Dispensing – Movable outlet element actuator projecting through discharge...
Patent
1981-08-19
1985-09-17
Rolla, Joseph J.
Dispensing
Movable outlet element actuator projecting through discharge...
222453, 222518, 401260, 401264, B65D 2538
Patent
active
045415528
ABSTRACT:
A device for metering and dispensing liquid or semiliquid mediums, such as adhesives, paints, lacquers, oils, and anaerobic plastics, comprising a tube having a discharge port and a first valve seat with a conical taper thereto inside of the tube adjacent the discharge port, and a valve body slidable within the tube between open and closed positions with the first valve seat. The valve body has a conical tapered end portion which complements the conical taper of the first valve seat of the tube. At least one spring normally biases the valve body to closed position against the first valve seat and a tip is formed on the end of the valve body which extends through the discharge port of the tube and closes it when the valve body is in closed position against the first valve seat. A cylindrical inner wall of the tube connects with the conical taper of the first valve seat and further extends to form a flared storage chamber at the end thereof. The valve body has a cylindrical portion slidable within the cylindrical inner wall of the tube to form a second valve seat between the flared storage chamber and a metering chamber formed between the ends of the valve body with the cylindrical inner wall of the tube for the purpose of controlling the amount of medium dispensed during use of the device.
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Rolla Joseph J.
Shaver Kevin P.
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