Measuring and testing – With fluid pressure – Leakage
Patent
1996-11-14
1997-12-30
Williams, Hezron E.
Measuring and testing
With fluid pressure
Leakage
73 498, 29593, 439912, G01M 302
Patent
active
057032793
ABSTRACT:
A waterproof connector is checked for waterproofness, which waterproof connector has a terminal-accommodating chamber into which a terminal is inserted and which is sealed with a waterproofing rubber stopper through which an insulated wire attached to the terminal passes. A connector-holding block of a waterproofness-checking jig engages in a watertight manner with the connector-fitting side of the waterproof connector, followed by depressurizing the waterproof connector with an ejector and comparing the pressure inside the waterproof connector with a reference pressure to determine the presence or non-presence of a leakage. Owing to the depressurization of the waterproof connector, the terminal, if inserted incomplete, is moved into a fully-inserted position in the connector housing in one piece with the waterproofing rubber stopper. A waterproof connector can be easily and reliably checked for waterproofness without making errors, while remedying incomplete insertion of a terminal.
REFERENCES:
patent: 3340723 (1967-09-01), Harris et al.
patent: 3529463 (1970-09-01), Orlando et al.
patent: 4232262 (1980-11-01), Emo et al.
patent: 4658212 (1987-04-01), Ozawa et al.
patent: 4799377 (1989-01-01), Strong et al.
Fukuda Masaru
Igura Toshinori
Larkin Daniel S.
Williams Hezron E.
Yazaki -Corporation
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