Title:
RAPIDLY BURYING PROCESS FOR LARGE DIAMETER STEEL PIPES
Document Type and Number:
Japanese Patent JPS5248829
Kind Code:
A
Abstract:
PURPOSE:Burying rapidly large diameter steel pipes with such a process that pipes are connected with rubber ring with a water and air tightness keeping nail at inside and a jacket pipe and pack a rust preventive material into a jacket pipe.
More Like This:
| WO/2009/015153 | CONNECTOR JUMPER |
| WO/2015/015492 | WATER SOLUBLE SUPPORT FOR JOINING PIPES AND METHODS OF MANUFACTURE AND USE THEREOF |
Inventors:
HARA ATSUSHI
TAKEUCHI TATSUAKI
OGATA JIYUNICHI
TAKEUCHI TATSUAKI
OGATA JIYUNICHI
Application Number:
JP12441675A
Publication Date:
April 19, 1977
Filing Date:
October 17, 1975
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
F16L13/02; B23K9/028; B23K33/00; B23K37/06; (IPC1-7): B23K33/00; B23K37/06; F16L13/02
Domestic Patent References:
| JPS504254A | 1975-01-17 | |||
| JPS4829016A | 1973-04-17 | |||
| JP49061719B | ||||
| JPS4842088A | 1973-06-19 | |||
| JPS504254U | 1975-01-17 |