Dispensing – Drop formers – With valve
Reexamination Certificate
2007-07-24
2007-07-24
Jacyna, J. Casimer (Department: 3754)
Dispensing
Drop formers
With valve
C222S109000
Reexamination Certificate
active
10493413
ABSTRACT:
A method and a device for accurate delivery, dripping and ejection in the form of flying droplets are provided. A liquid material is pressurized by a plunger sliding in a liquid feed passageway. A sliding surface of the plunger section sliding while closely contacting the inner wall surface of the liquid feed passageway divides the space into a nozzle-side liquid material part and a storage container-side liquid material part. The liquid material in the nozzle-side liquid material part is delivered by the plunger section advancing in the liquid feed passageway. A liquid material delivering device has a liquid material storage section, a nozzle section for delivering the liquid material, a liquid feed passageway for establishing communication between the storage section and the nozzle section, a plunger section, and plunger moving means for advancing and retracting the plunger section.
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Musashi Engineering Inc.
Westerman, Hattori, Daniels & Adrian , LLP.
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