JPS5418966A - Method and apparatus for producing underdrain pipe - Google Patents

Method and apparatus for producing underdrain pipe

Info

Publication number
JPS5418966A
JPS5418966A JP8234177A JP8234177A JPS5418966A JP S5418966 A JPS5418966 A JP S5418966A JP 8234177 A JP8234177 A JP 8234177A JP 8234177 A JP8234177 A JP 8234177A JP S5418966 A JPS5418966 A JP S5418966A
Authority
JP
Japan
Prior art keywords
producing
underdrain pipe
underdrain
pipe
producing underdrain
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
JP8234177A
Other languages
Japanese (ja)
Other versions
JPS5845337B2 (en
Inventor
Masao Oogushi
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 JP52082341A priority Critical patent/JPS5845337B2/en
Publication of JPS5418966A publication Critical patent/JPS5418966A/en
Publication of JPS5845337B2 publication Critical patent/JPS5845337B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
JP52082341A 1977-07-09 1977-07-09 Underdrain drainage pipe manufacturing method and manufacturing equipment Expired JPS5845337B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52082341A JPS5845337B2 (en) 1977-07-09 1977-07-09 Underdrain drainage pipe manufacturing method and manufacturing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52082341A JPS5845337B2 (en) 1977-07-09 1977-07-09 Underdrain drainage pipe manufacturing method and manufacturing equipment

Publications (2)

Publication Number Publication Date
JPS5418966A true JPS5418966A (en) 1979-02-13
JPS5845337B2 JPS5845337B2 (en) 1983-10-08

Family

ID=13771852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52082341A Expired JPS5845337B2 (en) 1977-07-09 1977-07-09 Underdrain drainage pipe manufacturing method and manufacturing equipment

Country Status (1)

Country Link
JP (1) JPS5845337B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108501491A (en) * 2018-04-24 2018-09-07 莱芜市金利源环保科技股份有限公司 A kind of french drain production equipment and process

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58192951U (en) * 1982-06-15 1983-12-22 京セラ株式会社 Joint structure of metal and ceramic parts
JPS5954539U (en) * 1982-09-30 1984-04-10 京セラ株式会社 Assembly structure of ceramic parts and metal parts
JPS60103082A (en) * 1983-11-09 1985-06-07 日本碍子株式会社 Metal ceramic bonded body and manufacture
JPS63185536A (en) * 1987-01-28 1988-08-01 Kuroki Kogyosho:Kk Manufacture of double pipe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325043A (en) * 1976-08-19 1978-03-08 Sumitomo Bakelite Co Method of making underdrain pipe having noohole portion
JPS5331869A (en) * 1976-09-03 1978-03-25 Sumitomo Bakelite Co Manufacture of openingless synthetic resin drainage conduit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325043A (en) * 1976-08-19 1978-03-08 Sumitomo Bakelite Co Method of making underdrain pipe having noohole portion
JPS5331869A (en) * 1976-09-03 1978-03-25 Sumitomo Bakelite Co Manufacture of openingless synthetic resin drainage conduit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108501491A (en) * 2018-04-24 2018-09-07 莱芜市金利源环保科技股份有限公司 A kind of french drain production equipment and process

Also Published As

Publication number Publication date
JPS5845337B2 (en) 1983-10-08

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