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Method for manufacturing or testing metered-dose-ejection devices and testing apparatus therefore

  • US 8,336,397 B2
  • Filed: 04/29/2009
  • Issued: 12/25/2012
  • Est. Priority Date: 04/29/2009
  • Status: Active Grant
First Claim
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1. A method of manufacturing metered-dose-ejection-MDE-devices with an affirmed rated ejection dose of fluid upon an ejecting manipulation comprising:

  • sealingly connecting the ejection outlet of an unaffirmed MDE device to a test compartment;

    machine performing an ejection manipulation upon said MDE device, thereby ejecting a dose of said fluid as a gaseous fluid into said test compartment;

    monitoring pressure in said test compartment after having established a predetermined volume of said test compartment;

    exploiting said pressure monitored as indication of whether said ejected dose accords within predetermined limits with said predetermined rated ejection dose or not;

    if it does, affirming to said receptacle to eject doses according to said predetermined rated dose.

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