Method and apparatus for spreading open envelopes

Details Method and apparatus for spreading open envelopes Method and apparatus for spreading open envelopes

B - Operations, Transporting

43

M

226/1.6

B43M 7/00 (2006.01) B43M 7/02 (2006.01)

Patent

CA 2034863

Abstract of the Disclosure Operations associated with the reciprocating suction arms of a mail extraction device are modified to prevent bleed through from occurring as the opposing faces of an envelope are spread open by the reciprocating arms by drawing an air flow through the suction arms which is sufficient to draw the envelope faces to the suction arms without necessitating their contact with the envelope, and each other. This may be achieved using a vacuum pump of increased output, or by developing a burst in air flow drawn by the suction arms, at an appropriate point just prior to their closure.

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