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1.发明授权
公开(公告)号：EP2796180B1
公开(公告)日：2017-04-05
申请号：EP12860820.5
申请日：2012-09-25
IPC分类号： B01D39/16 , D04H1/4374 , D04H1/4382 , D21H27/00 , F02M35/024 , B01D39/18
CPC分类号： F02M35/02458 , B01D39/16 , B01D39/163 , B01D39/18 , B01D2239/025 , B01D2239/065 , B01D2239/086 , B01D2239/10 , B01D2239/1233 , D04H1/4374 , D04H1/4382 , D21H27/08 , D21H27/30 , F02M35/024 , F02M35/02408 , F02M35/02441
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公开(公告)号：EP2865435B1
公开(公告)日：2018-04-04
申请号：EP13806451.4
申请日：2013-04-24
CPC分类号： F02M35/0245 , B01D39/1623 , B01D39/18 , B01D46/0023 , B01D46/521 , B01D2239/064 , B01D2239/065 , B01D2239/1208 , B01D2239/1233 , D21F11/04 , D21F11/14 , D21H11/02 , D21H13/24 , D21H15/02 , D21H21/52 , D21H27/08 , D21H27/30 , D21H27/38 , F02M35/02408
摘要： A first papermaking raw material for an upper layer and a second papermaking raw material for a lower layer are subjected to papermaking so as to form a filtering material with a continuous density gradient from the upper layer to the lower layer. Each of the papermaking raw materials contains natural fibers such as pulp and chemical fibers such as PET. The content of the chemical fibers in the first papermaking raw material is higher than the content of the chemical fibers in the second papermaking raw material. The diameter of the chemical fibers in the first papermaking raw material is larger than the diameter of the chemical fibers in the second papermaking raw material. The thus-obtained filtering material is able to collect a wide size range of particles and is made less susceptible to clogging and longer in life.
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公开(公告)号：EP2865435A1
公开(公告)日：2015-04-29
申请号：EP13806451.4
申请日：2013-04-24
CPC分类号： F02M35/0245 , B01D39/1623 , B01D39/18 , B01D46/0023 , B01D46/521 , B01D2239/064 , B01D2239/065 , B01D2239/1208 , B01D2239/1233 , D21F11/04 , D21F11/14 , D21H11/02 , D21H13/24 , D21H15/02 , D21H21/52 , D21H27/08 , D21H27/30 , D21H27/38 , F02M35/02408
摘要： A first papermaking raw material for an upper layer and a second papermaking raw material for a lower layer are subjected to papermaking so as to form a filtering material with a continuous density gradient from the upper layer to the lower layer. Each of the papermaking raw materials contains natural fibers such as pulp and chemical fibers such as PET. The content of the chemical fibers in the first papermaking raw material is higher than the content of the chemical fibers in the second papermaking raw material. The diameter of the chemical fibers in the first papermaking raw material is larger than the diameter of the chemical fibers in the second papermaking raw material. The thus-obtained filtering material is able to collect a wide size range of particles and is made less susceptible to clogging and longer in life.
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4.发明公开FILTRATION MATERIAL FOR FILTER, METHOD FOR MANUFACTURING SAME, AND FILTER 有权过滤器FÜR过滤器，HERSTELLUNGSVERFAHRENDAFÜ，过滤器VERWENDUNG
公开(公告)号：EP2796180A1
公开(公告)日：2014-10-29
申请号：EP12860820.5
申请日：2012-09-25
IPC分类号： B01D39/16 , D04H1/4374 , D04H1/4382 , D21H27/00 , F02M35/024
CPC分类号： F02M35/02458 , B01D39/16 , B01D39/163 , B01D39/18 , B01D2239/025 , B01D2239/065 , B01D2239/086 , B01D2239/10 , B01D2239/1233 , D04H1/4374 , D04H1/4382 , D21H27/08 , D21H27/30 , F02M35/024 , F02M35/02408 , F02M35/02441
摘要： Provided are a filter medium for a filter, which makes it possible to obtain a filter high in collection efficiency, low in pressure loss and long in filter lifetime, a method for producing the same, and a filter using the filter medium for a filter.
A filter medium for a filter, which is used as a constituent member of a filter and composed of a wet type nonwoven fabric, wherein the filter medium for a filter has a multilayer structure of two or more layers, and there is no interface between the above-mentioned two layers.摘要翻译： 提供了一种用于过滤器的过滤介质，其可以获得收集效率高，压力损失低，过滤器寿命长的过滤器，其制造方法和使用过滤器的过滤介质的过滤器。 一种过滤器用过滤介质，其用作过滤器的构成部件，由湿式无纺布构成，其中，过滤器用过滤介质具有两层以上的多层结构， 上述两层。
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