Paper Co Pressure injection apparatus
DE1629704A1 (de) * 1967-04-13 1971-02-04 Albers Dr Ing August Spritzduese fuer Kunststoffe verarbeitende Spritzgiessmaschinen
US3535742A (en) * 1967-07-31 1970-10-27 Paul Marcus Molding apparatus valve and nozzle
FR1605509A (en) * 1968-05-13 1978-02-24 Plastics injection nozzle
US3590439A (en) * 1969-04-28 1971-07-06 Eskil P Swanson Shutoff device for an injection molding machine
IL34598A (en) * 1969-06-07 1974-03-14 Katashi Aoki An injection molding machine
CA928468A (en) * 1970-03-09 1973-06-19 Ladislao, (Wladyslaw) Putkowski Hot runner system
DE2044583A1 (en) * 1970-09-09 1972-03-16 SIEMAG Siegener MaschinenbaaGmbH, 5912 Hilchenbach-Dahlbruch Injection moulding jet - needle with forward face in alignment with jet head face and mould wall to prevent flash
DE2316281A1 (de) * 1973-03-31 1974-10-17 Diamond Tool & Die Co Spritzbuchse zum einfuehren von kunststoff in eine hohlform
DE2408878C3 (de) * 1974-02-23 1979-08-16 Kloeckner-Werke Ag, 4100 Duisburg Vorrichtung für den Spritzguß von Formungen aus ungebrannten keramischen Massen
FR2273646A1 (fr) * 1974-06-07 1976-01-02 Matra Engins Perfectionnements apportes aux procedes et dispositifs pour l'injection de resine ou autre produit polymerisable
CA1029162A (en) * 1975-04-10 1978-04-11 Jobst U. Gellert Bushing seal for valve-gated injection mold
DK138213B (da) * 1975-10-10 1978-07-31 Eduard Freddy Flygenring Nåleventil med nål til indsprøjtningsdyser til formstofstøbeforme.
CA1032318A (en) * 1976-10-12 1978-06-06 Jobst U. Gellert Valve-gated injection molding mechanism

Also Published As

Publication number Publication date
GB2048762A (en) 1980-12-17
FR2455973B1 (it) 1985-03-01
JPS5619737A (en) 1981-02-24
CH644549A5 (de) 1984-08-15
IT8048576A1 (it) 1981-11-05
BG28748A1 (en) 1980-12-12
AT373823B (de) 1984-02-27
DE3016702A1 (de) 1980-11-20
ATA231180A (de) 1983-07-15
SE435152B (sv) 1984-09-10
CS244503B1 (en) 1986-07-17
SE8003390L (sv) 1980-11-08
GB2048762B (en) 1984-03-07
SU1142299A1 (ru) 1985-02-28
FR2455973A1 (it) 1980-12-05
US4306852A (en) 1981-12-22
IT1188933B (it) 1988-01-28

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