Appeal No. 96-3395 Page 12
Application No. 08/347,900
the third port, to a sample bottle 9. One position of the
valve connects sample flow to the sample bottle 9. Col. 5,
ll. 38-43.
The second and third elements of claim 1 are “a passage
through said valve element having an inlet port and a
discharge port wherein the passage is deployed so that said
valve element, when operated, moves to a position enabling
purge fluid flow through said valve element from a remote
source of a purge fluid and the purge fluid flows to the valve
element and its passage through a source blocking valve; ...”
and “a flow line extending from said purge fluid source
blocking valve to said valve element so that purge fluid flows
through said valve element clearing said valve element of any
remaining sample.” In short, they require that a position of
the valve connects flow from a remote source, through a second
valve and a flow line, through the three-way valve to purge
it of any remaining sample.
Sanford discloses an apparatus for obtaining a sample
from a liquid. Col. 1, ll. 13-14, 64-66. The apparatus
Page: Previous 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Next
Last modified: November 3, 2007