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:
May. 30, 2017
Filed:
Mar. 06, 2014
Steyr Mannlicher Gmbh, Kleinraming, AT;
Harald Pichler, Gaflenz, AT;
Steyr Mannlicher GmbH, Kleinraming, AT;
Abstract
A method for producing a gun barrel with an integrally adjoining housing for at least one breech head includes the steps of providing a cylindrical blank having a through-bore corresponding to the breech head diameter; hammering a first longitudinal portion of the blank on a part of a first hammering mandrel corresponding to the inner profile of the barrel while the first hammering mandrel is guided through the through-bore; and hammering a second longitudinal portion of the blank on a second hammering mandrel corresponding to the inner profile of the housing while the second hammering mandrel is inserted into the through-bore.