Cement cutting blade

Details Cement cutting blade Cement cutting blade

1989-10-04

1990-06-05

Massie, IV, Jerome W.

Stone working

Sawing

Rotary

51206R, 512065, 299 39, 299 89, 404 87, B28D 104, E01C 2309

Patent

active

049304879

ABSTRACT:
An improved circular saw blade assembly for cutting in a single pass a two tier groove in a concrete areaway. The saw blade body having a first row of cutting elements in the form of a metallic matrices containing fragmented diamond particles secured to the blade body periphery. A plurality of cutting blocks formed of the same material as the cutting elements are positioned in a circular configuration intermediate the periphery and the center of the blade body. The cutting blocks are secured to the blade body so as to position the cutting faces on the cutting blocks on each side of the blade whereby the cutting faces coact to cut a groove in the concrete above and wider than the groove cut by the peripheral cutting elements.

REFERENCES:
patent: 3016661 (1959-11-01), Nielsen
patent: 3122030 (1960-08-01), Metzger
patent: 3127887 (1963-03-01), Metzger
patent: 3612611 (1971-12-01), Ellis
patent: 3753430 (1972-06-01), Oas
patent: 3886925 (1975-06-01), Regan
patent: 4456303 (1984-06-01), Due

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