EP 2964407 A1 20160113 - METHOD FOR PRODUCING A GUN BARREL WITH INTEGRALLY ADJOINING HOUSING
Title (en)
METHOD FOR PRODUCING A GUN BARREL WITH INTEGRALLY ADJOINING HOUSING
Title (de)
VERFAHREN ZUM HERSTELLEN EINES LAUFS MIT EINSTÜCKIG ANSCHLIESSENDEM GEHÄUSE
Title (fr)
PROCÉDÉ DE FABRICATION D'UN CANON COMPORTANT UN BOÎTIER DE CULASSE RACCORDÉ D'UN SEUL TENANT
Publication
Application
Priority
- AT 501562013 A 20130307
- AT 2014050053 W 20140306
Abstract (en)
[origin: WO2014134651A1] The invention relates to a method for producing a gun barrel (1) with integrally adjoining housing (2) for at least one breech head, comprising the steps: providing a cylindrical blank (20) having a through-bore (21) corresponding to the breech head diameter; hammering a first longitudinal portion (20') of the blank (20) on a part (13) of a first hammering mandrel (11) corresponding to the barrel interior profile while the mandrel is being guided through the through-bore (21); and hammering a second longitudinal portion (20'') of the blank (20) on a second hammering mandrel (12) corresponding to the housing interior profile while the mandrel is inserted into the through-bore (21).
IPC 8 full level
B21C 37/15 (2006.01); B21K 1/06 (2006.01); B21K 1/16 (2006.01); F41A 21/18 (2006.01)
CPC (source: AT EP US)
B21C 37/152 (2013.01 - EP US); B21C 37/153 (2013.01 - EP US); B21C 37/16 (2013.01 - AT); B21K 1/066 (2013.01 - EP US); B21K 1/16 (2013.01 - EP US); F41A 21/12 (2013.01 - EP US); F41A 21/18 (2013.01 - EP US); B21C 37/207 (2013.01 - US)
Citation (search report)
See references of WO 2014134651A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2014134651 A1 20140912; AT 514033 A1 20140915; AT 514033 B1 20150515; EP 2964407 A1 20160113; EP 2964407 B1 20161026; ES 2608809 T3 20170417; HR P20161605 T1 20170113; US 2016030989 A1 20160204; US 9662696 B2 20170530
DOCDB simple family (application)
AT 2014050053 W 20140306; AT 501562013 A 20130307; EP 14714916 A 20140306; ES 14714916 T 20140306; HR P20161605 T 20161130; US 201414770493 A 20140306