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Class Information
Number: 156/442.4
Name: Adhesive bonding and miscellaneous chemical manufacture > Surface bonding means and/or assembly means therefor > Envelope sealing type > Work traversing type
Description: Apparatus in which a device is particularly adapted to move as a unit over the surface of the receptacle being sealed.

Patents under this class:

Patent Number Title Of Patent Date Issued
8474503 Systems and methods for sealing the trailing edge of a printed article Jul. 2, 2013
7886797 Apparatus for automatically closing envelopes Feb. 15, 2011
7425244 Moistening device for sealing envelope flaps Sep. 16, 2008
7384500 Manually operated moistener for items with a water-activated glue Jun. 10, 2008
6913054 Envelope flap moistening apparatus Jul. 5, 2005
6406591 Mailing machine including a stripper blade having a raise edge Jun. 18, 2002
5242499 Nozzle control system for envelope flap moistener Sep. 7, 1993
5196083 System and method for producing items in selected configurations Mar. 23, 1993
4773962 Device for moistening the closure flaps of envelopes Sep. 27, 1988

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