Stone working – Sawing – Endless
Patent
1985-12-30
1988-06-14
Whitehead, Harold D.
Stone working
Sawing
Endless
51148, 474109, B28D 108
Patent
active
047504684
ABSTRACT:
The invention relates to a machine for cutting blocks of stone with a diamond wire. Electronic devices detect the diamond wire tension as a function of the power absorbed by the motor and driving it correspondingly control the withdrawal of the machine, as the cutting operation goes ahead, with a view to keeping said tension constant.
REFERENCES:
patent: 594542 (1897-11-01), Knobel
patent: 2507372 (1950-05-01), Emmons
patent: 2674238 (1954-04-01), Dessureau et al.
patent: 2795222 (1957-06-01), Garrison
patent: 4284192 (1981-08-01), Taylor
patent: 4478595 (1984-10-01), Hayakawa et al.
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