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2. 发明公开

EP4223927A1 BELT 审中-实审
公开(公告)号：EP4223927A1
公开(公告)日：2023-08-09
申请号：EP22155154.2
申请日：2022-02-04
申请人： Valmet Technologies Oy
发明人： RIIHIOJA, Vesa-Matti
IPC分类号： D21F3/02
摘要： This invention relates to a method for manufacturing a belt for a paper, board, pulp or tissue machine, the belt (5) comprising a body (14), and a reinforcing structure (31, 32), the belt (5) having an inner surface (10) and an outer surface (11), wherein the method comprises: applying a coating comprising a solid lubricant on to a casting cylinder (18), drying the coating comprising the solid lubricant, thereby obtaining solid lubricant particles (29) on the casting cylinder (18), casting a body material (21) onto the casting cylinder (18) in order to form the body (14) on the solid lubricant particles, and providing the reinforcement structure (31, 32) into the belt, thereby obtaining the belt in which the solid lubricant particles forms at least part of the inner surface of the belt. This invention relates to an arrangement for manufacturing a belt for a paper, board, pulp or tissue machine. The invention further relates to a belt for a paper, board, pulp, or tissue machine.

3. 发明公开

EP4159917A1 BELT 审中-实审
公开(公告)号：EP4159917A1
公开(公告)日：2023-04-05
申请号：EP22195512.3
申请日：2022-09-14
申请人： Valmet Technologies Oy
发明人： RIIHIOJA, Vesa-Matti
IPC分类号： D21F3/02
摘要： This invention relates to a process for producing a body of a belt (10) for a paper, board, pulp or tissue machine, the body having an inner surface and an outer surface, the method comprising: producing a modified polyurethane by adding a polydialkylsiloxane having at least one functional group to a manufacturing process of a polyurethane in order to obtain the modified polyurethane, which modified polyurethane comprises a polyurethane matrix having a covalent bond with the polydialkylsiloxane, and forming the body of the belt, wherein the body comprises the modified polyurethane. The invention further relates to a belt (10) for a paper, board, pulp, or tissue machine. The invention further relates to a shoe press and a sleeve roll.

5. 发明授权

EP2847379B2 INDUSTRIAL FABRIC INCLUDING SPIRALLY WOUND MATERIAL STRIPS WITH REINFORCEMENT 有权
公开(公告)号：EP2847379B2
公开(公告)日：2022-03-02
申请号：EP13724690.6
申请日：2013-05-09
发明人： EAGLES, Dana , HANSEN, Robert , KARLSSON, Jonas
IPC分类号： D21F1/00 , D21F3/02 , D21F7/08

6. 发明公开

EP3875679A1 SHOE PRESS BELT AND METHOD FOR PRODUCING A SHOE PRESS BELT 审中-公开
公开(公告)号：EP3875679A1
公开(公告)日：2021-09-08
申请号：EP21156902.5
申请日：2021-02-12
申请人： Ichikawa Co., Ltd.
发明人： TAKAMORI, Yuya , MORINAGA, Manami
IPC分类号： D21F3/02
摘要： The object of the invention is to provide a shoe press belt which has an excellent strength while the variation in strength among its parts being suppressed, and to provide a method for producing such a shoe press belt.
Provided is a shoe press belt for use in a papermaking machine comprising at least one resin layer comprising polyurethane resin, wherein the polyurethane resin comprises as a component a polycarbonate diol comprising one or more unit(s) A expressed by the following formula (1) (wherein R 1 is a branched alkylene group having 3 or more and 20 or less of carbon atoms):

7. 发明公开

EP3762540A1 SCHUHWALZENSYSTEM UND VERFAHREN ZUR ÜBERWACHUNG DER DICHTHEIT EINER SCHUHWALZE 审中-实审
公开(公告)号：EP3762540A1
公开(公告)日：2021-01-13
申请号：EP19707733.2
申请日：2019-02-20
申请人： Voith Patent GmbH
发明人： OTT, Frank-Jochen , KLOTZBÜCHER, Wolfgang
IPC分类号： D21F3/02 , D21G1/00

8. 发明公开

EP3739114A1 EFFICIENT PRODUCTION OF A CONTAINERBOARD TO BE USED AS FLUTING 有权
公开(公告)号：EP3739114A1
公开(公告)日：2020-11-18
申请号：EP19174469.7
申请日：2019-05-14
申请人： BillerudKorsnäs AB
发明人： NORDSTRÖM, Fredrik , KULLANDER, Johan , KARPATHAKIS, Mikael
IPC分类号： D21F3/02 , D21F11/00 , D21H11/02 , B65D65/40
摘要： There is provided a method of producing a containerboard having a geometric SCT index of 37.0-42.0 Nm/g when measured according to ISO 9895:2008, comprising the steps of:
- providing a pulp having a Schopper-Riegler (SR) value of 15-19 when measured according to ISO 5267-1:1999, wherein at least 70% by dry weight of the pulp is NSSC pulp;
- forming a web from the pulp;
- pressing the web in a press section comprising a shoe press, wherein the shoe press comprises a shoe press belt having discontinuous grooves and the line load in the shoe press is in the range of 1400-2000 kN/m;
- drying the web from the press section in a drying section to obtain said containerboard.

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