PNEUMATIC CONCRETE GUN

摘要

FIELD: construction, applicable for application of a layer concrete onto treated surface by means of compressed air. SUBSTANCE: the shaped cover of the vibrating bin of the pneumatic concrete bin accommodates two alternately operating loading chambers with closing valves. The lower discharge openings of the chambers get alternately closed by a butterfly valve. EFFECT: complete continuous loading of vibrating bin during operation, simplified design. 1 dwg