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Class Information
Number: 34/114
Name: Drying and gas or vapor contact with solids > Apparatus > Rotary drums or receptacles > External > Plural > Gas or vapor circulation for contact with treated material
Description: Apparatus including means to contact the solids undergoing treatment with a gas or vapor.










Sub-classes under this class:

Class Number Class Name Patents
34/115 Through material or introduction through drum 167


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8544184 Method and apparatus for drying a fibrous web Oct. 1, 2013
8261465 Equipment and method for producing and/or treating a fibrous web Sep. 11, 2012
8196314 Apparatus for drying a fibrous web Jun. 12, 2012
8176650 Method for warming up or cooling down a through-air dryer May. 15, 2012
8123908 Runnability component and a method for controlling underpressure in a drying section of a paper machine or the like Feb. 28, 2012
8117765 Apparatus and method of sealing of a pocket space between drying cylinders in a paper machine or a board machine Feb. 21, 2012
8118978 Runnability component and a method for saving energy in a drying section of a paper machine or the like Feb. 21, 2012
8088255 Sheet stabilizer with dual inline machine direction air clamps and backsteps Jan. 3, 2012
8083896 Pressure equalizing baffle and coanda air clamp Dec. 27, 2011
8083895 Sheet stabilization with dual opposing cross direction air clamps Dec. 27, 2011
7976683 Machine for producing a fibrous web Jul. 12, 2011
7905989 Process and apparatus for producing a tissue web Mar. 15, 2011
7892399 Local tension generating air stabilization system for web products Feb. 22, 2011
7846297 Method and device in a dryer section of a fibre-web machine, such as a paper or board machine Dec. 7, 2010
7758727 Method for producing soft bulky tissue Jul. 20, 2010
7686923 Paper machine dewatering system Mar. 30, 2010
7666276 Apparatus for producing tissue paper Feb. 23, 2010
7662262 Supercalendering optimization using a steam shower Feb. 16, 2010
7582187 Process and apparatus for producing a tissue web Sep. 1, 2009
7536806 Arrangement in a paper machine May. 26, 2009
7513975 Cross-direction actuator and control system with adaptive footprint Apr. 7, 2009
7473335 Apparatus and method for monitoring the transfer of a material web Jan. 6, 2009
7459061 Steam distribution apparatus with removable cover for internal access Dec. 2, 2008
7459060 Reverse bump test for closed-loop identification of CD controller alignment Dec. 2, 2008
7442279 Method and apparatus for producing tissue paper Oct. 28, 2008
7435315 Arrangement for stabilizing a web Oct. 14, 2008
7294235 Supercalendering optimization using a steam shower Nov. 13, 2007
RE39601 Method of and a device for transferring running dried web from one device to a subsequent device May. 1, 2007
7192507 Machine for producing a fibrous material web Mar. 20, 2007
7112258 Method and apparatus for making a tissue paper with improved tactile qualities while improving the reel-up process for a high bulk web Sep. 26, 2006
7060163 Device for continuous drying of a pulp sheet Jun. 13, 2006
7040038 Apparatus for processing permeable or semi-permeable webs May. 9, 2006
7017279 Method and apparatus for blowing drying gas in a paper machine Mar. 28, 2006
6998018 Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web Feb. 14, 2006
6998021 Arrangement for paper machine, and blow box Feb. 14, 2006
6977028 Method of drying a web Dec. 20, 2005
6944966 Steam blower box Sep. 20, 2005
6904700 Apparatus for drying a tissue web Jun. 14, 2005
6896770 Arrangement within a yankee cylinder or the like and a roller of a paper machine May. 24, 2005
6797115 Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web Sep. 28, 2004
6793773 Method and system in a paper machine or the like passing a web from the press section to the drying section Sep. 21, 2004
6772533 Arrangement in the drying section of a paper machine Aug. 10, 2004
6740204 Apparatus for treating a fibrous web May. 25, 2004
6726810 Apparatus for smoothening a paper web before coating Apr. 27, 2004
6708423 Device for dewatering a fibrous material web Mar. 23, 2004
6706150 Method and arrangement of impingement for blowing compensation of a tendency of curling of a paper board web to be treated as well as a paper or board machine Mar. 16, 2004
6694640 Calender humidity control system and method Feb. 24, 2004
6694639 Sheet material and method and apparatus for drying therefor Feb. 24, 2004
6678969 Clothes dryer Jan. 20, 2004
6647643 Clothes dryer Nov. 18, 2003

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