CH528968A - Extruder for plastic - Google Patents

Extruder for plastic

Info

Publication number
CH528968A
CH528968A CH339272A CH339272A CH528968A CH 528968 A CH528968 A CH 528968A CH 339272 A CH339272 A CH 339272A CH 339272 A CH339272 A CH 339272A CH 528968 A CH528968 A CH 528968A
Authority
CH
Switzerland
Prior art keywords
extruder
plastic
Prior art date
Application number
CH339272A
Other languages
German (de)
Inventor
Lowell Putnam Roger
Cyprian Trombley Carroll
James Cumings Francis
Original Assignee
Package Machinery Co
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 Package Machinery Co filed Critical Package Machinery Co
Publication of CH528968A publication Critical patent/CH528968A/en

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
    • B29C45/72—Heating or cooling
    • B29C45/74—Heating or cooling of the injection unit
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CH339272A 1971-07-15 1972-03-08 Extruder for plastic CH528968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16295271A 1971-07-15 1971-07-15

Publications (1)

Publication Number Publication Date
CH528968A true CH528968A (en) 1972-10-15

Family

ID=22587810

Family Applications (1)

Application Number Title Priority Date Filing Date
CH339272A CH528968A (en) 1971-07-15 1972-03-08 Extruder for plastic

Country Status (5)

Country Link
BR (1) BR7201161D0 (en)
CH (1) CH528968A (en)
DE (1) DE2207427A1 (en)
FR (1) FR2145456A1 (en)
NL (1) NL7205048A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417492A (en) * 1991-05-07 1995-05-23 Christian Engineering Apparatus for continuously mixing and electrically heating flowable materials conveyed by a pair of rotatable screws

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9415720D0 (en) * 1994-08-03 1994-09-21 Environmental Polymers Ltd Extrusion and moulding apparatus and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417492A (en) * 1991-05-07 1995-05-23 Christian Engineering Apparatus for continuously mixing and electrically heating flowable materials conveyed by a pair of rotatable screws

Also Published As

Publication number Publication date
DE2207427A1 (en) 1973-02-01
FR2145456A1 (en) 1973-02-23
NL7205048A (en) 1973-01-17
BR7201161D0 (en) 1973-07-10

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Legal Events

Date Code Title Description
PL Patent ceased