Threading belt and threading system

Details Threading belt and threading system Threading belt and threading system

1982-09-30

1985-01-01

Smith, William

Paper making and fiber liberation

Apparatus

162193, 162255, 162283, 226 92, O21F 136

Patent

active

044915039

ABSTRACT:
A threading system for threading a lead end of a web along a processing path in a papermaking machine includes an endless looped belt having a fabric base and a soft elastomeric outer surface with a transversely extending gripping slot in the surface. The slot has a round at the base and the sides of the slot are pinched together when the carrier belt extends along a straightline and with the sides separating when the carrier belt is wrapped over a roll so that the lead end of a web can be gripped in the slot for threading a web and automatically released when the sides of the slot are separated as the belt is wrapped over a roll.

REFERENCES:
patent: 1991137 (1935-02-01), Case et al.
patent: 2529184 (1950-11-01), Pearson
patent: 3756912 (1973-09-01), Rooney
patent: 4111122 (1978-09-01), Kutzner et al.

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