Envelope making apparatus

Details Envelope making apparatus Envelope making apparatus

1975-04-21

1976-11-09

Coan, James F.

93 74, B31B 1974

Patent

active

039903540

ABSTRACT:
Envelope making apparatus including a frame and conveyor means on said frame for transporting envelope blanks along a path. Stations distributed along this conveyor means form an envelope blank into an envelope structure comprising a body and at least one open flap lying transversely of the direction of travel of the conveyor means. A conveyor mechanism extends transversely of the conveyor means described, and transports an envelope structure away from said conveyor means with this open flap paralleling the direction of travel of the conveyor mechanism. A gumming station provided in said conveyor mechanism applies deposits of gum to the body and flap of the envelope structure.

REFERENCES:
patent: 2348864 (1944-05-01), Staude
patent: 2690102 (1954-09-01), Halahan et al.
patent: 3166996 (1965-01-01), Sauerman
patent: 3452652 (1969-07-01), Berkley

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