Hydraulic cutting blades for stone sawing machines

Claim 1

IN A THIN LAMINATED MOVABLE CUTTING BLADE FOR SAWING STONE OR THE LIKE, THE COMBINATION OF (A) A THIN BLADE BODY WITH A CLOSED INTERNAL WATER PASSAGEWAY EXTENDING ONLY ALONG ITS CUTTING EDGE, A MAJOR PORTION OF THE TOTAL AREA OF THE BODY BEING SOLID, SAID BLADE BODY COMPRISING, (1) TWO OPPOSED THIN METAL OUTER PLATES OF SUBSTANTIALLY THE SAME SIZE AND SHAPE, (2) ELONGATED THIN METAL SPACING PLATES DISPOSED BETWEEN AND UNITED TO SAID OUTER PLATES ALONG THE CUTTING EDGE IN END-TO-END SPACED RELATION AND FORMING A PART OF THE BOUNDARY OF SAID PASSAGEWAY, (3) OTHER THIN METAL PLATE SPACING MEAND DISPOSED BETWEEN AND UNITED TO SAID OUTER PLATES AND FORMING THE REMAINDER OF THE BOUNDARY OF SAID PASSAGEWAY, SUCH PLATE SPACING MEANS INCLUDING AT LEAST ONE PLATE OF LARGE SURFACE AREA WHICH WHEN UNITED FACE TO FACE WITH THE OPPOSITE SURFACES OF THE OUTER PLATES WILL MAKE A MAJOR PORTION OF THE TOTAL AREA OF THE BLADE BODY SOLID, (B) ELONGATED CUTTING SEGMENT BODIES HAVING DIAMOND PARTICLES EMBEDDED IN A METAL MATRIX, SUCH BODIES BEING INTEGRALLY UNITED TO SAID ELONGATED SPACING PLATES LONGITUDINALLY THEREOF, AND BEING DISPOSED ALONG THE CUTTING EDGE IN END-TO-END SPACED RRELATION, SAID SEGMENT BODIES BEING OF GENERALLY RECTANGULAR SHAPE WITH A TRANSVERSE WIDTH GREATER THAN THE THICKNESS OF THE BLADE BODY, (C) SAID ELONGATED SPACING PLATES BEING OF GREATER LENGTH THAN SAID SEGMENT BODIES AND HAVING THEIR ENDS PROJECTING BEYOND THE ENDS OF THE SEGMENT BODIES, WHEREBY SPACED ARE FORMED ALONG THE CUTTING EDGE BY THE OPPOSED ENDS OF ADJOINING SEGMENT BODIES, (D) RESTRICTED WATER DISCHARGE PASSAGES DISPOSED ALONG THE CUTTING EDGE AND FORMED BY THE CLOSE SPACING OF THE OPPOSED ENDS OF THE ADJOINING ELONGATED SPACING PLATES, SAID PASSAGES OPENING AT ONE END INTO SAID PASSAGEWAY AND AT THE OTHER END INTO SAID SPACES FORMED BETWEEN THE OPPOSED ENDS OF ADJOINING SEGMENT BODIES, AND (E) MEANS FOR SUPPLYING WATER TO SAID PASSAGEWAY, WHEREBY WHEN THE BLADE IS MOVED AND WATER IS SUPPLIED TO THE PASSAGEWAY, FINE FORCEFUL JETS OF WATER WILL BE FREELY DISCHRGED DIRECTLY AND FREELY INTO SAID SPACES AND AGAINST THE BOTTOM OF THE KERF TO FLUSH OUT THE STONE CUTTING AS FAST AS THEY ARE FORMED AND TO REPLACE THEM BY CLEAN WATER.