3607297 is referenced by 81 patents and cites 4 patents.

A relatively large quantity of a liquid is passed through a relatively small quantity of beverage-producing substance disposed in a pocket between two foils. Two conduits grasp the foils between them in endwise abutting sealed relationship, with the pocket within the conduits. One foil is weaker than the other, so as to be ruptured by the pressure of the liquid.

Title
Method for producing beverages
Application Number
04/814,878
Publication Number
3607297
Application Date
March 13, 1969
Publication Date
September 21, 1971
Inventor
Fasano Osvaldo
IPC
A47f 31/40
A47j 31/02
B65D 81/00
A47J 31/40
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