Patent ID: 8029670

Claim:
A device for treating cooling lubricants and chips of machine tools, the device comprising: a container for receiving an untreated mixture of cooling lubricant liquid and solids; an endless conveyor installed in said container for carrying off collected solids from said container; and at least one filtration unit disposed in said container for separating the cooling lubricant liquid from the solids, the filtration unit formed so as to be mobile and can be positioned as an insertion in the container above the lower run of the endless conveyor, roller or sliding means provided on a lower support structure for pushing in and pulling out said filtration unit through an opening in a sidewall of said container, wherein said filtration device includes a flat sieve box in which there is a negative pressure and which has a planar sieve between two side walls and an endless filtering cloth moving in the longitudinal direction, the cooling lubricant liquid being sucked from below through the endless filtering cloth into the interior of the sieve box.