Coffee grinding method
US4655400A · kind A · utility
6Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Apr 29, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J42/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Roasted coffee is ground by passage through grinding and regrinding steps, each step being characterized by having the rolls thereof in each pair thereof moving linearly at the same speed to produce a granulized coffee, the coffee being ground substantially in a single bean dimension and being thereby discretely cracked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.