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:
Jan. 16, 1990
Filed:
May. 26, 1988
Applicant:
Inventors:
Kunitoshi Kimura, Osaka, JP;
Tetsuzo Arai, Takarazuka, JP;
Hiroshi Matsuoka, Tsu, JP;
Toshiharu Nakagawa, Suzuka, JP;
Assignees:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Nitto Electric Industrial Company, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138109 ; 204 141 ; 204 20 ; 204 40 ; 285288 ; 285333 ;
Abstract
An FRP pipe having threaded ends at both ends, such as casing, tubing, and coupling, is disclosed, which is characterized in that metal plating is formed on the surface of at least one of the threaded ends.