Device for heating thermoplastic eyeglass frames

Details Device for heating thermoplastic eyeglass frames Device for heating thermoplastic eyeglass frames

1974-06-03

1976-01-13

Camby, John J.

Heating

Processes of heating or heater operation

Including preparing or arranging work for heating

34 1, 432 19, 432 31, F27D 700

Patent

active

039321142

ABSTRACT:
A method and apparatus for warming thermoplastic articles such as eyeglass frames quickly up to the softening temperature of the thermoplastic, but not exceeding the temperature at which degradation of the thermoplastic would take place by means of temperature controlled infrared radiators and also preferably using a body of heated air to blanket the thermoplastic article from ambient air.

REFERENCES:
patent: 2661645 (1953-12-01), Heath
patent: 2836696 (1958-05-01), Ratchford

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