Valve system for formula cartridge
US11896102B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2020 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Nov 23, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B9/0861
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A valve system comprises: a valve body; a valve cap; and a valve plug between the valve body and valve cap is compressed radially and axially, and a central bore extends wholly through the valve body and valve cap and partially through the valve plug. The valve system is welded to a packet which can contain a hair color formula. One or more of the packets are then used in a cartridge compatible with a dispensing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.