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:
Sep. 09, 2008
Filed:
May. 18, 2004
Satoru Kaimura, Oyama, JP;
Takashi Tamura, Oyama, JP;
Satoru Kaimura, Oyama, JP;
Takashi Tamura, Oyama, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A rolling apparatus including a first work roll and a second work roll cooperative with the first work roll for rolling a metal blank plate to manufacture a metal product of miscellaneous cross section including a plate portion having one side in the form of a flat surface and a plurality of ridges projecting upright from the other side of the plate portion integrally therewith and spaced from one another. The first work roll has a plurality of ridge forming annular grooves formed in the peripheral surface thereof over the entire circumference of the surface and arranged at a spacing axially of the first work roll. The two work rolls are rotated so that the peripheral speed of the bottom face of the deepest of all the ridge forming annular grooves in the first work roll is not less than the peripheral speed of the peripheral surface of the second work roll.