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Class Information
Number: 162/281
Name: Paper making and fiber liberation > Apparatus > Web creping or crinkling type > Cylinder and doctor
Description: Apparatus in which a solid scraping means removes a web product from the circumference of a drum which scraping means causes crowding of the material on itself.

Sub-classes under this class:

Class Number Class Name Patents
162/282 Circumferentially grooved cylinder 9

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8667927 Apparatus for coating a cylinder, in particular a wiping cylinder of an intaglio printing press Mar. 11, 2014
8510899 Automatic cleaning air idler Aug. 20, 2013
8486229 Device for drying and treating a tissue paper web Jul. 16, 2013
8337667 Systems and methods for providing improved dewatering performance in a papermaking machine Dec. 25, 2012
8337668 Doctor blade with sensing system Dec. 25, 2012
8308908 Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade Nov. 13, 2012
8252380 Method and device for coating Aug. 28, 2012
8221589 Method, a blade holder and a doctor apparatus for detaching a web threading tail from a moving surface in a fiber web machine Jul. 17, 2012
8206556 Creping blade Jun. 26, 2012
8152966 Doctor apparatus and a method for a web forming machine for doctoring a moving surface as well as a blade holder Apr. 10, 2012
8052844 Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade Nov. 8, 2011
8048265 Creping and cutting procedure and equipment Nov. 1, 2011
7947152 Doctor blade for the paper industry May. 24, 2011
7905989 Process and apparatus for producing a tissue web Mar. 15, 2011
7867364 Doctor blade holder permitting efficient assembly of doctor assemblies and replacement of doctor blades Jan. 11, 2011
7807024 System for transferring an advancing web from a dryer across a draw to a reel section Oct. 5, 2010
7767060 Creping machine Aug. 3, 2010
7767061 Wet/dry crepe swing paper machinery Aug. 3, 2010
7718037 Creping foil for redirecting dust May. 18, 2010
7713384 Device for detachably fixing a holder for a doctor blade in a paper production plant May. 11, 2010
7691236 Creping blade with a highly smooth bevel surface Apr. 6, 2010
7685937 Composite doctor blade Mar. 30, 2010
7662261 Beam structure for a web forming machine Feb. 16, 2010
7559883 Beam structure for a paper, board or finishing machine Jul. 14, 2009
7517407 Cooling system and method for a paper coating device in a papermaking apparatus Apr. 14, 2009
7431801 Creping blade Oct. 7, 2008
7404875 Modified creping adhesive composition and method of use thereof Jul. 29, 2008
7399382 Device for cleaning a roll in a paper production plant Jul. 15, 2008
7384512 Device for stabilizing a paper web Jun. 10, 2008
7332033 Doctor bed Feb. 19, 2008
7311804 Universal doctor blade with indicia Dec. 25, 2007
7311805 System for transferring an advancing web from a dryer across a draw to a reel section Dec. 25, 2007
7309402 Doctor blade purge system Dec. 18, 2007
7244340 Creping blade Jul. 17, 2007
7217341 Treatment equipment, including a beam, for a paper machine May. 15, 2007
7175742 Doctor blade Feb. 13, 2007
7108766 Doctor unit in a paper machine Sep. 19, 2006
7048826 Method for targeted application of performance enhancing materials to a creping cylinder May. 23, 2006
7048828 Crimper with crimping wheels mounted on linear bearings May. 23, 2006
7033459 Arrangement for doctoring a belt or a soft roll surfacing in a paper or board machine Apr. 25, 2006
7013526 Equipment and method for changing a blade Mar. 21, 2006
7008506 Machine and process for producing a tissue web Mar. 7, 2006
7001487 Method and apparatus for transporting a sheet from a dryer to a reel Feb. 21, 2006
6979387 Doctor blade for removing water Dec. 27, 2005
6977029 Doctor blade Dec. 20, 2005
6911085 Doctor blade dosing system Jun. 28, 2005
6896770 Arrangement within a yankee cylinder or the like and a roller of a paper machine May. 24, 2005
6867155 Non-abrasive composite doctor blade Mar. 15, 2005
6855228 Method and device for the production of multilayer paper and related products Feb. 15, 2005
6841264 Doctor or coater blade and method in connection with its manufacturing Jan. 11, 2005

1 2 3 4

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