Closure element for a cup

Abstract

A closure element is adapted for use with a cup to form a container when combined, the container configured to hold a beverage or a granular substance. The closure element comprises a sealing portion and an annular sealing wall extending around the sealing portion, the annular sealing wall is tilted with an angle alpha of between 2-8 degrees in relation the axis A and intended to be in contact with an inside surface of an annular inner wall of the cup to seal the container. The closure element further comprises a spout configured to deliver the beverage or granular substance to a user. The closure element is configured to be pressed into the cup so that the annular sealing wall engages the inside surface of the annular inner wall of the cup to form a tight seal between the closure element and the cup.

1 . A closure element adapted for use with a cup having a top opening with a first area A 1  in a cross-sectional plane perpendicular to an axis A,
 said closure element and cup adapted to form a container when combined, said container extending along said axis A and configured to hold a beverage or granular substance, 
 said closure element comprising: 
 a sealing portion with a second area A 2  in a cross-sectional plane perpendicular to said axis A, wherein the second area A 2  is essentially equal to said first area A 1 ; 
 
       an annular sealing wall extending around said sealing portion, wherein said annular sealing wall is tilted with an angle alpha (α) in relation to said axis A and intended to be in contact with an inside surface of an annular inner wall of said cup to seal said container; and
 said closure element further comprises a spout configured to deliver said beverage or granular substance to a user; 
 wherein said closure element is configured to be pressed into said cup so that said annular sealing wall engages said inside surface of said annular inner wall of said cup to form a tight seal between said closure element- and said cup, wherein said angle alpha is between 2-8 degrees, 
 wherein said closure element is made of cellulose-based paper material or fiber-based paper material. 
 
     
     
         2 . The closure element according to  claim 1 , further comprising a removable and attachable lid element arranged to cover said spout, and said lid element and spout are adapted to seal the container when the lid element is arranged to cover said spout, such that spilling from the container is essentially prevented. 
     
     
         3 . The closure element according to  claim 2 , wherein said spout comprises a first set of threads extending around said spout, and wherein said lid element comprises a second set of threads and wherein said lid element is configured to be screwed onto said spout. 
     
     
         4 . The closure element according to  claim 2 , wherein said spout comprises a first protruding rim extending around said spout and wherein said lid element comprises a first receiving recess configured to receive said protruding rim, and wherein said lid element is configured to be pressed onto said spout. 
     
     
         5 . The closure element according to  claim 1  wherein said spout comprises a permeable surface configured to be pierced. 
     
     
         6 . The closure element according to  claim 2 , wherein said lid element comprises a spike configured to be used to pierce a permeable surface of said spout in order to allow a user to reach said beverage or granular substance. 
     
     
         7 . A container configured to hold a beverage or granular substance and extending along an axis A, the container comprising: a first cup made of cellulose-based paper material or fiber-based paper material, said cup comprising an opening with a first area A 1  in a cross-sectional plane perpendicular to an axis A, wherein said cup comprises an inner annular wall tilted at an angle alpha (α) in relation to said axis A, and
 a closure element according to  any previous claim . 
 
     
     
         8 . The container according to  claim 7  further comprising a second cup configured to at least partially enclose said first cup. 
     
     
         9 . The container according to  claim 7 , wherein said closure element comprises a second protruding rim extending around an annular sealing wall and wherein said first cup comprises a said second protruding rim adapted to interact with a second receiving recess of said cup extending around said inner annular wall and configured to receive said second protruding rim when said closure element is pressed into said cup. 
     
     
         10 . The container according to  claim 7 , wherein said paper material is formed from a fiber-based slurry comprising:
 a fiber base comprising at least 50% by weight of old corrugated container (OCC).   
     
     
         11 . The container according to  claim 7 , wherein said paper material is formed from a fiber-based slurry comprising:
 a fiber base comprising at least 10% softwood (SW).   
     
     
         12 . The container according to  claim 11 , said fiber-based slurry further comprising a moisture barrier; and/or an oil barrier, wherein said moisture barrier and said oil barrier are in a range of about 1%-4% by weight respectively. 
     
     
         13 . The container according to  claim 12 , wherein said fiber-based slurry further comprises a strength additive in a range of 1.5%-4% by weight. 
     
     
         14 . The container according to  claim 13 , wherein at least an inside surface of a closure device and/or said cup, when included, comprises an impermeable coating layer. 
     
     
         15 . The closure element according to  claim 1 , wherein said paper material is formed from a fiber-based slurry comprising:
 a fiber base comprising at least 50% by weight of old corrugated container (OCC).   
     
     
         16 . The closure element according to  claim 15 , said fiber-based slurry further comprising a moisture barrier and/or an oil barrier, wherein said moisture barrier and said oil barrier are in a range of about 1%-4% by weight respectively. 
     
     
         17 . The closure element according to  claim 15 , wherein said fiber-based slurry further comprises a strength additive in a range of 1.5%-4% by weight. 
     
     
         18 . The closure element according to  claim 1 , wherein said paper material is formed from a fiber-based slurry comprising:
 a fiber base comprising at least 10% softwood (SW).   
     
     
         19 . The closure element according to  claim 18 , said fiber-based slurry further comprising a moisture barrier and/or an oil barrier, wherein said moisture barrier and said oil barrier are in a range of about 1%-4% by weight respectively. 
     
     
         20 . The closure element according to  claim 18 , wherein said fiber-based slurry further comprises a strength additive in a range of 1.5%-4% by weight. 
     
     
         21 . The closure element according to  claim 1 , wherein at least an inside surface of a closure device and/or said cup, when included, comprises an impermeable coating layer.