Package making – Methods – Applying a partial cover
Patent
1991-05-01
1993-03-23
Sipos, John
Package making
Methods
Applying a partial cover
53411, 53587, 53556, 53176, B65B 1104
Patent
active
051952971
ABSTRACT:
A load of successive units stacked in a longitudinal direction has aides with junctions extending in a lateral direction between successive units. Each of the units has at least one relatively high strength area which is resistant to circumferential crushing in the lateral direction and at least one low strength area which is substantially less resistant to circumferential crushing in the lateral direction than the high strength area. A film web is dispensed from a film web dispenser and stretched along the direction in which it is dispensed. The film web collapsed into a roped configuration and successively aligned with and within selected high strength areas by moving the film web dispenser generally in the lingitudinal direction relative to the load and stopping the relatively longitudinal movement of the web dispenser and the load at times when the web is in alignment with one of the selected high strength areas. The roped web is wrapped around the load at each of the selected high strength areas in alignment with each of the selected high strength areas. The web is then expanded from the roped configuration and wrapped around the load to cover the sides of the load in both the high and low strength areas.
REFERENCES:
patent: 4079566 (1978-03-01), Stoecklin
patent: 4235062 (1980-11-01), Lancaster
patent: 4754594 (1988-07-01), Lancaster
patent: 4807427 (1989-02-01), Casteel
patent: 4845920 (1989-07-01), Lancaster
Lancaster Joseph
Lancaster William G.
Lantech Inc.
Sipos John
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