Dispensing – Movably mounted supply container – Moving relatively to trap – impeller or valve to cause discharge
Patent
1980-08-04
1982-11-30
Skaggs, H. Grant
Dispensing
Movably mounted supply container
Moving relatively to trap, impeller or valve to cause discharge
222325, 222398, 222464, 141 18, 422100, B67D 554
Patent
active
043612539
ABSTRACT:
A device for dispensing liquid from an ampul or the like has a body that defines a cavity with an open entrance end for receiving an ampul. An annular seal in the cavity is in sealing engagement with an ampul as the ampul is telescopically inserted into the cavity, and an inlet tube secured in the cavity has an inlet end adjacent the open end of the cavity and an outlet end in fluid communication with a dispensing passage, so that when an ampul is in sealing engagement with the annular seal and the inlet end of the tube is submerged in liquid in the ampul, further axial movement of the ampul into the cavity creates a piston action which compresses air trapped in the cavity and forces liquid from the ampul through the inlet tube and the dispensing passage in a dispensing action.
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Flynn William E.
Mountain Charles F.
Instrumentation Laboratory Inc.
Skaggs H. Grant
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