Elliptical expansion plug for universal nozzle casting

Details Elliptical expansion plug for universal nozzle casting Elliptical expansion plug for universal nozzle casting

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 13/14 (2006.01) B22D 41/50 (2006.01) F16L 55/10 (2006.01)

Patent

CA 2353675

An elliptical expansion plug for plugging elliptical openings The elliptical expansion plug has a concave inner surface and a convex outer surface sized to allow hand-fitting within an elliptical hole to be plugged. The size of the elliptical expansion plug is such that the elliptical expansion plug generally matches the shape of the elliptical opening to be plugged, and further sized to provide a continuous seal between the outer edge of the elliptical expansion plug and the inner surface of the elliptical opening to be plugged after installation of the elliptical expansion plug. When the convex outer surface is eliminated by deforming the elliptical expansion plug with tools such as a hammer and punch until the convex outer surface is flat, the outer edge of the elliptical expansion plug comes into continuous contact with, and provides a continuous seal against, the inside circumference of the elliptical opening to be plugged.

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