Closure for a surface opening having an object passing...

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

F - Mech Eng,Light,Heat,Weapons

16

L

248/17

F16L 3/16 (2006.01)

Patent

CA 1252772

CLOSURE FOR A SURFACE OPENING HAVING AN OBJECT PASSING THERETHROUGH AND METHOD OF FORMING THE PENETRATION SEAL Abstract of the Disclosure 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 with- out forming cracks in the closure.

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