Beverage capsule

Abstract

A perforable beverage capsule is provided and comprises a generally frustoconical body having a sidewall closed at one end by a piercable inlet wall through which hot water can be injected in use. The end of the sidewall opposite the inlet wall has a rim, and a scaling ring is provided.

1 . A perforable beverage capsule comprising a generally frustoconical body having a sidewall closed at one end by a piercable inlet wall through which hot water can be injected in use, the end of the sidewall opposite the inlet wall having a rim, and a sealing ring is provided. 
     
     
         2 . The perforable beverage capsule according to  claim 1 , in which the sealing ring is formed from a foamed material. 
     
     
         3 . The perforable beverage capsule according to  claim 1 , in which the sealing ring is punched out of plate of a foamed material. 
     
     
         4 . The perforable beverage capsule according to  claim 1 , the sealing ring being injected and foamed in an injection process. 
     
     
         5 . The perforable beverage capsule according to  claim 1 , in which the ring is fitted against the rim. 
     
     
         6 . The perforable beverage capsule according to  claim 1 , in which the ring is fitted under the rim. 
     
     
         7 . The perforable beverage capsule according to  claim 1 , in which the rim is provided with a channel, gully, undercut or the like to receive the ring. 
     
     
         8 . The perforable beverage capsule according to  claim 1 , in which the ring is a flat, disc-like annulus. 
     
     
         9 . A perforable beverage capsule comprising a generally frustoconical body having a sidewall closed at one end by a piercable inlet wall through which hot water can be injected in use, at the other end of the sidewall is a sealing rim, the sealing rim includes a pattern. 
     
     
         10 . The perforable beverage capsule according to  claim 9 , in which the pattern is formed by raised surface formations. 
     
     
         11 . The perforable beverage capsule according to  claim 9 , in which the pattern is at least partly non-repeating. 
     
     
         12 . The perforable beverage capsule according to  claim 9 , in which the pattern includes a plurality of units and units of the pattern are not all the same. 
     
     
         13 . The perforable beverage capsule according to  claim 9 , further comprising a sealing ring. 
     
     
         14 . A perforable beverage capsule comprising a generally frustoconical body having a sidewall closed at one end by a piercable inlet wall through which hot water can be injected in use, in which the piercable inlet wall includes a generally central star like structure to provide rigidity, in which the capsule is formed as barrier capsule, in which the body is formed from PP-EVOH-PP. 
     
     
         15 . The perforable beverage capsule according to  claim 14 , in which the generally star like structure is an isotoxal star polygonal shape. 
     
     
         16 . The perforable beverage capsule according to  claim 14 , in which the perimeter of the bottom is formed as a star or star-like structure. 
     
     
         17 . The perforable beverage capsule according to  claim 14 , in which a plurality of circumferentially distributed triangular shapes form the star or star-like structures. 
     
     
         18 . The perforable beverage capsule according to  claim 14 , in which the sidewall comprises a plurality of generally triangular, contiguous facets. 
     
     
         19 . The perforable beverage capsule according to  claim 14 , in which the inlet wall and the sidewall are joined by a wall section which is formed by a plurality of facets or facet-like structures. 
     
     
         20 . The perforable beverage capsule according to  claim 14 , in which between the sidewall and the inlet wall an intermediate wall section is provided.