Manhole infiltration disk and seal assembly

Details Manhole infiltration disk and seal assembly Manhole infiltration disk and seal assembly

A - Human Necessities

63

B

94/12

A63B 71/02 (2006.01)

Patent

CA 1198304

ABSTRACT A manhole infiltration disk and seal assembly including a circular plate having flanges on the inner and outer peripheral edges and a strip of compressible seal material on the top and bottom surface, the disk being adapted to be placed between the top of a manhole and the bottom of a manhole cover assembly to form a seal and a seal assembly for sealing the spaces between spacer rings when placed on the manhole.

417047

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