Apparatus for thermographic duplication of information

Details Apparatus for thermographic duplication of information Apparatus for thermographic duplication of information

1976-09-08

1978-12-26

Smith, Alfred E.

Radiant energy

With infrared or thermal pattern recording

Thermal copying of documents

250318, G03C 516

Patent

active

041317963

ABSTRACT:
An improvement in carrying heat away from the drum in a thermographic duplication apparatus. The drum is formed of two concentric shells, the outer being only a segment of a cylinder.

REFERENCES:
patent: 2501495 (1950-03-01), Carroll et al.
patent: 2503758 (1950-04-01), Murray

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