[특허]Friction welding process and filter formed thereby

Friction welding process and filter formed thereby 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-027/00
출원번호	US-0345783 (1989-05-01)
발명자 / 주소	Leason Hayden (Humacao PR) Cain Thomas A. (Woodstock IL) Boast Andrew J. (Fontana WI)
출원인 / 주소	Filtertek, Inc. (Hebron IL 02)
인용정보	피인용 횟수 : 38 인용 특허 : 0

초록 ▼

A process for producing hermetically sealed filters is disclosed. The process includes the steps of providing thermoplastic base and top filter parts and a section of filtration media, sandwiching the media between sections of the base and top filter parts under a compressive force, applying a rapidly repetitive force to at least one of the filter parts to cause movement between the parts and frictional welding of the parts, maintaining the compressive force after frictional welding to allow the melted portion of the parts to solidify and thereby form a fluid seal at the junction of the filter parts and at the junctions of the filtration media and each of the base and top filter parts. In one embodiment, the junction between the filter parts is the periphery of an automatic transmission filter, and the junction is hermetically sealed. A hermetically sealed automatic transmission filter is also disclosed.

대표청구항 ▼

A filter comprising: a) two thermoplastic housing parts each comprising cup-shaped top and base members and each having extended flange portions connected at their periphery to enclose a volume, the volume having an inlet and an outlet, the flanges each including an opposing projecting rib and at least one of the flanges including an interfering rib spaced from the opposing projecting rib and projecting toward the other flange; b) fibrous filtration media disposed within the volume between said inlet and said outlet; and c) a frictional weld joint formed between the interfering rib and the opposing surface of the said other flange hermetically sealing the periphery of the filter, said opposing projecting ribs sealingly capturing the edges of the filtration media so as to prevent fluid passing from the inlet through the volume from bypassing the media before exiting through the outlet.

이 특허를 인용한 특허 (38)

Fritz,Peter Joseph; Fry,Richard Louis, Abrasive articles, and methods of making and using the same.
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Ernst Volker,DEX ; Klotz Arthur,DEX, Air filter for the intake air of an internal-combustion engine.
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Jonathan R. Chittenden ; Jerry R. Reineking ; Todd R. Gerhardt, Air filter having integrated sealing orifice.
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Bivens Thomas H., Continuous filtering and treating device and method.
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Bivens Thomas H., Continuous filtering and treating device and method with external treating mechanism.
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Tadeusz Jaroszczyk ; Douglas K. Benham ; Scott P. Heckel ; Michael J. Connor ; Stephen L. Fallon ; Jeffrey S. Morgan ; Z. Gerald Liu, Direct flow filter.
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Bowerman Leonard E. (Abingdon VA) Chandler Jeffrey P. (Blountville TN) Hoekstra Peter (Bristol TN) Kowalski Michael J. (Bristol VA) Rogers Carla B. (Kingsport TN), Filter and accessory mount for upright vacuum cleaner exhaust port.
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Bowerman Leonard E. (Abingdon VA) Chandler Jeffrey P. (Blountville TN) Hoekstra Peter (Bristol TN) Kowalski Michael J. (Bristol VA) Rogers Carla B. (Kingsport TN), Filter and accessory mount for upright vacuum cleaner exhaust port.
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Bowerman Leonard E. ; Chandler Jeffrey P. ; Hoekstra Peter ; Rogers Carla B., Filter and accessory mount for upright vacuum cleaner exhaust port.
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Chiba Masatoshi,JPX, Filter and filter medium unit for use therein.
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Lee Brian Thomas, Filter element for oil pans and filter element/oil pan combination.
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McGaw, Jr.,Steven B., Filter manufacturing process using a combined welding and cutting step.
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Steven B. McGaw, Jr., Filter manufacturing process using a combined welding and cutting step.
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Bivens Thomas H. (P.O. Box 1250 Magnolia TX 77355-1250), Filtering and treating device.
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Stankowski Ralph J. (Westford MA), Filtration apparatus having stress relief groove.
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John W. Gizowski ; Markus Beer DE; J. Thomas Schriempf, Fluid filter manufacturing apparatus.
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Bryan, Deborah M.; Park, Christina S.; Bassett, Laurence W., Fluid interconnect.
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Hiroyuki Ishinaga JP; Kazuaki Masuda JP; Hajime Kaneko JP; Yuji Kamiyama JP, Ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge.
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Kobayashi, Hiroyuki, Liquid ejecting head and liquid ejecting apparatus having resin wrapped filter.
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Rosendahl,Marco; Beer,Markus, Metal oil pan with an integrated oil filter.
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Kehoe, Jon-David; Marcus, Brian Maurice, Method and apparatus for attachment of air cleaner housing.
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Dibble Floyd H. ; Soloff Robert S., Method for producing fabric covered panels.
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Dibble Floyd H. ; Soloff Robert S., Method for producing fabric covered panels.
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Oelscher, Michael, Method for the non-releasable connection of components or component regions and non-releasable connection.
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Gizowski John W. ; Beer Markus,DEX ; Schriempf J. Thomas, Method of laser welding transmission filter housing components.
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Memmer, Timothy L., Method of making a fluid filter, and filter which is a product thereof.
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Kerr, III, Norman C., Molded tonneau cover apparatus.
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Condrad,Keith, Multiple retainer bridge.
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Stausberg, Wolfgang; Dedering, Michael, Oil filter apparatus.
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Hueppchen, Claudia; Rohrmeier, Josef; Amesoeder, Dieter; Epli, Sven; Nicolas, Aude, Oil filter unit.
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Beer, Markus; Sahm, Dietmar; Stausberg, Wolfgang; Piehlk, Andreas; Jacob, Michael, Oil sump having oil filter.
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Gizowski John W. ; Gajda Glenn T. ; Morrison Daniel J. ; Macino Louis P. ; Geisler Joseph A., Orbital vibration welded filter.
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Vichinsky,Kevin; Miller,Stuart; Bounnakhom,Bruce, Plastic transmission filter.
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Bivens Thomas H., Portable filtration and treatment apparatus.
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Ruschke Rick R. (McHenry IL), Process for making hermetically sealed filter units.
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Pekarsky, Lev; Pratt, Robb D., Suction filter for automatic transmission fluid.
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Pekarsky, Lev; Kozar, John S., Suction filter media overmolded integrally with tray.
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John W. Gizowski ; Markus Beer DE; J. Thomas Schriempf, Transmission filter with laser welded housing components.
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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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Friction welding process and filter formed thereby 원문보기

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Friction welding process and filter formed thereby 원문보기

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이 특허를 인용한 특허 (38)

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