A cap for a food package

Abstract

Disclosed herein is a cap configured to interact with a neck. In some embodiments, the cap comprises an inner wall portion and at least one cutting element projecting radially inwards from the inner wall portion. In some embodiments, the cutting element has a hinge portion connected to the inner wall portion, and a cutting portion extending radially inwards from the hinge portion, wherein a first axial thickness of the hinge portion is between 35 and 80% of a second axial thickness of the cutting portion. Also disclosed herein is an assembly comprising the cap and a spout having a membrane closing a tubular member of the spout.

1 . A cap configured to interact with a neck, said cap comprising:
 an inner wall portion; and   at least one cutting element projecting radially inwards from the inner wall portion, said at least one cutting element having a hinge portion connected to the inner wall portion and a cutting portion extending radially inwards from said hinge portion;   wherein a first axial thickness of the hinge portion is between 35 and 80% of a second axial thickness of the cutting portion.   
     
     
         2 . The cap according to  claim 1 , wherein the first axial thickness of the hinge portion is between 3/7 and 5/7 of the second axial thickness of the cutting portion. 
     
     
         3 . The cap according to  claim 1 , wherein the first axial thickness of the hinge portion is between 0.3 and 0.5 mm. 
     
     
         4 . The cap according to  claim 1 , wherein the at least one cutting elements comprises between 1 and 7 cutting elements. 
     
     
         5 . The cap according to  claim 1 , wherein said at least one cutting elements is configured to separate a membrane from an associated spout. 
     
     
         6 . An assembly comprising the cap according to  claim 1 , and a spout having a membrane closing a tubular member of said spout. 
     
     
         7 . The assembly according to  claim 6 , wherein said tubular member comprises a main body and an end portion releasably attached to said membrane, and wherein the second axial thickness of the cutting portion of the at least one cutting element is between 200 and 400% of an axial length of said end portion. 
     
     
         8 . The assembly according to  claim 7 , wherein said membrane comprises a membrane flange having an outer portion extending radially outside said end portion of the tubular member. 
     
     
         9 . The assembly according to  claim 8 , wherein the axial length of the end portion is between 15-65% of an axial thickness of the outer portion of the membrane flange. 
     
     
         10 . The assembly according to  claim 9 , wherein the axial length of the end portion is between 20-50% of the axial thickness of the outer portion of the membrane flange. 
     
     
         11 . The assembly according to  claim 8 , wherein the membrane flange further comprises an inner portion, said end portion of the tubular member being attached to an interface between the inner and outer portions of the membrane flange, and wherein an axial thickness of the inner portion is equal to or less than the axial thickness of the outer portion. 
     
     
         12 . The assembly according to  claim 11 , wherein an inner surface of the inner portion of the membrane flange is arranged at an axial distance from an inner surface of the outer portion of the membrane flange. 
     
     
         13 . The assembly according to  claim 12 , wherein the inner surface of the inner portion of the membrane flange and the inner surface of the outer portion of the membrane flange are parallel. 
     
     
         14 . The assembly according to  claim 11 , wherein an outer surface of the inner portion of the membrane flange and an outer surface of the outer portion of the membrane flange coincide. 
     
     
         15 . The assembly according to  claim 6 , wherein said membrane comprises a sealing lip protruding into said tubular member, wherein said sealing lip extends from an axial position being arranged at a distance (H 1 ) from an axial end position of the end portion of the tubular member, and wherein an outer radius of the cutting portion of said at least one cutting element corresponds to an outer radius of the sealing lip.