Patent ID: 9738438
Date: 2017-08-22
CPC Classifications: B65D

Claim:
1. A capsule for preparing infusion beverages composed of at least one containing tank defining therein at least one room adapted to contain at least one substance to be infused, said tank being equipped with at least one opening externally equipped on its perimeter with at least one circular edge adapted to abut against a corresponding abutment edge of a side wall of an infusion chamber of a preparing machine inside which said capsule is inserted, at least one surface face of said circular edge being equipped with at least one sealing profile composed of at least one first circular rib and at least one second circular rib, said first and second ribs being concentric with respect to a main symmetry axis of said capsule, each one of said first and second ribs being flexible and said first and second ribs defining therebetween at least one seat shaped as a circular crown adapted to house therein at least one end portion of said abutment edge of said side wall of said infusion chamber, characterized in that said seat is internally equipped with a third circular head rib interposed between said first and second ribs, said third circular head rib being concentric with respect to said main symmetry axis, said circular head rib being equipped with a flexible end adapted to get in contact with and to be squashed against said end portion of said abutment edge to perform a complete seal of the infusion beverage, preventing this latter one from entering the infusion chamber through said circular edge.