Patent ID: 9498821
Filing Date: 2016-11-22
CPC Classification: B22D,B28B,C04B,C21B,C21C,F27D,Y02P

Claim Text:
1. A vessel for molten metal, the vessel comprising a body of refractory material having a cavity for containing or conveying molten metal, and an outer surface having a web of metal wires embedded therein, said wires being overlaid with respect to each other with openings formed between said wires into which openings said refractory material penetrates, wherein the web of metal wires comprises at least two overlying web sections, one of the web sections comprising a woven matrix of metal wires for providing structural reinforcement to the refractory material and another of the web sections comprising a non-woven matrix of metal wires including a plurality of metal wires overlying one another in a random fashion and matted together to define a plurality of openings having an average width in a range of 50 μm to 350 μm and a plurality of convoluted paths across a thickness of the non-woven matrix for resisting penetration of the molten metal through the non-woven matrix of metal wires.