Ceramic and metal roll assembly

Details Ceramic and metal roll assembly Ceramic and metal roll assembly

1993-05-14

1994-12-06

Rosenbaum, Mark

Roll or roller

With internal anchor for annular member

29450, 298952, 403 29, 403404, 432246, 492 42, 492 47, F27D 300

Patent

active

053705963

ABSTRACT:
A joint between an end of a ceramic roll and a metal ferrule compensates for the differences in the thermal expansion properties of the joined materials. A plurality of thermodeformable bimetal elements are positioned in the space between the roll end and the ferrule to expand when the temperature increases to accommodate the greater thermal expansion of the ferrule relative to the roll and to provide a selected coupling strength in the joint at a given operating temperature. The roll is preferably made from a vitreous, fused silica material and is suitable for supporting glass and metal in sheet, strip or plate form at elevated temperatures.

REFERENCES:
patent: 4281941 (1981-08-01), Rottenkolber
patent: 4399598 (1983-08-01), Page et al.
patent: 4404011 (1983-09-01), McMaster
patent: 4499646 (1985-02-01), Allor et al.
patent: 4772139 (1988-09-01), Bretton
patent: 5028162 (1991-07-01), Tsuno et al.
patent: 5048168 (1991-09-01), Vanaschen et al.
patent: 5104747 (1992-04-01), Makino et al.
patent: 5108625 (1992-04-01), Kang et al.
patent: 5134812 (1992-08-01), Hoffman et al.
patent: 5146675 (1992-09-01), Ford et al.
French Search Report which issued in connection with FR 9206100.

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