Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1984-06-12
1985-08-20
Jillions, John M.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 66, 33133, 364562, B65H 1712, B65H 2500
Patent
active
045359490
ABSTRACT:
A device for measuring the rolled-up length of web forming a roll when a web break has occurred during formation of the roll employs a web break indicator to indicate a web break. Normal web length measuring is carried out by counting pulses from a pulse transducer driven by a roller turned by the moving web and this is stopped on web break. A calculation of the circumference of the web roll on the occasion of the web break is made with the further aid of a pulse transducer on the shaft of the web roll and a counter and logic unit. Too loosely wound web material is removed from the roll and the circumference of the roller decreases. After joining the web and renewed winding, a calculation of the roll circumference is continuously performed by means of the pulse transducers. When the circumference of the roll resumes the size it had at the moment the web break occurred, normal length measuring is automatically resumed.
REFERENCES:
patent: 3058223 (1962-10-01), Schmidt et al.
patent: 3208683 (1965-09-01), Thompson
patent: 3663806 (1972-05-01), Drankhan et al.
patent: 4089482 (1978-05-01), Mooney et al.
patent: 4159572 (1979-07-01), Nunes
ASEA Aktiebolag
Jillions John M.
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