Aerosol dispenser for liquid products
US6290104A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Nov 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1097
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a dispenser for dispensing liquids in the form of aerosols, the dispenser being of the type comprising a pump (1) engaged in sealed manner in the neck (C) of a container and provided firstly with a metering internal chamber and secondly with a spray tube (10) which projects to the outside, where it is engaged in a plunger knob (3), said spray tube (10) being suitable for being fed by the metering chamber and for communicating with a transverse ejection duct (21) equipped with a spray nozzle (22); PA1 the dispenser being, upstream from the ejection duct (21), a delivery or suction external chamber (20) for delivering or for sucking in a mixture of air and of liquid, the spray tube (10) opening out into the external chamber, and the external chamber enclosing a piston (32) secured to the plunger knob (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.