Patent ID: 11926468
Assignee: SOCIETE DES PRODUITS NESTLE S.A.
Field: Handling (Mechanical engineering)
Classification: CPC B  F  A | IPC A  B  F

Claim 0:
1. A capsule containing a substance for the preparation of a beverage by extracting the substance by supplying water under pressure in the capsule in a beverage preparation device, the capsule comprising:
an aluminium capsule body having a central capsule body axis, the aluminium capsule body being provided with a bottom, a side wall, and an outwardly extending flange;
a cover attached to the outwardly extending flange, the cover closing the capsule;
a sealing member at the outwardly extending flange configured for providing a water sealing contact with an enclosing member of the beverage preparation device when the capsule is positioned in the enclosing member of the beverage preparation device and the enclosing member is closed by a closing member of the beverage preparation device, such that the outwardly extending flange of the capsule and at least a portion of the sealing member of the capsule are configured to be sealingly engaged between the enclosing member and the closing member of the beverage preparation device, wherein the enclosing member of the beverage preparation device comprises an annular element having an annular element axis with a free contact end;
the sealing member comprises polymeric material positioned on the outwardly extending flange, wherein the enclosing member is configured such that the enclosing member being closed moves the annular element towards the closing element for the free contact end of the annular element to compress the sealing member; and
the outwardly extending flange comprises an annular outer wall and an annular recess between the annular outer wall and the side wall, the annular recess comprising an annular bottom wall, an inner projecting wall, and an outer projecting wall, the inner projecting wall and the outer projecting wall extending in a direction towards a bottom of the aluminium capsule body, and the annular recess is filled with the polymeric material and does not extend on the annular outer wall.