Reciprocating pump type spout unit
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United States of America Patent
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N/A
Issued Date -
Jul 21, 2005
app pub date -
Dec 3, 2004
filing date -
Jun 7, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A container used in an aerosol type spout unit is made usable as a container used in a reciprocating pump type spout unit. A reciprocating pump (30) is mounted on the mouth of a container (20). And an injection button (38) is depressed to push in the piston (35) of the reciprocating pump to increase the pressure in a pressure chamber (b), and the piston is pushed down with respect to a stem (37) to let the contents of the pressure chamber into the injection button through a spout passage (37a) and deliver them through a spout port (39a), while the operator removes his hand from the injection button, thus canceling the pushing-in of the pistion, and releasing the pressure in the pressure chamber to lower the pressure in the pressure chamber, the piston being pushed up to open an inlet valve (36), sucking up the contents of the container into the pressure chamber. In such reciprocating pump type spout unit, the reciprocating pump is attached to an adaptor (22) as by screws, and the peripheral edge of the adaptor is attached to the curl portion (21) of the mouth of the container as by fitting.
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