Appeal No. 1998-0256
Application No. 08/395,768
Throughout the entirety of the specification, the
reference is continuously to plural components as regards
"locking members" such as "screws or pins" movable in "bores"
in the dam with the clamping of the dam to the "surfaces" of a
liquid conduit groove being accomplished by the engagement of
"locking members" with inwardly-facing "surfaces" of
"recesses" or "undercuts" in the "sidewalls" of the liquid
conduit groove (for example, page 4, line 20 to page 5, line
13). The specification (page 5, lines 10 through 13) clearly
sets forth that "clamping" of the dam in the liquid conduit
groove is "by the use of locking members that extend through
bores in the dam body member into engagement with inwardly-
facing surfaces of the undercuts." The specification (page 6,
lines 17 through 20) further explains that the leading ends of
the clamping (locking) members tend to "gouge into the
undercut surfaces." As additionally discussed in the
specification (page 13, line 21 to page 14, line 16), as the
screws are driven, the dam body is "effectively wedged" with
increasing "clamping forces" such that the dam assembly is
"securely locked" in the liquid conduit groove and "will not
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