JPS6259646B2 - - Google Patents

Info

Publication number
JPS6259646B2
JPS6259646B2 JP15468478A JP15468478A JPS6259646B2 JP S6259646 B2 JPS6259646 B2 JP S6259646B2 JP 15468478 A JP15468478 A JP 15468478A JP 15468478 A JP15468478 A JP 15468478A JP S6259646 B2 JPS6259646 B2 JP S6259646B2
Authority
JP
Japan
Prior art keywords
core
tube
plastic tube
roller
cross
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
Application number
JP15468478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5581120A (en
Inventor
Shohei Sone
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Plastics 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 Mitsubishi Plastics Industries Ltd filed Critical Mitsubishi Plastics Industries Ltd
Priority to JP15468478A priority Critical patent/JPS5581120A/ja
Publication of JPS5581120A publication Critical patent/JPS5581120A/ja
Publication of JPS6259646B2 publication Critical patent/JPS6259646B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
JP15468478A 1978-12-15 1978-12-15 Method and apparatus for providing tube inside surface with cut groove Granted JPS5581120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15468478A JPS5581120A (en) 1978-12-15 1978-12-15 Method and apparatus for providing tube inside surface with cut groove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15468478A JPS5581120A (en) 1978-12-15 1978-12-15 Method and apparatus for providing tube inside surface with cut groove

Publications (2)

Publication Number Publication Date
JPS5581120A JPS5581120A (en) 1980-06-18
JPS6259646B2 true JPS6259646B2 (cs) 1987-12-11

Family

ID=15589650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15468478A Granted JPS5581120A (en) 1978-12-15 1978-12-15 Method and apparatus for providing tube inside surface with cut groove

Country Status (1)

Country Link
JP (1) JPS5581120A (cs)

Also Published As

Publication number Publication date
JPS5581120A (en) 1980-06-18

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