Signals and indicators – Indicators – By smoke or odor
Patent
1995-01-20
1997-11-11
Gutierrez, Diego F. F.
Signals and indicators
Indicators
By smoke or odor
116266, G08B 540, G01L 1912
Patent
active
056852568
ABSTRACT:
A device for detecting soil compaction density comprising at least one shell material forming an enclosure, a failure plane disposed within the shell material which causes the shell material to fail at a preset static or dynamic pressure, and a detector, such as an odoriferous chemical enclosed within the enclosure which is released upon failure of the shell material, thereby indicating that the preset static or dynamic pressure has been achieved.
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patent: 5088867 (1992-02-01), Mun
Gas Research Institute
Gutierrez Diego F. F.
Worth Willie Morris
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