Volumetric liquid meter having a part of the chamber formed with multi-materials
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United States of America Patent
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Sep 16, 2003
Grant Date -
N/A
app pub date -
Apr 26, 2002
filing date -
Apr 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A volumetric liquid meter of the oscillating piston type having a chamber, includes a bottom portion, a fixed partition, a piston and a filter. At least one element forming the chamber is formed by at least two materials presenting different mechanical characteristics and is made by a multi-material injection method.
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