IT974729B - Valvola di ritegno per una macchi na per lo stampaggio ad iniezione - Google Patents

Valvola di ritegno per una macchi na per lo stampaggio ad iniezione

Info

Publication number
IT974729B
IT974729B IT33076/72A IT3307672A IT974729B IT 974729 B IT974729 B IT 974729B IT 33076/72 A IT33076/72 A IT 33076/72A IT 3307672 A IT3307672 A IT 3307672A IT 974729 B IT974729 B IT 974729B
Authority
IT
Italy
Prior art keywords
macchi
check valve
injection molding
molding
check
Prior art date
Application number
IT33076/72A
Other languages
English (en)
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 IT974729B publication Critical patent/IT974729B/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F13/00—Apparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups
    • G01F13/001—Apparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups for fluent solid material
    • G01F13/005—Apparatus 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details 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
    • G01F15/005—Valves

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)
IT33076/72A 1971-12-10 1972-12-18 Valvola di ritegno per una macchi na per lo stampaggio ad iniezione IT974729B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT974729B true IT974729B (it) 1974-07-10

Family

ID=22768046

Family Applications (1)

Application Number Title Priority Date Filing Date
IT33076/72A IT974729B (it) 1971-12-10 1972-12-18 Valvola di ritegno per una macchi na per lo stampaggio ad iniezione

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
BR7208673D0 (pt) 1973-08-30
US3739958A (en) 1973-06-19
JPS4866158A (it) 1973-09-11
AU4902072A (en) 1974-05-23
FR2162394A1 (it) 1973-07-20
CA985466A (en) 1976-03-16
DE2260345A1 (de) 1973-06-28

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