Content discharge mechanism for pump-type container and pump-type product with content discharge mechanism
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United States of America Patent
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Aug 21, 2012
Issued Date -
N/A
app pub date -
Jul 13, 2006
filing date -
Jan 26, 2006
priority date (Note) -
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Abstract
A content discharge mechanism for a container with a pump has a discharge outlet that is fixed in position. The device has an operation button and a cylindrical piston that move as one, as well as a ball valve that rests on a seat. The ball valve opens as the cylindrical piston retracts after an actuation to allow more fluid into the upstream passage chamber. A downstream passage with a valve for dispensation fluidly communicates with the upstream passage through a hole. As the cylindrical piston and its seal slide over the hole, the discharge from the downstream passage stops.
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