Blade element and refiner

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United States of America Patent

PATENT NO 9267234
APP PUB NO 20140217218A1
SERIAL NO

14140363

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Abstract

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A refiner (1, 2, 3) for refining fibrous material. And a blade element (18) for a refiner (1, 2, 3) intended for refining fibrous material. The blade element (18) having a refining surface (18′), which has blade bars (21, 23) and blade grooves (22, 24) between them. The top surface of at least one blade bar (21, 23) is provided with refining grits (25). The blade element (18) has portions (29, 30) forming a protruding part extending away above the refining surface (26a, 26b) and above the blade bars (21, 23) or the refining grits (25) on the refining surface.

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Patent Owner(s)

  • VALMET TECHNOLOGIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harju, Vesa Tampere, FI 2 7
Huhtanen, Juha-Pekka Tampere, FI 8 25
Partanen, Markku Valkeakoski, FI 4 23
Tuovinen, Olli Tampere, FI 12 19
Vuorio, Petteri Valkeakoski, FI 10 73

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