Spray head including a sonotrode with a composition feed channel passing therethrough
US8430338B2 · kind B2 · utility
14Cited by
24References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2009 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Sep 20, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/057
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A spray head for spraying a cosmetic or dermatological composition, in particular for application to the human body, may include a sonotrode for transmitting ultrasound vibration from a transducer to an ejection surface for ejecting particles of composition, the sonotrode including a channel for feeding the composition to the ejection surface. The channel may present a narrow portion between a composition inlet into the sonotrode and the composition outlet to the ejection surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.