发明名称 |
LEAK-FREE AIRLESS CONTAINER HAVING PISTON DEVICE |
摘要 |
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. |
申请公布号 |
US2015307231(A1) |
申请公布日期 |
2015.10.29 |
申请号 |
US201514792994 |
申请日期 |
2015.07.07 |
申请人 |
Diaz Priska I. |
发明人 |
Diaz Priska I. |
分类号 |
B65D21/08;B65D6/00 |
主分类号 |
B65D21/08 |
代理机构 |
|
代理人 |
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主权项 |
1. An airless container, which comprises:
a container elongated shaft having at least one side wall, an open top and an open bottom; a piston having a top view footprint outer perimeter consistent with said elongated shaft internal cross-section so as to sealably and moveably fit within said open bottom of said elongated shaft, said 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 said elongated shaft elongation direction. |
地址 |
Eastchester NY US |