Plastic and nonmetallic article shaping or treating: processes – Furnace lining formation or repair
Patent
1977-03-28
1978-09-26
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Furnace lining formation or repair
264110, 264266, 266281, F27D 116
Patent
active
041170520
ABSTRACT:
A method and an arrangement for lining articles are disclosed which are particularly well-suited for use in the lining of melting ovens. The arrangement includes a mold member which has a surface with the configuration corresponding to the face of the inner wall of the oven chamber and comprises a plurality of circumferentially adjacent sections detachably connected to one another. A plurality of circumferentially adjacent flexible plate-like elements of a refractory material are arranged at the surface of the mold member and connected to one another to thereby form a circumferentially complete refractory member. The plate-like elements are connected to one another by refractory adhesive substance. They have adjacent end portions overlapping one another, which portions are connected to one another by the above refractory adhesive substance, and are fixed to one another by adhesive strips. In order to line the oven chamber, the mold member surrounded by the refractory member is arranged inside the chamber so that a space is provided intermediate the refractory member and the face of the article. A lining substance is then admitted into the space, and thereafter the sections of the mold member are disengaged from one another and removed from the refractory member. The lining substance is rigidified while the refractory member remains in the oven and serves as a support for the lining substance, which latter is thus converted into a lining for the oven chamber. The above rigidification of the lining substance is preferably performed by admitting liquid metal into a cold and newly lined oven so that the lining substance simultaneously obtains heat and is subject to metallostatic pressure of the admitted metal.
REFERENCES:
patent: 1917849 (1933-07-01), Northrup
patent: 3203689 (1965-08-01), Hallowell
Dorentruper Sand- und Thonwerker G.m.b.H.
Pavelko Thomas P.
Striker Michael J.
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