Flexible guide for folded, moistened documents
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United States of America Patent
Stats
-
Mar 24, 1992
Grant Date -
N/A
app pub date -
Jul 25, 1989
filing date -
Jul 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for folding, sealing and aligning seriatim a supply of documents into envelopes, each of the documents containing a water-activated adhesive on a portion thereof. The apparatus includes: a hopper for storing a supply of the documents; a device for applying moisture to a portion of the documents; a pair of folding rollers for imparting a fold to the documents; a buckle chute for stopping the forward progress of the documents and causing the documents to enter the nip of the folding rollers; a pair of ironing rollers located downstream of the folding rollers for maximizing adhesive contact of the documents and forming the envelopes; a conveying device located downstream of the ironing rollers for holding the envelopes together during transport prior to their release for further processing; and a downwardly billowing, flexible membrane situated above the conveying device. The membrane is contiguous with a portion of the conveying device, whereby the membrane is able to contact the envelopes as the envelopes are moved by the conveying device and where the alignment of the moving envelopes is maintained.
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