Envelope assembly apparatus
AssigneeNational Service Industries, Inc.
InventorRobert E. Wooley
Life of this patent
Estimating the term…
Abstract
An envelope forming machine includes frame means supporting envelope blank feed means for feeding envelope blanks from an upstream end serially past aligner means, a printer transfer roller positioned adjacently above selectively operable printer means, scoring means and folding means to an envelope delivery station, with a release paper patch applying means being positioned above the transfer roller to apply a patch of release paper to adhesive on a flap of each envelope as each envelope flap passes over the printer transfer roller which serves as a backup roller against the flap during the application of the patch of release paper to the envelope flap.
Claims7
In an envelope forming machine of the type including frame means supporting envelope blank feed means for feeding envelope blanks along a feed path from an upstream end serially past aligner means, a printer transfer roller adjacently above selectively operable printer means, scoring means and folding means to an envelope delivery station, the improvement comprising release paper patch applying means positioned adjacent said transfer roller and being operable to apply a patch of release paper to adhesive on a flap of each envelope as each of said envelope flaps passes over said printer transfer roller which serves as a backup roller against the flap during the application of the patch of release paper to the opposite side thereof.
An envelope forming machine including conveyor means for feeding envelope blanks past a plurality of work stations including a printing station, said printing station including a selectively operable transfer roller for feeding envelope blanks relative to a platen roller and release paper patch applying means positioned adjacent said conveyor means and facing said transfer roller to apply a patch of release paper to adhesive on each of said envelope blanks as each envelope blank passes over the transfer roller which serves as a back-up roller against the portion of the envelope blank onto which the release paper patch is applied.
Dependencies are inferred from the claim text.