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:
Sep. 10, 1991
Filed:
May. 23, 1989
Applicant:
Inventor:
Masayoshi Usui, Shizuoka, JP;
Assignee:
Usui International Industry Ltd., Shimizu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285197 ; 285319 ; 285156 ; 285305 ;
Abstract
A tubular fitting used for the connection of pipes, is formed such that if a main pipe and a branch pipe are inserted respectively within a through hole and a branch hole within the main fitting, and are coupled with the main fitting by means of the engaging body being engaged with the branch pipe and the branch pipe being engaged with the main pipe, the main pipe and the branch pipe can be securely connected by mechanical means without having to perform brazing operations.