Voith Patent Gmbh

Michael Piper

Robert J Matz

Roman Bart

Robert L Perkovich

Juergen Futterer

A screening machine for a fiber suspension includes a vessel; a rotor disposed within the vessel; and a screen plate positioned in stationary opposition to the rotor. The screen plate includes a plurality of substantially parallel first grooves extending in a first direction and a plurality of substantially parallel second grooves extending in a second direction. The first grooves intersect with the second grooves. The first grooves and the second grooves conjunctively define a plurality of lands and depressions. A plurality of the lands and a plurality of the depressions include a through-hole extending through the screen plate.

Pulper with screen plate having maximum defibering edges

Device and method for removing heavy contaminants from an apparatus for treating a fibrous suspension. The device includes at least one connection part being coupleable to a heavy contaminants outlet of the apparatus. The at least one connection part includes an inner surface having a polygonal cross section and at least one heavy contaminants outlet.

Device for removing heavy contaminants from an apparatus for treating a fibrous suspension, in particular from a hydrocyclone that can be operated for cleaning a fibrous suspension

Growing community of inventors

Appleton, WI, United States of America

Michael Piper