Title:
MANHOLE FOR WATER-SUPPLY
Document Type and Number:
Japanese Patent JPS5238764
Kind Code:
A
Abstract:
PURPOSE: A water-supply pipe 2 is exposed at every desired interval being equipped with suitable manholes / so that they should surround each exposed point. One or plural number of valves 3 to open and close the pipe and joint sections 4 which permit releasing the pipe with desired operation distance are disposed.
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| JP2002013169 | SLUICE VALVE CASING |
Inventors:
GOTOU KEIJIROU
Application Number:
JP11449875A
Publication Date:
March 25, 1977
Filing Date:
September 22, 1975
Export Citation:
Assignee:
GOTOU KEIJIROU
International Classes:
E03B9/10; E03B9/00; E03B9/02; (IPC1-7): E03B9/00
Domestic Patent References:
| JPS4523221Y1 | 1970-09-12 |
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