Seal compression indication system

Details Seal compression indication system Seal compression indication system

2005-04-12

2005-04-12

Tweel, Jr., John (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S545600, C277S321000, C049S472000

Reexamination Certificate

active

06879256

ABSTRACT:
A watertight door seal compression indication apparatus is provided that includes a watertight door in a frame that has a casket disposed in a channel around the periphery of the door. A knife-edge on the doorframe is positioned to compress the gasket upon latching the door shut. Numerous switches are placed between the channel and the gasket and the switches are closed when the knife-edge edge fully compresses the gasket. A display that is responsive to the switches indicates whether the gasket was sufficiently compressed or not by either a green LED or a red LED respectively.

REFERENCES:
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patent: 5553871 (1996-09-01), Rowe et al.
patent: 5565843 (1996-10-01), Meyvis
patent: 6317489 (2001-11-01), Parsadayan
patent: 6329617 (2001-12-01), Burgess
patent: 6465752 (2002-10-01), Meagher et al.
patent: 6494464 (2002-12-01), Chandler et al.

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