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
Japanese (ja)
Other versions
JPH0472006B2 (en
JPH011814A (en
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/en
Priority claimed from JP63-101946A external-priority patent/JPH011814A/en
Publication of JPS641814A publication Critical patent/JPS641814A/en
Publication of JPH011814A publication Critical patent/JPH011814A/en
Publication of JPH0472006B2 publication Critical patent/JPH0472006B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To increase the drainage area and to improve the pressure strength by making lap deposition of the extension films with fine slits in the direction of right angle with each other, winding and loading them spirally and manufacturing a pipe for underdrainage by bonding with resin.
CONSTITUTION: The fine slits are provided to the extension films such as the high density of polyethylene film etc., in the direction of the extension, and they are made lap deposition together as a unit in the direction of right angle with each other to form a belt-like split cloth 3. Then, the belt-like split cloth is wound and loaded in order spirally so as to overlap the side edge, but, at the same time, a low melting point of synthetic resin 5 is wound and loaded to the side edge section, and a belt-like reinforced thread body 6 consisting of the hard polyethylene resin, etc., is fused and welded by heating and melting of the tape 5.
COPYRIGHT: (C)1989,JPO&Japio
JP63-101946A 1988-04-25 Underdrain drain pipe and its manufacturing method Granted JPH011814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63-101946A JPH011814A (en) 1988-04-25 Underdrain drain pipe and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63-101946A JPH011814A (en) 1988-04-25 Underdrain drain pipe and its manufacturing method

Publications (3)

Publication Number Publication Date
JPS641814A true JPS641814A (en) 1989-01-06
JPH011814A JPH011814A (en) 1989-01-06
JPH0472006B2 JPH0472006B2 (en) 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 (en) * 2002-01-15 2003-07-23 정인선 Perforated Pipe Using Polyethylene
US6905286B2 (en) * 2001-03-12 2005-06-14 Totaku Industries, Inc. Porous pipe and apparatus and method of producing the same
EP2458253A1 (en) * 2010-11-24 2012-05-30 NORRES Schlauchtechnik GmbH & Co. KG Strip wound hose
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 (en) * 1981-03-12 1981-11-13
JPS5959416A (en) * 1982-09-30 1984-04-05 Toyo Chem Co Ltd Preparation of thermally shrinkable tube
JPS5970511A (en) * 1982-10-15 1984-04-21 Toyo Chem Co Ltd Preparation of heat shrinkable tube
JPS5973913A (en) * 1982-10-20 1984-04-26 Toyo Chem Co Ltd Manufacture of thermoshrinkable tube

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 (en) * 1981-03-12 1981-11-13
JPS5959416A (en) * 1982-09-30 1984-04-05 Toyo Chem Co Ltd Preparation of thermally shrinkable tube
JPS5970511A (en) * 1982-10-15 1984-04-21 Toyo Chem Co Ltd Preparation of heat shrinkable tube
JPS5973913A (en) * 1982-10-20 1984-04-26 Toyo Chem Co Ltd Manufacture of thermoshrinkable tube

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 (en) * 2001-03-12 2011-12-05 토타쿠 고교 가부시키가이샤 Perforated tube and method for making the same
KR20030062004A (en) * 2002-01-15 2003-07-23 정인선 Perforated Pipe Using Polyethylene
EP2458253A1 (en) * 2010-11-24 2012-05-30 NORRES Schlauchtechnik GmbH & Co. KG Strip wound hose
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 (en) 1992-11-17

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