Dispensing – With filter – With discharge assistant
Patent
1997-08-15
1999-03-02
Shaver, Kevin P.
Dispensing
With filter
With discharge assistant
222211, 2223214, 222376, 222382, 2223831, 22240218, 22240219, 2224642, B65D 8300
Patent
active
058759336
ABSTRACT:
A dispensing spray container which delivers only liquid whether in the upright or inverted position. A container with an exit port from a storage cavity is fitted with an imperforate dip tube having an open-end located farthest from the exit port to feed the liquid when the container is in the upright position. In circuit with the dip tube is a porous element located nearest to the exit port whose surface conditions are such that when wetted by the liquid will from a force resulting from the liquid surface tension to prevent the gas from passing when the container is in the upright position and which will pass liquid when held in the inverted position.
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Ellion M. Edmund
Pfautz James C.
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