Metal fusion bonding – Process – With clamping or holding
Reexamination Certificate
2007-04-27
2010-08-24
King, Roy (Department: 1793)
Metal fusion bonding
Process
With clamping or holding
C228S044500, C228S049300
Reexamination Certificate
active
07780065
ABSTRACT:
A method for welding a plurality of pipes, including first, second and third pipes, to each other, the method comprising the steps of:(a) providing a clamping apparatus comprising a rigid frame, first and second clamping means for clamping the pipes, said first and second clamping means being supported on the frame;(b) engaging a side of the first pipe with the first clamping means and a side of the second pipe with the second clamping means and with a first end of the first pipe disposed at a welding distance from and in line with a first end of the second pipe;(c) operating a welding apparatus to make a welding seam to connect the respective first ends of the first and second pipes; and(d) moving the clamping apparatus along the second pipe to a second end of the second pipe and repeating steps (b)-(c) to weld the second end of the second pipe to a first end of the third pipe, wherein the method comprising the steps of determining a shape of the first pipe with help of the first clamping means, storing data pertaining to said shape in a memory as shape data, and bringing the second clamping means into engagement with the second pipe based on the shape data.
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Aboagye Michael
King Roy
Ladas and Parry LLP
Vermaat Technics B.V.
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