Foods and beverages: apparatus – Beverage – Infusors
Patent
1988-05-16
1989-07-04
Jenkins, Robert W.
Foods and beverages: apparatus
Beverage
Infusors
99285, 99299, A47J 31043
Patent
active
048439541
ABSTRACT:
A tea making machine wherein the bottom wall of an upper vessel can be used to seal the open top of a lower vessel which contains a supply of water. The upper vessel contains a supply of tea leaves and its bottom wall has an upright tubular portion for a riser with an open upper end in the upper vessel and an open lower end in the lower vessel. The riser is adjustable so that its lower end can be moved to any one of a number of different levels above the bottom of the lower vessel. When the supply of water in the lower vessel is heated, the pressure in the lower vessel rises and boiling water is compelled to flow up the riser and into the upper vessel where it contacts the tea leaves. When the level of the supply of water in the lower vessel descends below the lower end of the riser, such water must be evaporated in order to rise into the upper vessel. The interval which elapses for evaporation determines the steeping time in the upper vessel. When the evaporation of water from the lower vessel is completed and the heaters for the lower vessel are turned off, the pressure in the lower vessel decreases so that the lower vessel draws the beverage from the upper vessel by way of the riser.
REFERENCES:
patent: 1822238 (1931-09-01), Albanese
patent: 2885949 (1959-05-01), Curtis
patent: 3130663 (1964-04-01), Wickenberg
patent: 3224360 (1965-12-01), Wickenberg
Jenkins Robert W.
Kontler Peter K.
Robert Krups Stiftung & Co. KG
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