Method for producing a gun barrel with integrally adjoining housing
AssigneeSteyr Mannlicher GmbH
InventorHarald Pichler
Life of this patent
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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 whilst 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 whilst the second hammering mandrel is inserted into the through-bore.
Claims12
A method for producing a barrel with an integrally adjoining housing for at least one breech head, comprising 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 whilst 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 whilst the second hammering mandrel is inserted into the through-bore.
Dependencies are inferred from the claim text.