The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 28, 2004

Filed:

Oct. 31, 2002
Applicant:
Inventors:

Masatoshi Ishikawa, Osaka, JP;

Hitoshi Saito, Osaka, JP;

Futoshi Makimoto, Hyogo, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 5/516 ;
U.S. Cl.
CPC ...
F16L 5/516 ;
Abstract

The present invention relates to a conduit repairing material, repairing structure, and repairing method thereof, and particularly provides a repairing method for an existing conduit characterized by comprising using a plurality of reinforcing members capable of being carried in the existing conduit, assembling said reinforcing members into a hollow skeleton-like reinforcing body extending substantially along the inner surface of the existing conduit, attaching a plurality of inner face bars to the inside of the reinforcing body to assemble them into a tubular form along the lengthwise direction of the conduit, and injecting a curable infilling into the gap between the inner face bars and the inner surface of the existing conduit.


Find Patent Forward Citations

Loading…