TEMPORARY VENTILATION DUCT AND CONNECTING METHOD USING THEREOF
According to an embodiment of the present invention, through a temporary ventilation duct and a connecting method using the same, when ventilation air is supplied, a second air leakage prevention film of a second duct is unfolded. Moreover, a first air leakage prevention film of a first duct is cove...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | According to an embodiment of the present invention, through a temporary ventilation duct and a connecting method using the same, when ventilation air is supplied, a second air leakage prevention film of a second duct is unfolded. Moreover, a first air leakage prevention film of a first duct is covered, and at the same time, the temporary ventilation duct adheres to the inside of the first duct to minimize an air leakage.
본 발명의 실시예에 따른 풍관 및 그것을 이용한 접속방법은, 환풍 공급시 제2 덕트의 제2 누풍방지막이 펴지게 되고, 제1 덕트의 제1 누풍방지막을 덮음과 동시에 제1 덕트 내부에 밀착되어 누풍을 최소화하는 것을 특징으로 한다. |
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