Coffee machine with losing filter or capsule
US8191463B2 · kind B2 · utility
9Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2007 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Mar 11, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/4471
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An espresso machine using an innovative, semi-automatic, mechanical system to load and discard the disposable coffee filter or capsule, comprising a novel system of sealing and applying pressure on the disposable filter or capsule to avoid spurts of coffee or hot water while the coffee is brewed, consisting of a completely mechanical clamping system of sealing between the capsule and the infusion piston by manually adjusting the distance between the capsule and the piston and the use of an electro-mechanical control system to verify that the capsule is properly lodged and to verify the lodging pressure of the brewing piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.