| US 7,540,942 B2 | ||
| Press belt and shoe press roll | ||
| Takahisa Hikita, Yawata (Japan) | ||
| Assigned to Yamauchi Corporation, Osaka (Japan) | ||
| Appl. No. 10/573,321 PCT Filed Sep. 13, 2004, PCT No. PCT/JP2004/013327 § 371(c)(1), (2), (4) Date Mar. 24, 2006, PCT Pub. No. WO2005/028748, PCT Pub. Date Mar. 31, 2005. |
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| Claims priority of application No. 2003-331764 (JP), filed on Sep. 24, 2003. | ||
| Prior Publication US 2007/0029062 A1, Feb. 08, 2007 | ||
| Int. Cl. D21F 3/02 (2006.01) | ||
| U.S. Cl. 162—358.4 [162/901; 428/167] | 6 Claims |
| 1. A press belt in a pressing apparatus comprising the press belt rotated endlessly and pressing means provided inside and/or
outside a periphery of the press belt, said press belt comprising:
many drain grooves extending along a belt travel direction; and
many lands positioned between the adjacent grooves and extending along the belt travel direction,
wherein said land has an upper surface which is curved upwardly as a transverse sectional configuration along a belt width
direction,
wherein said lands are spaced apart from each other by the groove therebetween,
wherein said upper surface of the land comprises a linear part on its top as a transverse sectional configuration along the
belt width direction, and
wherein a width of said linear part is defined as “s” and a width of the land is “W”, and a relation between them is such
that s/W<0.5.
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