Carton forming machine

Details Carton forming machine Carton forming machine

1975-11-04

1977-06-14

Coan, James F.

93 53LF, B31B 360, B31B 150

Patent

active

040289990

ABSTRACT:
A machine for forming a precut paperboard blank into carton form with the lid extending vertically from its related back wall in unfolded condition. The forming means includes spring pressed rollers acting in cooperation with a mandrel to fold the carton side panels from horizontal to vertical and other means to cause interlocking of end tabs on the front and back panels with slits in the end panels. The structure also includes vertical slots enabling the unbent end flaps on the lid to pass downwardly therethrough as the carton is formed.

REFERENCES:
patent: 3102456 (1963-09-01), Bailey
patent: 3168018 (1965-02-01), Dunn
patent: 3400639 (1968-09-01), Wainberg
patent: 3785255 (1974-01-01), Talbot et al.
patent: 3913300 (1975-10-01), Benzing

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