Vaporizer device of cotton-free electronic cigarette
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
May 26, 2014
filing date -
Dec 4, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vaporizer device of cotton-free e-cigarette, comprising: an outer sleeve, a supporting frame arranged inside the outer sleeve, a vaporizer unit fixed into the supporting frame, a filter piece and a liquid percolation piece sequentially connected to one end of the supporting frame, and a fixation seat connected to other end of the supporting frame. A backflow groove is made inside the supporting frame to prevent leakage caused by the backflow of residual liquid. The filter piece is made of heat-resisting material. The liquid percolation piece is connected at one end with a liquid storage cup by snap joints. Another end of the filter piece keeps a safe distance away from the vaporizer unit to avoid being burned. The liquid storage cup and the outer sleeve are assembled to form a slit therebetween to prevent the backflow of residual liquid.
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