Leak-free airless container having piston device

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United States of America Patent

PATENT NO 9815592
SERIAL NO

14792994

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Abstract

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An airless container includes: an elongated shaft having an open top and an open bottom and having a constant internal cross-section, and having attachment means for securing a fastening collar thereto; a fastening collar; a liquid outlet piece; a piston to sealably and moveably fit within the elongated shaft, the piston having external sides with a peripheral upper blade and a peripheral lower blade, each of said peripheral upper blade peripheral lower blade having a plurality of peripheral ridges running perpendicular to the elongated shaft elongation direction.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diaz, Priska I Eastchester, US 5 25

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