JPS641814A - Pipe for underdrainage and manufacture thereof - Google Patents

Pipe for underdrainage and manufacture thereof

Info

Publication number
JPS641814A
JPS641814A JP10194688A JP10194688A JPS641814A JP S641814 A JPS641814 A JP S641814A JP 10194688 A JP10194688 A JP 10194688A JP 10194688 A JP10194688 A JP 10194688A JP S641814 A JPS641814 A JP S641814A
Authority
JP
Japan
Prior art keywords
belt
extension
resin
spirally
wound
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
JP10194688A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0472006B2 (OSRAM
JPH011814A (ja
Inventor
Akio Nagayoshi
Seiji Nagayoshi
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 JP63-101946A priority Critical patent/JPH011814A/ja
Priority claimed from JP63-101946A external-priority patent/JPH011814A/ja
Publication of JPS641814A publication Critical patent/JPS641814A/ja
Publication of JPH011814A publication Critical patent/JPH011814A/ja
Publication of JPH0472006B2 publication Critical patent/JPH0472006B2/ja
Granted legal-status Critical Current

Links

JP63-101946A 1988-04-25 暗渠排水管及びその製造方法 Granted JPH011814A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63-101946A JPH011814A (ja) 1988-04-25 暗渠排水管及びその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63-101946A JPH011814A (ja) 1988-04-25 暗渠排水管及びその製造方法

Publications (3)

Publication Number Publication Date
JPS641814A true JPS641814A (en) 1989-01-06
JPH011814A JPH011814A (ja) 1989-01-06
JPH0472006B2 JPH0472006B2 (OSRAM) 1992-11-17

Family

ID=

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946236A (en) * 1989-05-30 1990-08-07 At&T Bell Laboratories Movable fiber optical switch
KR20030062004A (ko) * 2002-01-15 2003-07-23 정인선 폴리에틸렌을 이용한 유공관
US6905286B2 (en) * 2001-03-12 2005-06-14 Totaku Industries, Inc. Porous pipe and apparatus and method of producing the same
EP2458253A1 (de) * 2010-11-24 2012-05-30 NORRES Schlauchtechnik GmbH & Co. KG Wickelschlauch
EP2708656A1 (en) * 2012-09-13 2014-03-19 Van Oord Dredging and Marine Contractors B.V. Reel with wound drain band.
US9062575B2 (en) 1997-10-30 2015-06-23 RPM Industries, LLC Methods and systems for performing, monitoring and analyzing multiple machine fluid processes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266585A (en) * 1975-11-29 1977-06-02 Akio Nagayoshi Continuous process for making plastic tubing
JPS56151581U (OSRAM) * 1981-03-12 1981-11-13
JPS5959416A (ja) * 1982-09-30 1984-04-05 Toyo Chem Co Ltd 熱収縮チユ−ブの製造方法
JPS5970511A (ja) * 1982-10-15 1984-04-21 Toyo Chem Co Ltd 熱収縮チユ−ブの製造方法
JPS5973913A (ja) * 1982-10-20 1984-04-26 Toyo Chem Co Ltd 熱収縮チユ−ブの製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266585A (en) * 1975-11-29 1977-06-02 Akio Nagayoshi Continuous process for making plastic tubing
JPS56151581U (OSRAM) * 1981-03-12 1981-11-13
JPS5959416A (ja) * 1982-09-30 1984-04-05 Toyo Chem Co Ltd 熱収縮チユ−ブの製造方法
JPS5970511A (ja) * 1982-10-15 1984-04-21 Toyo Chem Co Ltd 熱収縮チユ−ブの製造方法
JPS5973913A (ja) * 1982-10-20 1984-04-26 Toyo Chem Co Ltd 熱収縮チユ−ブの製造方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946236A (en) * 1989-05-30 1990-08-07 At&T Bell Laboratories Movable fiber optical switch
US9062575B2 (en) 1997-10-30 2015-06-23 RPM Industries, LLC Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
US6905286B2 (en) * 2001-03-12 2005-06-14 Totaku Industries, Inc. Porous pipe and apparatus and method of producing the same
KR101089884B1 (ko) * 2001-03-12 2011-12-05 토타쿠 고교 가부시키가이샤 유공관과 그 제조 방법
KR20030062004A (ko) * 2002-01-15 2003-07-23 정인선 폴리에틸렌을 이용한 유공관
EP2458253A1 (de) * 2010-11-24 2012-05-30 NORRES Schlauchtechnik GmbH & Co. KG Wickelschlauch
EP2708656A1 (en) * 2012-09-13 2014-03-19 Van Oord Dredging and Marine Contractors B.V. Reel with wound drain band.

Also Published As

Publication number Publication date
JPH0472006B2 (OSRAM) 1992-11-17

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