Patent ID: 8202560

Claim:
A beverage producing system comprising: a capsule containing beverage ingredients and having a center axis; a cup-shaped body comprising a top wall and a sidewall having an outer surface, with the top wall and sidewall configured for defining a cavity that contains beverage forming ingredients therein; and with the sidewall including a rim-like flange forming a periphery of the sidewall, which flange includes transverse and axial extensions and a foil member sealed to the flange of the body to retain the beverage forming ingredients in the cavity; a capsule-based beverage producing device provided with a member for injecting a liquid under pressure into the capsule, a member for draining a beverage from the capsule, and an enclosing member that is movable from an opened state to a defined closed state, in which the enclosing member encloses the outer surface of the capsule; and a dedicated sealing member which is not part of the foil member and is present both on the rim of the flange opposite the foil member and on part of the outer surface of the sidewall of the body to form part of the capsule, which sealing member is compressible when engaged by the enclosing member in the closed state; wherein the sealing member is provided upon the transverse and axial extensions of the flange and extends to and upon the outer surface of the sidewall of the body such that when compressed by the enclosing member in the closed state provides a sealing engagement that compensates for clearances between the enclosing member and the capsule which would otherwise exist when the enclosing member is in its defined closed state such that the sealing member assures that the liquid can only flow through the capsule and in contact with the beverage ingredients to form a liquid beverage.