Espresso brewing-head unit
US5913962A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1998 |
| Grant date | Jun 22, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/4496
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention relates to an espresso brewing-head unit comprising locking member for detachable attachment to a brewing unit of an espresso machine. A filter for an espresso machine is meant to be improved in a general manner. To this end, the espresso brewing-head unit comprises a pot-shaped coffee receiving container consisting of a plastic material, whose bottom is provided with a filter plate having coffee exit openings and whose upper edge portion in the side wall has firmly embedded therein a substantially surrounding reinforcement ring of a stable material, preferably metal, the reinforcement ring comprising attachment portions which are part of the locking member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.