Press felt for papermaking

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9260819
APP PUB NO 20140202649A1
SERIAL NO

14163195

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A felt that further equalizes a pressure state under pressurization by a press so as to smooth the surface of a wet paper web without causing marking on the surface thereof and allow water to be uniformly squeezed out from the wet paper web without crushing the wet paper web is provided by a papermaking press felt wherein a difference between a maximum value and a minimum value of an interval between an upper knuckle portion and an upper knuckle portion, an interval between upper and lower knuckle portions, or an interval between a lower knuckle portion and a lower knuckle portion is arranged to be a value corresponding to 1.0 piece or less of an upper warp yarn in a base fabric.

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Patent Owner(s)

Patent OwnerAddress
ICHIKAWA CO LTDTOKYO 113-8442

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Masashi Tokyo-to, JP 136 833
Kobayashi, Yasuhiko Tokyo-to, JP 63 799
Ogiwara, Yasuyuki Tokyo-to, JP 17 52
Okamoto, Shigeyuki Tokyo-to, JP 17 288
Oouchi, Takashi Tokyo-to, JP 3 3

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