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Current content: 157 117 910 patent documents

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139 301 new documents added

1 340 825 documents amended

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EP 0021937 B1 19830309 - ELECTROMAGNETIC SAFETY MECHANISM

Title (en)

ELECTROMAGNETIC SAFETY MECHANISM

Publication

EP 0021937 B1 19830309 (FR)

Application

EP 80400825 A 19800609

Priority

FR 7915094 A 19790613

Abstract (en)

[origin: EP0021937A1] 1. Electromagnetic safety mechanism comprising a magnetic circuit formed by a core and an armature held on the end of a valve control rod characterized by the fact that the armature (1) and/or the two arms of the core (2) are each formed of two parts of magnetic material superposed to form between them a gap, and joined together and inseparable from one another.

IPC 1-7

F23Q 9/14; F23N 5/10

IPC 8 full level

F23N 5/10 (2006.01); F23Q 9/14 (2006.01)

CPC (source: EP)

F23N 5/107 (2013.01); F23Q 9/14 (2013.01)

Designated contracting state (EPC)

BE CH DE IT LI NL

DOCDB simple family (publication)

EP 0021937 A1 19810107; EP 0021937 B1 19830309; DE 3062267 D1 19830414; FR 2458732 A1 19810102; FR 2458732 B3 19820409

DOCDB simple family (application)

EP 80400825 A 19800609; DE 3062267 T 19800609; FR 7915094 A 19790613