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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Begemann; Ulrich
Address:
Leonberg, DE
No. of patents:
11
Patents:












Patent Number Title Of Patent Date Issued
5709777 Device and method for the non-clogging throttling of a fluid stream of suspended matter January 20, 1998
The invention relates to a valve or throttling device for a fluid flow, and particularly a flow containing solids, like a flow of pulp suspension. The valve has the following features: A hollow body of substantially rotational symmetry, which is traversed by liquid; the hollow body has a
5694961 Device and method for changing the flow resistance of a fluid flow control device December 9, 1997
An apparatus and method for variably controlling fluid flow in a closed flow line, especially the flow of a pulp suspension through a headbox of a paper-making machine, includes guiding fluid through a cavity of a conduit having at least two different cross-sectional profiles. Fluid flow
5639352 Headbox lamellae and method for reducing turbulence thereabout June 17, 1997
A method and apparatus for reducing turbulence in a pulp flow stream flowing through a paper making machine headbox includes providing lamellae disposed in a portion of the headbox. A lamella end portion is modified which provides for the flushing of a dead space formed in the wake of th
5622603 Influencing the jet velocity in the multilayer headbox April 22, 1997
The invention concerns a method of controlling the relative flow speed of the layers in a multi-layer headbox with laminae mounted torque-free between upper and lower lips which are stationary when in operation. The invention is characterized in that a difference in speed is produced
5573642 Method and device for evening out the basic weight cross section by sectioning the screen circui November 12, 1996
To regulate the basis weight cross section of the fiber suspension dispensed by the outlet of a headbox of a paper making machine onto the screen or screens of the following forming section, the headbox is sectioned across the width of the machine with individual first sections of fi
5565063 Device and method for choking a stock suspension flow in a paper machine October 15, 1996
A throttle device for stock suspensions in a paper machine including a feed line, a drain line and a spatially variable cavity connecting the feed line and drain line with each other. The cavities provided with a plurality of nestable walls in which the nesting effects a lengthening of
5549792 Headbox for a paper machine August 27, 1996
A headbox for a paper machine is characterized by having: at least one machine-wide channel region which defines a main direction of flow; a region for the production of turbulence; a plurality of feed lines distributed over the machine width and discharging into the headbox channel
5527433 Device and method for choking a stock suspension flow in a paper machine June 18, 1996
A throttle device for stock suspensions in a paper machine including a feed line, a drain line and a spatially variable cavity connecting the feed line and drain line with each other. The cavities provided with a plurality of nestable walls in which the nesting effects a lengthening of
5466340 Paper machine headbox and method of controlling pulp material parameters November 14, 1995
A paper machine headbox having divided sections for feeding pulp suspensions with different properties therethrough includes a single inlet line and a plurality of feed lines connected thereto. In at least one of the feed lines, there is a separation device which separates certain pulp
5401363 Method of homogenizing the constitution of a web of paper March 28, 1995
A method of manufacturing a web of fibers, especially a web of paper. The pulp is uniformly distributed through an outlet over the width of the machine and along a wire or between two wires. Most of the moisture is subsequently extracted from the pulp accommodated on or between the wires
5316383 Mixing system for mixing two liquids at constant mixture volume flow for supplying the headbox o May 31, 1994
The invention concerns a mixing system for mixing two liquids at the inlet to the headbox of a paper machine with: an inlet line (A) for the first partial volume flow (a); an inlet line (B) for the second partial volume flow (b); an outlet line (C) for the mixture volume flow (c) with th










 
 
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