Annealing plant
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United States of America Patent
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Jun 20, 2006
Issued Date -
N/A
app pub date -
Aug 17, 2000
filing date -
Aug 19, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An annealing apparatus for annealing metallic billets, particularly for use in annealing aluminum-containing billets, comprising at least two contact elements or contact discs made of electrically conducting material, the contact elements being connected to a voltage source so as to provide electric current flow through the billet as it passes between the two contact elements. The material of the contact elements is a light metal, normally aluminum or an aluminum-containing alloy, such that the contact element material is matched to the material of the billet and diffusion of the billet material into the contact element is substantially avoided.
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