Dispenser for dispensing a fluid
US11318490B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2019 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Oct 25, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1047
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described is a dispenser for dispensing a fluid, made of plastic material, including: —a ring nut having an inner cylindrical wall equipped with partial grooves; —a concertina-like deformable element, defining a return spring of the dispenser and including a cylindrical lower projection equipped with relative partial grooves; —a ring designed to define with the ring nut a locking system designed to define an operating configuration and a non-operating configuration of the dispenser in such a way as to pull the concertina-like deformable element in such a way as to align the partial grooves of the cylindrical wall of the ring nut and the partial grooves of the concertina-like deformable element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.