System for applying a heat shrinkable sleeve to a container

Details System for applying a heat shrinkable sleeve to a container System for applying a heat shrinkable sleeve to a container

B - Operations, Transporting

65

B

B65B 53/02 (2006.01) B29C 61/02 (2006.01) B29C 63/42 (2006.01) B65B 53/06 (2006.01) B65C 3/06 (2006.01) F27D 19/00 (2006.01) F27D 21/00 (2006.01)

Patent

CA 2083230

PATENT ABSTRACT OF THE DISCLOSURE A system for applying a heat-shrinkable sleeve or label to a container such as a vial for pharmaceuticals includes a novel heat tunnel assembly. The heat tunnel assembly, in a preferred embodiment, includes a conveyor for moving the sleeved containers past a heat source. The container has a plurality of rollers upon which the sleeved containers are supported and rotated. The rollers turn at a first rate during initial shrinkage of the sleeve, and at a second, slower, rate after the initial shrinkage has occurred to reduce distortion and unwanted displacement of the label during its application. The heat tunnel assembly also includes a system for withdrawing the heat source from the vicinity of the conveyor should unexpected circumstances arise.

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