JPH06299969A - Liquid dispersion system - Google Patents

Abstract

PURPOSE: To provide a soap dispersing container capable of dispersing soap of incremental amount in response to an operation by a user. CONSTITUTION: This system is provided with a housing supporting a bag 48 in which liquid is filled. The housing rotatably supports an operating arm 24 projected to the bag 48 by a pressing button 18 extending to the outside of the housing. The operating arm 24 has an operating device 10 for compressing an upper pant of a tubular peristaltic pump part of the bag 48 to press out liquid of incremental amount. The tubular peristaltic pump part is provided with a V-shaped notch 72 arranged on a horizontal side surface of the upper part and a bottom part for facilitating a closing by other advantages. An inspection valve 106 having a lever arm for extending a discharge nozzle part into a flat shape in a flexible type at a lower end of a peristaltic pump pipe prevents dropping during a non-use. An inspection valve operating device is provided on an operating arm, the inspection valve operating device is engaged with an inspection valve lever arm, and the inspection valve operating device opens a discharge nozzle during an operation, generates a reversed suction after the short time and eliminates a drop.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to liquid dispersion systems, and more particularly to a soap dispersion container capable of dispersing incremental amounts of soap in response to actuation by a user.

Many liquid soap dispersers are known. U.S. Pat. No. 4,349,133, U.S. Pat. No. 4,546,
904, U.S. Pat. No. 4,667,854 and U.S. Pat. No. 4,463,876 are examples of such dispersers.

US Pat. No. 4,349,133 discloses a liquid disperser and refill package. The disperser has a housing, a flexible plastic bag, a pump mechanism and a check valve mechanism. The housing comprises a front half and a rear half connected by a hinge.
A bladder located within the housing includes a reservoir and a tubular pump portion in fluid communication with the reservoir.

A "duck bill" test valve to prevent liquid leakage from the pump portion is located at the free end of the pump portion of the bag. FIG. 6 of U.S. Pat. No. 4,349,133 shows a "duck bill" check valve. A "duck bill" test valve is a plastic cylindrical closure that is normally closed but has a diametrical slit beyond which it can be opened when the liquid is compressed by the pump. The pump mechanism is contained within the housing,
And it includes a first shield and a second shield, which sandwich the pump portion and squeeze the pump portion together when subjected to a force. The second shield is installed on a lever that is hinged to the housing. The lever actuates the pump mechanism when grasped and pulled forward.

US Pat. No. 4,546,904 is similar to US Pat. No. 4,349,133. An inspection valve is provided in this device. The test valve can include one of two modes, the first mode being a ball and spring valve (see FIG. 5) and the second mode being a slit throttle valve (see FIG. 4).

US Pat. No. 4,667,854 discloses a liquid disperser having rollers which run along the length of the pump portion. An inspection valve is provided that includes a nozzle having a small opening.

US Pat. No. 4,463,876 discloses a bag liquid disperser system having a reservoir portion, a pump portion, and a discharge nozzle.

US Pat. No. 4,932,562, in which one of the two inventors of the present invention is the inventor, discloses a liquid dispersion system. The system includes a compressible housing carrying a flexible pouch for a storage liquid such as soap therein. A valve mechanism is provided for inspecting liquid flow from the bag, including a mechanism for laterally pulling the bag near its discharge nozzle.

Although conventional dispersers can be used to disperse liquids such as soap, they have a number of drawbacks.

Many systems are unnecessarily complex in structure and operation. As a result, these systems are difficult and expensive to manufacture and maintain.

Another limitation with some dispersers is the slow response (product flow rate) of the pump portion that refills the fluid.
Imperfections in the system to adequately "back-suck" the fluid at the end of the discharge stroke, as well as wear and fatigue on the tube section due to the need to obtain absolute shutoff of the supply side of the fluid system.

[0012]

SUMMARY OF THE INVENTION The present invention is to overcome the drawbacks of liquid dispersers to date. To this end, the present invention provides an apparatus for dispensing an incremental liquid portion from a liquid reservoir containing a film bag, such as a polymer bag, on top. Liquid flows by gravity from the reservoir portion into the tubular or pump portion of the bag. The pump portion terminates in the discharge nozzle portion, which has a mouth at the end. A mating structure, such as a hole, is located on the lateral side opposite the discharge nozzle portion.

The bag is suspended vertically within the housing. An actuating arm rotatably mounted within the housing is provided. The actuation arm includes a compression portion designed to contact the top of the tubular portion as the actuation arm rotates toward the bag.

The lower inspection valve, which is installed in relation to the skeleton, has two laterally spaced lever arms, each arm being associated with one of the bag mating structures. Can be engaged. The lever arms are interlocking and tilted away from each other to effectively flatten and extend the discharge nozzle portion of the bag to close the mouth.
Two cam-operated check valve actuators are provided which are arranged for movement with actuating arms each arranged to press one of the lever arms respectively. Rotation of the actuating arm towards the bag engages the cam against the lever arm and pushes the lever arms together, which causes the nozzle portion to loosen and effectively opens the mouth.

It is an advantage of the present invention that the device increases the response rate for refilling the pump or tubular portion of liquid after it has been discharged from the disperser. As the viscosity of the dispersed liquid increases, the refilling or recovery of the pump portion after a certain amount has been dispersed becomes slower. Difficult recovery is experienced with products that are very sticky or gel-like.

The present invention overcomes the problems of the prior art by adding a portion of injection molded tubular polymer to the bag in the pump portion which is secured to the polymer film of the bag. Furthermore, changes to the pump tubing structure provide a selectable range of advantageous responses.

"V" shaped notches are provided on the lateral sides of the pump section 180 ° apart from each other for easy closure at the top to perform the check valve function. These notches allow for total shutoff while reducing pump operating force. On the other hand, instead of the "V" shaped notch, it is also possible to provide a slit formed at 180 ° in the same area as above. These slits require more force to close but a smaller stroke than "V" shaped cutouts.

The thickness of the pump portion can be varied to increase or decrease the "memory" or refill response rate. As the tube gets thicker, the system suction during the return stroke increases and, conversely, requires a relatively large force. Relatively thick walls can be used with fluids of relatively high viscosity that produce relatively high suction.

Variations in the shape of the discharge end of the sleeve can increase or decrease the discharge rate and "memory" in the pump section.

The squeeze portion and the lower check valve actuator can be manufactured in the form of a single piece mounted on the actuating arm and is referred to as a pump actuator.

As another aspect of the present invention, an improved downward regulating valve which controls the downward inspection valve in such a manner as to provide a regulated amount of "reverse suction" (described below) after the release of fluid. A test valve actuator is used.

An important part of the discharge function is to provide the "reverse suction" property immediately after completion of the discharge stroke or compression of the pump mechanism. This phenomenon eliminates the possibility of drops or unclean blockage of fluid discharge.

To invent this advantage inventively, a lower check valve actuator is provided on the actuating arm, which limits the actuation of the lever arm during the retraction of the actuating arm to extend and close the outlet. Causes a delay in closing the lower inspection valve. The pull pin is used as a lever arm.

The lower check valve actuator includes a cam that interacts with the pull pin of the lower check valve. The lower check valve actuator can adjust the degree and duration of the check valve opening within the pump cycle. Thus, when the outlet is held open by the lower check valve for some time as the return stroke of the actuating arm begins, correspondingly some suction created by the pump tube is used to "reverse" the atmosphere at the mouth. Creates a suction.

A complete suction of the pump section tube is imposed on the fluid in the reservoir when the pull pin moves away from the effect of the lower valve actuator cam. Adjusting this lower check valve actuator to accommodate different fluids by positioning the cam to move the pull pin of the lower check valve for some period of time during the operating cycle and at early or late intervals. You can A second advantage of this lower check valve actuator is that it contains a pull pin in the discharge portion of the cycle which induces a reduced operating force. Also, because the lower check valve actuator can include a double cam manufactured on the pump actuator, and because this part is injection molded, additional parts are required, but are installed on the actuation arm. The inspection valve actuator, which is a separate component, may be used.

Another advantage of the present invention is the use of two parts without the use of double or compound actuation mechanisms, eg one closing the pump pipe and the other squeezing the pipe to expel fluid from the pipe. It is to provide a reliable method of performing the function of the upper inspection valve with a small force without continuous use.

A known way to obtain the upper check valve function in a tubular peristaltic pump system is to mechanically squeeze the tube block. Many mechanisms use this technique. In peristaltic pump operation, in order to obtain an absolute cut-off from the supply side of the fluid system in a single-part mechanism, a common technique is to move the pump actuator over the face of the pump actuator and onto the pump actuator It includes a relatively sharp edge protrusion that squeezes the portion of the tube that contains the fluid to be expelled.
However, this method overuses the tubing and energizes the actuator because it must be sufficiently reflective to allow it to go to its pumping or fluid discharge position in front of its test valve or closed position. It is also inefficient in terms of consumption.

The single actuator of the system of the present invention has several features that provide these intended advantages.
As the pump actuator arm progresses in a predetermined arcuate motion in the performance of the discharge function, the portion of the pump actuator arm at its upper end, designated as the upper test valve actuator tip, gradually meshes and pumps. "Pump anvil" with the upward flow end of the tube on the reverse mold of the disperser
Press against the protrusion. Gradual engagement is due to the physical properties of the polymer used to mold the actuator to the anvil and tip mating surfaces (high memory, low setting retention) and the rotating wedge effect rather than the knife effect. It includes slidingly mating in such a way as to utilize the paired shape of the two parts in. For mating reasons, the reduced resistance to closure of the pump sleeve is obtained by a unique notch at the tip and at the mating point with the anvil.

A reduction in resistance at the downstream end of the pump sleeve is also obtained by notching this end.
By using the "V" notch and varying the length of the rear flap so that it is equal in length to that of the front flap, recovery and back suction are in line with back pressure and the resulting operating force. Increase. By reducing the aft flap length, this result also provides reduced recovery and back suction while reducing back pressure and the resulting manipulating force.

In another aspect of the invention, a specially formed actuator having replaceable and adjustable pressure pads is provided. The lower check valve actuator cam is integrally provided with this actuator at its lower end. The cam actuates the lower check valve pin to open the lower check valve during operation.

In this embodiment, it is not necessary to use an external lateral bar device to act as an upper check valve during the pressure stroke of the actuator. Furthermore, the V-shaped cutout at the upper end of the pump sleeve can be set to form an angle inclined preferably at 60 °. The 60 ° cutout reduces the force required to effect this closure, and at the same time the cutout ensures that the product drips when the pressure is released, and the pump tube completely empties the reservoir portion of the bag. Can be

Other features and advantages of the invention are set forth in and will be apparent from the detailed description of the presently preferred embodiments.

[0033]

DETAILED DESCRIPTION OF THE PRESENTLY PREFERRED EMBODIMENTS Embodiments of a liquid disperser will be described with reference to the drawings, and in particular to FIG. As shown, the disperser 10 includes a back plate 12,
It is typically associated with a wall or other structure and supports the disperser 10 in a known manner. The back plate 12 is effectively covered by a front cover 14 with a suitable structure and / or screw.

The front cover 14 has a window portion 16 penetrating therethrough.
Is included. A push button 18 advances the exterior of front cover 14 into window 16 and contacts actuating arm 24. The push button 18 is fixedly inserted in the socket 20 of the arm 24.

The actuating arm 24 is rotatably connected to the front cover 14 and near the top thereof at pin connectors 28a, 28b. Inside the disperser 10 is located an elongated conical trough 32 having a wide open top 34, a generally straight side 36, a conical portion 38 and a bottom opening 40 between the front cover 14 and the back plate 12. ing. The gutter 32 is supported in the disperser by a clip 44 connected to the back plate 12.

In the trough 32, a film having a sealed upper end 50, a liquid-containing container or straight portion 52, and a cylindrical passage 60 terminating in a narrow groove portion 62 having an outlet 64 at the end. A bag 48 is placed. Within the cylindrical passage 60 is placed a tube 70 having a thickness sufficient to retain structural memory after collapse. That is, the tube will bounce back into its tubular shape after compression.

In the illustrated embodiment, the tube is a V-shaped notch 72 located laterally at the upper end of tube 60 and a second V-shaped notch located laterally at the bottom end of the tube. 76
Is included. In FIG. 1, the second V-shaped cutout 76 is shown somewhat flat, which is due to the closely manufactured and flattened cylindrical passage 60 of the film bag 48.

The actuator arm 24 has an actuator 84 at its lower end. The actuator 84 has a hammer or impact portion 88 at its upper end and a check valve actuator 90 at its lower end. The back plate 12 extends internally into a structure 96 that is lifted at its lower portion,
The structure is generally a cylindrical passage 6 located in the front
It is generally box-shaped with an anvil structure 98 progressing towards zero.

The structure 96 comprises a bottom wall 102. The lower inspection valve 106 is connected to the bottom wall 102 via a pin 108. The test valve includes two pins 116, 118, which act as lever arms (see Figure 5). The spring 120 connects the pins 116, 118 to their base ends. Pins 116, 118
Are pinned at their midpoints at points of rotation 126 and 128, respectively. The pins 116 and 118 are located in the hole from the middle portion to the nozzle portion of the film bag 1
36, 138.

The operation of the test valve actuator 90 is more clearly illustrated in FIG. 1A. When the actuating arm 24 reaches the bag 48, the 118 contacts the slanted surfaces 90a, 90b and slides thereunder. Accordingly, the pins 116, 118 are pulled together to loosen the mouth 64 of the bag 48. Hole 90c,
90d is provided to allow the actuator 90 to be pinned to the actuation arm or impact portion 88 or it can be integrally manufactured.

FIG. 2 illustrates another aspect of the disperser 10 described with respect to FIG. 1 as disperser 160. The gutter 32 is supported within the disperser 160 by a plurality of clips 166. The film bag 170 is a film bag 48, except for the substantially short polymer tube 172 placed therein.
Is the same as. In the embodiment shown in FIG. 2, the tube 172
Has a V-shaped notch 72 at its top end and a notch 178 at its bottom end. In the embodiment shown in FIG. 2, the anterior portion of the tube 172 has a shorter length than the posterior portion 172b.

Tube 17 installed on actuator arm 24
There is an actuator 184 on the front side of 2. Actuator 184 includes a test valve actuator 188 located at its bottom end and a hammer portion 196 at its top end. Hammer portion 196 includes a round compression component 200 attached to hammer portion 196 by bolts 204. The compression component 200 can be plastic, rubber or other material selected for hardness and compressibility (flexibility) to obtain an optimal squeezing effect on the tube 172. Since the compression part is bolted on, it can be easily changed depending on the application. The actuator 184 is attached to the actuator arm by bolts 206.

FIG. 3 shows the bag installed in the gutter 32 with a wide opening 34 at the top and a small opening 40 at the bottom. The conical bottom portion of the bag 216 extends from the gutter 34, and the test valve pin 116,
Includes 136, 138 for receiving 118 mating holes.

Bolts 204 are used to secure round compression component 200 to hammer portion 196. As shown, bolts 206 secure actuator 184 to actuating arm 24. Actuating arm 24 is shown to be a generally U-shaped structure with parallel actuating levers 230, 232 pinned on pins 28a, 28b.

The bag 170 also includes a peeling portion 250.
The mouth 64 is exposed when the portion 250 is peeled off.

FIG. 4 illustrates the operation of the actuator when actuated by the user. The round compression part 200 rotates with the actuating arm 24 against the tube 172 and closes it against the molded body 260 being manufactured on the back plate 262. In the embodiment shown, an anvil is not required and flat portion 266 is located on molded body 260. The compression component 200 squeezes the tube 172 to force the tube to
Straighten the tube by flattening it between the notches 72 5
2 and closed away from the conical portion 58. At the same time, the compression component 200 removes the amount of fluid present in the tube from the port 64.
Squeeze through. Also, under this condition, the inspection valve 10
6 is now engaged by the check valve actuator 184 and helps keep the mouth 64 open by compressing the narrow groove 62 by moving the holes 136, 138 closer together.

FIG. 5 shows the function of the inspection valve 106. The pins 116 and 118 are holes 13 in the narrow groove portion 62 of the bag.
It is shown to extend through 6, 138. The pin has an annular slot 262a, 262b that supports the narrow groove portion 62 above it. Pin is a distal end 2 with outwardly tapered surfaces 280a, 282a
80 and 282.

The check valve actuator 184 has pins 116, 118.
Before the spring 120 contacts the pins 116, 11
The eight are rotated about their points of rotation 126, 128 and separated from each other at their ends 280, 282. This provides a pulling force on the narrow groove portion 62 of the bag to keep the outlet 64 closed. The cam-operated surfaces 290, 292 of the test valve actuator 188 have pins 280, 2
The tapered outer surface 280 of the ends 280, 282 when approaching and impacting the ends of 82.
The slidable cam action on a, 282a moves the pins relative to each other relative to the inclination of spring 120, opening mouth 64 as shown in phantom in FIG.

6 and 7 show a tubular section 260 used in the present invention. V-shaped cutouts are manufactured in both the top and bottom portions. In the preferred embodiment, the upper V-shaped cutout 72 has an angle A = 60 °. At its bottom end, the angle B is provided for a V-shaped cutout.

The first arcuate side or "flap" 300 of tube 172 is longer than the second arcuate side or "flap" 302 of tube 172, as also shown in FIG. 6 at the bottom end of the tube. It is styled. The first arcuate side surface 300 can be located either on the side of the tube closest to the push hammer 196 (front side) or on the side furthest from the push hammer 196 (rear side). Depending on the direction, different advantages are obtained.

The single actuator of the system of the present invention has several features which result in these inventive advantages. As the pump actuator arm progresses in a predetermined arcuate motion during the performance of the dispersive function, the portion of the pump actuator arm at its upper end, marked as the upper test valve actuator tip, gradually tapers. And press the upward flow end of the pump tube against the "pump anvil" protrusion on the disperser backmold. Gradual engagement of the anvil and tip paired surfaces with the physical properties of the polymer used to mold the actuator (high memory, low cure retention) and the rotary wedge effect rather than knife cure. And slidingly mating in a manner that utilizes the paired shape of the two parts in FIG. For engagement, a reduced resistance to closure of the pump sleeve is obtained due to the unique notch at the tip and engagement point with the anvil.

A reduction in resistance at the downstream end of the pump sleeve can also be obtained by notching this end.
By using a "V" notch and changing the length of the rear flap to increase it so that it is equal to the length of the front flap, recovery and reverse suction are counter pressure and consequent operation. Increase along with the force. By reducing the aft flap length, this also reduces counter pressure and the resulting maneuvering force while producing reduced recovery and back suction.

8, 9 and 10 show actuator 184 in greater detail. A round compression component 200 is shown installed on the hammer portion 196. The test valve actuator 188 has cammed surfaces 290, 29.
2 is shown, and also the receptacles 402, 404 are shown. Receptacles 402, 40
4 is provided to allow the lower check valve pins 116, 118 to pass through the bag 170 during the compression stroke of the actuator 184. Receptacles 402, 404 together support pins 116, 118 with a predetermined amount of separation. Pins 116, 118 will slide over the cammed surfaces 290, 292 and into the receptacles 402, 404.

It should be understood that various changes and modifications to the presently preferred embodiments described herein will be apparent to those skilled in the art. Such changes and modifications can be made without departing from the spirit and scope of the invention and without diminishing its attendant advantages. It is therefore intended that such changes and modifications be covered by the appended claims.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a first embodiment of the present invention.
FIG. 1A is a bottom plan view of the test valve actuator from FIG. 1 in a distributed state.

FIG. 2 is a vertical sectional view of a second embodiment of the present invention.

FIG. 3 is a cross-sectional view generally taken along line III-III of FIG.

FIG. 4 is a diagram showing the actuator in a distributed state.
FIG.

5 is a cross-sectional view generally taken along line VV of FIG.

6 is a side elevational view of the pump tube shown in FIG.

FIG. 7 is a front elevation view of the pump tube of FIG.

FIG. 8 is a front elevational view of the pump actuator shown in FIG.

9 is a right side elevational view of the pump actuator of FIG.

FIG. 10 is a bottom view of the pump actuator of FIG.

Claims (23)

[Claims] 1. A feed section in fluid communication with a tubular section terminating in a discharge nozzle section having a mouth at the end and an interlocking structure arranged on an opposite lateral side of the discharge nozzle section. A bag, a skeleton having means for supporting the bag, means for selectively compressing the tubular portion to release an incremental liquid portion, installed in relation to the skeleton and laterally spaced apart Two lever arms, each of which is intermeshable with the mating structure of the bag, the lever arms being tilted away from one another and the discharge nozzle portion for closure. A lower test valve adapted for flattening, arranged for movement in said means for selectively compressing, one of each of said lever arms during selective compression of said tubular portion. Push the pieces An apparatus for distributing an incremental liquid portion from a liquid reservoir, comprising an inspection valve actuator, having two cam surfaces each arranged for application. 2. The device of claim 1 wherein the tubular portion includes a thickness sufficient to have a structural memory of being rebounded after being at least partially collapsed. 3. The apparatus of claim 2 wherein said tubular portion further comprises a pair of V-shaped cutouts located at its bottom end located on opposite lateral sides. 4. The apparatus of claim 3, wherein the anterior arcuate surface of the tubular section on one side of the V-shaped cutout is longer than the posterior arcuate surface of the tubular section. 5. The apparatus of claim 3, wherein the posterior arcuate surface of the tubular section between the V-shaped notches extends downwardly at a distance greater than the anterior arcuate surface of the tubular section. 6. The means for compression includes an actuating arm rotatably mounted with respect to the framework, the actuating arm including the feed portion when the actuating arm is rotated toward the bag. 2. The device of claim 1 having a compression portion arranged to contact a tubular portion on an adjacent side surface thereof with an end of the tubular portion. 7. The device of claim 6, wherein the compression portion and the test valve actuator are manufactured as a single piece. 8. The lever arm includes a pin, the mating structure includes a mating hole, and the test valve actuator is positioned adjacent the cam surface and aligned with the lever arm. Including the approaching hole being
The apparatus of claim 1, wherein the approaching hole receives the lever arm therein by the compression portion during compression of the tubular portion. 9. Two pins rotatably connected at their intermediate portions with respect to each said framework, wherein said two lever arms extend respectively at said end portion in said mating portion, and said A spring comprising a spring coupled under tension to the adjacent first ends of the pins, the base ends tilted with respect to each other and the end parts tilted away from each other. 1. The device according to 1. 10. A feed portion in fluid communication with a tubular portion terminating in a discharge nozzle portion having a mouth at the end, the tubular portion being repelled after being at least partially collapsed. A bag having sufficient thickness, a skeleton having means for supporting the bag, and for selectively compressing the tubular portion to at least partially collapse the tubular portion to release the incremental liquid portion. An apparatus for dispersing an incremental liquid portion from a liquid reservoir, the apparatus comprising: 11. A tubular section is provided with two V-shaped cutouts at its upper end located on opposite lateral sides, the tubular section being crushed by its means at its upper end. The device according to claim 10, which is capable of: 12. The two V-shaped notches are each 6
The device of claim 11 including a tilt angle of 0 °. 13. The tubular part comprises two slits at its upper end located on the lateral sides of the tubular part, the tubular part being able to be crushed at its upper end by said means. The device according to claim 10. 14. A bag having a feed portion fluidly connected in a tubular portion terminating in a discharge nozzle portion having a distal end, a skeleton having means for supporting the bag, the tubular portion being selective. Means for compressing and releasing the incremental liquid portion, an actuating arm installed in relation to the skeleton, the actuating arm being on the supply portion when the actuating arm rotates toward the bag. A compression portion arranged to contact an end of the tubular portion, wherein the skeleton comprises an anvil portion raised in alignment with a contact portion of the compression portion to the tubular portion. An apparatus for dispersing an incremental liquid portion from a liquid reservoir comprising an actuating arm such that the compressing portion squeezes the tubular portion against the anvil portion during rotation of the operating arm. 15. A front cover component having a window through which said skeleton extends, and an actuation button having a finger pushing surface on the outside of said cover and inside said front cover and said actuation arm. 15. The device of claim 14, wherein the device is mechanically coupled to be depressed by a user of the push button to cause rotation of the actuation arm and dispersion of liquid. 16. The device of claim 14, wherein the tubular portion is cut away on the opposite lateral side where the portion located in the upper portion thereof is cut away. 17. A film bag having a feed portion in fluid communication with a tubular portion terminating in a discharge nozzle portion having a distal end, a housing having means for supporting the bag, the housing comprising: An associated rotatably mounted actuating arm, the actuating arm arranged to be placed on the distal portion of the tubular pump portion for at least partially collapsing the distal portion. And a structural memory for being rebounded after being crushed by the compression portion as well as the activation arm arranged to be adjacent to the end on the supply portion when the activation arm rotates toward the bag. Comprising a tubular pump portion comprising a tubing component having a thickness sufficient to hold
Liquid disperser. 18. The liquid disperser according to claim 17, wherein the tube is provided with two V-shaped cutouts, the V-shaped cutout being located on a lateral side of the tube. 19. The apparatus according to claim 18, wherein the V-shaped notch includes a tilt angle of 60 °. 20. The disperser according to claim 17, wherein the tube includes two V-shaped notches located on the lateral sides of the tube at an end opposite to the end. . 21. Further comprising two lever arms mounted with respect to the housing and laterally spaced apart, each arm respectively mating with the mating structure of the bag. A lower inspection valve, in which the lever arms can be tilted away from each other to flatten the discharge nozzle portion for closure,
And two cams arranged for movement with the means for selectively compressing, each cam being respectively arranged for pressing one of the lever arms during the selective compression of the tubular part. 21. The liquid disperser of claim 20, comprising an inspection valve actuator having a surface. 22. The liquid disperser according to claim 20, wherein one arcuate section of the tube separated from each other arcuate section by the V-shaped notch is axially longer than each other arcuate section. 23. A liquid disperser according to claim 17, wherein the tube is provided with axially extending slits arranged at the end on the lateral side of the tube.