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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0053136 (1987-05-21) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A damper mechanism of the slide gate type includes two curved seal segments positioned in back-to-back abutting relation to function as the primary flue seal. A seal door when closed extends between the upper ends of the seal segments and applies compression to the spaced appart ends to form, in com
A damper mechanism comprising: (a) first and second curved seal segments of resilient material positioned in opposing back-to-back relationship; (b) a slide gate adapted for sliding insertion between, and withdrawal from between, said curved seal segments; (c) a seal door pivotally mounted adjacent
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