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1. 发明专利

JP2010241047A Waterproof sound-transmitting film, and waterproof sound-transmitting member and electric appliance using the same 有权
标题翻译：防水透声膜，防水声发射构件及使用其的电器
公开(公告)号：JP2010241047A
公开(公告)日：2010-10-28
申请号：JP2009094274
申请日：2009-04-08
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI , ABE YUICHI
IPC分类号： B32B7/02 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To provide a waterproof sound-transmitting film which can provide high waterproof performance when being arranged on the part where a voice is transmitted such as an opening in a casing of an electric appliance provided with voice functions and can suppress the generation of sound distortion.
SOLUTION: The waterproof sound-transmitting film has at least two laminated and integrated stretched porous films, and directions of primary stretching of at least two films selected from at least two stretched porous films vertically intersect or obliquely intersect each other, viewing from the direction vertical to the principal plane of the film.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种防水透声膜，当布置在声音传输部分（例如设置有声音功能的电器的外壳中的开口）时可以提供高防水性能，并且可以抑制声音失真的产生。解决方案：防水透声膜具有至少两个层压和集成的拉伸多孔膜，并且至少两个选自至少两个延伸的多孔膜的膜的初步拉伸方向垂直相交或倾斜地相交，从垂直于胶片主平面的方向。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2008136908A Water-repellent air-permeable material 审中-公开
标题翻译：防水透气材料
公开(公告)号：JP2008136908A
公开(公告)日：2008-06-19
申请号：JP2006323803
申请日：2006-11-30
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： B01D71/36 , B01D39/16 , B32B5/32 , B32B27/30 , C08J9/36
摘要： PROBLEM TO BE SOLVED: To provide an air-permeable material having good oil repellency, water resistance and air permeability.
SOLUTION: The air-permeable material contains two polytetrafluoroethylene porous membranes of different average pore sizes, and the membrane of the larger average pore size alone is treated to impart oil repellency. Preferably, the membrane of the larger average pore size preferably has an average pore size of ≥1.0 μm, and that of the smaller average pore size has an average pore size of smaller than 1.0 μm.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有良好拒油性，耐水性和透气性的透气材料。解决方案：透气材料包含两个不同平均孔径的聚四氟乙烯多孔膜，仅对较大平均孔径的膜进行处理以赋予拒油性。优选平均孔径较大的膜的平均孔径优选为≥1.0μm，平均孔径较小的平均孔径小于1.0μm。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2006289174A Suction filter filtering medium and its using method 审中-公开
标题翻译：吸入式过滤器及其使用方法
公开(公告)号：JP2006289174A
公开(公告)日：2006-10-26
申请号：JP2005109564
申请日：2005-04-06
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： B01D71/36 , B01D39/16 , B01D69/10
摘要： PROBLEM TO BE SOLVED: To provide a suction filter filtering medium capable of exhibiting an excellent cleaning resistance characteristic, and its using method.
SOLUTION: The suction filter filtering medium 4 includes a polytetrafluoroethylene (PTFE) porous film 1; a gas-permeable protection film 3 arranged on on main surface side of the PTFE porous film; and a pre-filter film 2 arranged between the PTFE porous film and the gas-permeable protection film. In the suction filter filtering medium 4, the main surface of the gas-permeable protection film 3 is exposed, a fiber diameter of the gas-permeable protection film 3 is larger than 15 μm and a fiber diameter of the pre-filter film is in a range of 0.2 μm to 15 μm. Further, the suction filter filtering medium 4 is used such that the gas-permeable protection film is arranged in the most upstream side relative to a gas stream passing through the suction filter filtering medium.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够表现出优异的清洁电阻特性的吸滤器过滤介质及其使用方法。吸滤器过滤介质4包括聚四氟乙烯（PTFE）多孔膜1; 布置在PTFE多孔膜主表面上的透气保护膜3; 以及布置在PTFE多孔膜和透气保护膜之间的预过滤膜2。在吸滤器过滤介质4中，透气保护膜3的主表面露出，透气性保护膜3的纤维直径大于15μm，前置过滤膜的纤维直径为 0.2μm〜15μm的范围。此外，使用吸滤器过滤介质4，使得透气保护膜相对于通过吸滤过滤介质的气流排列在最上游侧。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005246233A Air filter medium for cleaner, and air filter unit for cleaner using the same 审中-公开
标题翻译：用于清洁器的空气过滤器介质和使用其的清洁器的空气过滤器单元
公开(公告)号：JP2005246233A
公开(公告)日：2005-09-15
申请号：JP2004060019
申请日：2004-03-04
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： A47L9/10 , B01D39/16 , B32B5/18 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To provide an air filter medium for a cleaner removing attached dust easily and repeatedly usable while keeping collection efficiency.
SOLUTION: A porous membrane layer 11 of two layers of polytetrafluoroethylene (PTFE) keeps damage caused by rubbing by a brush to the layers above support layers 12, by using the air filter medium 10 layered via the support layers 12, to avoid damage to the PTFE porous membrane of the layer lower than the support layer. Thus, lowering of the collection efficiency of the filter medium can be suppressed to easily remove attached dust, allowing repeated use of the filter medium while keeping the collection efficiency.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于除尘器的除尘器的空气过滤介质，容易且重复使用，同时保持收集效率。解决方案：两层聚四氟乙烯（PTFE）的多孔膜层11通过使用通过支撑层12层叠的空气过滤介质10，将刷子摩擦所造成的损伤保持在支撑层12上方的层上，以避免损伤层的PTFE多孔膜比支撑层低。因此，可以抑制过滤介质的收集效率的降低，容易地除去附着的灰尘，从而能够在保持收集效率的同时重复使用过滤介质。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2007075739A Filter unit and method for use of filter medium 审中-公开
标题翻译：过滤器和使用过滤介质的方法
公开(公告)号：JP2007075739A
公开(公告)日：2007-03-29
申请号：JP2005267213
申请日：2005-09-14
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： B01D39/16 , B01D46/52 , B01D63/14 , B01D69/10 , B01D71/36 , D04H1/728 , D04H3/16
摘要： PROBLEM TO BE SOLVED: To provide a filter unit with control of lowering of the capturing efficiency, especially lowering of the efficiency during pleating, controlled and a using method of filter media enabling control of the lowering of the efficiency. SOLUTION: The filter unit 11 has a filter medium 1 capturing particles contained in a to-be-filtrated gas and a supporting frame 12 supporting the filter medium 1. The filter medium 1 has a porous membrane 2 of polytetrafluoroethylene (PTFE), a fibrous filter medium 3 arranged so as to hold the PTFE membrane 2 between the filter medium 3 and a gas permeable supporting material 4. The fiber constituting the fibrous filter medium 3 has an average fiber diameter of 0.02-15 μm, and the gas permeable supporting material 4 is composed of a fiber of an average fiber diameter of larger than 15 μm. The filter medium 1 is supported with the supporting frame 12 so that the fibrous filter medium 3 lies in the downstream of the flow of the to-be-filtrated gas with respect to the PTFE membrane 2. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有降低捕获效率，特别是打褶时效率降低的控制的过滤器单元，以及能够控制效率降低的过滤介质的使用方法。过滤器单元11具有捕获被过滤气体中所含的颗粒的过滤介质1和支撑过滤介质1的支撑框架12.过滤介质1具有聚四氟乙烯（PTFE）的多孔膜2，布置成将PTFE膜2保持在过滤介质3和透气性支撑材料4之间的纤维状过滤介质3.构成纤维过滤介质3的纤维的平均纤维直径为0.02〜15μm，气体透气性支撑材料4由平均纤维直径大于15μm的纤维构成。过滤介质1被支撑框架12支撑，使得纤维过滤介质3位于待过滤气体相对于PTFE膜2的流动的下游。（C）2007 ，JPO＆INPIT

6. 发明专利

JP2006061808A Ventilation filter medium for masks 审中-公开
标题翻译：通风过滤介质
公开(公告)号：JP2006061808A
公开(公告)日：2006-03-09
申请号：JP2004246446
申请日：2004-08-26
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI , SUZUKI MICHITOSHI , KAWANO EIZO , NIIJIMA HIROKO
IPC分类号： B01D39/14 , A62B18/02 , B01D39/16 , B01D69/10 , B01D71/36
摘要： PROBLEM TO BE SOLVED: To provide a ventilation filter medium for masks suppressing an increase in pressure loss and enabling a use for a long term. SOLUTION: The ventilation filter medium for masks 10 is formed by stacking a polytetrafluoroethylene (PTFE) porous film 11, and an air-permeable support material 12 formed by fibers of ≥0.2 μm and ≤15 μm fiber dia. The filter medium 10 is so arranged for use that the air-permeable support material 12 may position at the upstream side of the air flow (arrow) from the PTFE porous film 11, by which the increase in pressure loss of the ventilation filter medium for masks 10 is suppressed to enable the use for a long term. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种用于抑制压力损失增加并能够长期使用的掩模用的通风过滤介质。解决方案：用于掩模10的通风过滤介质通过堆叠聚四氟乙烯（PTFE）多孔膜11和由≥0.2μm和≤15μm纤维直径的纤维形成的透气性支撑材料12而形成。过滤介质10被布置为使得透气性支撑材料12可以位于空气流的上游侧（箭头）处，从PTFE多孔膜11位置，通过该过滤介质10的通气过滤介质的压力损失的增加，掩模10被抑制以使得能够长期使用。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005288368A Dust collecting filter material for cleaner and dust collecting filter unit for cleaner using the same 审中-公开
标题翻译：用于清洁剂和除尘器的除尘器收集过滤器材料使用相同的清洁剂
公开(公告)号：JP2005288368A
公开(公告)日：2005-10-20
申请号：JP2004109171
申请日：2004-04-01
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： A47L9/10 , B01D39/14 , B01D39/16 , B01D71/36
摘要： PROBLEM TO BE SOLVED: To provide a dust collecting filter material for a cleaner which is capable of easily removing attached dust and can be utilized repeatedly while maintaining the quantity of air flow.
SOLUTION: The filter material 1 comprises a PTFE porous film 2, an air permeable substrate 4 and a net-like body 3. Therein, the net-like body 3 is arranged on at least one side surface of laminate containing the PTFE porous film 2 and the air permeable substrate 4 and at least one side surface of the filter material 1 is let to be rugged. When at least one side surface of the filter material 1 is rugged, dust including oil is hardly attached, even if the dust is attached, it can be easily eliminated and the degradation of air permeability can be prevented.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够容易地除去附着的灰尘并且可以在保持空气流量的同时可以重复使用的用于清洁器的集尘过滤材料。解决方案：过滤材料1包括PTFE多孔膜2，透气基底4和网状体3.其中，网状体3布置在包含PTFE的层压体的至少一个侧表面上使多孔膜2和透气性基材4和过滤材料1的至少一个侧面变得坚固。当过滤材料1的至少一个侧面凹凸不平时，即使附着有灰尘也难以附着含有油的灰尘，因此能够容易地除去，能够防止透气性的劣化。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2013227588A Polytetrafluoroethylene black porous membrane, and air permeable membrane, air permeable member and waterproof sound passing membrane using the same 有权
标题翻译：聚四氟乙烯黑色多孔膜，空气渗透膜，空气渗透性构件和防水透声膜
公开(公告)号：JP2013227588A
公开(公告)日：2013-11-07
申请号：JP2013152347
申请日：2013-07-23
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： ABE YUICHI , SAWA EI , TAKIISHI KIMIMASA
IPC分类号： C08J9/00 , B32B5/18 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To provide a black PTFE (polytetrafluoroethylene) porous membrane (PTFE black porous membrane) which is a polytetrafluoroethylene (PTFE) porous membrane colored black and color fading due to heat and/or light is suppressed more than that of the conventional colored PTFE porous membrane and having excellent color fading resistance.SOLUTION: A PTFE black porous membrane is colored black, is liquid-repellent treated and has ≤N2 achromatic lightness of a principal surface which is measured according to JIS Z8721 and 1-10 g/msurface density. The PTFE black porous membrane is suitable for an air permeable membrane capable of passing air while blocking water and/or dust, specifically, for example, a waterproof sound passing membrane, a waterproof air permeable membrane and a dust-proof air permeable membrane.
摘要翻译：要解决的问题：为了提供一种黑色PTFE（聚四氟乙烯）多孔膜（PTFE黑色多孔膜），它是聚四氟乙烯（PTFE）多孔膜，其着色为黑色，并且由于热和/或光而导致的褪色被抑制得比常规彩色PTFE多孔膜，具有优异的防褪色性。解决方案：PTFE黑色多孔膜着色为黑色，经疏液处理，具有根据JIS Z8721测量的主表面的≤N2消色差，1-10g / 表面密度。 PTFE黑色多孔膜适用于能够通过空气同时堵塞水和/或灰尘的透气膜，特别是防水透声膜，防水透气膜和防尘透气膜。

9. 发明专利

JP2008237949A Waterproof ventilation filter, waterproof ventilation member, and housing 有权
标题翻译：防水通风过滤器，防水通风用品和住房
公开(公告)号：JP2008237949A
公开(公告)日：2008-10-09
申请号：JP2007077773
申请日：2007-03-23
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： B01D39/16 , B01D69/12 , B01D71/36 , B32B5/32 , B32B27/30 , H05K5/06
摘要： PROBLEM TO BE SOLVED: To provide a waterproof ventilation filter which is excellent in ventilation, resistance to water pressure and strength.
SOLUTION: In the waterproof ventilation filter 4, a first polytetrafluoroethylene porous film 1 is laminated on one side of a base material 3 such as a nonwoven fabric, and a second polytetrafluoroethylene porous film 2 is laminated on the other side of the base material 3. In this case, the thickness and average pore size of the first polytetrafluoroethylene porous film 1 are larger than those of the second polytetrafluoroethylene porous film 2, respectively. Preferably, the thickness of the first polytetrafluoroethylene porous film 1 is at least 50 μm, and its average pore size is at least 1.0 μm, and the thickness of the second polytetrafluoroethylene porous film 2 is smaller than 50 μm, and its average pore size is smaller than 1.0 μm.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供通风性，耐水压性和强度优异的防水通风过滤器。解决方案：在防水通风过滤器4中，将第一聚四氟乙烯多孔膜1层叠在诸如无纺布的基材3的一侧上，并且在基材的另一侧层压第二聚四氟乙烯多孔膜2 在这种情况下，第一聚四氟乙烯多孔膜1的厚度和平均孔径分别大于第二聚四氟乙烯多孔膜2的厚度和平均孔径。优选地，第一聚四氟乙烯多孔膜1的厚度为至少50μm，平均孔径为至少1.0μm，第二聚四氟乙烯多孔膜2的厚度小于50μm，其平均孔径为小于1.0μm。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2007160275A Filter unit and its manufacturing method 审中-公开
标题翻译：过滤器及其制造方法
公开(公告)号：JP2007160275A
公开(公告)日：2007-06-28
申请号：JP2005363401
申请日：2005-12-16
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SAWA EI
IPC分类号： B01D39/16 , B01D39/00 , B01D46/52 , B01D46/54
摘要： PROBLEM TO BE SOLVED: To provide a filter unit which keeps a reduction in trapping efficiency due to pleating and using suppressed while having a polytetrafluoroethylene (PTFE)-based filter medium.
SOLUTION: The filter unit for trapping particles contained in air to be filtered is equipped with: a pleated filter medium with a laminate including a polytetrafluoroethylene porous membrane and a permeable supporting material; and a supporting frame for supporting the filter medium, wherein valley parts of folds in the filter medium are filled with a filler or crest parts of the folds of the medium are filled by thermal bolding.
COPYRIGHT: (C)2007,JPO&INPIT

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