JPS5348334A - Method of making underdrain pipe having noohole portion from synthetic resin - Google Patents

Method of making underdrain pipe having noohole portion from synthetic resin

Info

Publication number
JPS5348334A
JPS5348334A JP12296776A JP12296776A JPS5348334A JP S5348334 A JPS5348334 A JP S5348334A JP 12296776 A JP12296776 A JP 12296776A JP 12296776 A JP12296776 A JP 12296776A JP S5348334 A JPS5348334 A JP S5348334A
Authority
JP
Japan
Prior art keywords
noohole
making
synthetic resin
underdrain pipe
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
JP12296776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5537410B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kenjirou Maruyama
Masato Takao
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 Bakelite Co Ltd
Original Assignee
Sumitomo Bakelite Co 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 Bakelite Co Ltd filed Critical Sumitomo Bakelite Co Ltd
Priority to JP12296776A priority Critical patent/JPS5348334A/ja
Publication of JPS5348334A publication Critical patent/JPS5348334A/ja
Publication of JPS5537410B2 publication Critical patent/JPS5537410B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP12296776A 1976-10-15 1976-10-15 Method of making underdrain pipe having noohole portion from synthetic resin Granted JPS5348334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12296776A JPS5348334A (en) 1976-10-15 1976-10-15 Method of making underdrain pipe having noohole portion from synthetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12296776A JPS5348334A (en) 1976-10-15 1976-10-15 Method of making underdrain pipe having noohole portion from synthetic resin

Publications (2)

Publication Number Publication Date
JPS5348334A true JPS5348334A (en) 1978-05-01
JPS5537410B2 JPS5537410B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-09-27

Family

ID=14849029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12296776A Granted JPS5348334A (en) 1976-10-15 1976-10-15 Method of making underdrain pipe having noohole portion from synthetic resin

Country Status (1)

Country Link
JP (1) JPS5348334A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151964A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-05-30 1975-12-06
JPS5170373A (en) * 1974-12-10 1976-06-17 Sumitomo Bakelite Co Mukobuojusuru jukokanno seizohoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151964A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-05-30 1975-12-06
JPS5170373A (en) * 1974-12-10 1976-06-17 Sumitomo Bakelite Co Mukobuojusuru jukokanno seizohoho

Also Published As

Publication number Publication date
JPS5537410B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-09-27

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