Patent ID: 6872133
Filing Date: 2005-03-29
Classification: B28D

Abstract:
1. A saw blade comprising: a disc-shaped shank having an insertion hole formed at the center thereof so that a rotating shaft of a powered tool is inserted through the insertion hole of the shank, and wave-shaped portions formed over a prescribed portion of the radius of the disc-shaped shank, the wave-shaped portions being spaced a prescribed distance from each other and alternately arranged on the front and rear surfaces of the disc-shaped shank, the prescribed portion of the radius of the disc-shaped shank being at a distance from the center of the insertion hole; and a plurality of cutting tips attached to the outer circumference of the shank for cutting a workpiece, the cutting tips containing particles of high hardness, wherein the shank at its outer circumference has a plurality of spaced slots uniformly spaced apart from each other to provide an attachment site for the cutting tips, and wherein the wave-shaped portions of the shank comprise a plurality of rings formed on the shank so that the rings are alternately arranged on the front and rear surfaces of the disc-shaped shank.