Device for heating and emulsifying liquids, in particular...

Foods and beverages: apparatus – Cooking – With other treating or handling of material

Reexamination Certificate

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Details

C099S293000, C099S323100, C099S452000

Reexamination Certificate

active

06968776

ABSTRACT:
A device for heating and emulsifying liquids, in particular drinks, which is unusually capable of generating a dense and creamy foam, comprises a steam-emitting member with which a hollow body can be associated. The steam-emitting member comprises a spout positioned along the hollow body at a height such as to be above the level of the liquid to be emulsified. Inserted coaxially inside the hollow body is a duct which defines a first passage and a second passage. A region for communication between the first passage, the second passage and a third passage for air, which is placed in communication with a groove formed in the inner surface of the hollow body, is provided between the steam-emitting member and the duct. The steam-emitting member comprises two annular projections provided with sectors which have different transverse dimensions and which are offset relative to one another and define a labyrinthine path.

REFERENCES:
patent: 4735133 (1988-04-01), Paoletti
patent: 4922810 (1990-05-01), Siccardi
patent: 4945824 (1990-08-01), Borgmann
patent: 4949631 (1990-08-01), Fregnan
patent: 5330266 (1994-07-01), Stubaus
patent: 5335588 (1994-08-01), Mahlich
patent: 5768975 (1998-06-01), Wu
patent: 5768981 (1998-06-01), Cicchetti
patent: 6681685 (2004-01-01), Mahlich
patent: 6786138 (2004-09-01), Johnson et al.
patent: 0287906 (1988-10-01), None
patent: 2701373 (1994-08-01), None
International Search Report dated Mar. 18, 2002.

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