Suction roll seal strips with ptfe insert

Details Suction roll seal strips with ptfe insert Suction roll seal strips with ptfe insert

D - Textiles, Paper

21

F

92/15.5

D21F 3/10 (2006.01)

Patent

CA 1302139

ABSTRACT Sealing strips mounted on an internal vacuum box and engaged with the internal surface of a perforated rotatable shell forming a suction roll in a conventional paper making machine are constructed from a body portion of organic material having an outer surface forming an interface with an inner surface of the shell, and a PTFE inlay strip exposed at the outer surface of the sealing strip for rubbing against the interior surface of the shell and smearing across the outer surface of the sealing strip to reduce friction and improve lubrication at the interface.

551209

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