CA2056772C - Plasticizing assembly for use in an injection molding machine - Google Patents

Plasticizing assembly for use in an injection molding machine

Info

Publication number
CA2056772C
CA2056772C CA002056772A CA2056772A CA2056772C CA 2056772 C CA2056772 C CA 2056772C CA 002056772 A CA002056772 A CA 002056772A CA 2056772 A CA2056772 A CA 2056772A CA 2056772 C CA2056772 C CA 2056772C
Authority
CA
Canada
Prior art keywords
cylinder
valve
section
feed screw
needle
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 - Fee Related
Application number
CA002056772A
Other languages
English (en)
French (fr)
Other versions
CA2056772A1 (en
Inventor
Karl Hehl
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
Application filed by Individual filed Critical Individual
Publication of CA2056772A1 publication Critical patent/CA2056772A1/en
Application granted granted Critical
Publication of CA2056772C publication Critical patent/CA2056772C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/20—Injection nozzles
    • B29C45/23—Feed stopping equipment
    • B29C45/231—Needle valve systems 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
    • 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
    • B29C2045/235—Feed stopping equipment axially movable inclined or orthogonal valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
CA002056772A 1991-02-23 1991-12-02 Plasticizing assembly for use in an injection molding machine Expired - Fee Related CA2056772C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4105731A DE4105731C1 (enExample) 1991-02-23 1991-02-23
DEP4105731.7 1991-02-23

Publications (2)

Publication Number Publication Date
CA2056772A1 CA2056772A1 (en) 1992-08-24
CA2056772C true CA2056772C (en) 1994-11-01

Family

ID=6425747

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002056772A Expired - Fee Related CA2056772C (en) 1991-02-23 1991-12-02 Plasticizing assembly for use in an injection molding machine

Country Status (6)

Country Link
US (1) US5253998A (enExample)
EP (1) EP0501020B1 (enExample)
JP (1) JPH0655393B2 (enExample)
AT (1) ATE124646T1 (enExample)
CA (1) CA2056772C (enExample)
DE (2) DE4105731C1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130287A1 (de) * 1991-02-23 1993-04-01 Karl Hehl Plastifizierzylinder an einer kunststoff-spritzgiessmaschine
EP0531652A3 (de) * 1991-09-12 1993-05-05 Karl Hehl Plastifizierzylinder an einer Kunststoff-Spritzgiessmaschine
DE4222432C2 (de) * 1992-07-09 1995-05-24 Karl Hehl Plastifizierzylinder an einer Kunststoff-Spritzgießmaschine
DE4310980A1 (de) * 1993-04-03 1994-10-06 Spiess Kunststoff Recycling Verfahren und Anlage zum kontinuierlichen Befüllen von zweiteiligen geschlossenen Gießformen mit plastifiziertem Kunststoff, insbesondere mit stark verunreinigtem Kunststoff-Recycling
JP6851703B1 (ja) * 2020-01-15 2021-03-31 株式会社日本製鋼所 シャットオフノズル
JP2023153622A (ja) * 2022-04-05 2023-10-18 株式会社日本製鋼所 ヒータへの樹脂侵入阻害構造、射出装置、および射出成形機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742403C1 (de) * 1987-12-15 1989-05-24 Karl Hehl Plastifizieraggregat mit Armierungsskelett fuer eine Kunststoff-Spritzgiesseinheit
DE3744519A1 (de) * 1987-12-30 1989-07-13 Karl Hehl Plastifizierzylinder fuer eine kunststoff-spritzgiesseinheit
DE4105727C2 (de) * 1990-11-02 1994-11-24 Karl Hehl Plastifizierzylinder an einer Kunststoff-Spritzgießmaschine

Also Published As

Publication number Publication date
ATE124646T1 (de) 1995-07-15
EP0501020A2 (de) 1992-09-02
CA2056772A1 (en) 1992-08-24
JPH0655393B2 (ja) 1994-07-27
EP0501020B1 (de) 1995-07-05
US5253998A (en) 1993-10-19
EP0501020A3 (en) 1992-12-02
DE4105731C1 (enExample) 1992-06-04
DE59105934D1 (de) 1995-08-10
JPH0584795A (ja) 1993-04-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed