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Browse by Category: Main > Material Science
Class Information
Number: 34/636
Name: Drying and gas or vapor contact with solids > Apparatus > Sheet, web, or strand > For flexible sheet, web, or strand > Running length > With gas or vapor circulation for contact with treated material > Including plural chambers or zones
Description: Subject matter including more than one treating compartment or treating area.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8216033 Low pressure blow-off assemblies and related methods Jul. 10, 2012
7526878 Method and apparatus for drying coating film and method for producing optical film May. 5, 2009
7316184 Drier for a web of material Jan. 8, 2008
7204911 Process and apparatus for forming discrete microcavities in a filament wire using a polymer etching mask Apr. 17, 2007
7073274 Drying device Jul. 11, 2006
6964117 Method and apparatus for adjusting a moisture profile in a web Nov. 15, 2005
6823606 Dryer section Nov. 30, 2004
6735882 Drying apparatus May. 18, 2004
6591518 Integral expander support brackets for air knife drier cassettes Jul. 15, 2003
6581302 Dryer for goods in strip or panel form Jun. 24, 2003
6564474 Apparatus for heat processing of substrate May. 20, 2003
6523279 Drying roll for drying a material web Feb. 25, 2003
6425271 Apparatus for treating fabrics Jul. 30, 2002
6412189 Steam box of a paper machine Jul. 2, 2002
6397488 Apparatus and method for drying printing composition on a print medium Jun. 4, 2002
RE37557 Board drying process and drier Feb. 26, 2002
6286229 Method and apparatus for treating a board-like material with a gaseous agent Sep. 11, 2001
6280576 After-dryer in a paper machine Aug. 28, 2001
6223448 Device for conditioning a paper web May. 1, 2001
6192596 Active microchannel fluid processing unit and method of making Feb. 27, 2001
6185836 Steam-heated roller with cooling system Feb. 13, 2001
6168743 Method of continuously heat treating articles and apparatus therefor Jan. 2, 2001
6155518 Blow box for levitated guidance of a material web Dec. 5, 2000
6108942 Opposed belt drying apparatus for sliced wood veneers Aug. 29, 2000
6006446 Apparatus for the treatment, in particular drying, of material webs Dec. 28, 1999
5992051 Carpet drying system Nov. 30, 1999
5970627 Active web stabilization apparatus Oct. 26, 1999
5970626 Dryer for broad articles Oct. 26, 1999
5908290 Heat treatment furnace for fiber Jun. 1, 1999
5798026 Dry end steam applicator Aug. 25, 1998
5659975 Board drying process and drier Aug. 26, 1997
5588223 Restrained paper dryer Dec. 31, 1996
5581909 Heat treatment apparatus for yarn Dec. 10, 1996
5579590 Apparatus for in-line processing of a heated and reacting continuous sheet of material Dec. 3, 1996
5568693 Method and an apparatus for the processing of photographic sheet material Oct. 29, 1996
5564200 Device for heat treatment of a continuously guided material web, in particular a textile web Oct. 15, 1996
5507102 Drier having a drying chamber with two separate gas inlets Apr. 16, 1996
5378377 Process and apparatus for removing liquid from fast moving threads Jan. 3, 1995
5249374 Apparatus for continuously drying and shrinking lengths of textile material Oct. 5, 1993
5134789 Installation for wet and/or dry treatment of a web, yarn, strand or of filiform textile goods Aug. 4, 1992
5038495 Device for cooling a web of material coming out of a drier Aug. 13, 1991
4817299 Convection heat treating apparatus for thermal treatment of a traveling substrate Apr. 4, 1989
4753777 Apparatus for continuous production of carbon fibers Jun. 28, 1988
4719708 Arrangement in material drying systems Jan. 19, 1988
4674976 Method for the preparation of a foamed article of a polyolefin resin Jun. 23, 1987
4654981 Drying apparatus for sliced veneer Apr. 7, 1987
4600181 Gas cooling and recirculating device in continuous strip furnaces Jul. 15, 1986
4545136 Isolation valve Oct. 8, 1985
4538361 Apparatus for the treatment of continuously transported lengths of textile material with circulating air, especially a tentering frame dryer Sep. 3, 1985
4316663 X-ray film processor with switching heaters Feb. 23, 1982

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