Outdoor export is from preventing drainage tuber pipe system

The utility model provides an in the tuber pipe hole that outdoor export is from preventing drainage tuber pipe system, including outside or wall body of rectangular air duct nipple joint, the indoortuber pipe nipple joint of rectangle and roofing tubular well, the rectangular air duct nipple joint...

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Bibliographic Details
Main Authors CHEN WEI, RAN PENG, LI ANRUN, WANG XIANGNAN, ZHAO BING, YUE LIXIA
Format Patent
LanguageChinese
English
Published 30.11.2018
Subjects
BUILDING
FIXED CONSTRUCTIONS
GUTTERS
ROOF COVERINGS
ROOF-WORKING TOOLS
SKY-LIGHTS
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Summary:The utility model provides an in the tuber pipe hole that outdoor export is from preventing drainage tuber pipe system, including outside or wall body of rectangular air duct nipple joint, the indoortuber pipe nipple joint of rectangle and roofing tubular well, the rectangular air duct nipple joint sets up at roofing tubular well outside or on the wall body to rectangular air duct nipple joint one end lies in outdoor, the other end and lies in indoorly, is equipped with the shutoff piece between rectangular air duct nipple joint and roofing tubular well or the outer wall body, the top surfaceof rectangular air duct nipple joint is for from outdoor to the indoor inclined plane that risees gradually, and the both ends of rectangular air duct nipple joint all are equipped with rectangle angle steel flange, and the rectangular air duct nipple joint is located indoor one end and the indoor tuber pipe nipple joint flange joint of rectangle, rectangle angle steel flange is formed by four angle splice joints. The uti
Bibliography:Application Number: CN20182518584U