Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Of storage or hazardous area or fluid handling
Patent
1981-07-23
1987-04-14
Arola, Dave W.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Of storage or hazardous area or fluid handling
174 35GC, 277235R, 285 79, 285 82, 285238, 285423, 285910, H01G 108
Patent
active
046583262
ABSTRACT:
The present invention relates to a high impact hose coupling having a hollow body constructed of plastic, a helical restriction means to hold the hose end within the coupling body, a double locking means for locking coupling halves together, and a static electric conducting gasket to allow the conduction of static electricity within the coupling.
REFERENCES:
patent: 1914368 (1933-06-01), Goodhall
patent: 2132506 (1938-10-01), Allen
patent: 2245101 (1941-06-01), Cole
patent: 2816779 (1957-12-01), Jensen
patent: 3498641 (1970-03-01), Bohlen
patent: 3758137 (1973-09-01), Kershaw
patent: 3783173 (1974-01-01), Twomey
patent: 3831984 (1974-08-01), Kutina et al.
Clark Paul W.
Gulliford John S.
Arola Dave W.
Clemco Industries
Wittenberg Malcolm B.
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