Dispensing systems
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United States of America Patent
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-
Oct 16, 2001
Issued Date -
N/A
app pub date -
Sep 20, 1996
filing date -
Sep 22, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A dispensing system has a dispenser pump mounted on top of a container. Product in the container reaches the intake of the dispenser pump through a vertical feed tube which extends down to the container's base. A follower plate fits around the feed tube and lies on top of the product and is slidable along the feed tube while sealing against the container's side wall. The foot of the feed tube interlocks mechanically with the container base, e.g. by an upward projection on the container base which fits into the feed-tube at its foot. A preferred form of the upward projection has a series of radial fins to permit the flow of product and an upwardly tapered region to facilitate installation of the feed tube. By preventing sideways movement of the feed tube the interlock arrangement improves the performance of the follower plate.
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