Drinking bottle

Abstract

Drinking bottle for sportspersons, having a case (1), a dome (2) with a drinking valve (3), a base (9) and a protective cap (4), wherein the drinking bottle comprises an insert (5) for preventing sloshing, such that(a) the insert (5) is a bag for receiving drinking fluid which is accessible via the drinking valve (3), wherein there is arranged beneath the bag (5) an expansion element (8) which is suitable for compressing the bag (5) in the direction towards the drinking valve (3) in dependence on the fill level; or(b) the insert (5) comprises multiple stages, which are interconnected; or(c) the insert (5) comprises a filling of a permeable, food-grade material having honeycombs or cells.

1 . Drinking bottle for sportspersons, having a case ( 1 ), a dome ( 2 ) with a drinking valve ( 3 ), a base ( 9 ) and a protective cap ( 4 ), characterised in that the drinking bottle comprises an insert ( 5 ) for preventing sloshing, such that
 (a) the insert ( 5 ) is a bag for receiving drinking fluid which is accessible via the drinking valve ( 3 ), wherein there is arranged beneath the bag ( 5 ) an expansion element ( 8 ) which is suitable for compressing the bag ( 5 ) in the direction towards the drinking valve ( 3 ) in dependence on the fill level; or   (b) the insert ( 5 ) comprises multiple stages, which are interconnected; or   (c) the insert ( 5 ) comprises a filling of a permeable, food-grade material having honeycombs or cells.   
     
     
         2 . Drinking bottle according to  claim 1 , characterised in that the bag ( 5 ) is fitted in a sealing manner against the inside wall of the drinking bottle. 
     
     
         3 . Drinking bottle according to  claim 2 , characterised in that the bag ( 5 ) has an upper sealing edge ( 6 ). 
     
     
         4 . Drinking bottle according to  claim 1 , characterised in that the bag ( 5 ) is releasably connected to the drinking valve ( 3 ). 
     
     
         5 . Drinking bottle according to  claim 1 , characterised in that the bag ( 5 ) is supported on a support element ( 7 ), in particular a piston guided against the wall of the case ( 1 ). 
     
     
         6 . Drinking bottle according to  claim 1 , characterised in that the bag ( 5 ) is a bellows. 
     
     
         7 . Drinking bottle according to  claim 1 , characterised in that the expansion element ( 8 ) is a bellows. 
     
     
         8 . Drinking bottle according to  claim 1 , characterised in that the expansion element ( 8 ) is a spring element, in particular a helical spring. 
     
     
         9 . Drinking bottle according to  claim 1 , characterised in that the expansion element ( 8 ) is a balloon under pressure. 
     
     
         10 . Drinking bottle according to  claim 1 , characterised in that the insert ( 5 ) comprises multiple stages ( 11 ) with flaps ( 12 ) that seal in the closed state. 
     
     
         11 . Drinking bottle according to  claim 1 , characterised in that the insert ( 5 ) comprises multiple stages ( 11 ) with a central through-hole. 
     
     
         12 . Drinking bottle according to  claim 1 , characterised in that the insert ( 5 ) comprises a filling ( 13 ) with a central passage ( 14 ). 
     
     
         13 . Drinking bottle according to  claim 1 , characterised by a drinking membrane arranged at the valve ( 3 ) or by a drinking straw. 
     
     
         14 . Drinking bottle according to  claim 13 , characterised in that the valve ( 3 ) is adjustable for taking the drinking fluid by tilting the bottle, by sucking through a membrane and/or by drinking through a drinking straw. 
     
     
         15 . Drinking bottle according to  claim 1 , characterised in that the dome ( 2 ) with the drinking valve ( 3 ) is screwed to the case ( 1 ). 
     
     
         16 . Drinking bottle according to  claim 1 , characterised by an air inlet for pressure equalisation. 
     
     
         17 . Drinking bottle according to  claim 1 , characterised in that the insert ( 5 ) consists of a plastics material which is suitable for foods.