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:
Jun. 18, 2002
Filed:
Oct. 08, 1999
Applicant:
Inventors:
Takao Shimizu, Aichi, JP;
Hirotsugu Horio, Aichi, JP;
Kazushige Kito, Aichi, JP;
Shigeyuki Inagaki, Aichi, JP;
Assignee:
Daido Tokushuko Kabushiki Kaisha, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/100 ;
U.S. Cl.
CPC ...
F16L 1/100 ;
Abstract
The present invention provides a metal pipe bonded body formed from a plurality of metal pipes. Each metal-pipe is formed with an elongated, pre-formed portion at each end, and a central portion, each elongated, preformed portion having a constant inside diameter greater than an inside diameter of the central portion of each metal pipe.