JPS52155668A - Method of producing long and large bore plastic pipe - Google Patents

Method of producing long and large bore plastic pipe

Info

Publication number
JPS52155668A
JPS52155668A JP7226776A JP7226776A JPS52155668A JP S52155668 A JPS52155668 A JP S52155668A JP 7226776 A JP7226776 A JP 7226776A JP 7226776 A JP7226776 A JP 7226776A JP S52155668 A JPS52155668 A JP S52155668A
Authority
JP
Japan
Prior art keywords
plastic pipe
large bore
producing long
bore plastic
producing
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.)
Granted
Application number
JP7226776A
Other languages
Japanese (ja)
Other versions
JPS5848334B2 (en
Inventor
Hisashi Maizumi
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP51072267A priority Critical patent/JPS5848334B2/en
Publication of JPS52155668A publication Critical patent/JPS52155668A/en
Publication of JPS5848334B2 publication Critical patent/JPS5848334B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP51072267A 1976-06-21 1976-06-21 Manufacturing method of long large diameter plastic pipe Expired JPS5848334B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51072267A JPS5848334B2 (en) 1976-06-21 1976-06-21 Manufacturing method of long large diameter plastic pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51072267A JPS5848334B2 (en) 1976-06-21 1976-06-21 Manufacturing method of long large diameter plastic pipe

Publications (2)

Publication Number Publication Date
JPS52155668A true JPS52155668A (en) 1977-12-24
JPS5848334B2 JPS5848334B2 (en) 1983-10-27

Family

ID=13484328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51072267A Expired JPS5848334B2 (en) 1976-06-21 1976-06-21 Manufacturing method of long large diameter plastic pipe

Country Status (1)

Country Link
JP (1) JPS5848334B2 (en)

Also Published As

Publication number Publication date
JPS5848334B2 (en) 1983-10-27

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