Appeal No. 1998-0030 Page 8
Application No. 08/151,960
attached to a separate floor material such as by thermal
welding or R.F. welding. Van Romer teaches that preferably
foldable wall 12 comprises a rectangular wall consisting of
individual upstanding walls 16, 18, 20, 22 but that it is to
be understood, of course, that other wall configurations such
as triangular, oval, circular, may also be used.
Van Romer's containment device also includes brace means
for bracing the walls in an upstanding position while allowing
the walls to fold horizontally include rigid side braces A,
internal braces B and wall bracing elements C. Rigid side
braces A extend vertically and are attached to upstanding
walls 16, 18, 20, 22. Internal braces B support the
upstanding walls and retain them upright. Wall bracing
elements C also support the upstanding walls and retain them
upright.
Frost discloses a collapsible container 14 which may be
used for any desired purpose (page 2, left column, lines 51-
52). As shown in Figures 1-7, the container 14 includes a
rubber flat sheet 19 that forms the bottom of the container
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