Carton end panel folding mechanism

Details Carton end panel folding mechanism Carton end panel folding mechanism

1989-09-11

1991-02-05

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493163, 493177, 493183, B31B 332

Patent

active

049901281

ABSTRACT:
A carton leading and trailing end panel folding mechanism for use with a tubular carton blank mounted on a mandrel, with the end closure panels extended beyond the face of the mandrel. The main folding mechanism is a single freely rotatable roller which serves to first fold the leading panel rearwardly as the latter rotates therepast, and then to engage and fold the trailing panel forwardly as it rotates therepast. The roller may be stationary until contacted by the leading panel.

REFERENCES:
patent: 3183801 (1905-05-01), Egleston
patent: 3225666 (1965-12-01), Reimers
patent: 3303761 (1967-02-01), Monroe et al.
patent: 4041850 (1977-08-01), Reichert
patent: 4738077 (1988-04-01), Wakabayashi et al.
patent: 4776830 (1988-10-01), Fujikawa et al.

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