Patent ID: 11964814
Assignee: SOCIETE DES PRODUITS NESTLE S.A.
Field: Handling (Mechanical engineering)
Classification: CPC B  A | IPC A  B

Claim 14:
15. A capsule for use in preparing a beverage with a foam, the capsule comprising:
side walls defining an ingredient chamber configured for containing an ingredient for preparing the beverage;
a top membrane configured to close a top of the ingredient chamber;
a membrane or frangible capsule wall configured to close a bottom of the ingredient chamber;
a rigid plate configured to open the membrane or frangible capsule wall; and
at least one gas reservoir configured to contain gas, the at least one gas reservoir is at least partially defined by the rigid plate and by walls axially protruding from the rigid plate;
the at least one gas reservoir having an opening in the walls axially protruding from the rigid plate within the capsule, the opening adjacent a flow path of liquid through the capsule such that the at least one gas reservoir is in fluid communication with the flow path, the at least one gas reservoir arranged such that the liquid flowing past the opening entrains the gas from the gas reservoir to form a foam-like mixture of gas and liquid,
wherein the gas is selected from one or a combination of atmospheric air, an inert gas, or nitrogen.