Method of enamelling sheets

Coating processes – Removable protective coating applied – Metal base

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Details

118 70, 198494, 198500, 427154, 427193, 427374F, 427401, B65B 3300

Patent

active

041373448

ABSTRACT:
A method of enamelling sheets (e.g. cooker panels) in which hooks are used to suspend the sheets during the enamelling procedure and in which deposits of enamel are prevented from building up on the hooks by covering them initially with an under-coat of non-pellicular aluminium paint. This has the effect of retaining the enamel that may be deposited on the hooks until after firing (thereby avoiding spoiling the enamel of the sheets with particles of broken hook enamel) but of enabling the enamel to be removed after firing either by heating and quenching the hooks or by vibrating them (or both).

REFERENCES:
patent: 2560270 (1951-07-01), Bird
patent: 3109439 (1963-11-01), Evans et al.
patent: 3727290 (1973-04-01), Schaumburg
patent: 3830196 (1974-08-01), Guttman et al.
patent: 3909289 (1975-09-01), Foucart et al.
patent: 3927460 (1975-12-01), Harada et al.
patent: 4009681 (1977-03-01), Heckman et al.
patent: 4069790 (1978-01-01), Witte

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