Self-closing valve

Abstract

Self-closing valve (V) for dispensing a product, including a liquid or pasty product ( 6 ), the valve having a valve diaphragm ( 1 ), the valve diaphragm ( 1 ) being of convex shape, as seen from the product side, at least in the dispensing region ( 2 ); and wherein the valve diaphragm ( 1 ) has, on its periphery, a holding ring ( 5 ) which is formed by encapsulation.

1 - 34 . (canceled)  
   
   
       35 . Self-closing valve (V) for dispensing a product, including a liquid or pasty product ( 6 ), the valve having a valve diaphragm ( 1 ), the valve diaphragm ( 1 ) being of convex shape, as seen from the product side, at least in the dispensing region ( 2 ); and wherein the valve diaphragm ( 1 ) has, on its periphery, a holding ring ( 5 ) which is formed by encapsulation.  
   
   
       36 . Self-closing valve according to  claim 35 , wherein the valve diaphragm ( 1 ) has a dispensing slit ( 4 ), walls ( 4 ′) of the dispensing slit ( 4 ) opening in a gap-like manner on the product side.  
   
   
       37 . Self-closing valve according to  claim 36 , wherein the gap base ( 8 ), and the slit walls ( 4 ′) butt against one another.  
   
   
       38 . Self-closing valve according to  claim 35 , wherein the convex shape resists inner stressing to which the valve diaphragm ( 1 ) is subjected.  
   
   
       39 . Self-closing valve according to  claim 35 , wherein the valve diaphragm ( 1 ) is of convex shape throughout as far as the peripheral region ( 9 ).  
   
   
       40 . Self-closing valve according to  claim 35 , wherein the holding ring ( 5 ) is formed in a cross-sectionally U-shaped form in order to enclose an outer periphery ( 10 ) of the valve diaphragm ( 1 ).  
   
   
       41 . Self-closing valve according to  claim 35 , wherein, extending from the holding ring ( 5 ), are securing spigots ( 11 ) which engage through the valve diaphragm ( 1 ).  
   
   
       42 . Self-closing valve according to  claim 40 , wherein the U-legs ( 12 ,  13 ) of the holding ring ( 5 ) are formed to be of different lengths.  
   
   
       43 . Self-closing valve according to  claim 42 , wherein the U-leg ( 12 ) of the holding ring ( 5 ), which is directed away from the product, is formed to be longer than the U-leg ( 13 ), which is directed toward the product.  
   
   
       44 . Self-closing valve according to  claim 35 , wherein the holding ring ( 5 ) has a latching recess ( 19 ) for latching the valve (V) into a dispensing container ( 14 ).  
   
   
       45 . Self-closing valve according to  claim 44 , wherein the latching recess ( 19 ) is associated with the U-web ( 24 ).  
   
   
       46 . Self-closing valve according to  claim 35 , wherein the valve diaphragm ( 1 ) consists of silicone.  
   
   
       47 . Self-closing valve according to  claim 46 , wherein the valve diaphragm ( 1 ) consists of TPE.  
   
   
       48 . Self-closing valve according to  claim 35 , wherein the valve diaphragm ( 1 ) is produced with the holding ring ( 5 ) by two-component injection molding.  
   
   
       49 . Self-closing valve according to  claim 35 , wherein the valve diaphragm ( 1 ) consists of a plastics sheet material.  
   
   
       50 . Self-closing valve according to  claim 49 , wherein the plastics sheet material is multilayered.  
   
   
       51 . Self-closing valve according to  claim 50 , wherein the plastics sheet material is a material combination of the multilayered plastics sheet material.  
   
   
       52 . Self-closing valve according to  claim 35 , wherein, on the product side, the valve diaphragm ( 1 ), in its dispensing region ( 2 ), has a plate part ( 25 ) positioned beneath it.  
   
   
       53 . Self-closing valve according to  claim 52 , wherein the plate part ( 25 ) is formed integrally with the holding ring ( 5 ).  
   
   
       54 . Self-closing valve according to  claim 52 , wherein the plate part ( 25 ) is attached resiliently relative to the valve diaphragm ( 1 ).  
   
   
       55 . Self-closing valve according to  claim 52 , wherein the plate part ( 25 ) is attached to the holding ring ( 5 ) outside a dispensing slit ( 4 ) of the valve diaphragm ( 1 ) in the radial direction.  
   
   
       56 . Self-closing valve according to  claim 55 , wherein the dispensing slit ( 4 ), along a diameter extent, projects beyond the region of overlap with the plate part ( 25 ).  
   
   
       57 . Self-closing valve according to  claim 52 , wherein on its surface ( 26 ), which is directed toward the valve diaphragm ( 1 ), the plate part ( 25 ) is of curved configuration in adaptation to the convex profile of the valve diaphragm ( 1 )  
   
   
       58 . Self-closing valve according  claim 52 , wherein, with the exception of resilient attachment arms ( 28 ), the holding ring ( 5 ) has an outline in plan view which differs from the circular shape of the plate part ( 25 ).  
   
   
       59 . Self-closing valve according to  claim 35 , wherein the radius of curvature of the valve diaphragm corresponds approximately to 0.8 to 1.4 times the chord height of the spherical segment shell of the edge-secured valve diaphragm ( 1 ).  
   
   
       60 . Self-closing valve according to  claim 52 , wherein the plate part ( 25 ) is disposed such that it can be moved relative to the valve diaphragm ( 1 ).  
   
   
       61 . Container closure according to  claim 35 , wherein, integrally formed on the container closure is a swing lid ( 32 ) which, in the closed state, acts on the valve diaphragm ( 1 ) by way of a holding-down means ( 36 ).  
   
   
       62 . Container closure with a plate part according to  claim 52 , wherein the plate part ( 25 ) and integrally formed resilient attachment arms ( 28 ) can be pressed against one another with closing action so as to prevent substance from escaping.  
   
   
       63 . Container closure according to  claim 62 , wherein the plate part ( 25 ) and the resilient arms ( 28 ) attached thereto can be adjusted in relation to one another such that a closed state is achieved independently of the valve diaphragm ( 1 ).  
   
   
       64 . Container closure according to  claim 62 , wherein, integrally formed on the plate part ( 25 ) is a radially outwardly projecting closure shield ( 43 ) against which the resilient attachment arm ( 28 ) can be drawn with closing action.  
   
   
       65 . Container closure according to  claim 62 , wherein, integrally formed on the holding ring ( 5 ) and/or a wall ( 44 ) of the dispensing container (B) is an inwardly projecting closure shield ( 45 ) against which a resilient attachment arm ( 28 ) can be drawn with closing action.  
   
   
       66 . Container closure according to  claim 62 , wherein, formed on a resilient attachment arm ( 28 ) is a guide flange ( 46 ) which projects on the product side and interacts with a run-on slope ( 47 ) of a wall ( 44 ) of the dispensing container (B).  
   
   
       67 . Self-closing valve (V) for dispensing a product which is a liquid or pasty product ( 6 ), having a valve diagram ( 1 ), wherein the valve diaphragm ( 1 ) has, on the periphery, a holding ring ( 5 ) and, wherein, further the holding ring ( 5 ) has a latching recess ( 19 ) for latching the valve (V) into a dispenser container ( 14 ).  
   
   
       68 . Self-closing valve (V) for dispensing a product, including a liquid or pasty product ( 6 ), the valve having a valve diaphragm ( 1 ), the valve diaphragm ( 1 ) being of convex shape, as seen from the product side, at least in the dispensing region ( 2 ); and wherein the valve diaphragm ( 1 ) has, on its periphery, a holding ring ( 5 ) which encloses a periphery of the valve diaphragm.  
   
   
       69 . The combination of a self-closing valve (V) and a container for dispensing a product, including a liquid or pasty product ( 6 ), the valve having a valve diaphragm ( 1 ), the valve diaphragm ( 1 ) being of convex shape, as seen from the product side, at least in the dispensing region ( 2 ); and wherein the valve diaphragm ( 1 ) has, on its periphery, a holding ring ( 5 ) which encloses a periphery of the valve diaphragm and secures the valve diaphragm to the container.