Web roll control and method

Details Web roll control and method Web roll control and method

1992-11-02

1994-07-05

Stodola, Daniel P.

Winding, tensioning, or guiding

Unwinding

With detector, indicator, or control

2425951, B65H 1600

Patent

active

053260414

ABSTRACT:
A web roll (A) is positioned on a winding apparatus which includes a belt (B). An electric drive motor (C) drives the belt (B) roll (A) during winding and unwinding of the web. An ultrasonic signaling device (D) directs a signal downwardly towards the web roll and receives a return signal indicative of the size of the web roll for controlling the operation of the electric drive motor which rotates the web roll in a clockwise or counterclockwise direction.

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