DE102013214227B4 - Discharge device with closure - Google Patents

Abstract

Discharge device for discharging a medium, in particular a pasty medium, comprising - an elastically and / or plastically deformable media container (2) having an opening, - a the opening of the media container (2) closing end element (3) with an outlet opening (30) of a elastically deformable material and - a valve body (20) closing the outlet opening (30) in a closed position, integral with the media container (2), the closure element (3) being provided on a cap (4) connectable to the media container (2) and wherein the closure element (3) is movable at least partially relative to the valve body (20) for opening the outlet opening (30) and discharging the medium due to an internal pressure in the media container (2) against a restoring force, characterized in that the cap ( 4) a base body (40) and one to the main body (40) pivotally hinged, the Ausla ssöffnung (30) in a closed position covering and relative to the outlet opening (30) for opening movable cover (41).

Description

The invention relates to a discharge device for discharging a medium, in particular a pasty medium, comprising an elastically and / or plastically deformable media container having an opening, a closing element closing the opening of the media container with an outlet opening and a valve body closing the outlet opening in a closed position End element at least partially relative to the valve body for opening the outlet opening and discharging the medium due to an internal pressure in the media container against a restoring force is movable.

Elastic and / or plastically deformable containers for a pasty medium are known, for example, as so-called pressure bottles (English: squeeze bottle) or tubes, wherein an internal pressure in the media container is increased by a deformation of the media container and thus a discharge of the medium is effected.

At an opening of the media container is usually a lid member can be snapped or screwed, through which the media container is closed when not in use.

In particular, tubes for ointments, cream, pastes or the like usually have no additional closure. If the cover element is not used properly, drying or contamination of the product may therefore occur.

Self-closing closures are therefore known for so-called pressure bottles. In the context of the application, a self-closing closure is termed a closure which closes when an actuating force is removed.

A self-closing closure is for example from the document WO 95/26306 A1 The closure has a closure cap with an elastic sealing element inserted therein. The sealing element has an outlet opening or dispensing opening and cooperates with a valve body for closing this outlet opening. The cap is designed as a screw cap, plug-in closure or bounce closure and is connected to a container after filling the container. The sealing element is received according to this prior art between a support member and a mounting flange on the closure lid. At the same time, the support element also serves as a valve body for closing the outlet opening.

From the document DE 66 01 374 U an automatic closure for tubes, bottles, cans or similar containers of a rigid material is known, wherein an elastic closure cap is mounted with an outlet opening on the container, which abuts in a closed position to a closure mandrel provided on the container.

Task and solution

The object of the invention is to provide a montage-friendly packaging for a pasty medium, which is also suitable for a desiccating or decomposing medium, in particular a cosmetic medium.

This object is solved by the subject matter of claim 1. Advantageous embodiments emerge from the subclaims.

According to a first aspect, a discharge device for discharging a medium, in particular a pasty medium, is provided, comprising an elastically and / or plastically deformable media container having an opening, an opening of the media container occluding closure element with an outlet opening of an elastically deformable material and the Outlet opening in a closed position, integrally formed with the media container valve body, wherein the closing element at least partially relative to the valve body to open the outlet opening and for discharging the medium due to an internal pressure in the media container against a restoring force is movable, the closing element at one with the media container connectable cap is provided, and the cap a base body and a hinged to the body pivoted, the outlet opening in a closed position covering and relative to de r outlet opening for opening movable cover has.

The lid can be latched in one embodiment in the closed position with the main body of the cap. In one embodiment, the lid has an integrity protection, for example a seal.

Viscous or creamy liquids, suspensions and / or fluids, water-in-oil emulsions (W / O emulsions), oil-in-water emulsions (O / W emulsions), oleogels are used as pasty media in the sense of the application , Hydrogels or the like. In particular, these are cosmetic media, such as skin care products, lotions, hair gels, washing gels or the like.

Such a medium is stored in the elastically and / or plastically deformable media container, wherein for discharging the medium, an internal pressure in the media container is increased by deforming the media container. Due to the internal pressure, the closing element is moved relative to the valve body, so that the outlet opening is released and the medium can be discharged.

The closing element is used for sealing sealing of the media container. In addition, the discharge device in advantageous embodiments, no additional sealed joints. As a result, additional sealing elements or the like can be omitted.

The fact that the valve body is formed integrally with the media container, a particularly simple assembly of the discharge is possible due to the small number of components.

As a one-piece design is both a one-piece production as an injection molded part, as well as a multi-part manufacturing, in which the items are connected before assembly to a component, in particular welded or glued, called.

The closing element is formed of an elastically deformable material. The restoring forces are applied by the elasticity of the closing element. Such a terminating element is also referred to as a membrane. By a choice of material and / or a choice of a thickness of the end element while the opening of the discharge counteracting restoring force is suitably adjustable. The end element is in one embodiment in the direction of the valve body in an unloaded state, d. H. without applied external forces, arched.

The closure element is provided in one embodiment in a lockable with the media container cap.

In one embodiment, the media container has a supporting structure which carries the valve body and is arranged in the opening. The support structure is in one embodiment separately from the media container of a suitable material, for example made of polyethylene (LDPE). In other embodiments, the media container with the support structure as a part, in particular an injection molded part, for example, as a multi-component injection molded part is made.

It is provided in one embodiment that the support structure is formed as a disk-shaped support structure with at least one recess, preferably with two or more recesses. The recesses serve in one embodiment a passage of the medium.

The medium is thereby at least partially conveyed through the recesses and then acts on the closing element for moving the closing element against the restoring force. In another embodiment, the recesses are closed by means of a membrane, wherein between the membrane and the end element, a pressure chamber is formed. The pressure in the pressure chamber is also increased due to an increased internal pressure in the media container. By a suitable design of the recesses and / or by a suitable size of the individual recesses and / or a number of recesses, a pressure in the pressure chamber, which acts on the closing element, can be influenced.

As an alternative to a disk-shaped support structure, in another embodiment it is provided that the support structure has at least two, preferably three or more, webs connecting the valve body to an edge of the media container. The number and arrangement of the webs is suitably designed to ensure that the valve body is mounted stationary relative to the media container.

The valve body is designed in one embodiment with a flat surface on which the end element rests with the outlet opening. In advantageous embodiments, the valve body is designed as a projecting from an interior of the media container spigot. The design of the pin and the outlet opening are adapted to each other, so that the pin is inserted into the outlet opening and an edge of the outlet opening rests against the pin for closing the outlet opening. The pin serves at the same time as a flow-guiding agent for the pasty medium during a discharge.

The media container is designed in one embodiment as an elastically deformable bottle. In advantageous embodiments, the media container is designed such that it collapses with a discharge of the medium, d. H. that its volume adapts to a remaining content. The media container is designed in one embodiment as a bellows.

In an advantageous embodiment, the media container is designed as a tube comprising a tube main body and a tube shoulder having the valve body. In this case, the tube shoulder is a region of the tube which has an increased stiffness relative to the tube main body and to which an opening of the tube is arranged. The tube main body and the Tubular shoulder are made in one embodiment as a common component. In other embodiments, the tube main body and the tube shoulder are made of different materials and connected to each other after manufacture, in particular permanently connected, such as welded or glued. In one embodiment, a diameter of the tube main body is substantially equal to a diameter of the tube shoulder. In other embodiments, a tube shoulder, in particular in the region of an opening of the medium container has a smaller diameter. A filling of the tube is preferably carried out from an opposite end of the opening. This end is closed after filling. A closing takes place depending on the material of the tube by welding or folding.

The cap is made in one embodiment of a material having a high elasticity. In other embodiments, the cap is manufactured as a multi-component injection-molded part, comprising a base body to be fastened to the media container of a first material and the end element of a second material, wherein the second material has a higher elasticity.

Brief description of the drawings

Other aspects and advantages of the invention will become apparent from the claims and from the following description of an embodiment of the invention. Showing:

1 an exploded view of a discharge device according to the invention comprising a media container and a cap with an open lid;

2 a perspective view of the discharge according to 1 with a closed lid;

3 a perspective view of the discharge according to 1 with the lid open;

4 the discharge according to 2 in a sectional view and

5 the discharge according to 3 in a cut view.

Detailed description of the embodiment

The 1 to 5 show an embodiment of a discharge device 1 according to the application.

The discharge device 1 comprises a designed as a tube, elastically and / or plastically deformable media container 2 , which can be filled with a pasty medium, not shown.

To close the media container 2 is a final element 3 with an outlet opening 30 intended. In one in the 2 to 5 illustrated closed position of the discharge 1 lies the final element 3 on a valve body 20 at.

The illustrated final element 3 is designed as a membrane made of an elastically deformable material. Due to an elastic restoring force becomes the final element 3 without fitting external forces in the direction of the valve body 20 forced. To open the outlet opening 30 and discharging the medium is the final element 3 deformable and in the area of the outlet opening 30 against the restoring force away from the valve body 20 movable.

In the illustrated embodiment, the designed as a tube media container comprises 2 a tube shoulder 21 , which at its free end a disc-shaped support structure 22 for the valve body 20 having. The final element 3 is at one of the media container 2 opposite side of the support structure 22 arranged. The valve body 20 is designed in the illustrated embodiment as a pin, which of the support structure 22 protrudes in a direction away from the interior of the media container.

A form of the supporting structure 22 is due to the shape of the opening of the media container 2 customized. In the illustrated embodiment, a circular opening and correspondingly a circular disk-shaped support structure 22 intended. The disc-shaped support structure 22 has several, in the illustrated embodiment, eight recesses 23 on. The recesses 23 are in the illustrated embodiment in the circumferential direction of the circular disk-shaped support structure 22 arranged evenly distributed. The recesses 23 are each designed as a circle segment and each extend substantially in the radial direction, starting from the center of the support structure 22 arranged valve body 20 , Other configurations and / or arrangements are conceivable.

The designed as a tube media container 2 has a sealed seam at one end opposite the opening 24 or a tube fold.

The illustrated cover 3 is one-piece with a cap 4 designed. The cap 4 is on the media container 2 , more precisely the tube shoulder 21 of the media container 2 attachable or latchable. The cap 4 has a main body for this purpose 40 whose shape and size correspond to a shape and size of the tube shoulder 21 is adjusted. In the illustrated embodiment, the main body is used 40 also as a sealing element to the media container 2 , allowing for additional sealing elements between the media container 2 and the cap 4 can be waived. In this case, in one embodiment, the elastic material properties of the one-piece with the cover 3 designed cap 4 used for a sealing effect. The frictional forces between the body 40 and the tube shoulder 21 are higher than one on the final element 3 due to the internal pressure to open acting force. In other embodiments, the body is 40 made of a stiffer material than the cover 3 and with the tube shoulder 21 locked. The cover element 3 Also, in this embodiment, preferably additionally acts as a sealing element for sealing a gap between the main body 40 and the media container 2 ,

In the illustrated embodiment, the cap 4 continue one to the main body 40 pivotable hinged lid 41 on. A joint between the main body 40 and the lid 41 is here as a film hinge 42 designed. The lid 41 has a lead 43 on, by means of which - how best in 4 recognizable - in the closed state, the final element 3 in the direction of the valve body 20 is forced.

In the illustrated embodiment is also provided that the lid 41 in the closed state with the main body 40 by means of complementary locking elements 44 is detachably connected. Between the lid 41 and the body 40 is still a seal of integrity 45 provided, which before a first opening of the lid 41 to remove.

As described above, the media container is used 2 for storing a medium. Next serves a part of the media container 2 , more precisely, the supporting structure 22 with the valve body 20 as a functional part of the discharge.

To discharge the medium, a force is applied to the media container 2 applied, leaving the media container 2 deformed and an internal pressure in the media container 2 is increased. Due to the increased internal pressure, the medium through the recesses 23 in the supporting structure 22 promoted. The internal pressure of the medium acts on the closing element 3 so that the final element 3 at least partially relative to the valve body 20 away from the media container 2 is moved against the elastic restoring force.

In summary, according to the invention, a discharge device 1 with a medium container which can be deformed to discharge a medium 2 created, wherein the discharge device 1 having a self-closing closure device. The closure device is through an opening of the media container 2 closing end element 3 with an outlet opening 30 and a cooperating valve body 20 formed, without acting forces the final element 3 in the direction of the valve body 20 is forced, leaving the outlet opening 30 is closed. By acting forces is the final element 3 relative to the valve body 20 movable. The valve body 20 is in one piece with the media container 2 designed. As a result, a montage friendly design is created, with leaks are avoided.

To fill the cap 4 with the terminating element arranged therein 3 on the media container 2 put on and the media container 2 gets from one of the cap 4 opposite end attacks. Subsequently, this end is through the sealed seam 24 locked. The discharge is thus for filling as a conventional tube handled and filling is possible by known filling devices.

Claims (8)

Discharge device for discharging a medium, in particular a pasty medium, comprising - an elastically and / or plastically deformable media container ( 2 ) with an opening, - an opening of the medium container ( 2 ) closing end element ( 3 ) with an outlet opening ( 30 ) of an elastically deformable material and - an outlet opening ( 30 ) in a closed position, one-piece with the media container ( 2 ) formed valve body ( 20 ), wherein the closing element ( 3 ) at one with the media container ( 2 ) connectable cap ( 4 ) is provided, and wherein the closing element ( 3 ) at least partially relative to the valve body ( 20 ) for opening the outlet opening ( 30 ) and discharge of the medium due to an internal pressure in the media container ( 2 ) is movable against a restoring force, characterized in that the cap ( 4 ) a basic body ( 40 ) and one to the main body ( 40 ) pivotally hinged, the outlet opening ( 30 ) in a closed position covering and relative to the outlet opening ( 30 ) for opening movable lid ( 41 ) having. Discharge device according to claim 1, characterized in that the cap ( 4 ) with the media container ( 2 ) is latched. Discharge device according to claim 1 or 2, characterized in that the media container ( 2 ) a the valve body ( 20 ) carrying, disposed in the opening support structure ( 22 ) having. Discharge device according to claim 3, characterized in that a disc-shaped support structure ( 22 ) with at least one recess ( 23 ) is provided. Discharge device according to claim 4, characterized in that two or more recesses ( 23 ) are provided. Discharge device according to claim 3, characterized in that the support structure at least two the valve body ( 20 ) with an edge of the media container ( 2 ) has connecting webs. Discharge device according to one of claims 1 to 6, characterized in that the valve body ( 20 ) as one from an interior of the media container ( 2 ) projecting pin is designed. Discharge device according to one of claims 1 to 7, characterized in that the medium container as a tube comprising a tube main body and a valve body ( 20 ) having tube shoulder ( 21 ) is trained.

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