Circular insulation saw system

Details Circular insulation saw system Circular insulation saw system

1979-08-06

1981-10-20

Briggs, William R.

Metal working

Plural diverse manufacturing apparatus including means for...

With means to feed work during tool contact

29564, 83607, 83875, 408 54, B23D 5700, B23D 302

Patent

active

042952638

ABSTRACT:
A machine for cutting insulation material into semi-circular blocks. Circular cutting blades are mounted reciprocally on a support shaft. A router functions to cut a groove in the insulation material to provide clearance for the cutting blade support shaft.

REFERENCES:
patent: 740727 (1903-10-01), Wissman
patent: 2751941 (1956-06-01), Smith
patent: 2780896 (1957-02-01), Jaye
patent: 2841193 (1958-07-01), Petrofsky
patent: 2983175 (1961-05-01), Harris
patent: 3060779 (1962-10-01), Taft
patent: 3312131 (1967-04-01), Gilmore
patent: 3941018 (1976-03-01), Williams
patent: 4059035 (1977-11-01), Davis
patent: 4140036 (1979-02-01), Davis

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