Screening apparatus with slot ring moveable in axial direction

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United States of America Patent

PATENT NO 6938846
SERIAL NO

09958418

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatus for screening pulp suspensions is provided, including a housing, a rotary screen within the housing, a screen chamber between the rotary screen and the housing, a reject outlet, an accept outlet, an outer screen surface defining the outer surface of the screen chamber, a bottom screen surface defining the lower surface of the screen chamber, a slot ring at the bottom screen surface and adjacent to a knob ring at the lower end of the rotary screen, and an adjustment screw for adjusting the size of the gap between the knob ring and the slot ring from outside of the housing.

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Patent Owner(s)

Patent OwnerAddress
VALMET FIBERTECH AB851 94 SUNDSVALL

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Forslund, Kjell Sundsbruk, SE 19 56
Kristrom, Klas Sörberge, SE 5 2

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