Coffee mill

Details Coffee mill Coffee mill

1975-01-13

1977-02-15

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99287, 99289R, 241 36, A47J 3142

Patent

active

040076750

ABSTRACT:
A coffee mill comprising a vertical screw of generally cylindrical form, provided with at least one helical groove and mounted to cooperate with a truncated conical crushing chamber having a section decreasing towards a cylindrical bore at the lower end of the chamber, which section serves to guide the lower part of the said screw, said groove having a pitch which decreases progressively towards its lower end, and a depth which decreases progressively towards its lower end.

REFERENCES:
patent: 518047 (1894-04-01), Snow
patent: 581836 (1897-05-01), Taylor
patent: 1189035 (1916-06-01), Asbury et al.

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