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Class Information
Number: 34/459
Name: Drying and gas or vapor contact with solids > Process > Gas or vapor contact with treated material > Sheet, web, or strand > Running length of treated material
Description: Process wherein a sheet, web, or strand is conveyed through a treating zone in a continuous manner without a designed physical separation in the length of the treated material.

Sub-classes under this class:

Class Number Class Name Patents
34/463 Directing of gas or vapor 39
34/460 Gas or vapor suspends treated material 21
34/462 With spacing or coiling 8

Patents under this class:

Patent Number Title Of Patent Date Issued
7501082 Oven for drawing fibres at elevated temperature Mar. 10, 2009
7241411 Thin film strips Jul. 10, 2007
7067039 Method and equipment in connection with a paper machine or a paper web finishing apparatus Jun. 27, 2006
6920704 Drying method for a printer Jul. 26, 2005
6824829 Process for manufacturing thin film strips Nov. 30, 2004
6699365 Method of wetting webs of paper or other hygroscopic material Mar. 2, 2004
6675494 System for drying a web and process Jan. 13, 2004
6615511 Process for monitoring web breaks Sep. 9, 2003
6557269 Method and device for reducing the volume or pressure of a fluid which is driven through an opening by moving surfaces May. 6, 2003
6511708 Controlling float height of moving substrate over curved plate Jan. 28, 2003
RE37557 Board drying process and drier Feb. 26, 2002
6322667 Paper and paperboard of improved mechanical properties Nov. 27, 2001
6173507 Arrangement and operation of improved dryer between shrinkage compactors to control residual shrinkage of wet knitted web to below that produced by tumble drying Jan. 16, 2001
6168743 Method of continuously heat treating articles and apparatus therefor Jan. 2, 2001
5659975 Board drying process and drier Aug. 26, 1997
5569438 Apparatus for sterilizing a continuous packaging material web Oct. 29, 1996
5569359 System for reducing blistering of a wet paper web on a yankee dryer Oct. 29, 1996
5424034 Method and an apparatus for sterilizing a continuous packaging material web Jun. 13, 1995
5378377 Process and apparatus for removing liquid from fast moving threads Jan. 3, 1995
5319863 Dryer section Jun. 14, 1994
5250351 Elastic warp knitted fabric and method of manufacturing same Oct. 5, 1993
5244518 Corrugated board manufacturing apparatus and process including precise web moisture and temperature control Sep. 14, 1993
4734997 Method and apparatus for drying filamentary material Apr. 5, 1988
4242808 Paper web drying system and process Jan. 6, 1981

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