Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1977-04-26
1978-05-16
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 57, 242 583, B65H 1918
Patent
active
040894827
ABSTRACT:
An automatic web splice control system for a web splicer apparatus including a running web roll and a ready web roll and a splice mechanism for splicing the expiring end of the running web to the leading end of the ready web. The system provides successive measurements of the length of web unwound from the running web roll per revolution of the roll. The length of web unwound per revolution of the roll is compared to a first pre-selected length. When the length unwound per revolution of the roll falls below the first pre-selected length, the system determines the length of web unwound from the roll per a pre-selected number of revolutions of the roll. When the length of web unwound per the pre-selected number of revolutions of the roll reaches a second pre-selected length, a warning signal is generated. Thereafter, the measurement of length of web unwound per revolution of the roll is dynamically incremented. When the length of web unwound per the pre-selected number of revolutions of the roll again reaches the second pre-selected length, the splice mechanism is actuated to initiate a splice sequence.
REFERENCES:
patent: 3232548 (1966-02-01), Bent
patent: 3409242 (1968-11-01), Kishioka
patent: 3841944 (1974-10-01), Harris
patent: 3994449 (1976-11-01), Wales
Mooney John F.
Woolston Allen Brent
McCarthy Edward J.
Molins Machine Company Inc.
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