Communications: electrical – Selective – Having indication or alarm
Patent
1976-06-17
1978-04-25
Birmiel, Howard A.
Communications: electrical
Selective
Having indication or alarm
61 70, G01V 138
Patent
active
040865614
ABSTRACT:
A form fitting, flexible, multi-element device to be used as a weight to be attached to a geophysical cable. Said device is constructed of a plurality of molded and contoured lead inserts suitable placed inside of heat shrinking tubing such that after shrinking the finished product adheres to the normal parameters of the geophysical cable. Said device is attached to the geophysical cable by means of a locking band or strap.
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patent: 3808824 (1974-05-01), Johnston et al.
patent: 3851488 (1974-12-01), Schuler
patent: 3992735 (1976-11-01), McCarthy
patent: 3996654 (1976-12-01), Johnson
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