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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0135673 (1993-10-13) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 173 인용 특허 : 0 |
A flow control device with an inlet for the flow of fluid and a movable member sealing the inlet and having a flexible body for controlling flow by the extent to which the flexible body of the movable member is buckled. The movable member extends between the inlet and an outlet and is expandable lat
The method of controlling fluid flow which comprises the steps of: (1) sealing an inlet by a flexible single-layer stopper that is swabbable across said inlet; and (2) controllably flexing said stopper to produce a fold in said layer and permit the flow of said fluid to an outlet.
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