Closure for a surface opening having an object passing therethro

Details Closure for a surface opening having an object passing therethro Closure for a surface opening having an object passing therethro

1984-04-02

1985-10-22

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

52317, B32B 310, E04B 194

Patent

active

045488533

ABSTRACT:
A penetration seal for a surface opening and method of forming it by positioning a non-liquid, non-combustible substance in the void of the surface opening to provide a dam of desired thickness and applying an elastic coating over the dam and the object adjacent its passage through the dam to accommodate movement of the object relative to the dam without forming cracks in the closure.

REFERENCES:
patent: 3642531 (1972-02-01), Peterson
patent: 4189619 (1980-02-01), Pedlow
patent: 4278468 (1981-07-01), Selbe et al.

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