Container filling apparatus with selectively communicated chambers
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United States of America Patent
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-
Nov 29, 1988
Grant Date -
N/A
app pub date -
Jul 21, 1987
filing date -
Jul 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Liquid from a supply tank B flows into a container C via outer and central annular chambers 14, 8 of filling apparatus A. Communication between the chambers is controlled by a flexible diaphragm 5 selectively urged against an annular seat 15 on a wall 10 separating the chambers in response to air pressure supplied to a chamber 23 on an opposite side of the diaphragm.
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