Liquid dispenser having a two-part body
US6540116B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2002 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Jan 7, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention provides a dispenser for dispensing liquids from a receptacle, the dispenser having a cylindrical and conical body containing a measuring chamber closed at its bottom end by an admission valve and at its top end by a piston provided with a delivery valve and a delivery tube capped by a pushbutton, the body being the result of assembling together two independent elements: a top element carrying the piston and provided with a cylindrical skirt; and a bottom element provided with a sleeve for co-operating with the skirt by leaktight radial clamping so as to define the wall of the measuring chamber, the bottom element being provided with a bushing extending the sleeve coaxially downwards and engaged with leaktight radial clamping inside the neck of the receptacle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.