Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Reexamination Certificate
2006-01-24
2006-01-24
Kastler, Scott (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
C266S114000
Reexamination Certificate
active
06989063
ABSTRACT:
A device and a process for tempering at least parts of the cross section of sequentially produced rails from the rolling heat and for the subsequent cooling thereof to room temperature. The device comprises a hardening device comprising at least two liquid cooling devices arranged next to each other and a transport device having rests for the rails that can be moved across the entire hardening device.
REFERENCES:
patent: 5054746 (1991-10-01), Buchegger
patent: 6336980 (2002-01-01), Benedetti
patent: 6419762 (2002-07-01), Prskawetz et al.
patent: 6432230 (2002-08-01), Kock et al.
patent: 6689228 (2004-02-01), Kock et al.
patent: 0441766 (1994-12-01), None
Köck Norbert
Wahn Rainer
Greenblum & Bernstein P.L.C.
Kastler Scott
voestalpine Schienen GmbH
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