GRC furred ceiling vent keeps off web frame

• Main Authors: ZHANG XIUTAO, YANG ZHONGYONG, DU YANFEI, JIAO JINLIANG, GUO LING, XU YAZHI, CHAI BIN, WEI ZHONGQI, LI RUIQING, WANG BO, MEI HONGSHENG, LI NING, YUE DAN, ZENG ZHAOBO, BIE TONGTING, WU LONGHE, FENG YUAN, JIN SHAOHUA, YANG QING, GU WENHUA
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2017
• Subjects: BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; WALLS, e.g. PARTITIONS

The utility model provides a GRC furred ceiling vent keeps off web frame, it includes be fixed in the main joist and the secondary joist of building furred ceiling department, this main joist of and secondary joist mutually perpendicular, this building furred ceiling is equipped with vertical jib, this jib wear to locate on this main joist and this jib the upper and lower surface department of this main joist all the cover be equipped with fixation nut, this main joist is equipped with the connecting piece that the cross -section is the U type, fixed this secondary joist that is equipped with in this connecting piece bottom, this secondary joist bottom is through the fixed GRC furred ceiling board that is equipped with of pull rod, this furred ceiling board is equipped with the breach of rectangle, and the main joist of this breach top is equipped with the fracture, forms the rectangle space that corresponds with this breach, this rectangle space is equipped with the wind gap, and the main joist side that thi