Appeal No. 2000-0003 Page 6
Application No. 08/618,814
diameter; and effecting at least one expanding
operation on a part of said peripheral wall situated
above said region of said given diameter for producing
said succession of regions of different diameters of said
peripheral wall.
Dolveck discloses a process for making a hollow metallic
article from a tubular blank closed at one end. Dolveck
provides that the process deforms the entire periphery of the
wall of the blank over its entire length from one end to the
opposite end. Dolveck teaches (column 1, lines 10-12; column
5, lines 36-41) that the hollow metallic article obtained
according to his process can be used not only as an aerosol
container but also as a soda water bottle or a flower vase.
As shown in Figure 1 of Dolveck, a basic metal container
1 having a flat base and open at the opposite end 2 from the
base, is made by a known drawing and pressing operation. This
forms the basic tubular blank on which all the remaining
operations are to be performed. The end 2 is trimmed by a
metal cutter or
grinding wheel, to any desired length to produce a container 1
as shown in Figure 2. Thereafter, a base 3 of container 1 is
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Last modified: November 3, 2007