Vane core assembly for use in making centrifugal elastomer coated impellers
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United States of America Patent
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-
Mar 12, 1991
Issued Date -
N/A
app pub date -
Mar 21, 1988
filing date -
Jun 10, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An elastomeric-covered shrouded impeller having a pair of disk-like shrouds enclosing vanes and vane passages which has an improved throat opening having sweeping internal sidewalls is disclosed. A three-piece mold core is utilized to form the vane passage and the sweeping curved throat inlet of the impeller.
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