Closure for an elastically recovering container

Abstract

The invention relates to a closure (V) for an elastically recovering container ( 5 ), with a self-sealing closure unit (V), comprising a membrane (M). According to the invention, a constructionally simple and functionally secure solution may be achieved, whereby the membrane (M) is planar in form before assembly and is clamped in place in the closure (V) along the periphery thereof and thus comprises a displacement (arrow x) in cross-section.

1 . Closure (V) for an elastically recovering container ( 5 ), having a self-closing closure unit (V) with a membrane (M), characterized in that the membrane (M) is formed with a planar surface prior to installation and is secured with clamping action around the periphery in the closure (V), being deflected (arrow x) in cross-section in the process.  
     
     
         2 . Closure according to  claim 1  or in particular according thereto, characterized in that the deflection (arrow x) is directed toward the inside of the container.  
     
     
         3 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the membrane (M) has a central dispensing slit ( 9 ).  
     
     
         4 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the membrane (M) is secured with clamping action between an upper closure part (O) and a lower closure part (U).  
     
     
         5 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the lower closure part (U) forms a clamping edge ( 11 ) on its clamping periphery ( 10 ).  
     
     
         6 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O), starting from a clamping zone formed by the clamping periphery ( 10 ) of the lower closure part (U), extends centrally inward and, directed toward the container ( 5 ), runs to a location beneath the clamping periphery ( 10 ).  
     
     
         7 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the clamping periphery ( 10 ) is formed by the free end of a tube ( 16 ) which is rooted in the lower closure part (U).  
     
     
         8 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the clamped-in membrane (M) is tensioned in the manner of an eardrum in its central, free region ( 13 ).  
     
     
         9 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the dispensing slit ( 9 ) of the clamped-in membrane (M) has slit flanks ( 15 ) which, in cross-section, run in a V-shaped manner in relation to one another and butt against one another in the region of the V-root.  
     
     
         10 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O) and the lower closure part (U) combined are disposed in a rotatable manner in a closure mount ( 18 ).  
     
     
         11 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O) and the lower closure part (U) combined can be moved about a fixed axis of rotation (y).  
     
     
         12 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the combined upper closure part (O) and lower closure part (U) can be rotated between a dispensing position and a secured transporting position.  
     
     
         13 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the lower closure part (U), together with the membrane (M), the tube ( 16 ) and a base ( 24 ), forms a discharge space ( 25 ) which has a through-passage opening ( 20 ) in the base.  
     
     
         14 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the pivoting capability of the upper closure part (O) and lower closure part (U) combined, on the one hand, makes it possible for the through-passage opening ( 20 ) in the base to be aligned with an opening ( 21 ) of the storage space ( 22 ) of the container ( 5 ) and, on the other hand, allows this opening ( 21 ) to be closed by a wall portion ( 23 ), and if appropriate one such of the base ( 24 ), of the joined-together upper closure part (O) and lower closure part (U).  
     
     
         15 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that an actuating protrusion ( 27 ) is formed on the upper closure part (O) for the purpose of pivoting the upper closure part (O) with the lower closure part (U) about the axis of rotation (y).  
     
     
         16 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the closure mount ( 18 ), in the region of its opening ( 29 ), has a flexibly attached collar ( 28 ) which secures the unit comprising the upper closure part (O) and lower closure part (U).  
     
     
         17 . Closure according to one or more of the preceding claims or in particular according thereto, in that the collar ( 28 ), when demolded, is aligned with a cylindrical connecting region ( 30 ) of the closure mount ( 18 ).  
     
     
         18 . Closure according to one or more of the preceding claims or in particular according thereto, in that the collar ( 28 ) is molded on integrally, allowing for a weak point ( 31 ) in the direction of the closure-mount opening ( 29 ), and can be folded in with snap action so as to be inclined in the direction of the interior of the container ( 5 ).  
     
     
         19 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the collar ( 28 ) is formed in an encircling manner without any interruptions.  
     
     
         20 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that, with the exception of the collar ( 28 ), the closure mount ( 18 ) is formed in the manner of a goblet.  
     
     
         21 . Closure according to one or more of the preceding claims or in particular according thereto, in that the closure mount ( 18 ) has an attachment nozzle ( 32 ) which is oriented centrally in the direction of the container ( 5 ) and has container-side nozzle tapering ( 33 ).  
     
     
         22 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O) and lower closure part (U) combined, at least in part, has a cross-sectionally circular surface line, adapted to the closure mount ( 18 ).  
     
     
         23 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O) and lower closure part (U) combined, at least in part, has a spherical surface.  
     
     
         24 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O) combined with the lower closure part (U), in part, has a surface configuration which differs from the circular or spherical shape by way of a flattened portion ( 34 ).  
     
     
         25 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the flattened portion ( 34 ) is located on that region of the combined upper closure part (O) and lower closure part (U) which is oriented outward when the closure is in a position in which it is secured for transportation.  
     
     
         26 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that, possibly also with the upper closure part (O) and lower closure part (U) located in the secured transporting position, the closure (V) has a flattened portion ( 34 ) on the upper side for use in the case of an upside-down bottle.  
     
     
         27 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the lower closure part (U) is rigidly connected to the closure mount ( 18 ).  
     
     
         28 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the upper closure part (O) has a pivotable closure cap ( 39 ) gripping over it.  
     
     
         29 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the closure cap ( 39 ) has a discharge opening ( 40 ) which is to be aligned with a dispensing opening ( 37 ) of the upper closure part (O).  
     
     
         30 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the closure cap ( 39 ) can be moved in to a transporting position, in which the dispensing opening ( 37 ) has a subregion of the closure cap ( 39 ) gripping over it with sealing action.  
     
     
         31 . Closure according to one or more of the preceding claims or in particular according thereto, in that the discharge opening ( 40 ) is formed directly on a bushing-like formation of the closure cap ( 39 ).  
     
     
         32 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that, on account of the bushing-like formation, the collar ( 28 ) forms a movement-limiting means for the closure cap ( 39 ).  
     
     
         33 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that, without an upper closure part (O) and a lower closure part (U) being provided, the closure cap ( 39 ) interacts directly in a sealing manner with the opening ( 21 ) of the closure mount ( 18 ).  
     
     
         34 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the closure cap ( 39 ) has a circular cross-section which is adapted to the lower hollow spherical region of the closure mount ( 18 ).  
     
     
         35 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the closure cap ( 39 ) has a sphere truncated in the manner of a secant or is in the form of a spherical segment.  
     
     
         36 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the closure cap ( 39 ) is in the form of a cylinder truncated in the manner of a secant.  
     
     
         37 . Closure according to one or more of the preceding claims or in particular according thereto, characterized in that the secant ( 41 ), in relation to the discharge opening ( 40 ), is located on the far side of the axis of rotation (y).  
     
     
         38 . Membrane M for forming a self-closing valve in a container closure V according to the preamble of  claim 1  or according to  claim 1 , characterized by the membrane (M) being punched out of a membrane blank ( 6 ) produced with a planar surface.  
     
     
         39 . Membrane according to  claim 38  or in particular according thereto, characterized in that the membrane (M) has a polygonal periphery line ( 8 ).  
     
     
         40 . Membrane according to one or more of the preceding claims or in particular according thereto, characterized in that the membrane (M) has a uniform hexagonal periphery line ( 8 ).