Device for dispensing two substances in a user selectable ratio with replaceable cartridges
US6299023A · kind A · utility
Inventor
Key dates
| Filing date | Aug 24, 2000 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Aug 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/0054
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for dispensing a base substance and a booster substance in a user selectable ratio includes a dispenser head having a pair of spaced apart outlet ports, a first cartridge containing the base substance which is removably coupled onto the dispenser head and a second cartridge containing the booster substance which is removably coupled onto the dispenser head. Each of the first and second cartridges include a collapsible plastic liner which is mounted onto a supporting frame, the supporting frame of each cartridge having a uniquely shaped flange. A first pump assembly is disposed within the dispenser head and serves to draw a fixed amount of the base substance from the first cartridge and dispense the fixed amount of base substance out one of the outlet ports upon depression of a trigger which is slidably disposed in the dispenser head. A second pump assembly is disposed within the dispenser head and serves to draw a fixed amount of the booster substance from the first cartridge upon depression of the trigger, dispense a user selectable percentage of the fixed amount of booster substance out the other outlet port and return the remaining percentage of the fixed amount of the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.