Small automatic polishing liquid cleaning device for rigid gas permeable contact lens
US10150202B2 · kind B2 · utility
1Cited by
3References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 22, 2011 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Oct 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86083
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A small automatic polishing liquid cleaning device for rigid gas permeable contact lens includes a container; a containing chamber is provided inside the container; an exhaust pipe, and a liquid suction pipe, which communicates with the containing chamber disposed on the container; an outlet end of the exhaust pipe communicates with a vacuum orifice of a vacuum generator via a connector, a gas inlet of the vacuum generator communicates with a pipeline for a compressed gas, and a liquid inlet of the liquid suction pipe is disposed at the bottom of a waste liquid trough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.