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Class Information
Number: 162/346
Name: Paper making and fiber liberation > Apparatus > Running or indefinite length product forming and/or treating means > Means directing stock into contact with molding surface > Flow box, slice, and/or approach flow > Slice > Width adjustment
Description: Apparatus in which means are provided for regulating at will the side-to-side span of the issuing slurry stream.










Patents under this class:

Patent Number Title Of Patent Date Issued
7504003 Arrangement in a headbox Mar. 17, 2009
7431800 Device and method for on-line control of the fibre direction of a fibre web Oct. 7, 2008
6770171 Method and system for controlling headbox in a paper/board machine Aug. 3, 2004
6471828 Headbox Oct. 29, 2002
6368464 Device for feeding a pulp suspension to a dewatering installation Apr. 9, 2002
6214169 Sheet formation system with deckle plates and method for reducing edge waves Apr. 10, 2001
6106671 Intelligent gap control for improved paper machine profile control Aug. 22, 2000
6033527 Paper machine edge fiber alignment control by angled headbox sides Mar. 7, 2000
5454911 Apparatus for hydrolyzing and drying lignocellulosic material Oct. 3, 1995
5304285 Stock-inlet for papermaking machine Apr. 19, 1994
4927499 Apparatus for stabilizing the jet flow exiting a headbox of a paper machine May. 22, 1990
4576681 Machine for making a fiber web with sharply defined edges Mar. 18, 1986
4197159 Flowboxes Apr. 8, 1980
4124441 Sheet forming apparatus including edge seals for forming wires Nov. 7, 1978
4089739 Head box having guide block and adjustable slice plates May. 16, 1978
4081321 Movable deckle within headbox outlet Mar. 28, 1978
3979254 Secondary headbox for overlay application in board formation Sep. 7, 1976
3972771 Headbox with variable eddy decay length Aug. 3, 1976











 
 
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