B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/26, 32/32
B05D 5/10 (2006.01) B43M 5/04 (2006.01)
Patent
CA 1055323
ABSTRACT OF THE DISCLOSURE An apparatus and method is provided for applying seal- ing material to the facing closure flap and opposed body portion of an envelope, the apparatus including a continuous belt driven conveying means for conveying envelopes with closed flaps to a sealing material applicator after unfolding the closed flaps through an angle of approximately 180° to a generally horizontal position, after which the envelopes are passed through a dryer for drying the sealing material, subsequent to which the envelopes are removed from the conveyor means and in consequence of which a single operator may readily feed and unload the apparatus of the sub- ject invention. In the method for applying strips sealing material to the envelope, the envelopes are fed to the conveying means, the flap closures are sequentially rotated to a generally horizontal position in order to next enable the application of sealing ma- terial to both the inside surface of the flap closure and the op- posed body portion of the envelope, after which, the envelopes are passed through a drier to dry the sealing material; finally, the envelopes are removed from the conveying means and stacked.
231830
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