JPS573909A - Drain pipe for culvert - Google Patents

Drain pipe for culvert

Info

Publication number
JPS573909A
JPS573909A JP7679180A JP7679180A JPS573909A JP S573909 A JPS573909 A JP S573909A JP 7679180 A JP7679180 A JP 7679180A JP 7679180 A JP7679180 A JP 7679180A JP S573909 A JPS573909 A JP S573909A
Authority
JP
Japan
Prior art keywords
water passing
water
drain pipe
valve device
tonque
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.)
Pending
Application number
JP7679180A
Other languages
Japanese (ja)
Inventor
Yasuaki Kanbayashi
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 JP7679180A priority Critical patent/JPS573909A/en
Publication of JPS573909A publication Critical patent/JPS573909A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the clogging of water passing holes by providing a valve device consisting of plural soft tonque pieces projecting from the peripheral edges of a large number of the water passing holes toward the centers of the water-passing holes.
CONSTITUTION: When the amount of water passing reaches a preset value, the tip of a tonque piece 4 is bent toward the inside of a drain pipe 2 by water pressures imposing on a valve device 1, and the area of an opening 5 is changed according to the amount of water passing. In this case, small diametered soil and sand pass through a water passing hole 3, but comparatively large diametered gravels are intercepted to go into the drain pipe by the interruption of the valve device 1.
COPYRIGHT: (C)1982,JPO&Japio
JP7679180A 1980-06-06 1980-06-06 Drain pipe for culvert Pending JPS573909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7679180A JPS573909A (en) 1980-06-06 1980-06-06 Drain pipe for culvert

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7679180A JPS573909A (en) 1980-06-06 1980-06-06 Drain pipe for culvert

Publications (1)

Publication Number Publication Date
JPS573909A true JPS573909A (en) 1982-01-09

Family

ID=13615440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7679180A Pending JPS573909A (en) 1980-06-06 1980-06-06 Drain pipe for culvert

Country Status (1)

Country Link
JP (1) JPS573909A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH074534U (en) * 1993-06-22 1995-01-24 日本テトラポッド株式会社 Water collection pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH074534U (en) * 1993-06-22 1995-01-24 日本テトラポッド株式会社 Water collection pipe

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