Device for safe storing and expelling of a liquid solution
US11141139B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2021 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Jan 12, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0683
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for safe storing and expelling of a liquid solution, including: an annular body having a proximal portion and a distal portion and including a transverse member connected along its circumference to an inner lateral surface of the annular body between the proximal portion and the distal portion of the annular body; and a liquid tight piston fitting tightly and movable within the proximal portion of the annular body, wherein the piston includes one or more longitudinal members longitudinally protruding from the piston into an interior of the proximal portion of the annular body, and wherein each of the one or more longitudinal members includes a sharp end to cut the transverse member of the annular body when the one or more longitudinal members being pushed against the transverse member of the annular body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.