Patent ID: 7416327

Claim:
A foaming device for the preparation of coffee and milk, cappuccinos or similar drinks, the device comprising: a cover designed to close a top of substantially cylindrical containers, each container containing a liquid, said cover defining a hole; a rod extending axially through said hole in said cover such that a portion of said rod extends to a position above said cover; a disk movable axially within one of the containers during use of the device, said disk being fastened transversely to said rod, said cover including at least two substantially concentric annular grooves for engaging an upper edge of one of said containers, said containers having varying diameters, said disk having at least one mesh portion for forming an emulsion of air in said liquid contained in one of said containers, said disk having a flexible circumferential portion extending in a radial direction from the edge of the disk such that said flexible circumferential portion covers at least partially an opening defined between said edge of said disk and an internal wall of one of the containers having a first diameter, said circumferential portion bending when said disk is located within one of the containers having a second diameter, said first diameter being greater than said second diameter.