Hearth roller with suppressed heat crown

Details Hearth roller with suppressed heat crown Hearth roller with suppressed heat crown

1994-02-24

1996-08-20

Cuda, Irene

Roll or roller

Concentric layered annulus

Specific composition

492 49, 492 53, B23P 1500

Patent

active

055474500

ABSTRACT:
A hearth roller has an outer sleeve which constitutes a hearth roller barrel is disclosed. An inner sleeve is fitted into the outer sleeve and innermost sleeve is fitted into the inner sleeve. The ends of the inner sleeve in the axial direction are positioned inwardly and separated from each of the ends of the outer sleeve and are sealed by a metal. The inner sleeve has substantially the same linear expansion coefficient as the outer sleeve but exhibits higher thermal conductivity.

REFERENCES:
patent: 4888464 (1989-12-01), Shibata et al.
patent: 5083353 (1992-01-01), Jacques

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