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Vacuum holder for billboard on building faade has central vacuum pump connected to billboard retaining suction feet by ducts
Vacuum holder for billboard on building faade has central vacuum pump connected to billboard retaining suction feet by ducts
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机译:建筑立面上的广告牌真空支架具有连接到广告牌的中央真空泵,通过管道保持吸脚
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摘要
The vacuum holder for a billboard on a building uses a central vacuum pump with a divider which can be placed independently of the pump. The divider can be connected by ducts to suction feet (3). A monitor controls the vacuum pump depending on the vacuum conditions detected in the suction feet and ducts.
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