Wet paper web transfer belt

Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...

Reexamination Certificate

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Details

C162S361000, C162S901000, C442S079000, C442S118000, C442S227000, C442S075000, C428S143000

Reexamination Certificate

active

10966891

ABSTRACT:
A wet paper web transfer belt comprises a base body, a wet paper web side layer, and a machine side layer. The wet paper web side layer is formed of a high molecular weight elastic section, and fibers and filler particles are exposed at its surface. The fibers and filler particles are exposed in the form of an island-sea structure comprising islands section where the fibers are exposed, and a sea section where the filler particles are exposed. The fibers and the filler particles, both exposed at the wet paper web side layer, hold water at different times in the papermaking process as the wet paper web moves out of the press part of the papermaking machine.

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patent: 6531033 (2003-03-01), Kawashima
patent: 6547924 (2003-04-01), Klerelid et al.
patent: 6605188 (2003-08-01), Hagfors et al.
patent: 2004/0154776 (2004-08-01), Inoue
patent: 3264461 (2001-12-01), None

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