F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
122/143, 189/20
F27D 1/16 (2006.01) F27D 3/02 (2006.01)
Patent
CA 1263613
DS81503d40 ABSTRACT Refractory insulating blocks for use in insulating a steampipe assembly which includes first and second tubular members secured to one another by a metal webbing, the blocks each comprise a body of thermal insulating material. The inner side of each face block is formed with a profile which will mate with and closely conform to a major portion of one of the side faces of the pipe assembly. The inner side face includes a web abutment portion arranged to extend in a face-to-face relationship with respect to a side of a web. At least one weldable metal band is secured to and extends along a major portion of inner side face. The weldable metal band has an end portion exposed at the inner side face in an area which is accessible to a complementary end portion of a like body when mounted on a steampipe assembly. The end portion is adapted to interlock with said complementary end portion of a like body so as to secure the blocks to one another when the blocks are mounted on a steampipe assembly. An access notch is formed in each side face of said body and extending from said web abutment portion of the inner face to the outer face. The access notch extends inwardly of the end face of the weldable bands so as to be accessible for welding to the metal webbing to thereby secure the body with respect to the steampipe assembly.
510398
Fetherstonhaugh & Co.
Narco Canada Inc.
North American Refractories Canada Limited
Rau Wolfgang E.
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