Fluent material handling – with receiver or receiver coacting mea – Processes – With material treatment
Reexamination Certificate
2007-06-19
2010-02-09
Maust, Timothy L. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Processes
With material treatment
C141S051000, C141S063000, C141S069000, C141S083000, C141S095000, C206S213100
Reexamination Certificate
active
07658211
ABSTRACT:
A method and apparatus for recharging depleted tennis balls that uses compressed carbon dioxide. A recharge pressure vessel including a cylinder with a closed end and a spaced apart open end with a connecting wall forming a charging chamber. A pressure port proximate the open end permits gas entry and exit for charging. The chamber may be filled with any number of discharged tennis balls and then is sealed and charged with high pressure heavy molecular weight gas such as carbon dioxide. The vessel is then agitated to jostle the inserted balls and within 4 to 5 days, the balls will become fully pressurized and the pressure may be released and the recharged balls remove from the vessel.
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Keisling Trent C.
Keisling Pieper & Scott PLC
Maust Timothy L.
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