Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – With housing surrounding or engaging coating means
Patent
1981-05-05
1984-10-16
Kendall, Ralph S.
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
With housing surrounding or engaging coating means
118 69, 118 63, 118410, 118603, B05C 318, C23C 102
Patent
active
044768052
ABSTRACT:
Passed through a chamber holding a non-oxidizing atmosphere substantially horizontally, a steel strip is continuously coated on one side only with a molten coating metal. An electromagnetic pump imparts a thrust to the molten coating metal on the entry side of a guide so as to form a stream of the molten metal rising above the bath surface on the exit side of the guide. The rising molten metal stream contacts the bottom surface of the strip to form a film of the coating metal thereon. Provision is made to offer less flow resistance to the rising stream widthwise then lengthwise, so that the molten coating metal flows positively toward both edges of the strip.
REFERENCES:
patent: 3713876 (1973-01-01), Lavic
patent: 4072777 (1978-02-01), Schoenthaler
Higuchi Seizun
Kamada Minoru
Okamoto Susumu
Tano Kazuhiro
Kendall Ralph S.
Nippon Steel Corporation
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