Filter for the construction of stainless steel ram boring machine

摘要

Filter for the construction of stainless steel ram boring machine, characterized in that the latter comprises a 5 / 4 inch - tube of 1000 mm in length and a wall thickness of 2 mm, at whose ends in each case 5 / 4 inch threaded fittings followed by perspiration dean, on the one hand, the receptacle of the filter paper tube, on the other hand, the receiving of the sleeve with an integrated ram boring machine by means of a screw tip serve.