Device for making coffee

Details Device for making coffee Device for making coffee

1991-09-24

1993-07-27

Hornsby, Harvey C.

Foods and beverages: apparatus

Beverage

Infusors

99289R, 99302R, 99302P, A47J 3136, A47J 3144

Patent

active

052302776

ABSTRACT:
A machine for making coffee has a cylindrical chamber in which the head walls are made up of two pistons mounted on circulating ball screw actuators. Once the coffee powder is put into the chamber, the pistons are brought together to exert pressure, after which hot water is introduced to make the infusion. A motor for one of the actuators is in a lower casing on which the chamber is directly mounted for compact construction.

REFERENCES:
patent: 3760712 (1973-09-01), Rossi
patent: 4188863 (1980-02-01), Grossi
patent: 4457216 (1984-07-01), Dremmel
patent: 4491063 (1985-01-01), Grossi
patent: 4583450 (1986-04-01), Rost et al.
patent: 4796521 (1989-01-01), Grossi
patent: 4797296 (1989-01-01), Meier et al.
patent: 4852472 (1989-08-01), In-Albon et al.
patent: 4934258 (1990-06-01), Versini
patent: 5134925 (1992-08-01), Bunn et al.

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