Method and apparatus for tail sealing of convolutely wound webs

Details Method and apparatus for tail sealing of convolutely wound webs Method and apparatus for tail sealing of convolutely wound webs

B - Operations, Transporting

65

H

B65H 19/29 (2006.01) B65H 19/30 (2006.01)

Patent

CA 2175145

A method and apparatus for sealing the tail of a convolutely wound log which include a longitudinally extending path, an infeed station and a sealing station in the path, equipping the infeed station with a pair of spaced-apart, rotatable rollers, providing one of the rollers with vacuum ports in the periphery thereof, feeding logs sequentially into the nip space between the pair of rollers, rotating the rollers, orienting the log tail to a position over the ports in the one roller, rotating the rollers to unwind the tail, and rolling each log in the path into the sealing station; the unwinding being either (a) triggered by a mark on the tail such as a UV ink stripe or (b) using an air blast.

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