Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Making articles of indefinite length
Reexamination Certificate
2005-02-22
2005-02-22
Jenkins, Daniel (Department: 1742)
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Making articles of indefinite length
C419S045000
Reexamination Certificate
active
06858176
ABSTRACT:
The invention relates to a method for sintering ferroalloy materials in a continuously operated band sintering process, in which method the pellets to be sintered are arranged on the sintering underlay as an essentially even pellet bed, which pellet bed is conveyed on the sintering underlay through the various steps of the sintering process, and in connection with the sintering process, gas is conducted through the pellet bed. According to the invention, at least the major part of the carbon-bearing material needed for heating the pellet bed up to the sintering temperature is fed onto the surface of ready-made pellets prior to bringing the pellets to the sintering step.
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Krogerus Helge
Lamula Esko
Lintumaa Timo
Oikarinen Päivi
Jenkins Daniel
Outokumpu Oyj
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