Package making – Apparatus for forming or partially forming receptacle and... – Forming a pocket – depression – or hollow compartment by...
Patent
1992-06-08
1993-12-14
Larson, Lowell A.
Package making
Apparatus for forming or partially forming receptacle and...
Forming a pocket, depression, or hollow compartment by...
53 51, 53 75, 533294, 533746, B65B 4700
Patent
active
052691233
ABSTRACT:
In a line for packaging products in blisters made in a band of polypropylene, a device for heat sealing a film onto the blister band comprises a frame supporting an upper plate and a lower plate with hollows suited for receive the blisters. When the hollows match against the blisters of the band the plates are brought near to each other so as to clamp, in a sealing station, the interposed film and blister band, while the device allows the moving of the sealing station along an advancement direction of the band according to a longitudinal shortening of the band with respect to the steady state operation of the line.
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Larson Lowell A.
Moon Daniel
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