Baking of lithographic plates

Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal

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266103, C21D 954

Patent

active

049350714

ABSTRACT:
The tendency of lithographic plates to buckle during baking under top heat with the result that the heat treatment is not uniform to minimised by passing the plates through an oven on a conveyor belt which inclines upwardly over part of its path and then downwardly, so that the plates are caused to bend transversely and the bends are caused to travel lengthwise of the plates.

REFERENCES:
patent: 2189836 (1940-02-01), Schon
patent: 2345181 (1944-03-01), Cooper et al.
patent: 2448835 (1948-09-01), Schefe
patent: 2652478 (1953-09-01), Howard
patent: 2730348 (1956-01-01), Rendel
patent: 3649381 (1972-03-01), Mayhew
patent: 4385945 (1983-05-01), Compton et al.

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