Composite cover plate and application of the same

Details Composite cover plate and application of the same Composite cover plate and application of the same

1984-03-20

1985-04-30

Hix, L. T.

Electricity: electrical systems and devices

Miscellaneous

429174, 429175, H01G 900, H01M 208

Patent

active

045147884

ABSTRACT:
The composite cover plate for the locking of compartments of electric components, especially for locking the metallic can compartment of an electric condenser consists of an aluminum disc sandwiched between a rubber coating applied on its one side and a disc of artificial material on its opposite side. The disc of artificial material is forced flush against the free surface of the aluminum disc by electric lead-through elements, especially lead-through rivet elements. The rubber coating is disposed around the outer edge of the aluminum disc extending up to a ring-shaped edge portions on the side of the aluminum disc on which the disc of artificial material lies. This ring-shaped rubber coating encloses the outer edge of the disc of artificial material in substantially definite form. Each lead-through rivet is secured against displacement through riveting on the bottom side of the disc of artificial material. Sealing of the lead-through rivet is effected in that the area provided on the head of the rivet is forced onto the surface of the rubber coating through the riveting process. The lead-through rivet is led through an opening in the aluminum disc whose diameter is larger than the diameter of the shaft of the lead-through rivet so that the lead-through element is insulated against the aluminum disc. A burstable valve is provided through a weakening of rubber coating over an opening in the aluminum disc and a coaxial opening in the disc of artificial material.

REFERENCES:
patent: 4433361 (1984-02-01), Wolf et al.

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