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. 15, 2001
Filed:
Nov. 29, 1999
Masahiro Shoji, Ishikawa, JP;
Komatsu Machinery Corp., Komatsu, JP;
Abstract
A combined apparatus for making piston rings is disclosed which is provided with an interior-exterior working machine (,) operable under synchronous control by an NC unit (,) for machining both inside and outside of a workpiece (,) composed of a stack of piston ring workpieces brought and held together; a severing machine (,) for severing the workpiece (,) longitudinally thereof; and a common bed (,), wherein the interior-exterior working machine (,) as a first machine body and said severing machine (,) as a second machine body are mounted adjacent to each other on the common bed (,).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile