Automatic paper splicing control device

Details Automatic paper splicing control device Automatic paper splicing control device

1977-12-05

1979-12-11

Drummond, Douglas J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

156358, 156504, B65H 1914, B32B 3100, B65H 1908

Patent

active

041779606

ABSTRACT:
An automatic paper splicing control device including a depressing means for depressing a travelling paper onto a roll paper the surface to be joined thereby by means of an adhesive coated on the roll paper. A time T being required to contact the travelling paper with the roll paper. A pulse generating device generates pulse signals having a frequency proportional to the number of revolutions of the roll paper. A detector detects the adhesive coated surface arriving at a predetermined position. A counter counts the number of pulses generated by the pulse generating means. The control device modifies the time of starting of the depressing means in accordance with the number of pulses counted by the counter during the time T to thereby accommodate changes in the diameter size of the roll paper and its surface speed.

REFERENCES:
patent: 2621865 (1952-12-01), Wieking
patent: 3042332 (1962-07-01), Astley
patent: 3223339 (1965-12-01), Justus et al.
patent: 4077580 (1978-03-01), Lang et al.

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