Envelope machine

Details Envelope machine Envelope machine

1976-05-21

1977-10-25

Coan, James F.

Sheet feeding or delivering

Delivering

Rotary conveyor

271197, B31B 108

Patent

active

040551113

ABSTRACT:
Envelope machine of the window-applicator type and means for avoiding application of gum to window when envelope blank is missing and to dispose of the window under similar circumstances.

REFERENCES:
patent: 2859672 (1958-11-01), Triolo
patent: 3288037 (1966-11-01), Burnett
patent: 3564738 (1971-02-01), Batzdorff et al.
patent: 3672667 (1972-06-01), Pahlitsch
patent: 3823937 (1974-07-01), Hirafuji

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