Device for taking a filtrate sample from slush pulp
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United States of America Patent
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Apr 29, 1997
Grant Date -
N/A
app pub date -
Dec 15, 1995
filing date -
Dec 15, 1995
priority date (Note) -
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Abstract
Device for taking a filtrate sample from fibrous slush pulp through the wall (2) of a container (1) containing pulp, said device comprising a cylinder (3) mounted on the wall (2) so that it goes through the wall, with its open end (5) towards the container (1); a piston (7) placed in the cylinder space and forming a sampling duct (8) from the open cylinder end into the cylinder space behind the piston; and an actuator (9) for moving the piston into an intermediate position, in which the piston end forms a pocket (10) limited by the cylinder walls (4) and the piston end for gathering fibrous slush pulp and forming a pillow-like filter (11) in the pocket, and into a front position for removing the pillow-like filter into the container; the cylinder is provided with a drain duct (12) for draining off the sample penetrating through the filter and the sampling duct into the space behind the piston for analysis.
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