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:
Feb. 27, 2001
Filed:
Jul. 12, 1999
Applicant:
Inventors:
Pekka Haikkala, Siivikkala, FI;
Jouko Hautala, Tampere, FI;
Heikki Liimatainen, Tampere, FI;
Kari Pärssinen, Tampere, FI;
Simo Setälä, Tampere, FI;
Olli Tuovinen, Tampere, FI;
Assignee:
Valmet Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 1/912 ;
U.S. Cl.
CPC ...
B02C 1/912 ;
Abstract
An arrangement in a pulp grinder comprising a grindstone (,), a feed chute (,), and a piston to feed wood (,) against the grindstone (,). The arrangement comprises separate pushing members (,), which are arranged to push the wood (,) against the grindstone (,) at essentially the entire width of the feed chute when the percussion piston is moved back to the stroke position to allow the feed of a new batch of wood.