Refiner for refining lignocellulosic material and refining segments for such a refiner

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United States of America Patent

PATENT NO 11701665
APP PUB NO 20210146371A1
SERIAL NO

17021075

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Abstract

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A refiner for refining of lignocellulosic material includes a rotor disc and a stator disc. The rotor disc includes a first refining segment that includes a plurality of first protruding structures for grinding of the lignocellulosic material. Each of the first protruding structures is defined by a first height. The stator disc is arranged opposite the rotor disc and includes a second refining segment that includes a plurality of second protruding structures for grinding of the lignocellulosic material. Each of the second protruding structures being defined by a second height. The first height is at least three times larger than the second height.

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Patent Owner(s)

Patent OwnerAddress
VALMET ABSUNDSVALL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hedlund, Christer Katrineholm, SE 10 22
Lönngren, Karl Skanör, SE 5 9
Lundfors, Mikael Hässelby, SE 2 0

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