EP 0012322 B1 19820106 - PROCESS FOR PRODUCING METALLIC OBJECTS, IN PARTICULAR PROJECTILES, BY INCORPORATING DISCRETE PARTICLES IN A METALLIC MATRIX MATERIAL
Title (en)
PROCESS FOR PRODUCING METALLIC OBJECTS, IN PARTICULAR PROJECTILES, BY INCORPORATING DISCRETE PARTICLES IN A METALLIC MATRIX MATERIAL
Publication
Application
Priority
DE 2852658 A 19781206
Abstract (en)
[origin: US4292829A] A process for producing a formed member, and a formed member which includes spherical fragments embedded in a metallic matrix is effected through cold annular or round forming. The spheres are arranged in the interspace between a basic support member, which may be a thin-walled inner casing, and an outer casing. Working of the outer casing causes the material of the support member and the outer casing to be pressed into the spaces between the spheres, densifies the support member and the outer casing, and prestresses the outer casing and spheres, thus allowing the inner casing to be extremely thin-walled. The prestressing of the spheres and outer casing, together with the inner casing imparts a high degree of energy to the casing fragments and to the spheres, affords economies in manufacture and a substantial increase in fragmenting energy at detonation of the formed member.
IPC 1-7
IPC 8 full level
B21K 25/00 (2006.01); B22F 7/06 (2006.01); B22F 7/08 (2006.01); F42B 12/32 (2006.01)
CPC (source: EP US)
B22F 7/064 (2013.01 - EP US); B22F 7/08 (2013.01 - EP US); F42B 12/32 (2013.01 - EP US); Y10T 428/12069 (2015.01 - EP US); Y10T 428/12097 (2015.01 - EP US)
Designated contracting state (EPC)
AT CH FR GB IT NL SE
DOCDB simple family (publication)
EP 0012322 A1 19800625; EP 0012322 B1 19820106; AT E532 T1 19820115; DE 2852658 A1 19800612; IL 58858 A0 19800331; IL 58858 A 19820131; US 4292829 A 19811006
DOCDB simple family (application)
EP 79104862 A 19791204; AT 79104862 T 19791204; DE 2852658 A 19781206; IL 5885879 A 19791203; US 9556479 A 19791119