[특허]Disposable filter apparatus

[미국특허] Disposable filter apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-023/04 B65D-029/04
출원번호	US-0557499 (1975-03-12)
발명자 / 주소	Otzen Karl G. (Brookfield WI)
출원인 / 주소	Safety-Kleen Corporation (Elgin IL 02)
인용정보	피인용 횟수 : 21 인용 특허 : 0

초록 ▼

A disposable filter unit for use with a parts washer or the like. The filter consists of a body in the general form of a bag, made from a softenable but substantially solvent-impermeable thermoplastic material having a neck portion attached to a mounting collar. The mounting collar is a stiff but resilient element suitable for being positioned and retained within the drain opening of the parts washer, being constantly held in place by a cup or screen. The filter body has large by-pass openings in the neck, smaller openings in the upper body portion and still smaller openings in the lowermost portion. The filter acts by trapping sharp-edged or jagged particles such as slivers and filings, both on the interior surface of the bag and within the openings. Entrapment of the filtered material effectively creates a finer mesh filter, and the graduated opening sizes provide a combination filtration and settling action.

대표청구항 ▼

A parts washer apparatus comprising in combination a receptacle for receiving a solvent and having means therein for accommodating the parts to be washed and a reservoir for containing a quantity of the solvent, means for circulating the solvent from said reservoir to said receptacle, said receptacle having an opening providing communication for passage of said solvent between said receptacle and said reservoir, and a filter unit disposed within said opening, said filter unit including a collar element in the form of a ring substantially rigid material for locating said filter unit within said opening, and a filter bag portion formed of an impermeable and softenable plastic material, said filter bag having a neck portion secured to said collar element and enlarged upper and lower body portions depending therefrom, said neck portion having solvent by-pass openings therein and said upper and lower body portion having openings therein which are of smaller size than said solvent by-pass openings, said filter bag having openings of the smallest size in said lower body portion which openings are sufficiently small to retain in said bag very fine particles of solid material which are suspended in said solvent, said openings in said upper body portion being of size sufficient to retain in said bag larger particles of said material which are carried by said solvent, said openings being adapted to be reduced in size by particles of said solid material lodging therein, whereby to provide a further effective subdivision of said openings by said particles of material so that said filter mesh size is effectively reduced as filtered particles are trapped therein, and the rate of solvent passage through the lower body of said filter is reduced sufficiently to enable said filter to separate said material by sedimentation.

이 특허를 인용한 특허 (21) 인용/피인용 타임라인 분석

Rhodes, Laurence M., Cleaning machine.
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Hudson, Andrew S; Mihlbauer, Brad L.; Lutz, Thomas Robert, Composite sock filter for aquariums.
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Clements, Richard L., Disposable bag and fastener for a parts washer.
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Johnson Ronald B., Disposable waste collector.
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Dries, John Edward, Fluid circulation system for dishwasher appliances.
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Morris, Samuel J; Zamora Morris, Glenna V, Fluid lubricant and material shavings recapture system for a cutting operation.
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Porter, Brian E.; Endres, Michael; Bond, Geoffrey M.; Thelin, Theodore J.; Publ, Rudy; Spaziani, Sean; Richert, Alex; Meisinger, Don, Multipurpose aqueous parts washer.
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Publ, Rudy, Multipurpose aqueous parts washer.
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Metzger ; Herman U., Parts washer.
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Charles Thomas Magliocca, Parts washing method with centrifugal filter.
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James C. McClure ; Thomas W. McNally ; Francis A. Marks ; J. Leland Strange, Parts washing system.
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James C. McClure ; Thomas W. McNally ; J. Leland Strange, Parts washing system.
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Marks Francis A., Parts washing system.
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McClure James C. ; McNally Thomas W. ; Marks Francis A. ; Strange J. Leland, Parts washing system.
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McClure James C. ; Strange J. Leland ; McNally Thomas W. ; Marks Francis A., Parts washing system.
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McClure, James C.; Strange, J. Leland, Parts washing system.
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Strange J. Leland, Parts washing system.
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Magliocca Charles T., Portable parts washing apparatus with centrifugal filter.
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Magliocca Charles T., Portable parts washing apparatus with centrifugal filter.
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Maanum, Thomas C. James; Johnson, Thomas; Hess, Anthony Palmer, Wash-out container.
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Cini Charles,CAX, Waste water grease filter.
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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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[미국특허] Disposable filter apparatus 원문보기