[특허]Production method of honeycomb filter and honeycomb filter

Production method of honeycomb filter and honeycomb filter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-024/00
출원번호	US-0722537 (2005-12-22)
등록번호	US7892309 (2011-02-08)
우선권정보	JP-2004-004-371959(2004-12-22)
국제출원번호	PCT/JP2005/023684 (2005-12-22)
§371/§102 date	20070622 (20070622)
국제공개번호	WO06/068256 (2006-06-29)
발명자 / 주소	Okazaki, Shunji Otsubo, Yasuhiko Tokumaru, Shinya Suwabe, Hirohisa Ishizawa, Toshitaka
출원인 / 주소	Hitachi Metals, Ltd.
대리인 / 주소	Sughrue Mion, PLLC
인용정보	피인용 횟수 : 2 인용 특허 : 16

초록 ▼

A method for producing a honeycomb filter from a honeycomb structure having large numbers of flow paths partitioned by cell walls, comprising inserting a tubular member into each of the flow paths, and injecting a plugging material into each of the flow paths from the tubular member to form a plug in each of the flow paths at a position separate from the end surface of the honeycomb structure, the tubular member having an outer diameter that is 40-90% of the opening size of the flow path, the plugging material comprising at least a ceramic material having a maximum particle size that is 85% or less of the inner diameter of the tubular member, and an average particle size of 1 μm or more.

대표청구항 ▼

What is claimed is: 1. A method for producing a honeycomb filter from a honeycomb structure having large numbers of flow paths partitioned by cell walls, comprising inserting a tubular member into each of said flow paths, and injecting a plugging material into each of said flow paths from said tubular member to form a plug in each of said flow paths at a position separate from an end surface of said honeycomb structure, said tubular member having an outer diameter that is 40-90% of the opening size of said flow paths, said plugging material comprising at least a ceramic material having a maximum particle size that is 85% or less of the inner diameter of said tubular member, and an average particle size of 1 μm or more, wherein after said plugging material is injected, the end surface of the honeycomb structure, through which said tubular member is inserted, is removed by machining.

이 특허에 인용된 특허 (16)

Noky Werner (Mainz-Gonsenheim DEX), Apparatus for producing a filter in the form of a monolithic honeycomb body.
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Nishi, Hideaki; Ito, Eiji; Kondo, Yoshimasa, Ceramic body producing method.
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Suwabe,Hirohisa; Takakura,Takashi; Makita,Satoshi; Funabashi,Hiroshi, Ceramic honeycomb filter and exhaust gas-cleaning method.
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Yamada,Toshio; Hatano,Tatsuhiko, Ceramic honeycomb structure and method of manufacturing the same.
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Pitcher ; Jr. Wayne H. (Big Flats NY), Diesel particulate trap.
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Badeau, Kurt M. A.; Haberkamp, William C., Dual section exhaust aftertreatment filter and method.
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Abthoff Joerg (Pluederhausen DEX) Schuster Hans-Dieter (Schorndorf DEX) Loose Gunter (Remseck DEX) Jokl Bernhard (Neuhausen DEX), Exhaust gas filter for diesel engines.
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Oyobe Kazuo (Ohbu JPX) Nomura Etsuji (Ichinomiya JPX) Matsui Kazuma (Toyohashi JPX) Fukutani Masanori (Nagoya JPX) Ito Kazuyuki (Nishio JPX) Miwa Naoto (Tsushima JPX) Ito Keiji (Kariya JPX), Fitter apparatus for purifying exhaust gases.
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Bagley Rodney D. (Big Flats NY) Lipp G. Daniel (Painted Post NY), Heated cellular structures.
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Montierth Max R. (Elmira NY), High capacity solid particulate filter apparatus.
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Pitcher ; Jr. Wayne H. (Big Flats NY), Honeycomb filter and method of making it.
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Ichikawa,Yukihito, Honeycomb structure, method of manufacturing the same, and discharge fluid purification system.
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Yamada,Toshio; Noguchi,Yasushi, Method for plugging a cell of a honeycomb structure and method for manufacturing a honeycomb plugged structure.
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Allen, Bruce P.; Foster, Richard A.; MacLaren, Wade E., Method for plugging selected cells in a honeycomb.
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Frost Rodney I. (Corning NY) Paisley Robert J. (Corning NY), Method for selectively charging honeycomb structures.
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Nishimura Koji,JPX ; Imamura Yasuo,JPX, Process for sealing an end face of a ceramic honeycomb structure.
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이 특허를 인용한 특허 (2)

Okazaki, Shunji, Method for producing ceramic honeycomb structure.
상세보기
Beall, Douglas Munroe; Heibel, Achim Karl-Erich; Tandon, Pushkar, Particulate filters and methods of filtering particulate matter.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Production method of honeycomb filter and honeycomb filter 원문보기