Circular saw

Claim 1

A CIRCULAR SAW COMPRISING A TEMPERED FLAT DISC-LIKE SAW BODY HAVING OPPOSITE SIDES PERPENDICULAR TO THE AXIS OF ROTATION OF THE BODY, CIRCUMFERENTIALLY SPACED TOOTH BACKING ELEMENTS ON THE PERIPHERY OF THE SAW BODY AND PROJECTING RADIALLY OUTWARDLY THEREFROM, EACH BACKING ELEMENT HAVING A GENERALLY L-SHAPED SEAT FORMED BY CIRCUMFERENTIAL AND OUTWARDLY PRESENTED TOOTH-SUPPORTING SURFACES, A CARBIDE TOOTH HAVING SURFACES THAT DEFINE GENERALLY AN L-SHAPE AND WITH SAID TOOTH ABUTTING SAID SURFACES ON A BACKING ELEMENT AND WITH SAID ABUTING SURFACES OF THE TOOTH AND BACKING ELEMENT BEING SUBSTANTIALLY PERPENDICULAR TO SAID OPPOSITE SIDES OF THE SAW BODY AND BEING SECURED TOGETHER BY A BONDING FILM INTERPOSED THEREBETWEEN, THE SAW TOOTH HAVING ITS ENTIRE OPPOSITE SIDE FASCES LYING LATERALLY OUTWARDLY RESPECTIVELY OF SAID OPPOSITE SIDES OF SAID SAW BODY, THE SAW TOOTH ALSO HAVING ITS FRONT FACE PRESENTED TOWARD THE ADJACENT FORWARD BACKING ELEMENT, THE FRONT FACE HAVING TWO SURFACES THAT INTERSECT RESPECTIVELY THE SIDE FACES OF THE TOOTH TO FORM CUTTING EDGES LYING ENTIRELY AXIALLY OUTWARDLY OF SAID OPPOSITE SIDES OF THE SAW BODY AND WHICH CUTTING EDGES DEFINE OPPOSED SURFACES OF REVOLUTION FORMING THE KERF OF THE SAW, SAID TWO SURFACES FORMING A V THAT OPENS TOWARD THE ADJACENT FORWARD BACKING ELEMENT AND WITH THE INCLUDED ANGLE OF THE V BEING AN OBTUSE ANGLE AND PROVIDING EQUAL AND OPPOSITE ACUTE SHEAR FACE ANGLES AT EACH SIDE OF EACH TOOTH WHICH SUBSTANTIALLY EQUALIZE THE OPPOSITELY DIRECTED FORCES PARALLEL TO SAID AXIS OF ROTATION AND WHICH ARE IMPOSED AS SHEAR FORCES ON SAID BONDING FILM DURING OPERATION OF THE SAW, ONE SIDE ONLY OF EACH TOOTH HAVING A REARWARDLY EXTENDING FLANGE THT ABUTS THE ADJACENT SIDE FACE OF THE ASSOCIATED BACKING ELEMENT TO CONSTITUTE A MEANS FOR LOCATING THE APEX OF SAID V SUBSTANTIALLY AT THE MID-PLANE OF THE SAW BODY DURING ASSEMBLY OF THE TOOTH THEREWITH.