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. 27, 1985
Filed:
May. 25, 1982
Masaho Tanaka, Yokohama, JP;
Tomio Shishido, Ibaragi, JP;
Tetsukazu Fukuhara, Hiratsuka, JP;
Yugo Yao, Hiratsuka, JP;
Kunihilo Kobayashi, Hiratsuka, JP;
Yoshio Inoue, Chigasaki, JP;
Neturen Co., Ltd., Tokyo, JP;
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Asahi Kasei Kogyo Kabushiki Hiraoka & Co., Tokyo, JP;
Abstract
Apparatus and method for forming a reinforcing cage for a prestressed concrete pile, in which the cage includes a set of main steel bars arranged in a circular pattern and an auxiliary wire which is helically wound around and welded at its crossings with the steel bars, that prevents any crossings from being welded when the current for welding is either insufficient in magnitude or not present and that prevents any unwelded crossings from being subsequently tempered.