Rotary cutter wheel

Details Rotary cutter wheel Rotary cutter wheel

1990-04-17

1991-08-20

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51209R, 51266, B23D 5902

Patent

active

050403419

ABSTRACT:
By rotating at a high speed a cutter wheel having air intake ports and air injection ports which communicate through an inner cavity, surrounding air is introduced into the cavity from the air intake ports and discharged out through the air injection ports by the centrifugal force brought about by the rotation of the cutter wheel, to spontaneously induce a strong current of air. In this manner, cutting bits which are attached to the peripheral portion of the cutter wheel and produce superheat in cutting a rigid material such as concrete are effectively cooled by the air current thus induced.

REFERENCES:
patent: 2749681 (1956-06-01), Reidenbach
patent: 2755601 (1956-07-01), Lux
patent: 3016661 (1962-01-01), Nielsen
patent: 3420010 (1969-01-01), Tobey
patent: 3579928 (1971-05-01), Held
patent: 4516560 (1985-05-01), Cruickshank

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