Invention Grant
- Patent Title: Dispenser with variable-volume storage chamber, one-way valve, and manually-depressible actuator
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Application No.: US14584678Application Date: 2014-12-29
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Publication No.: US09377338B2Publication Date: 2016-06-28
- Inventor: Daniel Py
- Applicant: MedInstill Development LLC
- Applicant Address: US CT New Milford
- Assignee: MedInstill Development LLC
- Current Assignee: MedInstill Development LLC
- Current Assignee Address: US CT New Milford
- Agency: McCarter & English, LLP
- Main IPC: B65D88/54
- IPC: B65D88/54 ; G01F11/02 ; B05B11/00 ; B65D83/00 ; B65D47/20

Abstract:
A dispenser has a housing, and a variable-volume storage chamber formed within the housing and defining a substantially fluid-tight seal between the chamber and exterior of the housing for storing a substance to be dispensed. A piston is mounted within the housing, and a one-way valve is mounted within the housing and coupled in fluid communication with the variable-volume storage chamber. A compression chamber is coupled in fluid communication between the piston and one-way valve, and at least one of the piston and valve is manually depressible relative to the other between (i) a first position in which the piston is located at least partially outside of the compression chamber for permitting substance to flow from the variable-volume storage chamber into the compression chamber, and (ii) a second position in which the piston is located at least partially within the compression chamber for pressurizing substance within the compression chamber above a valve opening pressure and, in turn, dispensing substance through the one-way valve and out of the dispenser.
Public/Granted literature
- US20150108174A1 Dispenser with Variable-Volume Storage Chamber, One-Way Valve, and Manually-Depressible Actuator Public/Granted day:2015-04-23
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