Appeal No. 1997-2910
Application 08/421,387
This is a decision on appeal from the final rejec-
tion of claims 1 through 7, all of the claims pending in the
present application.
The invention relates to cooling arc lamps with heat
sinks when operated in excess of 500 watts. Appellant dis-
closes on page 4 of the specification that figures 1 through 3
illustrate a heat sink embodiment of the present invention.
The heat sink 10 comprises an outer fin support 12, an inner
fin support 14 and a pleated fin material 16.
Independent claim 1 is reproduced as follows:
1. A heat sink, comprising:
an inner fin support of metal formed in a cylindri-
cal ring and having a first axial length and having open and
equal diameter first and second ends;
an outer fin support of metal formed in a cylindri-
cal ring and coaxial with the inner fin support and having a
second axial length about equal to said first axial length;
and
a single metal fin material in a rectangular strip
having a width about equal to said first and second axial
lengths and having a length that is accordion-pleated into
folds and brazed at each crease to each of the inner and outer
fin supports to form a plurality of fins parallel to an axis
of both the inner and outer fin supports.
The Examiner relies on the following references:
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 Next
Last modified: November 3, 2007