CA985466A - Non-return valve for injection molding machine - Google Patents

Non-return valve for injection molding machine

Info

Publication number
CA985466A
CA985466A CA156,581A CA156581A CA985466A CA 985466 A CA985466 A CA 985466A CA 156581 A CA156581 A CA 156581A CA 985466 A CA985466 A CA 985466A
Authority
CA
Canada
Prior art keywords
injection molding
molding machine
return valve
return
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
Application number
CA156,581A
Other languages
English (en)
Other versions
CA156581S (en
Inventor
Raymond A. York
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.)
Beloit Corp
Original Assignee
Beloit Corp
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 Beloit Corp filed Critical Beloit Corp
Application granted granted Critical
Publication of CA985466A publication Critical patent/CA985466A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50Axially movable screw
    • B29C45/52Non-return devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F13/00Apparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups
    • G01F13/001Apparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups for fluent solid material
    • G01F13/005Apparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups for fluent solid material comprising a screw conveyor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/005Valves

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA156,581A 1971-12-10 1972-11-16 Non-return valve for injection molding machine Expired CA985466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20680571A 1971-12-10 1971-12-10

Publications (1)

Publication Number Publication Date
CA985466A true CA985466A (en) 1976-03-16

Family

ID=22768046

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,581A Expired CA985466A (en) 1971-12-10 1972-11-16 Non-return valve for injection molding machine

Country Status (8)

Country Link
US (1) US3739958A (it)
JP (1) JPS4866158A (it)
AU (1) AU4902072A (it)
BR (1) BR7208673D0 (it)
CA (1) CA985466A (it)
DE (1) DE2260345A1 (it)
FR (1) FR2162394A1 (it)
IT (1) IT974729B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH541412A (de) * 1972-07-18 1973-09-15 Bucher Guyer Ag Masch Spritzgiessmaschine zur Verarbeitung von Kunststoffen
IT1068494B (it) * 1976-06-07 1985-03-21 Visco Dynamics Corp Apparecchio atto a consentire la fusione rapida e la contemporanea applicazione nel punto voluto di materiali termofusibili in genere
FR2549770A1 (fr) * 1983-07-28 1985-02-01 Manceau Marcel Unite d'injection de matiere plastique dans un moule
JPS60117112U (ja) * 1984-01-13 1985-08-08 株式会社 名機製作所 射出成形機
US5112213A (en) * 1991-02-26 1992-05-12 Van Dorn Company Driven ring-type non-return valve for injection molding
US5164207A (en) * 1991-11-08 1992-11-17 Spirex Corporation Plastic extruder with automatic shut-off valve
AT397229B (de) * 1992-03-12 1994-02-25 Engel Gmbh Maschbau Rückstromsperre für eine einspritzeinheit einer spritzgiessmaschine
US5819983A (en) * 1995-11-22 1998-10-13 Camelot Sysems, Inc. Liquid dispensing system with sealing augering screw and method for dispensing
DE29915768U1 (de) * 1999-09-08 2000-10-19 Wegener Gmbh, 52074 Aachen Extruderschweißeinrichtung
US20030021860A1 (en) * 2001-07-24 2003-01-30 Clock Jason B. Twin screw compounding/injection molding apparatus and process
US20070065538A1 (en) * 2005-09-16 2007-03-22 Husky Injection Molding Systems Ltd. Molding system having valve including pump
IT201700045807A1 (it) * 2017-04-28 2017-07-28 Hero Europe S R L Dispositivo, sistema di dosaggio per prodotti in polvere, liquidi, pastosi o cremosi e macchina dispensatrice comprendente tale dispositivo
IT202000002281A1 (it) 2020-02-05 2020-05-05 Hero Europe S R L Dispositivo per erogare e dosare materiali in polvere o pastosi o liquidi

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335461A (en) * 1964-06-12 1967-08-15 Lester Engineering Co Reciprocating screw injection molding machine
US3486664A (en) * 1967-12-12 1969-12-30 Baker Perkins Inc Material feeding device for a continuous mixer,reactor,or the like

Also Published As

Publication number Publication date
DE2260345A1 (de) 1973-06-28
JPS4866158A (it) 1973-09-11
US3739958A (en) 1973-06-19
IT974729B (it) 1974-07-10
FR2162394A1 (it) 1973-07-20
AU4902072A (en) 1974-05-23
BR7208673D0 (pt) 1973-08-30

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