Portion capsule for producing a beverage using a portion capsule
US9409703B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2013 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Jun 2, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B29/02
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A portion capsule for producing a beverage has a capsule body with a capsule base and a filling side. A cavity for accommodating a pulverulent or liquid beverage base is formed between the capsule base and the filling side, and a filter element is arranged between the beverage base and the capsule base The filter element includes an open-pore felt and/or nonwoven. The felt and/or the nonwoven have/has an average first pore size in a first region which faces the beverage base and an average second pore size in a second region which faces the capsule base, wherein the first pore size is smaller than the second pore size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.