Patent ID: 8813336
Filing Date: 2014-08-26
Classification: F16L,Y10T

Abstract:
1. A sleeve coupling for use in a partition, which comprises: (a) a sleeve having a first end and a second end with a sidewall having an outer surface extending therebetween and having a passageway extending between the ends; (b) an extension coupling having opposed ends mounted on one end of the sleeve; (c) a sleeve extension connected to the extension coupling on the end of the extension coupling opposite the sleeve; and (d) a water stop constructed of a resilient material having an inner bore with an inner surface and positioned on the sleeve between the first and second ends of the sleeve so that the sleeve extends through the inner bore of the water stop and the outer surface of the sleeve is in sealing contact with the inner surface of the water stop, wherein in use when the sleeve and the water stop are mounted in the partition with the water stop completely within the partition and the end of the extension coupling opposite the sleeve flush with a surface of the partition so that the sleeve extension extends beyond the surface of the partition, the water stop remains in sealing contact with the sleeve and prevents liquid from moving between the water stop and the outer surface of the sidewall of the sleeve and the sleeve extension prevents liquid on the surface of the partition from moving through the partition along the sleeve coupling.