Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Reexamination Certificate
2009-02-25
2010-08-24
Ross, Dana (Department: 3725)
Metal deforming
By use of roller or roller-like tool-element
With modification or control of temperature of work, tool or...
Reexamination Certificate
active
07779661
ABSTRACT:
A cooling apparatus for a hot rolled steel strip including a top surface cooling means provided above a hot rolled steel strip which is transferred with transfer rollers; and a bottom surface cooling means provided below the hot rolled steel strip, each of the top surface cooling means and the bottom surface cooling means including a protective member having at least one cooling water passage hole; at least one cooling water header opposing the hot rolled steel strip separated by the protective member; and cooling water jetting nozzles protruding from the cooling water header, wherein the tips of the cooling water jetting nozzles are disposed farther from the hot rolled steel strip than the surface, opposing the hot rolled steel strip, of the protective member.
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Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 140156/1983 (laid-open No. 52009/1985) (Nippon Steel Corp.), Apr. 12, 1985.
Fujibayashi Akio
Hino Yoshimichi
Sasaki Masato
Watanabei Atsushi
Bonk Teresa M
Frishauf Holtz Goodman & Chick P.C.
JFE Steel Corporation
Ross Dana
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