Method and apparatus for opening folded box blanks

Details Method and apparatus for opening folded box blanks Method and apparatus for opening folded box blanks

1975-04-22

1977-06-07

Coan, James F.

93 53R, B31B 178

Patent

active

040275795

ABSTRACT:
The present invention relates to a method and apparatus for opening folded box blanks so that the opened blank can be filled. Apparatus of one embodiment of the invention comprises a substantially cylindrical cam having an axially and radially progressing spiral cam surface and a plurality of elongated transport screws for supplying, one at a time, folded box blanks to one end of the cam. The blank is opened upon rotation of the cam.

REFERENCES:
patent: 1848707 (1932-03-01), Gangler
patent: 2116607 (1938-05-01), Milmoe
patent: 2694350 (1954-11-01), Malhiot
patent: 2746363 (1956-05-01), Anderson
patent: 3748972 (1973-07-01), Barton
patent: 3952636 (1976-04-01), Reichert

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