Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt
Reexamination Certificate
2001-07-21
2009-02-17
Ip, Sikyin (Department: 1793)
Metal treatment
Process of modifying or maintaining internal physical...
With casting or solidifying from melt
C148S546000, C148S602000, C148S603000
Reexamination Certificate
active
07491276
ABSTRACT:
The invention relates to a production method for producing, on a production installation (1), flat products, also of a large width, from continuously cast slabs having a large or medium thickness or from thin slabs. Said production installation is comprised of a single or multiple stand blooming train (4), of a roller table (3), which is provided for conveying the rolling stock and, optionally for oscillating, of a roller table section (5) with hinged heat-insulating covering hoods. The production installation is also comprised of a straightening unit (6) for straightening the pre-strips, of an, in particular, inductive heating installation (7) for effecting the controlled heating of the pre-strips to a defined temperature over the length and width of the pre-strips, of a multiple-stand finishing train (10), of a delivery roller table with devices (11) for cooling the hot rolled strip, and of subsequently arranged coiling machines (12) for coiling the finished strip. In the single or two-stand blooming train (4), one or more slabs comprised of carbon steels having an average carbon content of approximately 0.2 to 0.8% or of alloyed case hardening steels or heat-treatable steels are rolled on the roller table (3) to form one or more pre-strips. Said rolling is carried out in two stages with a pause between the same for effecting an intermediate cooling by oscillation. The pre-strips are heated over the length and width thereof to a defined temperature by the combined action of the covering hoods and heating installation, and are rolled in a multiple-stand finishing train (10) in the two-phase region in order to form thin high-strength finished strips.
REFERENCES:
patent: 6527882 (2003-03-01), Wehage et al.
patent: 197 58 108 (1999-01-01), None
patent: 0823294 (1998-02-01), None
patent: 99/30847 (1999-06-01), None
Streisselberger A: “Verfahren Der TM-Behandlung MIT Beschleunigter . . . ” Stahl Und Eisen, vol. 111, No. 5, May 15, 1991, pp. 65-73, 164.
Sörgel G: “Rechnergeführtes Thermomechanisches Walzen In Grobblechstrassen” Stahl Und Eisen, vo. 107, No. 20, Oct. 5, 1987, pp. 921-926, 82-926.
Wehage H et al: “Entwicklungstrends Beim Warmflachwalzen Und . . . ” Stahl Und Eisen, vol. 118, No. 10, Oct. 14, 1998, pp. 37-44, 139.
Ginzberg V B et al: “Heat Conservation Between Roughing and Finishing . . . ” Iron and Steel Engineers, vo. 63, No. 4, Apr. 1, 1986, pp. 29-39.
Breuer Michael
Hafer Joachim
Skoda-Dopp Ulrich
Wehage Harald
Ip Sikyin
Kueffner Friedrich
SMS Demag AG
LandOfFree
Production method and installation for producing thin flat... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Production method and installation for producing thin flat..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Production method and installation for producing thin flat... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4117888