Drop dispenser for the delivery of uniform droplets of viscous liquids
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United States of America Patent
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Jul 20, 2010
Grant Date -
Oct 4, 2007
app pub date -
Apr 3, 2006
filing date -
Apr 3, 2006
priority date (Note) -
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Abstract
A drop dispenser has a substantially conical sleeve member with a narrow upper end and a wide lower end. Centrally located at the apex of the upper end of the sleeve member is an aperture which has an inner diameter and is circumscribed by a raised ridge. The aperture and the ridge form a nozzle. The interior space of the substantially conical sleeve member forms a substantially conical chamber between the narrow upper end and wide lower end of the sleeve member. The nozzle is in liquid communication with the chamber through the aperture. The drop dispenser may have external threads at the lower end of the sleeve member for engaging a cap having a protuberance centrally located at its internal top end for hermetically engaging the aperture of the nozzle when the cap fully engages the sleeve member.
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