【発明の名称】抄紙機または板紙抄紙機用ロール

Japanese Patent JP2001527169

A

The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantle is provided with a number of openings extending through the mantle and/or recesses formed into the outer surface of the mantle, which openings and/or recesses form a regular pattern. Solid connecting portions in the outer surface of the mantle around said openings and/or recesses are opened so that, from each opening and/or recess, there is a connection, provided in the form of a groove or an additional recess extending into the outer surface of the roll mantle, with at least each of the openings and/or recesses adjacent to it.

JP2000516668	INDUSTRIAL APPLICABILITY Suction rollers for forming or processing material webs, especially paper webs, cardboard webs or textile webs.
WO/2021/063563	DEVICE AND METHOD FOR APPLYING PROCESS AIR
WO/2010/010109	METHOD FOR OPTIMIZING THE ENERGY BALANCE IN FORMING UNITS IN MACHINES FOR PRODUCING FIBROUS WEBS AND FORMING UNIT

Nikrainen, Osmo
Carttunen, Heikki
Reinonen, Antti
Kibiranta, Seppo
Bill Glen, Hannes
Kotkunen, Miika
Salminen, Samppa, Jay.

JP2000525624A

December 25, 2001

December 03, 1998

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Valmet Corporation

D21F3/10; F26B13/16; (IPC1-7): D21F3/10

Takao Katori

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