Device for dispensing liquid-to-pasty products and module-forming closure device therefor
US11219911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2018 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Oct 11, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/056
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a modular closure device (7) for a device for dispensing a product, comprising: —an outlet nozzle (9) comprising: an outlet orifice (15) at the front, a rear opening, a product intake orifice, —top valve comprising a shut-off member (17) that closes of the outlet orifice, a deformable membrane (22) that seals the rear opening closed, designed so that a depression inside the nozzle forces the shut-off member toward its closed position, and a rigid frame extending between the outlet orifice and the membrane; —a bell housing having an end wall and base opening opposite this end wall, the edges of the base opening being fixed to the nozzle, the membrane sealing the base opening closed. The invention also relates to a dispensing device comprising this closure device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.