Skin packaging machine with vacuum frame

Package making – Skin packaging

Patent

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Details

53141, 53427, B65B 1152

Patent

active

045759910

ABSTRACT:
A skin packaging machine having a vacuum box, an oven spaced above the vacuum box, a film frame movable between the vacuum box and the oven, and a source of film. The film frame is hollow and is connected to a source of vacuum. Holes are formed around the upper surface of the film frame to hold the film to the frame during the packaging operation.

REFERENCES:
patent: 2991600 (1961-07-01), Lancaster
patent: 3377770 (1968-04-01), Rorer
patent: 3449886 (1969-06-01), Connelly et al.
patent: 3501886 (1970-03-01), Watts et al.
patent: 3512335 (1970-05-01), Rorer
patent: 4077184 (1978-03-01), Kremer et al.
patent: 4418511 (1983-12-01), Collin

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