F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
39/113, 257/26,
F28F 7/00 (2006.01) B22D 41/08 (2006.01) B22D 41/30 (2006.01) B22D 41/52 (2006.01) F27D 3/14 (2006.01)
Patent
CA 2013910
A refractory assembly includes a refractory outer member having therein an opening defined by an inner surface and a refractory inner member having an outer surface. The dimension of the outer surface of the inner member is greater than the dimension of the inner surface of the outer member by an amount of from 0.05 to 0.15 mm. The outer member is heated to at least 1000°C to thereby increase the dimension of the inner surface. The inner member then is inserted into the opening in the outer member, and the outer member then is cooled to room temperature. As a result, the inner surface of the outer member shrinks against the outer surface of the inner member to thereby form an interference shrink fit joint between the members.
Assemblage réfractaire comprenant un élément externe ayant une ouverture définie par une surface interne et un élément réfractaire interne comprenant une surface externe. La surface externe de l'élément interne mesure entre 0,05 et 0,15 mm de plus que la surface interne de l'élément externe. L'élément externe est chauffé à au moins 1000 degrés Celsius afin d'accroître la dimension de sa surface interne. L'élément interne est ensuite introduit dans l'ouverture de l'élément externe, qui est alors refroidi à la température ambiante. Il en résulte un resserrement de la surface interne de l'élément externe contre la surface externe de l'élément interne, de sorte qu'il se forme un joint à chaud à ajustement serré entre les deux.
Schiefer Bernhard
Schwarz Hans Georg
Shah Vinay
Didier Taylor Refractories Corporation
Fetherstonhaugh & Co.
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