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:
Mar. 13, 1990
Filed:
Oct. 12, 1988
Takeshi Sasaki, Chita, JP;
Kiyoharu Morita, Aichi, JP;
Abstract
A plurality of roll stands are arranged along a planned passage line of a roll material. Each of the roll stands is provided with a pair of rolls each of which is formed, on the outer circumferential surface thereof, with a groove for rolling. The bottom surface formed on each roll is a circular arc in cross section. Both side surfaces of the groove are, in cross section, circular arcs of a radius larger than that of the bottom surface or segments of line. The roll material is transferred along the planned passage line is passed between the grooves on the pair of rolls in each roll stand. Thus, the roll material is rolled. In this case, even is the thickness of the roll material deviates, it can be rolled into a finished material of a prescribed dimension.