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. 08, 1991
Filed:
Jan. 22, 1990
Johannes Haack, Lyss, CH;
Hans Wymann, Lyss, CH;
Feintool International Holding, Lyss, CH;
Abstract
A precision blanking tool mounted in a press, which may be a transfer press, comprises an upper part with an upper tool support and a lower part with a lower tool support. One hydraulic unit is accommodated in the upper part of the precision blanking tool and another in the lower part. The upper hydraulic unit is inserted with the upper tool support in an interchangeable frame and the lower hydraulic unit with the lower tool support in another frame. The hydraulic units are controlled with pressurized oil by drive means forming a separate unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile