Multi-piston, ratcheted dispensing device
US6173869A · kind A · utility
2Cited by
19References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1999 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Sep 23, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/025
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multi-piston, ratcheted dispensing device for cosmetic and pharmaceutical formulations comprising a hollow body, the body being interiorly divided into at least two channels; a ratchet cup for applying force to at least two ratcheting members, each ratcheting member being in rigid contact with one of at least two pistons, each piston being disposed within the channels; at least one recoil member for biasing the ratchet cup away from the pistons; exit orifices disposed within the body; and, optionally, conductors for directing the dispensed product, sealing mechanisms to prevent dry-out of the product and an actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.