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:
Jan. 13, 2004
Filed:
Feb. 13, 2002
Applicant:
Inventor:
Werner Urech, Kaiserstuhl, CH;
Assignee:
Elpatronic AG, Bergdietikon, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 5/110 ;
U.S. Cl.
CPC ...
B21D 5/110 ;
Abstract
To form metal sheet blanks into taper tubes, a die is provided which has a conical cavity into which a conical punch plunges. The punch is led into the die along a curve. Taper tube shells can easily be fabricated by this method.
Urech, Werner. (2004). Method and device for forming conical tube casings (U.S. Patent No. 6675627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6675627
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile