Cored hole waterproofing apparatus

Details Cored hole waterproofing apparatus Cored hole waterproofing apparatus

1992-07-09

1994-03-15

Bradley, Paula A.

Pipe joints or couplings

With support

Static building construction

285158, 285192, F16L 300, F16L 500

Patent

active

052941558

ABSTRACT:
A waterproofing apparatus for sealing cored holes from water while supporting the riser clamp and weight of the riser. The apparatus is comprised of a cylindrically shaped sleeve constructed preferably from plastic having a body and a sealing flange and cylindrically shaped support ring constructed preferably from metal. The sleeve is elongated with the sealing flange located towards the center of the body. The body of the sleeve fits into the cored hole such that the flange rests upon the flooring through which the hole was cored and the upper end of the body extends above the flooring. The support ring fits over the outside diameter of the sleeve such that the ring rests on the flange member and extends above the upper end of the sleeve. Upon installation, the riser clamp is placed on the riser such that the riser's weight forces the clamp against the upper end of the support ring and supports the riser. The steel construction of the ring allows it to support the heavy weight of the riser in lieu of the plastic sleeve.

REFERENCES:
patent: 687556 (1901-11-01), Carter
patent: 5076309 (1991-12-01), Cornwall

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