Electric heating – Metal heating – By arc
Reexamination Certificate
2005-03-29
2008-03-18
Elve, M. Alexandra (Department: 1793)
Electric heating
Metal heating
By arc
C219S121640, C219S121850
Reexamination Certificate
active
07345256
ABSTRACT:
A method and apparatus for bonding a pair of tubular members are disclosed. First and second end portions of the tubular members are gripped for rotation about their axis. The tubular members are axially rotated and a laser beam is directed radially toward the tubular members to bond them together.
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Chen Ziyun
Zhang Ping Ye
Chen Ziyun
Duckor Spradling Metzger & Wynne
Elve M. Alexandra
Kleinke Bernard L.
Zhang Ping Ye
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