JPS4990780A - - Google Patents

Info

Publication number
JPS4990780A
JPS4990780A JP48000685A JP68573A JPS4990780A JP S4990780 A JPS4990780 A JP S4990780A JP 48000685 A JP48000685 A JP 48000685A JP 68573 A JP68573 A JP 68573A JP S4990780 A JPS4990780 A JP S4990780A
Authority
JP
Japan
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
JP48000685A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP48000685A priority Critical patent/JPS4990780A/ja
Publication of JPS4990780A publication Critical patent/JPS4990780A/ja
Pending 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/625Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP48000685A 1972-12-31 1972-12-31 Pending JPS4990780A (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP48000685A JPS4990780A (ru) 1972-12-31 1972-12-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48000685A JPS4990780A (ru) 1972-12-31 1972-12-31

Publications (1)

Publication Number Publication Date
JPS4990780A true JPS4990780A (ru) 1974-08-29

Family

ID=11480601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48000685A Pending JPS4990780A (ru) 1972-12-31 1972-12-31

Country Status (1)

Country Link
JP (1) JPS4990780A (ru)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4220306Y1 (ru) * 1966-11-05 1967-11-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4220306Y1 (ru) * 1966-11-05 1967-11-25

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