Federal-mogul Corporation

Joseph D Ekland

Carl F Roemmele

E J Cruickshank

A circular cutting wheel is disclosed and has a plurality of diamond-bearing arcuately shaped cutting members bonded to the periphery thereof and a generally U-shaped gullet between each pair of adjacent cutting members, wherein preferably the arc length of each cutting member at its radial extremity is approximately equal to the arc length of an adjacent gullet at its radial extremity, thereby providing the means with which to circulate fluid coolant to the cutting members at the point the cut is being made and to discharge the swarf from that same point to an area away from the cutting wheel.

Abrasive cutting wheel for cutting rock-like material

A circular cutting wheel having a plurality of radial slots evenly spaced about the periphery thereof and a diamond-bearing arcutely shaped cutting member bonded to the periphery thereof between each of the radial slots, the core further including a plurality of coolant pumping vane members formed as arcuate grooves on each side of the core extending radially outwardly from the core in the intended direction of rotation of the blade and terminating at the core periphery, thereby providing the means with which to distribute and maintain a fluid coolant on the sides of the core and to pump such fluid coolant to each of the cutting members. A method of cutting natural and artificial rock materials utilizing such a blade which includes providing a pumping action to a fluid coolant in the area of cut at the blades' cutting edge.

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Birmingham, MI, United States of America

Joseph D Ekland