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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0266177 (1972-06-26) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 61 인용 특허 : 0 |
An erosion control bag of dark-colored fabric for underwater use and light-colored for other use is disclosed having a porosity of 10 to 35 cubic feet per minute so that air and water may escape from the bag as water and a filler are pumped into the bag. The bag has a self-sealing opening so that it
An erosion control bag comprising a bag of dark-colored fabric having a length substantially greater than its width, and closed at both ends, said fabric having a porosity of 10 to 35 cubic feet per minute, means defining a nozzle opening spaced from the ends of the bag and through which a nozzle ma
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