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Patent Searching and Data


Title:
FLEXIBLE PIPE AND EXECUTING METHOD THEREOF
Document Type and Number:
Japanese Patent JPH04357293
Kind Code:
A
Abstract:

PURPOSE: To improve the execution efficiency by providing a slit type cut narrow hole, which is extended in the circumferential direction, in the peripheral wall of a steel pipe, and providing a filling hole of cement milk in the peripheral wall, and providing an air exhausting hole in the tip of the pipe.

CONSTITUTION: When a pipe 1 is inserted into a pipe insertion hole 25 formed in the natural ground, and cement milk is filled into the pipe 1 through a filling pipe 31, the cement milk is filled in the pipe 1, while being filled in the insertion hole 25 outside of the pipe 1 through a filling hole formed in the peripheral wall of the pipe 1. At this stage, opening of the insertion hole 25 is closed by an opening caulking 32, and the air inside of the pipe 1 is exhausted from an air exhausting pipe 30 to the outside, and the air outside of the pipe 1 is exhausted from the pipe 30 to the outside through an air hole 13 of a cap fitted in the tip of the pipe 1. When the filled cement milk is solidified, a flexible pipe bolt or a miniature pipe roof is formed.


Inventors:
Hara, Hidetoshi
Umezaki, Satoru
Kamimura, Masato
Application Number:
JP1991000034735
Publication Date:
December 10, 1992
Filing Date:
February 28, 1991
Export Citation:
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Assignee:
MAEDA CORP
International Classes:
E21D9/04; E21D20/00; (IPC1-7): E21D9/04