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Capacitor-case-cover-disc-seal-and-venting-means

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Capacitor case cover disc seal and venting means

Details

Inventors: Carino, John William;
Assignee: General Electric Company (Hudson Falls, NY)
Primary Examiner: James; Andrew J.
Assistant Examiner:
Attorney, Agent or Firm:

An electrolytic capacitor comprising an open ended casing, said casing having an inner wall with means defining a tapered surface channel; and a resilient seal member compressibly supported by the tapered surface in the channel to form a hermetic seal for the open end of the casing. Venting means can be provided by forming the channel with a gradually varying depth such that excess gas pressure can be vented by causing the seal to be tipped out of the channel at the shallowest point of the channel.

DETAILED DESCRIPTION In accordance with the aforementioned objects, one embodiment of this invention is an electrolytic capacitor comprising an open ended, molded thermoplastic casing, the inner wall of which has means formed thereon defining a taper surfaced channel; and a resilient seal hermetically compressibly supported in said channel.
Another embodiment of this invention provides an electrolytic capacitor differing from said one embodiment in that the channel has a gradually varying depth, thereby allowing the seal to vent at the shallowest point of the channel.
This invention will be better understood by reference to the following description taken in conjunction with the accompanying drawings.

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