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:
May. 08, 2001
Filed:
Dec. 28, 1998
Kouki Fukui, Osaka, JP;
Isao Kurimoto, Osaka, JP;
Totaku Industries, Inc., Osaka, JP;
Abstract
A corrugated resin elbow comprises a corrugate-shaped synthetic resin pipe wall which includes a plurality of valley portions, a plurality of ridge portions and side surfaces respectively interposed between the valley portions and the ridge portions. At least one of the valley portions and the side surfaces which is disposed on the bend small diameter side of the substantially middle portion of the pipe wall in the longitudinal direction thereof is contractingly heated and deformed to thereby work the corrugate-shaped pipe wall into a bent attitude having a given angle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile