Espresso brewing-head unit

Details Espresso brewing-head unit Espresso brewing-head unit

1998-03-13

1999-06-22

Alexander, Reginald L.

Foods and beverages: apparatus

Beverage

Infusors

99295, 99302R, 99323, 210477, 210481, A47J 3124

Patent

active

059139625

ABSTRACT:
The present invention relates to an espresso brewing-head unit comprising locking member for detachable attachment to a brewing unit of an espresso machine. A filter for an espresso machine is meant to be improved in a general manner. To this end, the espresso brewing-head unit comprises a pot-shaped coffee receiving container consisting of a plastic material, whose bottom is provided with a filter plate having coffee exit openings and whose upper edge portion in the side wall has firmly embedded therein a substantially surrounding reinforcement ring of a stable material, preferably metal, the reinforcement ring comprising attachment portions which are part of the locking member.

REFERENCES:
patent: 4123228 (1978-10-01), Frei et al.
patent: 4759274 (1988-07-01), Schmidt
patent: 5127318 (1992-07-01), Selby, III
patent: 5473973 (1995-12-01), Cortese
patent: 5636563 (1997-06-01), Oppermann et al.
patent: 5715741 (1998-02-01), Gasser et al.

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