Title:
PROCESSING METHOD FOR GAS PIPE NOT IN USE
Document Type and Number:
Japanese Patent JP3314391
Kind Code:
B2
Abstract:
PURPOSE: To provide a processing method for a gas pipe not in use into which hardening liquid resin can be injected from a rise up end part side of the supply gas pipe not in use.
CONSTITUTION: A wire rod 9, to whose point end a small ball 13 of expanding after a fixed time is mounted, is inserted from a rise up end part of a gas supply pipe 4 not in use for gas supply. The small ball 13 is positioned in a branch part and expanded to interrupt gas. Thereafter, from a thin pipe 10 attached to the wire rod 9 or by vacuumizing this thin pipe 10, hardening liquid resin 21 is injected into the gas supply pipe 4.
Inventors:
Yukio Sato
Kiyoshi Shinkaku
Kiyoshi Shinkaku
Application Number:
JP18897091A
Publication Date:
August 12, 2002
Filing Date:
July 29, 1991
Export Citation:
Assignee:
ThreeBond Co., Ltd.
International Classes:
F16L1/024; (IPC1-7): F16L1/024
Domestic Patent References:
| JP3113185A | ||||
| JP60114499A |
Attorney, Agent or Firm:
Hidekazu Miyoshi (4 outside)
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