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Class Information
Number: 53/381.5
Name: Package making > Means to open or erect receptacle > Means to open envelope
Description: Apparatus particularly adapted to provide access into a cover comprised of upper and lower planar sheets which, before access to the package, engaged each other and were united at their perimeters, which cover was intended to hold sheet-like goods.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7475522 |
Envelope filling machine |
Jan. 13, 2009 |
| 7454882 |
Methods for variably opening envelopes |
Nov. 25, 2008 |
| 7448190 |
Machine for sealed cover for a set of documents |
Nov. 11, 2008 |
| 7424798 |
Inserter for inserting postal items into envelopes |
Sep. 16, 2008 |
| 7401448 |
Apparatus for inserting documents into envelopes |
Jul. 22, 2008 |
| 7389624 |
Method and device for controlling envelope flap during insertion |
Jun. 24, 2008 |
| 7181895 |
Jam tolerant mail inserter |
Feb. 27, 2007 |
| 7155878 |
Device for opening the throat of an envelope in an insertion station |
Jan. 2, 2007 |
| 6990789 |
Adjustable stripper blade/moistener system for a mailing system |
Jan. 31, 2006 |
| 6978583 |
High speed vacuum system for inserters |
Dec. 27, 2005 |
| 6789377 |
Envelope-filling station |
Sep. 14, 2004 |
| 6766626 |
Floating stripping skis for mailing machine |
Jul. 27, 2004 |
| 6718731 |
High speed machine for inserting sheets into envelopes |
Apr. 13, 2004 |
| 6718740 |
Inserting apparatus and method with controlled, master cycle speed-dependent actuator operations |
Apr. 13, 2004 |
| 6666000 |
High speed machine for inserting sheets into envelopes |
Dec. 23, 2003 |
| 6584751 |
High speed machine for inserting sheets into envelopes |
Jul. 1, 2003 |
| 6453651 |
High speed machine for inserting sheets into envelopes |
Sep. 24, 2002 |
| 6240710 |
Stage and thread assembly for highspeed envelope packing apparatus |
Jun. 5, 2001 |
| 6199348 |
High speed envelope packing apparatus |
Mar. 13, 2001 |
| 6155031 |
Modular automatic envelope inserting machine |
Dec. 5, 2000 |
| 6098374 |
Envelope opening apparatus |
Aug. 8, 2000 |
| 6098382 |
Set of document envelopes, method and device for using thereof and method for making the set |
Aug. 8, 2000 |
| 6092353 |
Device for extracting of the contents of an envelope |
Jul. 25, 2000 |
| 5992132 |
Rotating envelope insertion horn |
Nov. 30, 1999 |
| 5867967 |
Envelope flap opening device |
Feb. 9, 1999 |
| 5832702 |
Motion control profile to improve reliability of inserter during insertion |
Nov. 10, 1998 |
| 5809749 |
High speed envelope packing apparatus |
Sep. 22, 1998 |
| 5802808 |
Envelope throat opening mechanism for inserting machine |
Sep. 8, 1998 |
| 5737899 |
Insertion packet centering device |
Apr. 14, 1998 |
| 5729954 |
Envelope flap opener apparatus |
Mar. 24, 1998 |
| 5722221 |
Envelope opening apparatus |
Mar. 3, 1998 |
| 5715648 |
Envelope opening apparatus |
Feb. 10, 1998 |
| 5706636 |
Envelope-stuffing device |
Jan. 13, 1998 |
| 5675959 |
Opening fingers for envelope inserting apparatus |
Oct. 14, 1997 |
| 5660030 |
High speed envelope inserting station |
Aug. 26, 1997 |
| 5655668 |
Method and apparatus for verifying whether documents have been separated from an opened envelope |
Aug. 12, 1997 |
| 5642598 |
Collation feeding mechanism for envelope inserting machine |
Jul. 1, 1997 |
| 5630312 |
Ejection mechanism for envelope inserting machine |
May. 20, 1997 |
| 5618375 |
Envelope processing unit |
Apr. 8, 1997 |
| 5524417 |
Envelope opening mechanism for inserter apparatus |
Jun. 11, 1996 |
| 5517797 |
Envelope positioning apparatus for inserting machine |
May. 21, 1996 |
| 5511357 |
Apparatus for controlling the position of an envelope in an inserter machine |
Apr. 30, 1996 |
| 5487254 |
Apparatus for inserting material into envelopes |
Jan. 30, 1996 |
| 5448874 |
Method and apparatus for removing objects from sterile packaging |
Sep. 12, 1995 |
| 5447015 |
High speed insertion device |
Sep. 5, 1995 |
| 5415068 |
Multi-function envelope feeder |
May. 16, 1995 |
| 5414977 |
Envelope stuffing device |
May. 16, 1995 |
| 5410860 |
Inserting device for inserting documents into an envelope |
May. 2, 1995 |
| 5282350 |
High speed inserter fed from roll material |
Feb. 1, 1994 |
| 5255498 |
Envelope stuffing apparatus |
Oct. 26, 1993 |
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