Devices for use with espresso machines
US5343799A · kind A · utility
159Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1993 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Dec 22, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/4464
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Devices for extraction of a beverage material contained in a cartridge include an extraction head and a water distributing grill, a cartridge holder and a cartridge holder support which engages tightening ramps of a tightening ring of the extraction head to support the holder. Projecting elements extend from the grill in a direction away from a base of the extraction head. The cartridge holder has a frustoconical inner shape and has a seal incorporated in a rim extension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.