RU1836263C - Container for fluid medium - Google Patents

Abstract

Usage: when stored in a viscous fluid in containers. SUMMARY OF THE INVENTION: a container includes a compressible chamber for a fluid 21. Having at least one flexible portion 24 and an opening hermetically connected to a dispenser 26 configured to create negative pressure to suck out the fluid from the chamber 21 and discharge it while compressing the chamber for a fluid of 21, 7.s.p.

Description

The invention relates to a fluid container including a compressible. a fluid chamber for holding preferably a viscous fluid. The fluid chamber includes at least one flexible portion and an opening hermetically connected to a dispenser for dispensing a fluid contained in the chamber.

There is a need for a container for storing preferably viscous fluid, in particular liquid detergents, which allows for the distribution of the fluid without the risk of any foreign substances or biological organisms entering it. Such a container should be easy to manufacture, practical to use, it should be easy to install anywhere and have an attractive appearance.

The container of the invention includes a compressible fluid chamber having at least one flexible part and an opening hermetically connected to the exhaust device.

with the possibility of creating negative pressure to draw fluid from the fluid chamber to eject it while compressing the fluid chamber itself. A protruding device is provided extending into the fluid chamber adjacent to the outlet, preferably around this orifice, to prevent any part of the flexible portion of the fluid chamber from blocking the outlet. This also prevents the formation of pockets with a fluid that are not in contact with the fluid outlet. The filled fluid chamber has a spherical shape, thereby maximizing the economy of the material of which it is made and its maximum strength. The flexible portion of the chamber should be at least half of it, which allows the full ejection of its contents.

The entire fluid chamber is made of flexible material. From the point of view

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manufacturability, it is particularly preferred that the fluid chambers are made of two uniformly sized flexible sheets joined together along the edge, for example by welding or gluing. One of the sheets is formed with a hole, preferably in its central part. Thus, if the fluid chamber is spherical, the hole will represent one of the poles of the ball, and the joint between the sheets (e.g., weld) will represent the equator.

The container, consisting of a compressible fluid chamber and hermetically connected to the dispenser, will be an operable device, however, it is preferable that the container also has a rigid housing in which to place the fluid chamber. Preferably, the housing has a front shell having an opening for the dispenser and a back shell. The front shell is best made with a cut extending from the edge of the shell to the opening of the convex device. Moreover, the cut can be extended to facilitate the installation of the front shell on the fluid chamber. The shells are detachable so that a closed, but gas permeable, spherical cavity enclosing the fluid chamber can be formed. Further, the sheaths are conveniently made to be joined together using some kind of quick-acting lock, for example with a bayonet connector or the like, but threaded connections are also possible. In order to facilitate compression of the fluid chamber while gradually emptying into the above described cavity, air must be provided either at the junction or through the openings.

In another embodiment, a fluid chamber. The medium is made in the form of a front shell and a flexible sheet attached to the front shell, for example by welding. The front shell is performed with

a hole hermetically connected to

distributing device. Preferably, the front sheath and the flexible sheet form substantially equal portions of the fluid chamber. The front sheath could be attached to the back sheath.

The container may be mounted in a holder including a device for attaching the holder to the surface through the back shell of the housing. Device for attaching the holder to the surface

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may include sticky material, however, it is preferred that the holder can be attached to the surface so that it can be detached, for example by means of a suction cup. The holder includes a ring having a through hole and surrounding a protruding device having a biaxial through channel and a coaxial hole with a protruding device mounted in the central part of the suction cup and having a biaxial through channel. The through channels are designed so that a stud or tapered portion can be inserted into them to hold the suction cup in the holder. It is desirable that the through channels are configured such that the central portion of the suction cup rises when a stud or wedge is inserted, thereby increasing the negative pressure in the suction cup and therefore the Holding force. The annular device in this case must have an inner diameter smaller than the outer diameter of the suction cup so that the peripheral part thereof is pressed against the surface on which the installation is carried out. Such a container can be easily attached to any flat surface, such as a wall or a washbasin.

In another embodiment, the outer side of the housing has one or more flat surfaces so. that it can be firmly fixed to a horizontal surface, such as a washbasin, shelf or table. It is also possible to apply a layer of adhesive to one or more flat surfaces.

Any dispenser may be used to provide negative pressure to aspirate the fluid from the container for subsequent discharge. Preferred for which priority is claimed in Swedish applications Nos. W 9000568-7 and 9002753-3. A dispensing device is described comprising a pump, preferably constructed with a mechanically actuated dome, which can create a negative pressure to draw fluid from the fluid chamber and a positive pressure to eject fluid through a passage in communication with the pump, and a non-return valve fluid back to the chamber. The channel has an inlet and an outlet end and fluid flows through it in the axial direction. Moreover, at the outlet end of the channel, a device is provided for opening at a certain internal positive pressure and closing when this positive pressure is released. The channel is formed in a housing consisting of rigid material and is made in the form of a groove having an arched cross section over which a coating of flexible material is located. The edges of the coating extend in the direction of fluid flow and are hermetically attached to the housing, and the coating itself gradually acquires the shape corresponding to the shape of the grooves when viewed towards its outlet end. The coating is pre-stressed, due to which, in the area near the outlet end of the channel, it interacts with the seal with the groove wall, exerting a certain pressure on it. The coating has a thickness increasing towards the lateral edges. The groove, in turn, is made in such a way that its cross section at least at the outlet end is an arc of an imaginary sector of the circle, the angle between the straight lines being in the range from 5 to 40 °, preferably from 20 to 40 °.

The solid parts of the container can be made of injection molded polyethylene (or polypropylene), and the flexible, surfaces can be made of a vacuum molded laminate comprising layers of polyethylene or polypropylene and layers of polyamide or polyester. Flexible parts of the dispenser, i.e. kuppl and coating can be made of thermoplastic polyethylene molded under vacuum. All permanent joints can be made by welding or gluing. It is quite obvious to any person skilled in the art that other manufacturing methods and other structural materials having the necessary properties can be applied.

The container described above has all the advantages of a compressible bag, in particular it is easy to manufacture and use, and a fluid can be obtained from it without any foreign substances or microorganisms entering the container.

Unlike known containers of this type, it can be placed in such a way that the opening for dispensing its contents can be directed in any direction, either up or down. It can be secured either with a lift or permanently on horizontal, vertical or inclined surfaces.

or can be placed directly on a horizontal plane without being attached to it, which provides flexibility of the container with respect to its place of use 5. Since the exterior configuration of the container is outlined with clean lines, it has an attractive appearance.

In FIG. 1 is a cross-sectional view of an empty fluid chamber 10, a top view; Fig. 2 is a cross-sectional view of a filled fluid chamber, side view; on figs and 4 is a front view and a top view, respectively, of the front shell; on, Fig.5 and 6 is a front view and section 5 on the side, respectively, of the rear shell; Fig. 7 is a cross-sectional side view of a container including a filled fluid chamber disposed in a housing; Fig. 8 is a sectional side view of the container.

0 representing another embodiment. ny; in Figs. 9-11, the mounting of the rear shell of the mounting surface is shown in stages; in FIG. 12 is an embodiment in which the outer part of the back shell is provided with flat surfaces; Figures 13a and 13b are a front view of a preferred embodiment of a dispenser; Figs. 14a and 14c are a section taken along lines 1-1 in Figs. 13a and 13b, respectively.

0 In FIG. 1, an empty fluid chamber 21 is shown comprising a flexible sheet 43 in which a hole 25 is formed, to which in turn a pipe end 42 is connected. The connection is made by the method

5 welding. The inlet of the pipe is provided with a protruding device 27 extending into the fluid chamber 2 and surrounds the opening 25. The sheet 43 is attached to the same flexible sheet 24, preferably by welding.

Figure 2 shows a spherical fluid chamber 21 filled with a fluid, for example a liquid detergent, on which the connection 41 between two

5 flexible sheets 24 and 43 runs along the equator of the ball. The dispensing device 26, configured to create negative pressure, is hermetically connected to the end of the pipe 42 through

0 connecting pipe 8. The preferred method of making a chamber for fluid: whose medium shown in FIGS. 1 or 2 is forming two endless sheet tapes, punching holes 25 in a predetermined

5 in one of the sheets and attaching the end of the pipe 42 to the hole 25, joining the two sheets with an annular seam and finally cutting down the finished fluid chamber 21. The joining and punching is performed in the form of a hemisphere in which the sheets are drawn. The result is an empty fluid chamber, shown in Fig. 1. Each fluid chamber 21 may be filled through end pipe 42 before installing dispenser 26.

Figs. 3 and 4 show a front shell 22 made in the form of a hemisphere and having an opening 50 for the dispenser 26 and a slot 51 extending from the opening 50 to its edge. The hole 51 may be expanded to facilitate mounting of the front shell 22 to the fluid chamber 21 having a dispenser 26. The front shell 22 is provided with symmetrically located locking devices 52, which may be of any design, e.g., L-shaped protruding devices.

Figures 5 and 6 show the rear shell 23, made in the form of a hemisphere and equipped with a locking device 53, corresponding to the locking device 52 on the front shell 22. Since the devices 52 and 53 are located symmetrically along the edges of the shells 22 and 23, they can be connected in different positions relative to one another by means of locking devices 52, 53 of the shells 22, 23 themselves.

Fig. 7 shows a container including a fluid chamber 21 mounted in a spherical body. Having a front shell 22 and a rear shell 23 detachably connected and enclosing a fluid chamber 21. Switchgear 25 includes a connecting pipe 8 mounted in the end pipe 42 and hermetically attached to the hole 25. The chamber for the fluid 21 is filled and therefore occupies almost the entire spherical space between the shells 22 and 23. As the fluid is distributed from the chamber itself and the chamber 21 is compressed and atmospheric air penetrates through the connection between the shells 22 and 23 and fills in the gradually increasing space thus formed in the housing. A protruding device 27 extending into the fluid chamber 21 prevents the opening of the bore 25 and thus provides an almost complete discharge of fluid from the chamber 21 ..

On Fig shows another variant of the container. The container includes a casing of two shells practically equal in volume that can be disconnected: the front shell 22 and the back shell 23, forming a closed spherical space enclosing a flexible

sheet 24. A flexible sheet forms with a front shell 22 a fluid chamber 21. A switchgear 26, configured to create negative pressure, is hermetically connected to an opening 25 formed in the front shell 22. The back shell 23 may be the same as in the above embodiment. When filling the fluid chamber 21, it fills almost the entire spherical space. As the fluid escapes, the chamber 23 shrinks and the flexible sheet 24 approaches the inner surface of the front shell5. The decrease in the volume of the fluid chamber is compensated by the air entering the spherical space through the connection between the shells 22 and 23. When the chamber 21 is completely empty , the sheath .23 is pressed firmly against the front sheath 22. The switchgear 26 includes a connecting pipe 8 mounted in the front sheath 22 and hermetically connected to the hole 25, due to a protruding part is formed in the fluid chamber 21. The protruding part has slots 18 that allow fluid to flow even when the sheet

0 24 overlaps the inlet of the connecting pipe 8.

In both the embodiments of Figs. 7 and 8, the back shell 23 is mounted in a holder 28 including an outwardly extending annular device 29 enclosing a protruding sleeve. The annular device 29 and the sleeve 31 are made with biaxial through channels 30, 36. The holder 28 includes a suction cup 32,

0 the central part of which is provided with a protruding pin 33 having a biaxial through channel 34; The inner diameter of the ring device 29 is slightly smaller than the outer diameter of the suction cup

5 32 so that it interacts with the peripheral part of the suction cup. The through channels 30 and 34 are configured such that the central portion of the suction cup 32 is elevated when

0 stud or wedge 35 is made with a pointed front part, is passed through it to install the container with the possibility of its removal.

Figures 9-11 show a phased installation of the rear shell 23 on a flat mounting surface. Firstly, the suction cup 32 is pressed against the surface, after which the holder 28 with the back shell 23 is mounted on the suction cup 32 so that the protruding pin of the suction cup is inserted into the sleeve 31, and the ring 29 holds the peripheral part of the cup- 32 suction cups in place. The through channel 33 of the stud 34 is located slightly below the through channels 30 and 36 in the ring device 29 and the sleeve 31. When the wedge 35 is inserted, the central part of the suction cup 32 is pulled forward so that the through channel 34 is aligned with the through channels 30 and 36. As a result, the negative pressure in the suction cup 32 increases, and consequently, the force required to tear it away from the mounting surface also increases. When the back shell 23, as shown in Fig. 11, is fixedly fixed to the mounting surface, the front shell 22 with the fluid chamber 21 filled with fluid can be attached to it. If the container is to be removed from the mounting surface, the wedge 35 is removed, and then the suction cup is easily released.

In FIG. 12 - the back shell 23 has an outer side made in the shape of a truncated pyramid. In this case, the outer surface of the shell 23 will have 5 flat surfaces 40, which can be used as contact surfaces for installation on a flat mounting surface. If the back casing 23 is sufficiently heavy, the container will be stably held on any of the surfaces 40. One or more flat surfaces 40 may be provided with an adhesive layer.

In FIG. 13 and 14 show a preferred dispenser including a pump 1 and a valve 2. The pump 1 has a mechanically actuated dome 3 of flexible material and a housing 4 of hard material. The dome 3 is hermetically connected to the housing 4 by means of mounting flanges 5 interacting with a groove 6 in the housing 4, the dome 3 and the housing 4 forming a chamber 7, the volume of which may change upon mechanical action of the dome 3, as shown in Fig.13c and 14c. Preferably, the dome has a rectangular shape, which facilitates its deformation. A channel 8 opens into the housing 4, which communicates with the chamber for the fluid 21. The outlet part 8a of the channel 8 forms, with a tongue Za extending from the dome 3, passing in one direction a valve that prevents fluid from the chamber 7 flowing through the channel 8 back into the channel fluid chamber 21.

The valve 2 has a channel 9 extending between the inlet end 9a opening into the chamber 7 and the outlet end 9b and determining the direction of flow of the heap of medium 5, as indicated by arrow 10.

The channel 9 is formed in the housing 11 from a rigid material and has a coating 12 of a flexible material. The housing 11 is integral with the housing 4, and the cover 12 is integral with the dome 3. The housing 11 is made with a groove 13 having an arched cross section and forming an arc of an imaginary sector having an angle of the order of 30 °. how

5 and the dome 3, the cover 12 is hermetically connected to the housing 11 by means of a mounting flange 14, which at the corresponding edges of the cover 12 extends in the direction of flow 10 and interacts with

0 by the corresponding groove 15 in the housing 11. Toward the outlet end 9c, the coating 12 gradually acquires a shape corresponding to the groove 13, and in a certain region hermetically interacts with the wall of the groove 13. Such a tightened interaction is provided as a combination of the concave shape of the coating 12 and its attaching to the housing 11, and the fact that the thickness of the coating in the central part is less than the thickness at the edges, as illustrated in Figs 13a and 13b.

Fluid is discharged from the container as follows. Suppose chamber 7 is filled with fluid

5 from chamber 21 in the container. By mechanical action on the dome 3, which is indicated by the arrow 16 in Figs. 13c and 14c and is carried out, for example, by the hand of a person, a positive pressure is created in the fluid. This positive pressure propagates through the channel 9 and acts on the coating 12, giving it a convex shape in the area where it interacts with the wall of the groove 13, as shown

5 the wife of FIG. 13th century The convex shape is facilitated by the fact that the thickness of the coating is distributed, whereby an opening 17 is formed through which fluid is ejected. Wherein

0, the positive pressure in the chamber 7 and the channel 9 is equalized and the discharge of the fluid is stopped. Due to the fact that the coating .12 occupies a position either convex or bent, the valve 2 acquires strictly

5 is either an open or closed state. Thus, the fluid does not linger between the coating 12 and the wall of the groove 13 after closing the valve, which provides an aseptic seal. As long as

In case of negative pressure, the chamber 21 is automatically closed with a one-way action tab B, 8a, thereby preventing the backflow of fluid into the chamber 21. When the mechanical action on the dome 3 is stopped, it restores its original shape. Due to this, negative pressure is created in the fluid and it is sucked into the chamber 7 from the chamber 21 through the channel 8. The volume of the chamber 21 is reduced due to its compression and air flows into the spherical space through the connection between the shells 22 and 23. When the entire contents of the fluid chamber expended, empty chamber 21 with device 26 is replaced with a full one.

Forms obtained from acquisition

Claims (8)

1. A fluid container comprising a housing and a compressible fluid chamber located therein having at least one flexible portion and a hole sealed to an exhaust device for sucking and discharging fluid from the chamber by creating negative pressure while simultaneously compression chamber, characterized in that it is provided with extending inwardly compressible chamber and protruding means installed in the area of the opening to prevent the opening of the flexible part of the compressible amers, and the outlet device consists of a pump in the form of a mechanically driven dome, capable of creating a negative pressure d / yi of suction of fluid from the chamber, and also capable of creating a positive pressure to discharge the specified fluid through the channel connected to the pump, and the check valve a tab to prevent backflow of medium into the chamber. 2. The container according to claim 1, wherein the housing is made integral, the front part having openings for receiving an outlet device therein, both parts being made to be connected and disconnected and formed closed gas permeable spaces for accommodating a compressible fluid chamber. 3. The container according to claim 2. characterized in that the front part of the housing has a cut made from its edge to the opening for receiving the outlet device. 4. The container according to one of claims 1 to 3, characterized in that the entire wall of the compressible chamber for the fluid made flexible / 5. The container according to one of claims 1 to 2, with reference to and so on. that the compression chamber for the fluid is formed by the front of the housing and the flexible sheet element, while the hole is made in the front of the housing and its edges are hermetically connected to the exhaust device, 6. The container according to one of claims 3 to 5, with reference to and. and with that. what is he equipped a holder consisting of a suction cup for fixing on a removable surface, the central part of which has a protruding device made of a biaxial through channel, and an annular device having a biaxial through channel, the inner diameter of which is smaller than the outer diameter of the suction cup , and which covers a protruding device having a biaxial pass-through channel, and coaxially interacts with a protrusion device made on the suction cup, and the pass-through channels are made for introducing studs or wedges with the possibility of lifting the central part of the suction cup. 7. A container according to any one of claims 3 to 5, characterized in that externally from the body hormone it is provided with one or more flat surfaces mi. 8. The container according to any one of claims 1 to 7, characterized in that the channel communicating with the pump has input and output ends, made in this way that the medium flows through the channel in the axial direction, while at one output end a device is installed for opening at a certain positive pressure and closing when this positive pressure is removed. 21 A3 Fie.Z 53 53 fs / g 6 23 47 L 26 / Behind and j4 FIG. thirteen "0 ay For 10 V7 2  and / u