The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 2015
Filed:
May. 10, 2013
Petteri Vuorio, Helsinki, FI;
Ville Ruola, Helsinki, FI;
Anders Hawen, Helsinki, FI;
Peter Bergqvist, Helsinki, FI;
Håkan Sjöström, Helsinki, FI;
Christer Hedlund, Helsinki, FI;
Petteri Vuorio, Helsinki, FI;
Ville Ruola, Helsinki, FI;
Anders Hawen, Helsinki, FI;
Peter Bergqvist, Helsinki, FI;
Håkan Sjöström, Helsinki, FI;
Christer Hedlund, Helsinki, FI;
VALMET TECHNOLOGIES, INC., Espoo, FI;
Abstract
A blade element () for a conical portion () of a stator () of a refiner (). The blade element () has a feed end (), a discharge end (), and a refining surface () which has a feed zone () at the feed end () of the blade element (). The feed zone () of the blade element () has at least one guide groove () extending from the feed end () toward the discharge end () for guiding a flow of material to be refined from the feed end () toward the discharge end (). The depth of the guide groove () is arranged to change in a direction transverse in relation to the extending direction of the guide groove ().