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Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 0268767 B1 19900516 - CANNON OF A TANK

Title (en)

CANNON OF A TANK

Publication

EP 0268767 B1 19900516 (DE)

Application

EP 87113284 A 19870911

Priority

DE 3639866 A 19861121

Abstract (en)

1. Gun barrel of a combat tank with cooling channels (2) provided on the outer surface of the gun barrel, said cooling channels extending uniformly in peripheral and longitudinal direction on the gun barrel, comprising : a heat-insulating layer (4) extending all around having been applied on the inner surface of the cooling channels (2) onto the gun barrel.

IPC 1-7

F41A 21/24; F41A 21/44

IPC 8 full level

F41A 21/24 (2006.01); F41A 21/44 (2006.01)

CPC (source: EP US)

F41A 13/12 (2013.01 - EP US); F41A 21/24 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE ES FR GB IT LI SE

DOCDB simple family (publication)

EP 0268767 A1 19880601; EP 0268767 B1 19900516; DE 3639866 A1 19880601; DE 3639866 C2 19900531; DE 3762773 D1 19900621; ES 2015023 B3 19900801; US 4982648 A 19910108

DOCDB simple family (application)

EP 87113284 A 19870911; DE 3639866 A 19861121; DE 3762773 T 19870911; ES 87113284 T 19870911; US 12324687 A 19871120