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:
Nov. 13, 2018
Filed:
Mar. 09, 2016
Applicant:
Nisshin Steel Co., Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Shinnosuke Nishijima, Tokyo, JP;
Kouki Tomimura, Tokyo, JP;
Assignee:
NISSHIN STEEL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 17/04 (2006.01); B21D 41/02 (2006.01); B21D 17/00 (2006.01); B21D 15/06 (2006.01); F16L 21/06 (2006.01);
U.S. Cl.
CPC ...
B21D 17/04 (2013.01); B21D 15/06 (2013.01); B21D 17/00 (2013.01); B21D 41/02 (2013.01); F16L 21/06 (2013.01);
Abstract
A form-rolling device for processing a tubular member may include a shaft rotatable around a first axis, a first grooving portion that protrudes from an outer circumference of the shaft; a second grooving portion that is rotatable around a second axis parallel to the first axis; a flange-shaped tube-end positioning member that is attached to a position of the outer circumference of the shaft nearer to a base end than the first grooving portion, and a supporting member that supports an outer circumference of a ring member held on an outer circumference of the tubular member.