JPS54143469A - Screw for plastics extruder - Google Patents

Screw for plastics extruder

Info

Publication number
JPS54143469A
JPS54143469A JP5132978A JP5132978A JPS54143469A JP S54143469 A JPS54143469 A JP S54143469A JP 5132978 A JP5132978 A JP 5132978A JP 5132978 A JP5132978 A JP 5132978A JP S54143469 A JPS54143469 A JP S54143469A
Authority
JP
Japan
Prior art keywords
screw
plastics extruder
extruder
plastics
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.)
Pending
Application number
JP5132978A
Other languages
Japanese (ja)
Inventor
Toshiichi Fujimura
Kenji Iwakura
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
Priority to JP5132978A priority Critical patent/JPS54143469A/en
Publication of JPS54143469A publication Critical patent/JPS54143469A/en
Pending 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/60—Thread tops

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP5132978A 1978-04-28 1978-04-28 Screw for plastics extruder Pending JPS54143469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5132978A JPS54143469A (en) 1978-04-28 1978-04-28 Screw for plastics extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5132978A JPS54143469A (en) 1978-04-28 1978-04-28 Screw for plastics extruder

Publications (1)

Publication Number Publication Date
JPS54143469A true JPS54143469A (en) 1979-11-08

Family

ID=12883874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5132978A Pending JPS54143469A (en) 1978-04-28 1978-04-28 Screw for plastics extruder

Country Status (1)

Country Link
JP (1) JPS54143469A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009298034A (en) * 2008-06-13 2009-12-24 Japan Steel Works Ltd:The Extruder screw and method for manufacturing of extruder screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009298034A (en) * 2008-06-13 2009-12-24 Japan Steel Works Ltd:The Extruder screw and method for manufacturing of extruder screw

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