Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
UNDERGROUND PIPE AND EXECUTION THEREOF
Document Type and Number:
Japanese Patent JP2617160
Kind Code:
B2
Abstract:

PURPOSE: To prevent a catch basin or the like from deformation or damage caused by the sink of a vertically buried underground pipe due to the sinkage of a foundation in the case of building a sewerage system or the like.
CONSTITUTION: After a coating member 9 consisting of a synthetic resin film or the like is temporarily fixed on the outer peripheral part of an underground pipe 2 vertically buried, the underground pipe 2 is buried in the earth and sand 10. The coating member 9 is prevented from being sunk along the underground pipe 2 together with the earth and sand 10 so that the underground pipe 2 is affected by a load of the earth and sand 10 when the earth and sand 10 are sunk due to defective backfilling or the like.


Inventors:
Nakai Yoshitaka
Application Number:
JP4223693A
Publication Date:
June 04, 1997
Filing Date:
February 06, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Aronkasei Co., Ltd.
International Classes:
E03F3/02; E02D29/12; E03F5/02; E03F5/10; F16L1/024; F16L57/00; (IPC1-7): E03F3/02; E02D29/12; E03F5/02; E03F5/10
Attorney, Agent or Firm:
Masahiro Koda



 
Previous Patent: THIN-ELECTRIC CONNECTOR

Next Patent: PACKED MORTAR