GRINDING SEGMENT AND GRINDER STONE

WIPO Patent Application WO2002075040

A8

The invention relates to a grinding segment comprising a ceramic part (11) manufactured of grinding ceramic material and provided with a fastening hole (12), through which the grinding segment (10) is attached to a frame (9) of a grinder stone by means of a fastening bolt. A fastening sleeve (14) is arranged in the fastening hole, and the fastening bolt is supplied through the sleeve. The fastening sleeve is pressed against the frame of the grinder stone due to the fastening force. A space filled with bonding agent is formed between the ceramic part and the fastening sleeve to join them together. The invention further relates to a grinder stone comprising a cylindrical frame (9) and grinding segments (10) according to the invention.

WO/2002/075041	GRINDING ELEMENT AND GRINDER STONE
WO/2016/108836	TOOL FOR SHARPENING A PULPSTONE WITH A PATTERN PROVIDING IMPROVED WEAR CHARACTERISTICS
WO/1993/002836	METHOD AND APPARATUS FOR SHARPENING THE SURFACE OF A GRINDSTONE IN A PULP GRINDER

TUOVINEN OLLI (FI)

PCT/FI2002/000217

April 07, 2005

March 15, 2002

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METSO PAPER INC (FI)
TUOVINEN OLLI (FI)

D21B1/28; (IPC1-7): D21B1/28

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