Appeal No. 2000-0789 Page 5
Application No. 08/856,373
the improvement to the circular drum head and bottom
comprising:
first and second reinforcing rims each having a
cylindrical configuration and a diameter less than the
diameter of the cylindrical drum body, the first and
second reinforcing rims for placement to the circular
drum head and the circular drum bottom, respectively;
and,
means for integrally fastening the first and second
rims, respectively, to the circular head and bottom of
the drum to increase resistance to bulging.
Claim 3 reads as follows:
A process for reinforcing the head and bottom of a
steel drum comprising the steps of:
providing a cylindrical drum body having a diameter
for defining open circular ends, the drum body including
a plurality of expanded circumferential rings configured
about the cylindrical drum body;
providing a circular drum head closing one end of
the cylindrical body;
providing a circular drum bottom closing the other
end of the cylindrical body;
providing first and second reinforcing rims each
having a cylindrical configuration and a diameter less
than the diameter of the cylindrical drum body, the first
and second reinforcing rims for placement to the circular
drum head and the circular drum bottom respectively; and,
integrally fastening the first and second rims
respectively to the circular head and bottom of the drum
to increase resistance to bulging.
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Last modified: November 3, 2007