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Patent Searching and Data


Title:
ROLL DEVICE
Document Type and Number:
Japanese Patent JP2011179568
Kind Code:
A
Abstract:

To provide a roll device whose cost can be lowered and which can reduce air consumption volume.

The roll device 1 includes: a hollow roll body 2; a shaft body 4 inserted into the hollow of the roll body 2 with a gap 3 interposed therebetween; a pair of static pressure gas bearings 7 and 8 disposed at both ends 5 and 6 of the roll body 2 respectively to support the roll body 2 by a static pressure gas in a radial direction and each interposed between the roll body 2 and the shaft body 4; and a magnetic bearing 9, which supports the roll body 2 by the magnetic force in a thrust direction.


Inventors:
Sato, Hikari
Application Number:
JP2010000043375
Publication Date:
September 15, 2011
Filing Date:
February 26, 2010
Export Citation:
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Assignee:
OILES CORP
International Classes:
F16C32/04; F16C13/02; F16C32/06
Domestic Patent References:
1999-07-13
1997-11-25