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Class Information
Number: 156/441.5
Name: Adhesive bonding and miscellaneous chemical manufacture > Surface bonding means and/or assembly means therefor > Envelope sealing type
Description: Apparatus uniquely adapted to adhere the flap of a flat flexible receptacle to the body thereof.










Sub-classes under this class:

Class Number Class Name Patents
156/442.1 With bending or folding means 81
156/442.2 With feeding means 71
156/442 With stamp applying means 19
156/442.4 Work traversing type 9


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8667923 Water feed device for an inclined moistener in a mail handling machine Mar. 11, 2014
8607727 Assembly for applying a fluid behaviour substance, in particular for envelopes of letters provided with a closure strip Dec. 17, 2013
8474503 Systems and methods for sealing the trailing edge of a printed article Jul. 2, 2013
8397782 Mailing machine fluid level indicator Mar. 19, 2013
8163115 Method, system and article for producing a mailpiece envelope having improved seal integrity Apr. 24, 2012
8109063 Movable sealer Feb. 7, 2012
8006635 Adjustable water feed device for feeding water to a moistener in a mail handling machine Aug. 30, 2011
7980546 Mail paper sealing apparatus Jul. 19, 2011
7951250 Integrated folding/tabbing apparatus for creating mailpieces May. 31, 2011
7931770 Process and equipment for continuous decoration of structural shapes by sublimation Apr. 26, 2011
7748426 Envelope closing mechanism and method for closing an envelope Jul. 6, 2010
7520109 Reconfigurable mailing system having interchangeable mailpiece sealing and opening modules Apr. 21, 2009
7442276 Separator device for franking machine feeder Oct. 28, 2008
7427059 Paper handling system materials exit path arrangement Sep. 23, 2008
7425244 Moistening device for sealing envelope flaps Sep. 16, 2008
7384500 Manually operated moistener for items with a water-activated glue Jun. 10, 2008
7364621 Water feed device for a moistener of a mail handling machine Apr. 29, 2008
7125454 Device for selectively moistening envelope flaps Oct. 24, 2006
7067036 Active moistening system for mailing machine Jun. 27, 2006
6913054 Envelope flap moistening apparatus Jul. 5, 2005
6893534 Universal device for moistening envelope flaps May. 17, 2005
6843884 Apparatus for moistening an envelope Jan. 18, 2005
6808594 System and method for managing overflow of moistening fluid in a mailing machine Oct. 26, 2004
6804932 Envelope sealing device for a mailing machine Oct. 19, 2004
6803100 Rewettable adhesive systems Oct. 12, 2004
6783594 Self-adjusting moistener system for a mailing system Aug. 31, 2004
6708467 Envelope moistener with temperature adjusting apparatus Mar. 23, 2004
6635145 Packaging filler product Oct. 21, 2003
6554956 Method and apparatus for sealing closed envelopes Apr. 29, 2003
6406591 Mailing machine including a stripper blade having a raise edge Jun. 18, 2002
6361603 Apparatus for moistening envelope flaps Mar. 26, 2002
6322663 Configuration for closing envelopes Nov. 27, 2001
6035915 Tab dispensing apparatus and related method Mar. 14, 2000
6001910 Use of anionic or cationic plasticizers with sulfonated polyesters in hot melt formulations Dec. 14, 1999
6001217 Cut and seal unit for sheet material Dec. 14, 1999
5976313 Adjustable spray moistener for envelopes Nov. 2, 1999
5946889 Apparatus and method for enclosing a confidential sheet between a first enclosure sheet and a second enclosure sheet within a document security apparatus Sep. 7, 1999
5944946 Apparatus and process for perimeter pressure sealing Aug. 31, 1999
5941048 Apparatus and method of sealing an envelope in a document security apparatus Aug. 24, 1999
5937619 Apparatus and method for sealing an envelope having a first lateral side and a second lateral side in a document security apparatus Aug. 17, 1999
5934045 Method for providing confidentiality to a facsimile transmission having information associated with a first page of the transmission printed on a first enclosure sheet Aug. 10, 1999
5887411 Apparatus and method for positioning a number of non-transparent enclosure sheets in a document security apparatus Mar. 30, 1999
5863373 Pressure sealing method for business forms Jan. 26, 1999
5840123 Mailing system moistener apparatus with recirculating excess moistening fluid Nov. 24, 1998
5814183 Method and mechanism for sealing an envelope Sep. 29, 1998
5807463 Mailing machine including a moistener system Sep. 15, 1998
5770005 Envelope flap sealing device Jun. 23, 1998
5746881 Moistener for a postage meter May. 5, 1998
5739653 Servo motor feedback used as drive train diagnostic Apr. 14, 1998
5722538 Label assembly for package sleeve accommodating a storage media disc and method for sealing a package sleeve Mar. 3, 1998

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