Twist bottom dispenser
US6283339A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Mar 31, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A two-part dispenser for attachment to the bottom of a cylindrical container for dispensing a pre-calibrated amount of powdered or granular product from the container by twisting or rotating one part of the dispenser with respect to the container. The dispenser comprises a generally cup-shaped member adapted to engage the bottom of the container in fixed relationship therewith and a chambered member that fits within the cup-shaped member and can be rotated with respect to the cup-shaped member to dispense product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.