Controlled deflection roll
AssigneeEscher Wyss Limited
InventorRolf Lehmann
Life of this patent
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Abstract
A controlled deflection roll comprising a tubular-shaped flexible roll shell rotatable about a fixed support. The roll shell is supported by pressure elements arranged in a pressure plane. The pressure elements are movable relative to the fixed support in such pressure plane and serve to exert a pressure force. The roll shell is fixedly retained at its ends to preclude movement perpendicular to the pressure plane. At least one device for influencing laterial deformation of the roll shell is arranged at the support. Such device is equipped with at least one impact or contact surface and cooperates with the inner surface of the roll shell.
Claims10
A controlled deflection roll comprising:
- a stationary support;
- a substantially tubular-shaped flexible roll shell;
- means for mounting said substantially tubular-shaped roll shell to be rotatable about said stationary support;
- a plurality of movable pressure elements for supporting said roll shell;
- said pressure elements being arranged in a pressure plane and movable in such pressure plane relative to the support for exerting a pressure force;
- means for fixedly retaining the roll shell at its ends against movement in a direction substantially perpendicular to the pressure plane;
- at least one device for enabling and limiting lateral deformation of the roll shell in a direction substantially perpendicular to the pressure plane arranged at said stationary support and mounted stationarily with respect thereto externally of the pressure plane;
- said roll shell having an inner surface;
- said at least one device being provided with an impact surface cooperating with said inner surface of said roll shell at a location externally of the pressure plane.
Dependencies are inferred from the claim text.