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:
Aug. 15, 2000
Filed:
Jul. 06, 1998
Applicant:
Inventors:
Masaru Sato, Osaka, JP;
Toshihiro Nakanishi, Osaka, JP;
Hikaru Mizukoshi, Osaka, JP;
Hiroyuki Masui, Osaka, JP;
Assignee:
Totaku Industries, Inc., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ; F16L / ; F16L / ;
U.S. Cl.
CPC ...
174 47 ; 1741 / ; 1741 / ; 138122 ; 138134 ; 138144 ; 138129 ;
Abstract
Two hard steel wire-made reinforcing wires and two synthetic resin wires which are harder than a soft synthetic resin pipe wall are alternately wound spirally on an inner side of the synthetic resin pipe wall while keeping predetermined intervals.