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Browse by Category: Main > Packaging & Containers
Class Information
Number: 53/381.3
Name: Package making > Means to open or erect receptacle > With cutting 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.










Patents under this class:

Patent Number Title Of Patent Date Issued
8430007 Document processing machine with improved driving system Apr. 30, 2013
7871215 Reconfigurable mailing machine for printing and opening mailpieces Jan. 18, 2011
7520109 Reconfigurable mailing system having interchangeable mailpiece sealing and opening modules Apr. 21, 2009
6912827 Apparatus for opening envelopes Jul. 5, 2005
6763648 Drive and actuating system for an envelope-filling station Jul. 20, 2004
6725752 Mail processing machine Apr. 27, 2004
6612211 Apparatus for opening envelopes Sep. 2, 2003
6230471 Method and apparatus for processing envelopes containing contents May. 15, 2001
6196393 Extraction and scanning system Mar. 6, 2001
6192661 Return envelope assembly Feb. 27, 2001
6092353 Device for extracting of the contents of an envelope Jul. 25, 2000
5983609 Method and apparatus for opening an envelope Nov. 16, 1999
5852918 Method and apparatus for processing received postal items Dec. 29, 1998
5675959 Opening fingers for envelope inserting apparatus Oct. 14, 1997
5474414 Automatic content separating system Dec. 12, 1995
5440861 Method and apparatus for emptying envelopes Aug. 15, 1995
5333437 Rotative inserting unit for documents and sheets of paper, in particular for automatic equipment for the printing and inserting of said materials into envelopes Aug. 2, 1994
5175979 Apparatus and method for removing contents from an envelope Jan. 5, 1993
5156515 Machine for extracting contents from envelopes Oct. 20, 1992
5054700 Apparatus for the automated processing of bulk mail and the like Oct. 8, 1991
5052168 Method and apparatus for spreading open envelopes Oct. 1, 1991
4934892 Envelope processing apparatus Jun. 19, 1990
4926729 Envelope opener May. 22, 1990
4921388 Envelope opener and load separator May. 1, 1990
4893454 Envelope opening machine and method Jan. 16, 1990
4866915 Envelope contents removal Sep. 19, 1989
4863037 Apparatus for the automated processing of bulk mail and the like Sep. 5, 1989
4553459 Methods and an apparatus for trilaterally opening an envelope Nov. 19, 1985
4333300 Envelope processing machine and method Jun. 8, 1982
4228634 Envelope opening process and composition Oct. 21, 1980
4189341 Envelope opening mechanism Feb. 19, 1980
4159611 Envelope processing machine and method Jul. 3, 1979
4144786 Envelope edge slitting apparatus Mar. 20, 1979
4123890 Envelope opening apparatus and method Nov. 7, 1978
4082603 Envelope opening process Apr. 4, 1978
4050222 Envelope opening apparatus Sep. 27, 1977
4018033 Daylight film handling system Apr. 19, 1977
4016708 Envelope processing machine Apr. 12, 1977
3943807 Automated envelope opener Mar. 16, 1976











 
 
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