Distributor for pasty to flowable materials

Abstract

Dispenser (Sp) for pasty to flowable substances (M), the dispenser comprising a dimensionally stable container having a mouthpiece, a bag located within the container, and a mouthpiece pump; wherein a filling volume of the dispenser is held by the container ( 1 ), at least half of which comprises the bag ( 10 ) which, when emptied from the mouthpiece, collapses into one container half ( 2 ); and wherein the bag ( 10 ) collapses on account of a negative emptying pressure produced by the mouthpiece pump (P).

1 - 9 . (canceled)  
   
   
       10 . Dispenser (Sp) for pasty to flowable substances (M), the dispenser comprising a dimensionally stable container having a mouthpiece, a bag located within the container, and a mouthpiece pump; wherein a filling volume of the dispenser is held by the container ( 1 ), at least half of which comprises the bag ( 10 ) which, when emptied from the mouthpiece, collapses into one container half ( 2 ); and wherein the bag ( 10 ) collapses on account of a negative emptying pressure produced by the mouthpiece pump (P).  
   
   
       11 . Dispenser according to  claim 10 , wherein an outwardly protruding edge ( 11 ) of the bag ( 10 ) in the region of an equatorial connecting joint ( 12 ) of two container shell halves ( 2 ,  3 ) is held in a flange-like manner, one half ( 2 ) carrying the emptying mouthpiece pump (P) in an apex region.  
   
   
       12 . Dispenser according to  claim 10 , wherein a grid ( 21 ) is disposed in front of a passage region ( 13 ) between container shell half ( 2 ) and emptying mouthpiece pump (P), to support the collapsed bag ( 10 ).  
   
   
       13 . Dispenser according to  claim 10 , wherein the shell half ( 2 ) equipped with the emptying mouthpiece pump (P) has on its inner surface supporting ribs ( 25 ) for the bag ( 10 ), preferably reaching as far as the passage region ( 13 ).  
   
   
       14 . Dispenser according to  claim 10 , wherein the bag ( 10 ) has a slightly stabilized base area ( 26 ).  
   
   
       15 . Dispenser according to  claim 12 , wherein an inlet opening, adjoining the passage region ( 13 ), of the emptying mouthpiece pump (P) is formed as a web-interrupted annular opening ( 34 ), running concentrically and coaxially in relation to the bag ( 10 ).  
   
   
       16 . Dispenser according to  claim 15 , wherein the annular opening ( 34 ) is formed by a ring of holes.  
   
   
       17 . Dispenser according to  claim 15 , wherein the annular opening ( 34 ) is disposed in the base of a collecting funnel ( 46 ) diverging counter to the direction of delivery (arrow y) of the substances (M), said base of the funnal also providing a pump chamber base ( 30 ).  
   
   
       18 . Dispenser according to  claim 15 , wherein the diameter of the annular opening ( 34 ) substantially correspohds to the diameter of the passage region ( 13 ) or grid ( 21 ).