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. 10, 1988
Filed:
Apr. 29, 1986
Eiji Sasaki, Kitakyushu, JP;
Mitsuo Murata, Kitakyushu, JP;
Hisashi Kobayashi, Kitakyushu, JP;
Katsuro Kuroki, Kitakyushu, JP;
Hisao Kitsunezaki, Chiyoda, JP;
Kengo Yoshioka, Chiyoda, JP;
Mikio Nakamura, Kitakyushu, JP;
Nippon Steel Corporation, both of, JP;
Nittetsu Plant Designing Corporation, both of, JP;
Abstract
A device for imparting strain to a steel sheet by which deformed regions spaced at a desired distance and having a minute linear shape are continuously formed, comprising: a strain imparting roll having projected portions on the surface thereof; a press roll provided opposite to the strain imparting roll; a row of a plurality of groups of back-up rolls for pressing against the press rolls, provided with spaces of a desired distance therebetween in a longitudinal direction of the press roll; and a fluid pressure cylinder connected to each group of the back-up rolls via a bearing, and a fluid supply source connected to the fluid pressure cylinder.