Liquid product dispenser, in particular for a cosmetic product such as nail varnish
US4750502A · kind A · utility
9Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1986 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | Aug 6, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D34/042
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The dispenser comprises a shell enclosing a movable reservoir for the product. A dispensing valve is formed in a zone between the shell and the reservoir. Control member allow a relative displacement to be effected between the shell and the reservoir to open the dispensing valve and to allow the product to flow out. Openable passage are capable of connecting the inside of the reservoir to the atmosphere when the control member are actuated to open the dispensing valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.