Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate
2006-12-26
2006-12-26
Paik, Sang (Department: 3742)
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
C219S544000
Reexamination Certificate
active
07154070
ABSTRACT:
A heater plate manufactured by receiving a sheath heater within a groove portion formed in a base member made of aluminum or aluminum alloy, placing a joint member made of aluminum or aluminum alloy into said groove portion so as to fix said sheath heater in the groove portion, and press-forging said base member and said joint member to be metal-bonded with said sheath heater fixed in place therebetween, wherein a cross section of said joint member comprises a rectangle, and a width of said rectangle is same as or a little larger than a width of a cross section of the groove portion.
REFERENCES:
patent: 2875312 (1959-02-01), Norton
patent: 2987300 (1961-06-01), Greene
patent: 6376815 (2002-04-01), Watanabe
patent: 2003-311932 (2000-11-01), None
Fukuchi Akira
Watanabe Katsumi
Cantor & Colburn LLP
Furukawa-Sky Aluminum Corp.
Paik Sang
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