Appeal 2007-0512
Application 10/310,744
The claimed subject matter
1. Claims 26 and 27 are representative of the issues involved in this
appeal.
2. Claim 26 reads (emphasis added):
An apparatus for seaming roofing membranes, wherein one of
the membranes is secured to an underlying support structure by
at least one protruding fastener, the apparatus comprising:
a carriage;
a heating assembly carried by said carriage, said heating
assembly generating heat capable of bonding the membranes to
one another; and
a seaming assembly carried by said carriage, said
seaming assembly directing the generated heat to the
membranes while also applying pressure to the membranes so
as to form a substantially continuous width seam.
3. Claim 27 reads (emphasis added):
The apparatus according to claim 26, wherein said seaming
assembly comprises:
a nozzle for directing heated air between the membranes,
said nozzle having at least two channels, wherein one of said
channels is slightly elevated so as to forms a gap sized to pass
over the at least one protruding fastener.
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