Appeal No. 1999-1748
Application 08/846,285
At the outset, we recognize from a reading of appellants’
disclosure (specification, pages 1 through 3) that, prior to the
present invention, it was known to initiate an exothermic
reaction in a mixture of copper oxide and aluminum, for example,
by an ignitor such as a flint ignitor, by an electrical system
which ranges from simple spark gaps to bridge wires and foils,
and by rocket ignitors to yield molten copper weld metal to join
or weld copper to copper or steel to steel.
We turn now to the claims under rejection.
METHOD CLAIMS
This panel of the board cannot sustain the rejection of
independent method claim 1 and claims 2 through 5 and 7 through
13 dependent thereon.
Independent claim 1 sets forth a method of igniting
exothermic weld metal material comprising, inter alia, the steps
of forming a charge of weld metal material, placing a
5
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