Invention Grant
- Patent Title: Papermaking felt
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Application No.: US15492088Application Date: 2017-04-20
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Publication No.: US10240293B2Publication Date: 2019-03-26
- Inventor: Yasuyuki Ogiwara
- Applicant: Ichikawa Co., Ltd
- Applicant Address: JP Bunkyo-ku
- Assignee: Ichikawa Co., Ltd.
- Current Assignee: Ichikawa Co., Ltd.
- Current Assignee Address: JP Bunkyo-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2016-096481 20160421; JP2017-056503 20170322
- Main IPC: D21F1/00
- IPC: D21F1/00 ; D21F7/08

Abstract:
There is provided a papermaking felt comprising at least one base fabric and at least one batt layer integrated with the base fabric. The base fabric comprises a first base fabric, a second base fabric, and a third base fabric, the first base fabric, the second base fabric, and the third base fabric are laminated together in an arbitrary order, the first base fabric is a base fabric formed by spirally winding, in a right-handed manner, a band-shaped body having a width smaller than a width of the papermaking felt, the second base fabric is a base fabric formed by spirally winding, in a left-handed manner, a band-shaped body having a width smaller than the width of the papermaking felt, and the third base fabric is a base fabric having at least a plurality of ground warp yarns parallel to an machine direction of the papermaking felt.
Public/Granted literature
- US20170306560A1 PAPERMAKING FELT Public/Granted day:2017-10-26
Information query
IPC分类:
D | 纺织;造纸 |
D21 | 造纸;纤维素的生产 |
D21F | 造纸机;用以生产纸张的方法 |
D21F1/00 | 制造连续纸幅的纸机湿部 |