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:
Feb. 03, 1981
Filed:
Oct. 26, 1978
Tetsu Yoshida, Numazu, JP;
Isao Morimoto, Numazu, JP;
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Abstract
While machining a workpiece with a tool of a machine tool according to a numerically controlled machining program, when the tool breaks, the workpiece is removed from the machine tool and a new workpiece is substituted. A new program for the new workpiece is selected and a new tool for machining the new workpiece is selected and substituted for the broken tool. Now the new workpiece is machined in accordance with a new program. The workpieces removed from the machine tool are collected, fragments of the broken tools are removed therefrom, and then machined again. A tool magazine containing a plurality of tools is provided. Broken tools are removed from the machine tool and returned to the tool magazine. When all tools in the tool magazine are judged to be broken, new tools of the same type are supplemented. When the tools are worn out similar steps are executed.