Appeal No. 2001-1142
Application No. 09/065,143
THE REJECTION
Claims 8 and 11 through 13 stand rejected under 35 U.S.C.
§ 103 as unpatentable over the disclosure of Fiorentini.
OPINION
We have carefully reviewed the claims, specification and
prior art, including all of the evidence and arguments advanced
by both the examiner and appellants in support of their
respective positions. This review leads us to conclude that the
examiner’s Section 103 rejection is well founded. Accordingly,
we will sustain that rejection for the findings of fact and
conclusions set forth in the Answer. We add the following
primarily for emphasis and completeness.
We find that Fiorentini discloses “a system for the
continuous manufacture of polymeric foams.” See the abstract.
We find that the system described by Fiorentini, like the claimed
device, comprises a mixing device (12) for mixing two reactive
components, such as a polyol and an isocyanate, and a blowing
agent, such as carbon dioxide. Compare Fiorentini, column 5,
lines 12-20 with claim 8 and the specification, page 10, lines
1-7. We find the Fiorentini reference describes that the mixing
device (12) has an outlet which is in fluid communication with an
elongated pressure equalizing chamber (21) having a pressure drop
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