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:
Mar. 23, 1999
Filed:
Jun. 26, 1998
Applicant:
Inventor:
Michito Saito, Tokyo, JP;
Assignee:
Calsonic Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138156 ; 138166 ; 138171 ; 138168 ; 138 89 ;
Abstract
The leading end portion of a caulking pawl portion formed in the end portion of a pipe main body is formed integrally with the pipe main body through the side surface portion of the caulking pawl portion which has a larger width in the longitudinal direction thereof than the width of the leading end portion in the longitudinal direction thereof. At the same time, the leading end portion of the caulking pawl portion is also formed integrally with the cap side end of the side surface portion of the caulking pawl portion.