Container for providing frothy beverages

Details Container for providing frothy beverages Container for providing frothy beverages

1988-06-14

1990-04-17

Weaver, Sue A.

Bottles and jars

Ejecting

Siphon type

215 10, 229 15B, 426519, A47G 1922, A47G 1923

Patent

active

049172514

ABSTRACT:
A container for beverages, particularly beverages, such as coffee, which form a froth upon being dispensed in the container for consumption, has an interior base portion extending to a sidewall portion and defining an interior beverage containing surface having a shape in the form of an ellipsoid of revolution having an eccentricity of from 1.15 to 5.0, a hyperboloid of revolution having asymptotes forming an angle of less than 90.degree., or a paraboloid of revolution wherein a distance from a focus of the parabola to its directrix line is from 0.5 to 3.0 for promoting the formation of a shell of froth when the beverage is dispensed into the cup.

REFERENCES:
patent: D98614 (1936-02-01), Prouty
patent: D153432 (1949-04-01), Heisey
patent: D167917 (1952-10-01), Wagner
patent: D188802 (1960-09-01), Miller
patent: D203402 (1966-01-01), Wiinblad
patent: D228330 (1973-09-01), Bright
patent: D237574 (1975-11-01), Goertzen
patent: D285516 (1986-09-01), Miller
patent: 1657664 (1928-01-01), Dexter
patent: 2142811 (1939-01-01), Agonis
patent: 4108904 (1977-04-01), Muroaka
"Thermal Drinking Vessel", from Industrial Design Magazine, Mar./Apr. 1982, p. 49.
"New Mold For Fostoria:" from Industrial Design, Jan. 1958, p. 60.

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