B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/32
B65B 11/18 (2006.01) B65B 11/54 (2006.01)
Patent
CA 1301045
ABSTRACT OF THE DISCLOSURE Disclosed herein is a machine for wrapping filled trays in thermo- plastic film, said machine having a film folding device in which the side folding arms and back folding bar move along linear paths in synchronized motion so that the points of coincidence between the back folding bar and the side folding arms define a curve which approximates a diagonal to the tray being wrapped. This film folding device provides uniquely smooth folds on the bottom of a tray which can be readily heat sealed to produce a relatively leakproof package.
577778
Jahn Robert E.
Owen Dave L.
Cryovac Inc.
Smart & Biggar
LandOfFree
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