Bubble generator
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United States of America Patent
Stats
-
May 26, 1981
Grant Date -
N/A
app pub date -
Jun 6, 1980
filing date -
Nov 22, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bubble generator is comprised of a bubble plate and an adjuster plate slidably coupled to each other, the former being provided with parallel small bubble holes rows and the latter with parallel small slot rows, large slot rows and large bubble hole rows. Mutual sliding between the plates allows three different modes of bubble generation at user's free choice.
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