Method and apparatus for removing contents from an envelope
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United States of America Patent
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Jan 19, 1993
Grant Date -
N/A
app pub date -
May 30, 1991
filing date -
May 30, 1990
priority date (Note) -
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Abstract
An envelope to be opened and emptied has a first and a second panel (12, 13) at least partially severed along three folding edges and interconnected along a fourth folding edge. A portion of the first panel is moved relatively to the second panel in the direction of the fourth folding edge and pivoted about the fourth folding edge. According to the invention a portion of the envelope adjoining the substantially severed folding edge opposite the fourth folding edge is curled and subsequently the edge of the second panel opposite the fourth folding edge is withheld by a retainer from following the movement of said portion of said first panel. Envelopes of which the front and the back panel are not completely severed along three folding edges can mechanically and reliably be opened and emptied.
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