Metering device for dispensing constant unit doses
US5687884A · kind A · utility
45Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1995 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Nov 21, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The metering device includes a hollow plunger (5) delimiting a defined volume, mounted so that it can move on a receptacle (1), and communicating with it, as well as an elastic member connecting the plunger to the receptacle, consisting of an elastically deformable cylindrical collar (8) including at least one valve (14) capable of closing off the outlet orifice of the receptacle, and fitted around a closed cylinder (6), having the same axis as the cylindrical collar, integral with the receptacle (1). Application to the administration of pharmaceutical products in fluid form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.