JP2015034015A - Frozen beverage dispenser - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a frozen beverage dispenser which automatically executes vending termination of a frozen drink in a thawed condition.SOLUTION: There is provided a frozen beverage dispenser for producing and vending a frozen drink, in which a mixed drink containing ingredients such as syrup, dilution water, and carbon dioxide gas, is stirred while being frozen down. In the frozen beverage dispenser, a vend valve 10 for vending the frozen drink inside a cooling cylinder 70 mounted to a dispenser body, is provided with vending termination means for terminating the sales when the frozen drink is thawing. The vending termination means is constituted of: a slide valve which opens a seal part when vending the frozen drink and closes the seal part when terminating the sales of the frozen drink; and slide valve fixation means for fixing the slide valve in a seal part closed position.

Description

  The present invention relates to a frozen beverage dispenser that manufactures and sells a sherbet-like frozen beverage using syrup, diluted water, carbon dioxide, and the like as raw materials.

  A frozen beverage dispenser manufactures and sells a sherbet-like frozen beverage in which syrup, dilution water, carbon dioxide, and the like are mixed and mixed with air by freezing the mixed beverage in a cooling cylinder (for example, Patent Document 1).

  FIG. 10 is a schematic configuration diagram of a frozen beverage dispenser. As shown in the figure, 30 is a dilution water supply circuit, 31 is a water pump, 33 is a dilution water flow regulator, 34 is a dilution water solenoid valve, 35 is a dilution water check valve, 40 is a syrup supply circuit, and 41 is a carbonic acid. Gas cylinder 42 syrup tank 44 syrup flow regulator 45 syrup solenoid valve 46 syrup check valve 50 carbon dioxide supply circuit 51 carbon dioxide solenoid valve 52 carbon dioxide check valve 70 The cooling cylinder 80 is a sales valve.

  As shown in FIG. 11, the sales valve 80 includes a sales lever 81, a slide valve 82, a seal portion 83, a spring 84, a valve cover 85, a sales nozzle 86, and the like.

  When the sales lever 81 is pulled toward the front side (left side in the figure) by the customer, the slide valve 82 moves upward to open the seal portion 83, and the cooling cylinder 70 is manufactured in a sherbet shape. The frozen beverage is discharged from the sales nozzle 86 and sold. Further, when the sales lever 81 is returned to the original position, the slide valve 82 is moved downward by the spring 84, the seal portion 83 is closed, and the discharge of the frozen beverage is stopped.

  As described above, the frozen beverage dispenser is sold by selling the sherbet-like frozen beverage manufactured by the cooling cylinder 70 by the customer pulling the sales lever 81 of the sales valve 80 toward the front side, and then being discharged from the sales nozzle 86. The discharge of the frozen beverage is stopped by returning the lever 81 to the original position.

JP 2002-240896 A

  The frozen beverage dispenser is used in a family restaurant, a fast food store, a convenience store or the like, and there are an unspecified number of customers who operate the sales lever 81 of the sales valve 80.

  In general, frozen beverages are made of syrup, diluted water, carbon dioxide gas, etc. as raw materials, mixed with air while being frozen in the cooling cylinder 70, mixed with air, and fine ice in a sherbet shape with a beverage temperature of around −5 ° C. And the raw material grains are mixed.

  However, in the frozen beverage, when the state at around −5 ° C. continues continuously, the growth of ice is accelerated, the size of the ice particles increases, the texture of the frozen beverage becomes rough and the beverage quality deteriorates. A sherbet-like frozen beverage with a large ice grain, rough texture and poor beverage quality is generally frozen once a day by stopping the operation of the freezer and thawing the ice. Defrosting work to return to the state is required.

  When the customer operates the sales lever 81 of the sales valve 80 in this ice thawing state, an incomplete frozen beverage that is not completely sherbet-like is sold.

  For this reason, in the past, a stop-of-sale tag was placed in front of the sales valve 80 to guide the customer to stop selling frozen beverages. However, this stop-of-sale guidance took time and was a difficult manual operation. ing.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a frozen beverage dispenser capable of automatically stopping sales in a frozen beverage thawing state.

In order to achieve the above object, a frozen beverage dispenser according to claim 1 of the present invention is a frozen beverage dispenser that produces and sells a frozen beverage by stirring the frozen mixed beverage using syrup and diluted water as raw materials. ,
The sale valve for selling the frozen beverage in the cooling cylinder mounted on the dispenser body is provided with a sale stop means for stopping the sale when the frozen beverage is thawed.

The frozen beverage dispenser according to claim 2 of the present invention is the above-described frozen beverage dispenser according to claim 1, wherein the sale stopping means opens the seal portion when selling frozen beverage, and the seal when stopping selling frozen beverage. A slide valve for closing the part;
And a slide valve fixing means for fixing the slide valve to the seal portion closing position.

  The frozen beverage dispenser according to claim 3 of the present invention is the slide according to claim 1 or 2, wherein the slide valve fixing means fixes the slide valve at the seal portion closed position by activation of a solenoid. It has a valve fixing link mechanism.

  A frozen beverage dispenser according to a fourth aspect of the present invention is the frozen beverage dispenser according to any one of the first to third aspects, wherein the slide valve fixing link mechanism fixes the slide valve at the seal portion closing position. And the sales lever of the sales valve is fixed in an inoperable state.

  According to the invention of claim 1, in a frozen beverage dispenser that manufactures and sells a frozen beverage by freezing and stirring the mixed beverage using syrup and dilution water as raw materials, the frozen beverage in a cooling cylinder mounted on the dispenser body The sale valve that sells frozen beverages is provided with a means to stop selling when frozen beverages are thawed, so that frozen beverages with incomplete quality that are not completely sherbet-like when they are thawed are sold. This makes it possible to provide a frozen beverage dispenser that can automatically stop the frozen beverage from being thawed.

  According to the invention of claim 2, the sales stop means opens the seal portion when selling frozen beverages, and closes the seal portion when selling frozen beverages, and the slide valve as the seal portion. By comprising the slide valve fixing means for fixing to the closed position, it is possible to provide a frozen beverage dispenser capable of automatically stopping the frozen beverage thawing state with a simple configuration.

  Further, according to the invention of claim 3, the slide valve fixing means has a slide valve fixing link mechanism for fixing the slide valve to the seal portion closed position by activation of the solenoid. It is possible to provide a frozen beverage dispenser that can be automatically stopped by the control means.

  According to the invention of claim 4, when the slide valve fixing link mechanism fixes the slide valve in the sealing portion closed position, the sales lever of the sales valve is fixed in an inoperable state, so that the customer mistakenly thaws. It becomes possible to prevent selling frozen beverages in a state.

It is an external appearance perspective view which shows the frozen drink dispenser which is embodiment of this invention. It is a schematic block diagram of the frozen drink dispenser shown in FIG. It is an external appearance perspective view which shows the sales valve of the frozen drink dispenser shown in FIG. FIG. 4 is a cross-sectional side view in which a slide valve can open a seal portion by operating a sales lever of the sales valve shown in FIG. 3. FIG. 4 is a cross-sectional side view in which a slide valve of the sales valve shown in FIG. 3 is fixed at a seal portion closing position. The alcohol sales nozzle attached to the sales valve | bulb shown in FIG. 1 is shown, (a), (b) is an external appearance perspective view, (c) is the cross-sectional side view. It is a control block diagram of the frozen drink dispenser shown in FIG. It is a flowchart figure which shows control which stops sale at the time of frozen beverage thawing | decompression of the frozen beverage dispenser shown in FIG. It is a timing chart figure which shows control of the alcohol addition frozen drink sales of the frozen drink dispenser shown in FIG. It is a schematic block diagram of the conventional frozen drink dispenser. It is a cross-sectional side view of the sales valve shown in FIG.

  Hereinafter, preferred embodiments of a frozen beverage dispenser according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. In addition, the same reference numerals are used for the same configuration as the conventional one.

  FIG. 1 is an embodiment of the present invention, producing a sorbet-like frozen beverage in which air is mixed by agitation while freezing the mixed beverage in a cooling cylinder using syrup, dilution water, carbon dioxide gas and the like as raw materials, It is an external appearance perspective view which shows the frozen drink dispenser to sell. As shown in the figure, the frozen beverage dispenser 1 includes a dispenser body 2, an operation panel 3, and a sales valve 10.

  The dispenser body 2 is a box, and an adjustment leg 2a for adjusting the height is provided on the bottom thereof. Further, inside the dispenser body 2, a cooling cylinder 70 for producing a sherbet-like frozen beverage by stirring and mixing the mixed beverage with syrup, dilution water and carbon dioxide as raw materials, and a cooling cylinder, Refrigeration apparatus 72 for cooling 70 (see FIG. 7), dilution water supply circuit 30, water pump 31, dilution water automatic valve 32, dilution water check valve 35, syrup supply circuit 40, syrup automatic valve 43, syrup check valve 46, a carbon dioxide supply circuit 50, a carbon dioxide solenoid valve 51, a carbon dioxide check valve 52, an alcohol supply circuit 60, an alcohol automatic valve 62 (see FIG. 2 for details).

  On the front surface of the operation panel 3, there is provided an alcohol sales button (beverage sales selection button) 4 to be pressed when selecting an alcohol-added frozen drink obtained by adding alcohol (beverage) to a frozen drink.

  When the sales lever 11 is pulled to the near side (right side in the figure), the sales valve 10 is configured to supply frozen beverages manufactured in a sherbet shape with the cooling cylinder 70 from the sales nozzle 20 (see FIGS. 3, 4, and 5). Discharge and sell.

  When the sales lever 11 is pulled toward the near side (right side in the figure) without pressing the alcohol sales button 4, the frozen beverage is sold from the sales nozzle 20. Further, when the alcohol sales button 4 is pressed and the sales lever 11 is pulled to the near side, the alcohol is discharged from the alcohol sales nozzle 21 and added to the frozen beverage sold from the sales nozzle 20, and the alcohol is added to the frozen beverage. Alcohol-added frozen beverages to which is added are sold.

  In addition, a drip tray 5 is provided at the lower front end of the dispenser body 2. The drip tray 5 is for receiving a beverage dripping from the sales valve 10 or the alcohol sales nozzle 21 and passes through the cover 6 and is received by the drip tray 5.

  FIG. 2 is a schematic configuration diagram of the frozen beverage dispenser 1 according to the embodiment of the present invention. As shown in the figure, 10 is a sales valve, 30 is a dilution water supply circuit for supplying tap water to the cooling cylinder 70, 31 is a water pump for pumping tap water, 32 is a flow sensor and a solenoid valve, When the number of pulses output from the flow sensor reaches a predetermined number of pulses, the electromagnetic valve is closed and a dilution water automatic valve for supplying a predetermined amount of dilution water, 35 is a dilution water check valve, 40 Is a syrup supply circuit for supplying syrup to the cooling cylinder 70, 41 is a carbon dioxide gas cylinder, 42 is a syrup tank, 43 is the same as the dilution water automatic valve 32, and has a flow sensor and a solenoid valve. When the number of pulses output by the motor reaches a predetermined number of pulses, the solenoid valve is closed and a syrup automatic valve that supplies a predetermined amount of syrup, 46 is a syrup check valve, 50 is a dilution water and syrup Carbon dioxide gas supply circuit for supplying carbon dioxide to the mixed beverage, 51 carbon dioxide solenoid valve, 52 for carbon dioxide check valve, 60 for alcohol supply circuit for supplying alcohol to the alcohol sales nozzle 21, 61 for alcohol tank, and 62 for dilution Similar to the automatic water valve 32, it has a flow sensor and a solenoid valve, and when the number of pulses output from the flow sensor reaches a predetermined number of pulses, the solenoid valve is closed to determine a predetermined amount of alcohol. An automatic alcohol valve 70 for supplying water is a cooling cylinder. Although an embodiment in which a predetermined amount of alcohol is supplied using the alcohol automatic valve 62 has been described, for example, a predetermined amount of alcohol is supplied by time control using a flow rate regulator. You may do it.

  3, 4, and 5 show the sales valve 10, and when the frozen beverage is sold, the sales lever 11 that is pulled to the front side (left direction in the drawing) is opened, and when the frozen beverage is sold, the seal portion 13 is opened, and the frozen beverage is opened. When stopping the sale of beverages, the slide valve 12 that closes the seal portion 13, the spring 14 that presses the slide valve 12 toward the seal portion 13 to close the seal portion 13, and the solenoid 15 is activated to activate the slide valve 12 as the seal portion 13. Slide valve fixing link mechanism 16 to be fixed at the closed position, magnet sensor 17 for detecting the rise of the magnet 18 provided at the upper end of the slide valve 12 and outputting a detection signal (frozen beverage sales detection signal) to the control unit 90, valve The dispenser body 2 is composed of a cover 19, a sales nozzle 20, etc., and is connected via a valve fixing base 9. It is fixed so as to be connected to the cooling cylinder 70 provided therein.

  As shown in FIGS. 1, 2, and 6, an alcohol sales nozzle (beverage sales nozzle) 21 is mounted around (near) the sales nozzle 20. The alcohol sales nozzle 21 includes a nozzle body 22, a connection terminal 23 connected to the alcohol supply circuit 60, and a nozzle portion 24 that discharges alcohol, and the connection terminal 23 and the nozzle portion 24 communicate with each other.

  FIG. 7 shows a control block diagram of the frozen beverage dispenser 1 according to the embodiment of the present invention, and a control unit (control means) 90 that controls the production and sale of frozen beverages in the frozen beverage dispenser 1 is a central processing unit. CPU 91 as a device, ROM (read only memory) 92 storing a control program for CPU 91, RAM (random access memory: for example, syrup and dilution) storing various programs and data necessary for control of CPU 91 as needed It stores the mixing ratio of water and carbon dioxide gas, frozen beverage thawing start time, frozen beverage thawing time, production time, etc.) 93, and counts clocks generated by a reference clock generator (not shown) to indicate various times. Timer to time (Frozen beverage thawing start time and frozen beverage thawing completed That time, and the time of manufacturing of the frozen beverage is completed) 94, and a power unit 95 having a power circuit for energizing the respective devices provided in the frozen beverage dispenser 1.

  In addition, various setting data of the frozen beverage dispenser 1 (for example, the mixing ratio of syrup, diluted water, and carbon dioxide, the thawing start time of the frozen beverage, the thawing time of the frozen beverage, the manufacturing time, etc.) of the frozen beverage dispenser 1 are input to the control unit 90. A remote control 96, an alcohol sales button 4 to be pressed when selecting an alcohol-added frozen beverage obtained by adding alcohol to a frozen beverage, and a detection signal for detecting that the magnet 18 has risen and detecting that the slide valve 12 has been raised by the control unit 90 A magnet sensor 17 and the like for outputting (a frozen beverage sales detection signal) are connected.

  Further, the control unit 90 includes a solenoid 15 that rotates the slide valve fixing link mechanism 16 that fixes the slide valve 12 in the closed position of the seal unit 13 in the clockwise direction, a water pump 31, a diluting water automatic valve 32, a syrup automatic valve 43, a carbonic acid carbonate. The gas solenoid valve 51, the alcohol automatic valve 62, the stirring motor 71 that stirs the frozen beverage produced by the cooling cylinder 70, and the refrigeration device 72 that cools the cooling cylinder 70 are controlled.

  Next, the control procedure for stopping the frozen beverage sales by fixing the sales lever 11 of the sales valve 10 to the inoperable state when the frozen beverage is thawed by the control unit 90 will be described with reference to the flowchart of FIG. When the frozen beverage thawing start time set in advance is reached, first, the operation of the freezer 72 that cools the cooling cylinder 70 is stopped and the frozen beverage is started to be thawed (step S11). After stopping the operation of the freezer 72 and starting thawing of the frozen beverage, an ON signal is output to the solenoid 15 (step S12). When the control unit 90 outputs an ON signal to the solenoid 15, the lift shaft 15a of the solenoid 15 rises, so that the slide valve fixing link mechanism 16 rotates in the clockwise direction and prohibits the upward movement of the slide valve 12, and slides. By fixing the valve 12 at the closed position of the seal portion 13, the sales lever 11 of the sales valve 10 is fixed in an inoperable state, and the customer cannot operate the sales valve 10 to sell the frozen beverage (FIG. 5). reference).

  Then, when a predetermined time set in advance (the time when thawing of the frozen beverage is completed) elapses (step S13), the operation of the refrigeration apparatus 72 is started to cool the cooling cylinder 70, syrup, diluted water, carbon dioxide gas, etc. Production of a sherbet-like frozen beverage in which the mixed beverage is stirred while being frozen in the cooling cylinder 70 and mixed with air is started (step S14).

  Further, when a predetermined time set in advance (time for completing the production of the frozen beverage) elapses (step S15), the ON signal output to the solenoid 15 is stopped (step S16). When the control unit 90 stops the ON signal output to the solenoid 15, the elevating shaft 15 a of the solenoid 15 is lowered, whereby the slide valve fixing link mechanism 16 rotates counterclockwise and the slide valve 12 can freely move up and down. (The movement of the slide valve is permitted), the sales lever 11 of the sales valve 10 returns to the operable state, and the customer can operate the sales valve 10 to sell the frozen beverage (see FIG. 4).

  Thus, in order to stop the frozen beverage sales by fixing the sales lever 11 of the sales valve 10 to the inoperable state at the time of thawing the frozen beverage by the control unit 90, when the frozen beverage thawing start time is set in advance, First, the operation of the refrigeration apparatus 72 that cools the cooling cylinder 70 is stopped and thawing of the frozen beverage is started. Then, an ON signal is output to the solenoid 15 to raise the elevating shaft 15a of the solenoid 15 to slide. The sale lever 11 of the sale valve 10 is inoperable by rotating the valve fixing link mechanism 16 clockwise to prohibit the upward movement of the slide valve 12 and fixing the slide valve 12 at the closed position of the seal portion 13. To prevent the customer from operating the sales lever 11 of the sales valve 10.

  Then, when the preset time to complete the thawing of the frozen beverage elapses, the operation of the freezer 72 is started to cool the cooling cylinder 70, and the mixed beverage is prepared using syrup, diluted water, carbon dioxide, etc. as raw materials. Production of a sherbet-like frozen beverage which is stirred while being frozen in the cooling cylinder 70 and mixed with air is started.

  Further, when the time for completing the production of the frozen beverage set in advance elapses and the ON signal output to the solenoid 15 is stopped, the elevating shaft 15a of the solenoid 15 is lowered to cause the slide valve fixing link mechanism 16 to move. By rotating counterclockwise, the slide valve 12 can freely move up and down, and the sales lever 11 of the sales valve 10 returns to the operable state, so that the customer operates the sales lever 11 of the sales valve 10 to make a fine sherbet shape. Frozen beverages with mixed ice and raw ingredients can be sold, so improperly sell imperfect quality frozen beverages that are not completely sherbet when thawed That can be prevented and the frozen beverages can be automatically thawed It is possible to provide a down beverage dispenser 1.

  When the frozen lever is thawed and the sales lever 11 of the sales valve 10 is fixed in an inoperable state to stop the sales of the frozen drink, the sales of the frozen drink is stopped by the customer using the lighting display means or the like. May be displayed.

  Next, control of the alcohol-added frozen beverage sales of the frozen beverage dispenser by the control unit 90 will be described with reference to the timing chart of FIG.

  When the alcohol sales button 4 is pressed, the alcohol sales button 4 is turned on. When the sales lever 11 of the sales valve 10 is operated by the customer within a predetermined time T1 (for example, 2 seconds) after the alcohol sales button 4 is pressed, the slide valve 12 is raised and the seal portion 13 is opened. The frozen beverage is sold from the sales nozzle 20. At the same time, the magnet sensor 17 detects the rise of the magnet 18 provided at the upper end of the slide valve 12 and outputs a frozen beverage sales detection signal to the control unit 90. The control unit 90 receives the frozen beverage sales detection signal and outputs a signal to the automatic alcohol valve 62 after a predetermined time T2 (e.g., 0.5 seconds) has elapsed, and at a predetermined time T3, a predetermined amount of alcohol. Is supplied from the alcohol sales nozzle 21. And when predetermined time passes and the sales lever 11 is returned to the original position by the customer, the sale of the frozen beverage is stopped. When a predetermined time T1 (for example, 2 seconds) elapses after the alcohol sales button 4 is pressed, the alcohol sales button 4 is turned off and returns to a standby state.

  As described above, in order to sell an alcohol-added frozen beverage with the frozen beverage dispenser 1, when the alcohol sale button 4 is pressed, the alcohol sale button 4 is lit. When the sales lever 11 is operated within a predetermined time T1 after the alcohol sales button 4 is pressed, the slide valve 12 is raised, the seal portion 13 is opened, and the frozen beverage is sold from the sales nozzle 20, at the same time. The magnet sensor 17 detects the rise of the magnet 18 provided at the upper end of the slide valve 12 and outputs a frozen beverage sales detection signal to the control unit 90. After a frozen beverage sales detection signal is received and a predetermined time T2 has elapsed, a signal is output to the alcohol automatic valve 62 so that a predetermined amount of alcohol measured at a predetermined time T3 is supplied from the alcohol sales nozzle 21. By controlling the unit 90, it is possible to provide a frozen beverage dispenser 1 capable of stably producing and selling various beverages such as alcohol with stable quality and frozen beverages to which various flavors are added. . Further, although an embodiment in which a predetermined amount of alcohol is supplied using the alcohol automatic valve 62 has been described, for example, a predetermined amount of alcohol is supplied by time control using a flow rate regulator. You may do it.

  In addition, although demonstrated using embodiment which sells an alcohol addition frozen drink with the single alcohol sale button 4, it is provided with several various drink sales selection buttons, Frozen drink which added various drinks and various flavors May be sold.

  As described above, according to the present invention, in the frozen beverage dispenser 1 that manufactures and sells frozen beverages by freezing and stirring the mixed beverage using syrup, dilution water, carbon dioxide gas and the like as raw materials, The sale valve 10 for selling the frozen beverage in the mounted cooling cylinder 70 is provided with a sales stop means for stopping the sale at the time of thawing the frozen beverage, so that the frozen beverage is not completely made into a sherbet when thawing the frozen beverage. It is possible to provide a frozen beverage dispenser 1 that can prevent a frozen beverage of incomplete quality from being sold and can automatically stop the frozen beverage in a thawed state.

  The sales stop means opens the seal portion 13 when selling frozen beverages, and fixes the slide valve 12 to close the seal portion 13 when selling frozen beverages, and the slide valve 12 is fixed at the closed position of the seal portion 13. It is possible to provide the frozen beverage dispenser 1 that can automatically stop the frozen beverage in a thawed state with a simple configuration.

  Further, the slide valve fixing means has the slide valve fixing link mechanism 16 that fixes the slide valve 12 in the closed position of the seal portion 13 by the activation of the solenoid 15, so that the control means can stop the sales in the frozen beverage thawing state. It is possible to provide a frozen beverage dispenser 1 that can be performed automatically.

  Further, when the slide valve fixing link mechanism 16 fixes the slide valve 12 in the closed position of the seal portion 13, the sales lever 11 of the sales valve 10 is fixed in an inoperable state, so that the frozen beverage in a thawed state by the customer by mistake. Can be prevented from being sold.

1 Frozen beverage dispenser 2 Dispenser body 4 Alcohol sales button (beverage sales selection button)
DESCRIPTION OF SYMBOLS 10 Sales valve 11 Sales lever 12 Slide valve 13 Seal part 15 Solenoid 16 Slide valve fixed link mechanism 17 Magnet sensor 18 Magnet 20 Sales nozzle 21 Alcohol sales nozzle (beverage sales nozzle)
31 Water Pump 32 Dilution Water Automatic Valve 43 Syrup Automatic Valve 51 Carbon Dioxide Solenoid Valve 62 Alcohol Automatic Valve 70 Cooling Cylinder 71 Stirring Motor 72 Refrigeration Equipment 90 Control Unit (Control Unit)

Claims (4)

In a frozen beverage dispenser that manufactures and sells frozen beverages by stirring while freezing the mixed beverage using syrup and diluted water as raw materials,
A frozen beverage dispenser comprising a sale valve for selling frozen beverage in a cooling cylinder mounted on the dispenser main body, and a sale stop means for stopping the sale when frozen beverage is thawed. The sales stop means opens a seal portion when selling frozen beverages, and a slide valve that closes the seal portion when stopping selling frozen beverages;
The frozen beverage dispenser according to claim 1, further comprising a slide valve fixing means for fixing the slide valve to the seal portion closing position.   3. The frozen beverage according to claim 1, wherein the slide valve fixing means has a slide valve fixing link mechanism that fixes the slide valve at the seal portion closing position by activation of a solenoid. Dispenser.   4. The sales lever of the sales valve is fixed in an inoperable state when the slide valve fixing link mechanism fixes the slide valve in the seal portion closed position. The frozen beverage dispenser described in the section.

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