Apparatus for shrinking sleeves around containers

Details Apparatus for shrinking sleeves around containers Apparatus for shrinking sleeves around containers

1976-10-08

1978-01-03

Powell, William A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

34216, 34236, 53184S, 156 86, 156423, 156497, 432144, F27B 906, F27D 1102

Patent

active

040668665

ABSTRACT:
An apparatus for shrinking heat-shrinkable sleeves around containers or the like includes at least two diffuser housings mounted respectively adjacent side edges of a conveyor on which containers or other objects having a sleeve thereon are to pass. A cap which defines a tunnel is positioned between the two diffuser housings over the conveyor. Each diffuser housing is provided with a longitudinally extending slot presenting directional discontinuity at its two end portions. The two end portions of each slot may be horizontal, while the control portion of each slot is sloped in a vertical direction and extends from one end portion of the slot to the other. Provision is made to feed hot air through the slots into a tunnel so as to contact the films on the containers or objects moved by the conveyor.

REFERENCES:
patent: 3267585 (1966-08-01), Futer
patent: 3711961 (1973-01-01), Spiegel et al.
patent: 3760154 (1973-09-01), Konger
patent: 3808702 (1974-05-01), Laessig
patent: 3897671 (1975-08-01), Higgins
patent: 3959065 (1976-05-01), Ashcroft

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