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.:

US 9446440 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 20, 2016

Filed:

Jan. 15, 2014
Applicant:

Steyr Mannlicher Gmbh, Kleinraming, AT;

Inventor:

Michael Engesser, Sulzbach, AT;

Assignee:

Steyr Mannlicher GmbH, Kleinraming, AT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 37/15 (2006.01); F41A 21/24 (2006.01); B21J 7/14 (2006.01); B21K 1/06 (2006.01);
U.S. Cl.
CPC ...
B21C 37/152 (2013.01); B21J 7/14 (2013.01); B21K 1/066 (2013.01); F41A 21/24 (2013.01);
Abstract

The invention relates to a method for producing a gun barrel by cold forging a cylindrical blank in a barrel hammering machine, which has a plurality of forging hammers distributed around the circumference of the blank and acting radially on the blank, wherein forging hammers having ribs parallel to the longitudinal axis of the blank are used in order to forge longitudinal grooves in the blank during the cold forging.


Find Patent Forward Citations

Engesser, Michael. (2016). Method for producing a gun barrel having barrel flutings (U.S. Patent No. 9446440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9446440

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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