MULTILAYER COMPOSITE WASTE TUBE

摘要

According to the present invention, a waste tube with component layers is provided. An inner layer resisting at least one waste material system chemical and an outer composite wrapping layer each runs along the length of the waste tube. The impact zones of the waste tubes, defined by bends, tapers or junctions incorporated in the tube, are reinforced by an elastomeric barrier layer over an outer face of the inner layer and an impact absorption layer over the elastomeric barrier layer, wrapped by the outer composite layer. In another aspect, a method of manufacturing the waste tube is provided where a preformed tubular liner for building the component layers functions as the inner layer in the waste tube.

主权项

1. A waste tube defining a passage therethrough for carrying waste material and potential projectiles in a pressurized system, said waste tube having a series of component layers, comprising:
an inner layer resistant to at least one waste system chemical defining an interior tubular surface of said waste tube for resisting bio-film build-up of material traveling within said passage of said waste tube; an outer composite wrapping layer defining an exterior tubular surface of said waste tube for wrapping said component layers; an elastomeric barrier layer optionally therebetween on at least one impact zone defined by bends, tapers or junctions of said tube for providing shock absorption and distribution, and leakage barrier against material and projectiles traveling within said passage of said tube; and an impact absorption layer between said elastomeric barrier layer and said outer composite wrapping layer for the impact absorption of projectiles on said at least one impact zone.