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US 5,845,561 AGranted
Apparatus for preparing a coffee beverage
AssigneeSanyo Electric Co., Ltd.
InventorsNoboru Chigira, Naoto Fukushima, Kazuhiro Uehara, Masakazu Sakata, Kouji Takeda
Life of this patent
Estimating the term…
Abstract
An apparatus for preparing a coffee beverage by supplying the ground coffee beans fed from a coffee mill for grinding coffee beans to an extractor to prepare the coffee beverage is disclosed, wherein a device for removing the silver skins out of the coffee beans ground by the coffee mill is provided therewith.
Claims6
An apparatus for preparing a coffee beverage, comprising:
- a coffee mill for grinding coffee beans to provide the ground coffee beans, said coffee mill having a pair of coffee bean-crushing rollers for crushing the coffee beans coarsely in the clearance between said rollers, a pair of grinding teeth for grinding said coarsely crushed coffee beans to provide finely ground coffee beans, and a common motor to drive both said crushing rollers and said grinding teeth;
- an extractor arranged to receive the ground coffee beans from said coffee mill for extracting a coffee beverage out of the around coffee beans;
- and
- means for removing silver skins out of said coffee beans when said coffee beans are ground, said means for removing silver skins being arranged to remove said silver skins by directing an air flow to said coarsely crushed coffee beans to put said silver skins on the air flow thereby removing said silver skins out of said coarsely crushed coffee beans.
1 more element
An apparatus for preparing a coffee beverage, comprising:
- a coffee mill for grinding coffee beans to provide the ground coffee beans, said coffee mill having a pair of grinding teeth for grinding said coffee beans to provide finely ground coffee beans, and a ground coffee bean discharge port to drop said ground coffee beans downward,
- an extractor arranged to receive the ground coffee beans from said coffee mill for extracting a coffee beverage out of the around coffee beans;
- and
- means for removing silver skins out of said coffee beans when said coffee beans are ground, said means for removing silver skins being arranged to remove said silver skins by directing an air flow to said ground coffee beans dropped from said discharge port to put said silver skins on the air flow, thereby removing said silver skins out of said finely ground coffee beans.
1 more element
Dependencies are inferred from the claim text.