Package making – Closing packages and filled receptacles – Separate closure applying
Patent
1978-08-01
1979-12-25
McGehee, Travis S.
Package making
Closing packages and filled receptacles
Separate closure applying
53297, B65B 5302, B65B 6100
Patent
active
041798635
ABSTRACT:
An apparatus for automatic cutting at a programmed rate of heat shrinkable plastic sheaths into sections or sleeves suitable for being placed and then heat-shrunk around containers. The apparatus includes means for feeding the plastic sheath in flat and then transporting it under predetermined tension conditions, and at least one vertical assembly for cutting the sheath and supplying the resulting sections or sleeves. The assembly includes four stages or stations positioned around a hollow mandrel on which the continuous sheath is engaged. The stations are constituted respectively by (1) means for eliminating the fold lines or the like from the flat sheath; (2) means for cutting the sheath; (3) staged means at the same time making it possible to keep the mandrel in vertical position and automatically regulating the height and rate of the cutting; and (4) means for guiding and ejecting the sleeves downward from the mandrel. The ejected sleeves are automatically placed around the containers to be covered which are travelling on a conveyor operatively associated with a device for heat-shrinking the sleeves on the containers.
REFERENCES:
patent: 3910013 (1975-10-01), Babineau
patent: 4102728 (1978-07-01), Smith
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