DREDGING PLANT WITH COMPRESSED AIR PUMP AND DIGGING SHOVEL FOR DREDGING MUDDY AND SANDY SOUNDINGS, EVEN OF A COMPACT TEXTURE

摘要

1,242,329. Dredging. G. FALDI. 13 June, 1969 [17 June, 1968], No. 30023/69. Heading E1F. A dredging plant comprises a submerged pump 5 having more than one pump chamber connected via piping 4 and distributor 3 to a source 6 of compressed air, and a shovel 7 connected by elbow tubes 10 to the inlets of the pump chamber. The shovel is toothed and may have compressed air or water nozzles. As shown the pump and shovel are fixed to a telescopable tube 13 pivotally carried by a boom 14. Alternatively the pump and tool may be suspended by ropes and dragged along the bottom.