Press felt for papermaking and manufacturing method

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Knit fabric – Knit fabric is characterized by a particular or differential...

Reexamination Certificate

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C442S319000, C162S358200, C162S900000

Reexamination Certificate

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07381665

ABSTRACT:
A press felt for papermaking comprises a base body, a fibrous assembly, and a three-dimensional knitted fabric layer comprising two pieces of fabric connected by connecting fibers. The three-dimensional knitted fabric layer is disposed within the press felt at a distance from both the wet paper web contact surface and the machine contact surface of the felt. At least some of the connecting fibers are diagonal fibers.

REFERENCES:
patent: 7105077 (2006-09-01), Onikubo et al.
patent: 2004/0173274 (2004-09-01), Onikubo et al.
patent: 2727442 (1996-05-01), None
patent: 02229247 (1990-09-01), None
FR 272442 A1 Derwent Englsih Abstract, May 31, 1996.
JP 2001-234456 English Abstrac, Aug. 31, 2001 plus 3 pages of Figures.
JP 02-229247 A Ikenaga et al. (English Abstract).

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