Heating – Processes of heating or heater operation
Patent
1980-06-10
1987-10-20
Lechert, Jr., Stephen J.
Heating
Processes of heating or heater operation
89 111, 109 1R, 109 29, 110341, 432 13, 432 58, F27B 1400
Patent
active
047011254
ABSTRACT:
A method for the pyrolytic destruction of microfilm products by utilizing hot silicon oil heated to a temperature of about 250.degree. C. Destruction of the various types of microfilm is accomplished within a five minute time frame.
REFERENCES:
patent: 3871281 (1975-02-01), Leonard
patent: 4226372 (1980-10-01), Wigand
patent: 4233024 (1980-11-01), Plass
patent: 4240363 (1980-12-01), Troy
patent: 4338098 (1982-07-01), Yamaji
patent: 4355766 (1982-10-01), Wigand
patent: 4615490 (1986-10-01), Goldhammer
Brownlee Shirley G.
Culp, Sr. Carl H.
Hyde Raymond G.
Kitchens Judith F.
Lechert Jr. Stephen J.
O'Brien William J.
Rusz Joseph E.
Singer Donald J.
The United States of America as represented by the Secretary of
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