Expresso coffee maker

Details Expresso coffee maker Expresso coffee maker

1994-10-25

1996-12-24

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99292, 99302P, 426433, A47J 3124

Patent

active

055864848

ABSTRACT:
An improved expresso coffee maker comprising an upper cylindrical container 2 threadably engaged onto a lower truncated-cone container 1, said lower container having a coffee basket assembly 3 in which a cylindrical coffee holder 4 is centered with a piston 5 sliding inside, said piston has apertures 6 to allow passage of water and steam and to create differential pressure above and below the piston, which forces the piston to compress the coffee grounds during the brewing process. The water extract of the coffee grounds passes through inverted funnel 15 and it is collected into the upper cylindrical container.

REFERENCES:
patent: 3077156 (1963-02-01), Egi et al.
patent: 3137228 (1964-06-01), Elow
patent: 3307474 (1967-03-01), Kasher
patent: 3339476 (1967-09-01), De Troya
patent: 3927608 (1975-12-01), Doyel

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