Capsule

Abstract

Capsule ( 10 ) for the preparation of a beverage from a powdery or granular raw material comprising a body ( 12 ) made of polymer material. The body ( 12 ) has a top edge ( 14 ) and a bottom edge ( 16 ), at least one of which ( 14, 16 ) is provided with a foil ( 18, 20 ) suitable for sealing said edge. The foil is provided with a tongue ( 22, 24 ).

1 . Capsule for preparation of a beverage from a powdery or granular raw material, comprising a body made of polymer material, said body having a top edge and a bottom edge, at least one of said top edge and said bottom edge being provided with a foil suitable for correspondingly sealing said at least one edge, wherein said foil is provided with a tongue. 
     
     
         2 . The capsule according to  claim 1 , characterized in that said top edge is provided with a first of said foil wherein said first foil is suitable for sealing the top edge of said capsule and is provided with a first tongue. 
     
     
         3 . The capsule according to  claim 2 , characterized in that said bottom edge is provided with a second of said foil, wherein said second foil is suitable for sealing the bottom edge of said capsule and is provided with a second tongue. 
     
     
         4 . The capsule according to  claim 3 , characterized in that the body comprises a bottom wall provided with at least one hole, in an inset position with respect to the bottom edge, so that the bottom edge projects from the bottom wall in an axial direction. 
     
     
         5 . The capsule according to  claim 4 , characterized in that a top chamber is provided between said first foil and said bottom wall, and characterized in that a bottom chamber is provided between said second foil and the bottom wall, said top chamber being suitable for containing the powdery or granular raw material and said bottom chamber being suitable for collecting the beverage before being dispensed. 
     
     
         6 . The capsule according to  claim 1 , characterized in that each of said foil is made of aluminium. 
     
     
         7 . The capsule according to  claim 5 , characterized in that said top chamber is provided with a filter applied onto the bottom wall and consisting of a sheet of permeable material, said filter being provided with a filter tongue. 
     
     
         8 . The capsule according to  claim 1 , characterized in that said bottom edge is provided with said foil, wherein said foil is suitable for sealing the bottom edge of said capsule and is provided with a first tongue. 
     
     
         9 . The capsule according to  claim 1 , characterized in that the body comprises a bottom wall provided with at least one hole, in an inset position with respect to the bottom edge, so that the bottom edge projects from the bottom wall in an axial direction. 
     
     
         10 . The capsule according to  claim 9 , characterized in that said top edge is provided with a first of the foil suitable for sealing the top edge of said capsule, and said bottom edge is provided with a second of the foil suitable for sealing the bottom edge of said capsule, wherein a top chamber is provided between said first foil and said bottom wall, and wherein a bottom chamber is provided between said second foil and the bottom wall, said top chamber being suitable for containing the powdery or granular raw material and said bottom chamber being suitable for collecting the beverage before being dispensed. 
     
     
         11 . The capsule according to  claim 10 , characterized in that said first foil is provided with a first tongue and said second foil is provided with a second tongue. 
     
     
         12 . The capsule according to  claim 11 , characterized in that said first and second foils are made of aluminium. 
     
     
         13 . The capsule according to  claim 9 , characterized in that said top chamber is provided with a filter applied onto the bottom wall and consisting of a sheet of permeable material, said filter being provided with a filter tongue. 
     
     
         14 . The capsule according to  claim 3 , characterized in that said first and second foils are made of aluminium.