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.
Patent No.:
Date of Patent:
Apr. 18, 1989
Filed:
Jun. 24, 1987
Applicant:
Inventors:
Yasuhiro Shinoda, Kashiwa, JP;
Yoshifumi Takahashi, Tokyo, JP;
Tsuneto Takaso, Tokyo, JP;
Akira Hagiwara, Tokyo, JP;
Yoshiaki Ishii, Tokyo, JP;
Assignee:
Nippon Hume Pipe Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
405154 ; 248 71 ; 405132 ; 405150 ;
Abstract
A cable is previously introduced into a pipe in which the cable is to be laid. A wagon is caused to move through the pipe and the cable is raised up with the aid of an arm disposed at the fore part of the wagon until it abuts against the inner wall of the pipe. The cable is then fixed to the inner wall of the pipe by using fixing means disposed at the rear part of the wagon.