INVENTORS’ CIRCLE
Newest Patent Approvals
Spray Caps for Generating Spraying Sounds
that have Enhanced Perceived Loudness
U.S. Patent No. 8,578,874
International Consolidated Business Pty Ltd.
International Consolidated Business Pty Ltd., Melbourne,
Australia, patented a spray cap for generating a spraying
sound having enhanced perceived loudness. The spray
cap has an acoustic structure provided around a nozzle to
modify a spraying sound produced by spraying through the
nozzle as a function of sound pressure level and frequency
into a modified spraying sound having a sound spectrum in a
sensitive part of the spectrum of human hearing.
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26 SPRAY November 2017