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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0185130 (1994-01-24) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 34 인용 특허 : 0 |
A manway is defined by a cylindrical portion of a vessel wall and is closed by a cover pivotally movable between open and closed positions by means of a hinge mechanism including external brackets on the cover and the wall portion interconnected by a hinge pin. The opposite ends of the hinge pin car
A balancing mechanism for a cover for a manway defined by a portion of a pressurized vessel wall, wherein the cover is pivotally mounted for movement between open and closed positions relative to the manway by externally mounted hinge structure which includes a hinge pin coupling external first and
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