Metal founding – Process – With measuring – testing – inspecting – or condition determination
Reexamination Certificate
2004-11-24
2010-06-22
Kerns, Kevin P (Department: 1793)
Metal founding
Process
With measuring, testing, inspecting, or condition determination
C164S151200, C164S452000
Reexamination Certificate
active
07740051
ABSTRACT:
A method for detecting a crater end of a continuously cast product including installing an ultrasonic shear wave sensor for transmitting an ultrasonic shear wave to a cast product and receiving the transmitted ultrasonic longitudinal wave and an ultrasonic longitudinal wave sensor for transmitting an ultrasonic longitudinal wave to the cast product and receiving the transmitted ultrasonic longitudinal wave at the same position in a continuous casting machine or at positions apart from each other in a casting direction, but at the same position in a transverse direction of the cast product, detecting based on variations of an ultrasonic signal received by the ultrasonic shear wave sensor that the crater end of the cast product is matched with the installed position of the ultrasonic shear wave sensor, calibrating a calculation formula for determining the crater end and determining the crater end.
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Dec. 8, 2009 Office Action in Japanese application 2004-327638.
Iizuka Yukinori
Kubota Jun
Tsutsumi Koichi
Frishauf Holtz Goodman & Chick P.C.
JFE Steel Corporation
Kerns Kevin P
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