Tubular extrusion gasket profile exhibiting a controlled deflect

Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition

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277920, H05K 900

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active

06075205&

ABSTRACT:
An EMI shielding and environmental sealing gasket for interposition between a first substrate and an oppositely-disposed second substrate. The gasket is formed of a resilient, tubular body having a generally continuous interior and exterior surface defining a wall thickness of the gasket therebetween, and including base, arcuate, and lateral members. The base member extends intermediate a first and a second edge and has an inner and outer for contact with the second substrate. The arcuate member, which has an inner surface spaced apart radially from the inner surface of the base member and an outer surface for contact with the first substrate, extends intermediate a first proximal end disposed radially inwardly of the first edge of the base member, and a second proximal end disposed radially inwardly of the second edge of the base member. A first lateral member extends from the first edge of the base member to the first proximal end of the arcuate member, with a second lateral member extending from the second edge of the base member to the second proximal end of the arcuate member. Each of the lateral members has an outer surface and an inner surface which defines a acute angle with the inner surface of the base member. The gasket so constructed is deflectable under a predetermined compressive force between the first and second substrates into a collasped orientation characterized in that substantially continuous contact is maintained between the outer surface of the base member and the second substrate.

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