[특허]Disposable drain strainer

[미국특허] Disposable drain strainer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E03C-001/26
출원번호	US-0831079 (1977-09-06)
발명자 / 주소	Sharland Stanley G. (12322 Quartz Pl. CA CA 92643) Mecca Angelo R. (956 Senate St. Costa Mesa CA 92627) Masson Robert R. (Box 241 Yorba Linda CA 92686)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

A drain strainer that includes a vacuum cup defining a ring-shaped base that has an inverted generally conical first shell projecting upwardly therefrom, which shell has a number of circumferentially and vertically spaced first drain openings therein that are of substantial area. Due to the vacuum cups forming a part thereof, the base may be removably secured to the bottom of a sink to encircle the drain discharge formed in the latter. The external surface of the shell and the upper surface of the base merge into a downwardly and inwardly extending ring-shaped area in which stringy material such as hair, and the like, will accumulate rather than passing through the first drain openings. When it is desired to restrict the size of solid particles passing to the discharge opening, a second generally conical shell formed from metal foil, or the like, overlies the first shell, with the second shell having a number of spaced second drain openings formed therein that are radially aligned with the first drain openings but are of substantially smaller area. The second shell is removably supported on the first shell, and this second shell is so inexpensive that it may be discarded when it becomes clogged with foreign material. A punch and forming die is provided that permits the second shell to be formed from a circular blank of a metal foil, such as aluminum, or the like. However, should it be desired, the second shells may be preformed, and removably secured to the first shell when the occasion so requires.

대표청구항 ▼

In combination with a strainer capable of being removably mounted above a drain opening in the generally flat bottom of a sink, said strainer being of the type that includes a ring-shaped web that overlies the portion of said bottom adjacent said drain opening, a plurality of vacuum cups on said web that removably hold said web on said portion of said bottom, a generally conical first shell that extends upwardly, from an inner periphery of said ring-shaped web, and said shell having a plurality of circumferentially and vertically spaced first openings therein that prevent solid particles of greater size than said first openings moving therethrough to said drain opening, a device for further limiting the size of said solid particles that can pass through said strainer to said drain opening and one that will not clog by hair and stringy material, said device including: a. a punch and forming die formed from a rigid body having a cavity formed therein that conforms to the external surface of said first shell, and a number of circumferentially and vertically spaced teeth projecting inwardly from said cavity; b. a generally conical second shell formed by pressing said punch and forming die downwardly onto a metal foil blank disposed over said first shell, said second shell matingly engaging said first shell in removable securement thereto during an operational phase of said strainer combination when said punch and forming die has been removed, said second shell also having a plurality of second openings formed therein by said inwardly projecting teeth on said die, said openings being aligned with said first openings but are of substantially smaller area, said second shell including a flange member extending radially outward from a lower surface of said second shell; and c. first means for removably securing said second shell in place on said first shell, said first means being located in removable contact with said conical second shell for providing varying flow area through said strainer, said first means for removably securing said second shell including a resilient retaining ring member insertable over said second shell for engagement with said second shell flange member.

이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

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Worth, Thomas; Mangrum, Mark; Forrest, Paul Bradley; Nifong, Justin R., Device for use with floor drains.
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Vidal Stella M. (175 SW. 14th St. ; Apt. 3 Miami FL 33130), Drain filter having filamentary surface irregularities to entangle hair and debris.
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Forrest, Paul Bradley; Epstein, James, Drain insert.
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Escobar, Juan; Phipps, Troy; Kiechel, John; Katz, Paul, Flexible sink strainer.
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Escobar, Juan; Phipps, Troy; Kiechel, John; Katz, Paul, Flexible sink strainer.
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Byron, David J.; Schutte, Joseph, Pedestal strainer for a sink drain.
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Paar Peter Fedorvich, Raised strainer.
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Robinson,Donnell, Rooftop drainage device.
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Lindfield, John Sidney, Safety device.
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Nicholas John J., Safety device for swimming pools.
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Mullings, Paul M., Safety drain guard for swimming pools and spas.
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Paul M. Mullings, Safety drain guard for swimming pools and spas.
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Martin Tracy CA, Sink basket strainer.
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Wicke Charles A. (Racine WI), Sink drain guard.
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Noel, Huguens, Sink strainer.
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Scamuffa, Nicholas, Waste strainer.
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Muderlak, Todd J.; Muderlak, Kenneth J., Water conservation fixture system and method of use.
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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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