Geometrical instruments
Patent
1975-11-28
1977-06-14
Lake, Roy
Geometrical instruments
H01R 1960
Patent
active
040293823
ABSTRACT:
A tubular packing with a flexible flange means is disposed along the surface where an electric plug mates with a receptacle. When mated, the flange means flexes for ensuring watertightness at the plug-receptacle coupling.
REFERENCES:
patent: 3182280 (1965-05-01), Daut et al.
patent: 3621448 (1971-11-01), Arnold et al.
patent: 3792416 (1974-02-01), Moulin
patent: 3976352 (1976-08-01), Spinner
Denkosha Co., Ltd.
Desmond E. F.
Kelman Kurt
Lake Roy
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