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:
Oct. 24, 2000
Filed:
Sep. 03, 1998
Masahiro Shoji, Ishikawa, JP;
Komatsu Machinery Corporation, Komatsu, JP;
Abstract
A combined machine tool for specific use in making a piston ring or the like from a workpiece is disclosed, in which on a common bed there are mounted: an outer and inner peripheral surface machining unit numerically controlled and having an outer peripheral surface machining section and an inner peripheral surface machining section which are operable together to simultaneously machine an outer peripheral surface and an inner peripheral surface of the workpiece, and a cut-split machining unit adapted to act on the workpiece machined over the outer and inner peripheral surfaces by the outer and inner peripheral surface machining unit, in a manner such as to machine, by cut-splitting, the so machined workpiece while it remains unaltered in position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile