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. 23, 1980
Filed:
Jul. 17, 1978
Applicant:
Inventors:
Alfred Wagner, Steisslingen, DE;
Adolf Ames, Hilzingen, DE;
Assignee:
Swiss Aluminium Ltd., Chippis, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C / ; B21C / ; B21C / ;
U.S. Cl.
CPC ...
7225 / ; 72261 ; 72273 ; 72DI / ; 7610 / ;
Abstract
An extrusion press stem exhibits at least one channel which runs approximately parallel to the central axis and connects up with a shape giving die. Such a stem as used in the indirect extrusion of materials, in particular light metal billets, is made up of component parts which fit concentrically together and is held securely together by the joints at the end of each component.
Wagner, Alfred. (1980). Extrusion press stem with at least one channel running approximately (U.S. Patent No. 4223546). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4223546
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile