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1. 发明专利

JP2002001029A FILTER, ITS PREPARATION METHOD, AND GAS FILTER 失效
公开(公告)号：JP2002001029A
公开(公告)日：2002-01-08
申请号：JP2000193659
申请日：2000-06-28
申请人： NITTO KOGYO KK
发明人： NAMITA YASUO
IPC分类号： F23J15/00 , B01D39/20
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive filter having heat resistance, which is usable for the high temperature filtration of an exhaust gas, and the like, from an incinerator. SOLUTION: The method for preparing a filter, a filter prepared by this method, and a gas filter having the same comprises fitting a frame body to a heat-resistant filter medium by the molding using molding materials and conducting a carbonization treatment of the frame body.

2. 发明专利

JP2001300235A FILTER, METHOD FOR MANUFACTURING THE SAME, AND AIR FILTER 失效
公开(公告)号：JP2001300235A
公开(公告)日：2001-10-30
申请号：JP2000120276
申请日：2000-04-21
申请人： NITTO KOGYO KK
发明人： NAMITA YASUO
IPC分类号： B01D46/52
摘要： PROBLEM TO BE SOLVED: To provide a filter for gas permeation, that is easy to discard, is capable of utilizing a reclaimed material and has large degree of freedom for selecting the rigidity of a flange part, a method for manufacturing the same and an air filter. SOLUTION: The filter of which the fold of a waved filtration part and its side are formed of a same material, and the flange part of which is formed of a different material is provide. The method for manufacturing the filter is characterized by closing the side of the fold by fusing by heat/pressure pressing a waved sheet to form a waved bag, and after that, fusing a sheet having the inside cut-out, which comprises an adhesive substrate, with the waved bag and simultaneously forming the flange part. The air filter internally loaded with the above filter is also provided.

3. 发明专利

JP2001038119A FILTER MEDIUM AND FILTER 失效
公开(公告)号：JP2001038119A
公开(公告)日：2001-02-13
申请号：JP21938999
申请日：1999-08-03
申请人： NITTO KOGYO KK
发明人： NAMITA YASUO
IPC分类号： B01D39/16 , B01D35/02 , B01D39/14
摘要： PROBLEM TO BE SOLVED: To obtain filter media and filter which have filtration performance in comparison with that of filter paper by ordinary sheet making and are easily and inexpensively producible to arbitrary shapes by thermally molding material for the filter media containing adhesive fiber processing materials having adhesives on the surfaces of fibers or threads. SOLUTION: A filter body 2 having cylindrical filter media 2b on a peripheral side of a central cylindrical body 2a having water permeability is arranged into a case member 1 of a blind cylindrical shape via a leaf spring 3 at its bottom. Also, a recessed groove of a tubular body 4 for a valve having a tray- like valve disk 4a consisting of a flexible material is brought into abutment on the top end of the central cylindrical body 2a. Further, a ceiling plate member 5 having a threaded hole 5a communicating with the central cylindrical body 2a and a circumferential through-hole 6b is brought into abutment on the inside surface at the upper end of the tubular body 4 for the valve. As a result, a cartridge oil filter 7 inserted with the filter body 2 in a metallic case 6 is constituted. At this time, the cylindrical filter media 2a are formed by thermal molding of the material containing the adhesive fiber processing materials having the adhesives on the surfaces of fibers, etc.

4. 发明专利

JP2000210507A OIL TREATING FILTER 失效
公开(公告)号：JP2000210507A
公开(公告)日：2000-08-02
申请号：JP14415699
申请日：1999-05-25
申请人： NITTO KOGYO KK , HASHIMOTO SEIMITSU KOGYO KK
发明人： HASHIMOTO ASAO , YAMAMOTO KOICHI , NAMITA YASUO
IPC分类号： B01D27/10 , B01D27/08 , B01D35/02 , B01D35/147
摘要： PROBLEM TO BE SOLVED: To decrease the number of part, items making light-weighted, improval of handling, and reduction of a manufacturing cost and an assembling cost by a method wherein a spring component and a relief valve are integrated into one body, a part of the spring component is used as a valve seat, and a valve disc is formed by a leaf spring or it is used by being combined with a flat spring. SOLUTION: A relief valve 5 with a filter retaining leaf wherein a filter- retaining leaf spring 5a and a relief valve main body 6 are integrated into one body, is used for a case main body 1 before mounting a mounting plate 1a. Further, a filter 2 is equipped onto one end side of a cylinder body 3a of a support member 3, an end edge of a cylindrical body 3a and a plate 3c are contained, and a valve element 7 is fitted onto the other end side of the cylindrical body 3a. Furthermore, that wherein the mounting plate 1b is integrated with a blocking plate 1e is inserted into a mounting hole of the valve element 7, the mounting plate 1b is mounted onto a peripheral edge of an opening part of the case 1, and the filter 2 is contained in the case 1 and pinched between the filter-retaining leaf spring 5a and the blocking plate 1e.

5. 发明专利

JP2000140519A TUBULAR BODY WITH HOLE, ITS MANUFACTURE AND MANUFACTURING MACHINE THEREFOR 失效
公开(公告)号：JP2000140519A
公开(公告)日：2000-05-23
申请号：JP34117498
申请日：1998-11-16
申请人： NITTO KOGYO KK , KYORITSU SEISAKUSHO
发明人： NAMITA YASUO , SAKAMOTO NOBORU , UEHARA SHOICHIRO
IPC分类号： B01D29/07 , B01D27/00 , B01D35/02 , F01M11/03
摘要： PROBLEM TO BE SOLVED: To enable the discarding and incinerating disposal of a non-metallic sheet material with plural punched through holes to be easily performed by joining the ends of the sheet material, when a tubular body with holes for supporting the filter paper or the like of a filter element, in an oil treatment filter or the like used in an automobile. SOLUTION: First, a non-metallic sheet material 21 prepared is perforated by punching and a part of both end parts of the sheet material 21 is bent inwardly as an end part bending process. Next, the intermediate part bending process is performed to form the intermediate part into a recess shape. After that, one bent end or one unbent end of both end parts is bent inwardly to be fixed as a one-end part fixing process. Further, the other end is bent and lapped on the one end and fixed together as an other-end part lapping/fixing process. Finally, the end parts of the lapped part are joined to obtain a complete tubular body with holes 30. The non-metallic sheet material 21 to be used is a sheet material made of a paper material, a mixed paper or the like. When the upper is made, it is impregnated with a curable resin or this resin is applied to the paper, according to necessity.

6. 发明专利

JPH115081A POLLUTANT SEPARATING DEVICE FOR SEWAGE 失效
公开(公告)号：JPH115081A
公开(公告)日：1999-01-12
申请号：JP32394797
申请日：1997-11-11
申请人： NITTO KOGYO KK
发明人： NAMITA YASUO
IPC分类号： B01D15/00 , C02F1/28
摘要： PROBLEM TO BE SOLVED: To obtain a pollutant separating device for sewage which substantially prevents the occurrence of the deterioration in performance by clogging and is usable for a long period of time by providing the pollutant separating device for separating the pollutant in the sewage with a packing material assemblage layer which suspends and assembles the non-settling packing materials. SOLUTION: The sewage is introduced from an introducing pipe 3 and the packing materials 8... housed in a treating vessel 2 are suspended as the sewage is housed therein to form the packing material assemblage layer 9. The water is passed through this layer. The sewage, then, ascends by passing the spacing and gaps of the packing materials 8 and the pollutants come into collision against the packing materials 8 during the course of this ascending, by which the passage thereof is prohibited. The filtered sewage is drained from a discharge pipe 4 via a separating body 4a. The particles of the pollutants prohibited of the passage settle gradually downward and accumulated on the bottom in the final. At this time, the discharge pipe 4 rises at the outer part of a takeout part from its inflow part. When this rising position is set at the same position as the position of a water surface, the taking out of the more treated water of the water surface is made possible.

7. 发明专利

JPH09164312A WATER TREATING FILTER 失效
公开(公告)号：JPH09164312A
公开(公告)日：1997-06-24
申请号：JP34750695
申请日：1995-12-18
申请人： NITTO KOGYO KK
发明人： NAMITA YASUO
IPC分类号： A01K63/04 , B01D35/027 , B01D39/14 , C02F1/58
摘要： PROBLEM TO BE SOLVED: To provide a water treating filter for effectively removing odorous components produced in used water in a fish tank, particularly ammonia, by incorporating a deodorant in a porous base material of a formed body made of a porous material. SOLUTION: In a water treating filter for purifying water in a fish tank or the like for keeping goldfish, tropical fish and the like, a deodorant and a deodorant holding additive for at least holding this deodorant are incorporated in a porous base material of a formed body made of porous material. As this deodorant, an iron compound based deodorizing catalyst is used. The porous material is not particularly limited as far as it is porous, and for example, nonwoven fabric, woven fabric, knit fabric, paper made, metal nets, porous ceramics and the like are exemplified. The porous base material is formed into, for example, a flat platy, a cylindrical, a tubular, a lumpy filler or the like.

8. 发明专利

JP2003149149A PORTABLE LIQUID CONTAMINATION MEASURING DEVICE, PORTABLE IN-LIQUID DIFFUSION CONCENTRATION MEASURING DEVICE, AND METHOD USING THE SAME 审中-公开
公开(公告)号：JP2003149149A
公开(公告)日：2003-05-21
申请号：JP2001351327
申请日：2001-11-16
申请人： IDEMITSU KOSAN CO , NITTO KOGYO KK
发明人： FUJIKAKE SHINYA , KIDO MASAHIKO , NAMITA YASUO
IPC分类号： G01N33/30 , G01N21/59
摘要： PROBLEM TO BE SOLVED: To provide portable measuring devices enabling visual evaluation of contamination by comparing contaminated automobile engine oil with a reference liquid and also enabling the quantification of the contamination. SOLUTION: The units constituting the devices are accommodated in a casing, which are a reference liquid sampling unit; a specimen liquid sampling unit; a specimen liquid transmitting light generating unit consisting of a chain of a light source, an optical fiber, a specimen liquid, and an optical fiber; a signal generating unit for detecting and displaying the quantity of transmitted light; and a suction means for introducing the specimen liquid into the specimen liquid sampling unit. A display unit is provided on the surface of the casing for exhibiting the specimen liquid contamination level or the diffused substance concentration level according to signals from the signal generating unit. The reference liquid sampling unit and the specimen liquid sampling unit are seen through from outside the casing for enabling the visual observation of the reference liquid and the specimen liquid.

9. 发明专利

JP2002126422A FILTER MEDIA FOR FILTER, FILTER, MANUFACTURING METHOD THEREOF AND AIR FILTER 失效
公开(公告)号：JP2002126422A
公开(公告)日：2002-05-08
申请号：JP2000326335
申请日：2000-10-26
申请人： NITTO KOGYO KK , FUJIKO KK
发明人： NAMITA YASUO , SATO TETSUO
IPC分类号： B01D39/14 , B01D46/52
摘要： PROBLEM TO BE SOLVED: To provide inexpensive filter media for filter having excellent filtration performance and molding workability, a filter using the same and an air filter incorporating the filter. SOLUTION: The filter media for filter are formed by laminating a base material layer formable into a prescribed shape and capable of keeping the shape and a layer of fiber assemblage capable of being formed on nonwoven fabric by a needle punch method. The filter uses the filter media. The air filter uses the filter. The filter is manufactured by forming the filter part and a flange part of different materials.

10. 发明专利

JPH11197650A METHOD OF AND APPARATUS FOR SEPARATING ORGANIC COMPOUND IN INORGANIC SALTCONTAINING ORGANIC COMPOUND 失效
公开(公告)号：JPH11197650A
公开(公告)日：1999-07-27
申请号：JP1642998
申请日：1998-01-13
申请人： NITTO KOGYO KK
发明人： NAMITA YASUO
IPC分类号： A23L27/50 , B01D17/035 , B03B7/00 , B03D1/02 , B09B5/00 , C02F1/24 , C12N1/00
摘要： PROBLEM TO BE SOLVED: To separate an org. compd. from an inorg. salt-containing org. compd. such as a salt-containing fermented material or the like such as strained lees of soy or the like in a salt-free state. SOLUTION: A soln. to be treated of an inorg. salt-containing org. compd. is housed in a treatment tank 1 and froth (a) is generated in the soln. to be treated and an org. compd. is separated from inorg. salts by this froth. Therefore, useful components can be effectively utilized and salt-containing waste is separated into a salt component and org. matters to be made easy to discard.

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