Piston for dispensing device, dispensing device, product containing dispensing device, method of filing, and method of dispensing
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United States of America Patent
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Apr 10, 2018
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N/A
app pub date -
Apr 30, 2007
filing date -
Jul 23, 2001
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Abstract
A piston for a pressurized container (i.e., “aerosol can”), the piston including a body having circumferential fins, with the fins being of uniform thickness, decreasing thickness radially away from the body, or varying thickness circumferentially. Further disclosed are container precursors and containers incorporating such a piston, and methods of filling and dispensing from such containers.
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