Method of erecting flat folded cases

Details Method of erecting flat folded cases Method of erecting flat folded cases

1977-02-23

1979-08-07

Coan, James. F.

93 53SD, B31B 176

Patent

active

041634144

ABSTRACT:
Flat folded four-panel case is set up in a vertical takedown plane. The case is pulled out of the plane and manipulated to cause the four panels to move relative to each other so that the case assumes a diamond shape. The case is then partially erected. Next, one of the panels is held fixed (with the others being free to move) and a bottom flap is folded inwardly. This transmits forces to the panels so that the diamond shape changes to a square shape and the case is fully erected.

REFERENCES:
patent: 3552280 (1971-01-01), Jaroch
patent: 3888164 (1975-06-01), Taddei
patent: 3956976 (1976-05-01), Vogel et al.

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