B31F - Mechanical working or deformation of paper or cardboard

More topics under "B31F - Mechanical working or deformation of paper or cardboard" (10,973)
B31F 1 - Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (9,445)
B31F 5 - Attaching together paper or cardboard sheets, strips, or webs; Reinforcing edges of paper or cardboard (1,197)
B31F 7 - Processes for working paper not otherwise provided for (331)

Patents for B31F - Mechanical working or deformation of paper or cardboard (33)
06/2011
06/14/2011	US7960011 Markings and method of producing the same
02/2010
02/10/2010	CN100588774C A heat treated package formed from fibre based packaging material
06/2008
06/19/2008	US20080145620 Novel Markings and Method of Producing the Same
04/2008
04/30/2008	CN101171130A Novel markings and method of producing the same
11/2007
11/21/2007	EP1855882A1 Novel markings and method of producing the same
09/2006
09/14/2006	WO2006095049A1 Novel markings and method of producing the same
08/2006
08/09/2006	CN1816664A A heat treated package formed from fibre based packaging material
06/2006
06/28/2006	EP1673507A2 System and method for creping electrical insulating paper
10/2005
10/20/2005	WO2005025851A3 System and method for creping electrical insulating paper
04/2005
04/07/2005	US20050072540 System and method for creping electrical insulating paper
03/2005
03/24/2005	WO2005025851A2 System and method for creping electrical insulating paper
08/2004
08/25/2004	CN1163343C Folded sheet articles and process
05/2004
05/25/2004	CA2116963C Folded sheet articles and related and other applications
01/2001
01/03/2001	EP1065045A2 Folded sheet articles
01/03/2001	EP1065044A2 Folded sheet articles
01/03/2001	EP0602090B1 Sheet article producing apparatus and method of operating such an apparatus
05/2000
05/02/2000	US6056323 Sheet articles producing apparatus and processes
12/1999
12/28/1999	US6007895 Method and apparatus for laminating stiffeners with folded sheets
10/1999
10/27/1999	CN1045922C Producing apparatus for folded paper articles
08/1999
08/31/1999	US5945195 Method and apparatus for providing folded sheets with stiffeners
05/1998
05/27/1998	CN1182672A Folded sheet articles and related and other applications
01/1998
01/20/1998	US5709642 Cushioning conversion machine and method
08/1997
08/19/1997	US5658230 Device for producing a protective layer for toilet seats
12/1996
12/11/1996	EP0662044B1 Device for manufacturing protective overlays for toilet-seats
07/1995
07/12/1995	EP0662044A1 Device for manufacturing protective overlays for toilet-seats.
01/1995
01/26/1995	WO1995002503A1 Device for manufacturing protective overlays for toilet-seats
01/26/1995	CA2144631A1 Device for producing a protective layer for toilet seats
06/1994
06/22/1994	EP0602090A1 Folded sheet articles and related and other applications
04/1993
04/01/1993	WO1993005956A1 Method and apparatus for laminating stiffeners with folded sheets
03/1993
03/24/1993	CN1070141A Folded sheet articles and related and other applications
07/1992
07/07/1992	CA1304663C Manufacturing corrugated board
08/1988
08/24/1988	EP0279609A2 Manufacturing corrugated board
11/1982
11/09/1982	CA1135099A1 Manufacture of absorbent paper products