Global Patent Index - EP 0026511 B1

EP 0026511 B1 19830803 - METHOD FOR MANUFACTURING A COMPOSITE BARREL

Title (en)

METHOD FOR MANUFACTURING A COMPOSITE BARREL

Publication

EP 0026511 B1 19830803 (FR)

Application

EP 80200826 A 19800903

Priority

BE 2058100 A 19790926

Abstract (en)

[origin: US4409881A] This barrel is characterized in that it comprises three layers superimposed without any break in continuity of surface contact between layers, namely: an internal layer of a refractory material; a core layer of a material the mechanical strength of which is higher than about 250 MPa at 900 DEG and an external layer of an alloyed steel. The invention relates also to a process for the manufacture of such barrel.

IPC 1-7

F41C 21/02

IPC 8 full level

F41A 21/02 (2006.01)

CPC (source: EP US)

F41A 21/02 (2013.01 - EP US); Y10T 428/12854 (2015.01 - EP US)

Designated contracting state (EPC)

AT CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0026511 A2 19810408; EP 0026511 A3 19811111; EP 0026511 B1 19830803; AT E4393 T1 19830815; BE 878999 A 19800326; DE 3064492 D1 19830908; IL 60981 A 19830515; US 4409881 A 19831018

DOCDB simple family (application)

EP 80200826 A 19800903; AT 80200826 T 19800903; BE 2058100 A 19790926; DE 3064492 T 19800903; IL 6098180 A 19800905; US 18293680 A 19800902