Flow control element and dispensing structure incorporating same
US6951295B1 · kind B1 · utility
73Cited by
19References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2005 |
| Grant date | Oct 4, 2005 |
| Priority date | — |
| Expiry date | Jan 18, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/047
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A flow control element is provided with a resilient sealing flange biased to seal in-venting passages in a housing around the element. The element also includes a self-sealing, pressure-openable, dispensing valve. The element and housing can be combined to form a dispensing structure that can function to discharge a fluent material product out of the dispensing structure through the dispensing valve while simultaneously venting exterior ambient air (or other exterior ambient environment fluent material) into the dispensing structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.