Electricity: electrical systems and devices – Electrolytic systems or devices – Liquid electrolytic capacitor
Patent
1995-01-17
1996-11-26
Picard, Leo P.
Electricity: electrical systems and devices
Electrolytic systems or devices
Liquid electrolytic capacitor
361518, 361520, 361538, 429174, 429175, 29 2541, H01G 900, H01G 910
Patent
active
055792030
ABSTRACT:
A cover arrangement is intended for the pressure-tight closure of a capacitor can for electrolytic capacitors. The cover arrangement contains a cover part having at least one aperture, at least one connecting element inserted into the aperture in the cover part, and a valve element inserted into a further aperture in the cover part in a gas-tight manner. In order to produce a temperature-resistant and chemically-resistant cover arrangement which is of simple construction and can thus be produced cost-effectively, the cover part has a hard-paper core coated externally with respect to the can with an elastomerically flexible sealing layer and internally with respect to the can with a chemically resistant material layer. An elastomeric molding is arranged on the inside of the cover part which has at least one aperture aligned with each aperture in the cover part. The connecting element and the valve element each have an external circumferential collar and an internal circumferential collar which are pressed with the external sealing layer and the internal molding therebetween in an axially force-fitting manner.
REFERENCES:
patent: 3091656 (1963-05-01), Lamoureaux, Jr.
patent: 3548264 (1970-12-01), Carino et al.
patent: 4114244 (1978-09-01), Klaschka
patent: 4433361 (1984-02-01), Wolf et al.
patent: 4514788 (1985-04-01), Klaschka et al.
patent: 4566606 (1986-01-01), Wolf et al.
Dinkins Anthony
Picard Leo P.
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