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. 20, 2011
Filed:
Apr. 25, 2007
Applicant:
Takanobu Akiyama, Numazu, JP;
Inventor:
Takanobu Akiyama, Numazu, JP;
Assignee:
Toshiba Kikai Kabushiki Kaisha, Tokyo-To, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 23/02 (2006.01); B23B 29/24 (2006.01); B23Q 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A roll turning lathe is provided herein which can not only machine with high precision circumferential transverse grooves in the peripheral surface of a roll but can also machine with high precision longitudinal grooves in the peripheral surface. The precision roll turning lathe includes a fly cutter spindle device and a tool post having a plurality of cutting tools that are mounted on a tool swivel. By selectively using the tool post and the fly cutter spindle device, high-precision machining of transverse grooves and longitudinal grooves on a roll-shaped workpiece.