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...http://www.google.fr/patents/US20080053874?utm_source=gb-gplus-shareBrevet US20080053874 - Pulper with screen plate having maximum defibering edges
Pulper with screen plate having maximum defibering edges
Numéro de demande: 11/512,852 Numéro de publication: US 2008/0053874 A1 Date de dépôt: 30 août 2006 Brevet délivré: US7987991 ( Date de délivrance 2 août 2011)
