Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-02-14
1995-06-06
Hajec, Donald
Communications: electrical
Condition responsive indicating system
Specific condition
340568, E05B 4506, E08B 1314
Patent
active
054226279
ABSTRACT:
The invention relates to a sealing system for an object comprising a locking member closing the object, a seal coupled to the locking member and provided with integrity arrangement, and a sensor with which the response of the integrity arrangement, and therewith the integrity of the seal, can be determined, wherein preferably the integrity arrangement comprise magnetic material with a low magnetic coercivity and/or a transponder, and to a seal for such a sealing system.
REFERENCES:
patent: 4449115 (1984-05-01), Koerner
patent: 4592119 (1985-07-01), Granzow et al.
patent: 4663611 (1987-05-01), Humphrey
patent: 4813564 (1989-03-01), Cooper et al.
patent: 5029291 (1991-07-01), Zhou et al.
patent: 5189398 (1993-02-01), Stobbe
Rieksen Richard H.
Tap Geert E.
Hajec Donald
Le Thien Minh
N.V. Kema
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