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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 0321640 B1 19910703 - COKE OVEN DOOR WITH A SHIELD CONSTRUCTION

Title (en)

COKE OVEN DOOR WITH A SHIELD CONSTRUCTION

Publication

EP 0321640 B1 19910703 (DE)

Application

EP 88109103 A 19880608

Priority

DE 3743157 A 19871219

Abstract (en)

[origin: EP0321640A1] Honeycomb-shaped structures (9, 10), which carry a metal shield (11) on the coke side and form two external and one internal large gas duct, are used for coke oven doors. <IMAGE>

IPC 1-7

C10B 25/06

IPC 8 full level

C10B 25/06 (2006.01)

CPC (source: EP)

C10B 25/06 (2013.01)

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0321640 A1 19890628; EP 0321640 B1 19910703; DE 3863539 D1 19910808

DOCDB simple family (application)

EP 88109103 A 19880608; DE 3863539 T 19880608