Appeal No. 1998-1008
Application No. 08/574,358
control system for directly controlling acceleration of a
pressure-driven movable die section (claims 24 to 26).
The reference applied in the final rejection is:
Sato 4,855,095
Aug. 8, 1989
Claims 21 to 26 stand finally rejected under 35 U.S.C.
§ 102(b) as anticipated by Sato.
We will consider separately the two groups of claims into
which appellants have divided the claims on appeal.
Claims 21 to 23
Independent claim 21 requires, inter alia:
a controller for controlling the pressure of the
fluid in said fluid line, said controller including
a sensor for sensing at least a portion of at least
one of a time function, a velocity profile and a
position profile of said movable die section at all
times during movement of said movable die section
between first and second positions and producing an
output signal indicative thereof, wherein at said
first position said movable die section is operably
arranged with a second die section for formation of
an injection molded product, wherein at said second
position said movable die section is spaced from the
second die section for molded product ejection,
wherein said output signal is fed into a comparator
for comparing said output signal to a control
parameter, said comparator outputting a control
signal to a pressure regulating device in said fluid
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