JP4043666B2 - Kneading nozzle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a kneading nozzle, and more particularly to a kneading nozzle suitable for kneading a dental impression material made of a silicon-based two-component resin.
[0002]
[Prior art]
A material called an impression material is used when a dentist takes a tooth profile. In Japan, alginate-based materials are generally mixed with water and kneaded. In Europe and the United States, the mainstream is to use a mixture of silicon-based two-component resin. Although this silicone resin has the disadvantage of being expensive, it has been gradually adopted in Japan due to its high impression accuracy and beautiful surface.
[0003]
Conventionally, when mixing this two-component resin, each resin is filled in two side-by-side syringes (two-component storage containers), and an extrusion device such as a gun equipped with two extrusion pistons is used. The most common method is to push the rear side of the syringe with its piston to push the resin in the syringe forward and mix it by passing it through a kneading device called a mixing chip attached to the front of the syringe. . In addition, a conventional mixing chip employs a method in which a material is kneaded while being divided into two so-called static mixers.
[0004]
[Problems to be solved by the invention]
However, the above-described conventional static mixer type mixing chip has the following problems.
[0005]
First, although the conventional mixing chip is suitable for mixing materials, there is a problem that the mixing chip itself is wasted. In other words, the conventional mixing tip is used once, the cured impression material adheres to the tip of the tip and the passage is blocked, so the next mixing tip must be replaced with another mixing tip. The chip itself is wasted, increasing costs.
[0006]
Second, there is a problem that waste of the material to be kneaded increases. As described above, the conventional mixing tip is replaced with another mixing tip when it is used next, because the cured impression material adheres to the tip portion of the conventional mixing tip and the passage is blocked. When the mixing tip is replaced, the unused material to be mixed is discarded when the mixing tip is replaced. It becomes.
[0007]
Thirdly, this mixing chip is mounted on two side-by-side syringes (two-component storage containers), and this syringe has a certain degree of rigidity so that the rear end can be pressed by the piston of the extrusion device. Since it is molded into a cylindrical shape, it retains the cylindrical shape even when it is emptied after use, and cannot be easily crushed at the time of disposal, increasing the amount of industrial and medical waste, and environmental There was also a problem.
[0008]
The present invention has been made in consideration of the above points, and the cost can be reduced by repeatedly using the kneading nozzle except for a part thereof, and the waste of the material to be kneaded can be eliminated. Furthermore, an object of the present invention is to provide a kneading nozzle that can be disposed of in a state where a used container is crushed and can reduce industrial waste and medical waste.
[0009]
[Means for Solving the Problems]
The present invention is a kneading apparatus and is configured as follows in order to solve the above-described technical problems. That is, the present invention attaches the two kinds of materials to be kneaded to the first and second containers separately containing the two kinds of materials to be kneaded and pushes out the two kinds of materials to be kneaded pushed out from the first and second containers. A nozzle for kneading for discharging the material from the same discharge port, each having half of a kneading passage through which the two kinds of materials to be kneaded pass, and each of the first and second containers A pair of nozzles attached to the material outlet, a partition plate disposed between the pair of nozzles and restricting the flow direction of the two types of materials to be kneaded in the kneading passage, and the pair of nozzles divided by the partition And a coupling member coupled in a state of sandwiching the plates.
[0010]
Further, the present invention has a function of giving a compression action and a deformation action based on the compression action to the two kinds of materials to be kneaded, and a function of causing the two kinds of materials to be kneaded to merge and split. The partition plate regulates the flow direction so as to knead the two types of materials to be kneaded, and the partition plate regulates the flow direction so as not to knead the two types of materials to be kneaded. The first and second containers are tube-shaped, the pair of nozzles are attached to the first and second containers with screws, and the two types of materials to be kneaded are silicon-based It is a dental impression material made of a two-component resin.
[0011]
(Function)
In the present invention, after the kneading nozzle is used once and then used again, the pair of nozzles are disassembled to expose the kneading passage, only the partition plate is replaced, and the other parts are reused. At this time, the material to be kneaded adhering to the tip side of the kneading passage of the pair of nozzles is discarded because it is sufficiently kneaded and cured, but the material to be kneaded adhering to the root side is still Since it is not kneaded and not cured, it can be used for the next kneading.
[0012]
Further, by regulating the flow direction of the material by the partition plate, two kinds of materials to be kneaded can be kneaded and discharged, or can be discharged as they are without kneading. Furthermore, by making the container into a tube shape, the used container can be crushed into small pieces and discarded.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of a kneading nozzle according to the present invention will be described in detail with reference to the drawings.
[0014]
FIG. 1 shows a kneading nozzle 1 according to the present invention. The kneading nozzle 1 includes a pair of nozzles 11 and 12 each having a half of a kneading passage 10 (FIG. 3) described later, a partition plate 13 disposed between the pair of nozzles 11 and 12, A coupling member 14 that is coupled in a state where the partition plate 13 is sandwiched between the pair of nozzles 11 and 12 is provided.
[0015]
The pair of nozzles 11 and 12 are formed of a resin in a substantially semi-conical shape, and can be attached to and detached from the first container 17 and the second container 18 that contain fluid materials to be kneaded A and B, respectively. The partition plate 13 is provided with a plurality of holes 35a and 35b at predetermined positions, and a part of the material to be kneaded A or B flowing in the nozzle 11 or 12 on one side is connected to the nozzle 12 or 11 side on the opposite side. Also, the materials to be kneaded A and B are kneaded.
[0016]
Further, the coupling member 14 has a cap shape, and as shown in FIG. 2, the partition plate 13 is sandwiched between the pair of nozzles 11 and 12, and these are joined together by covering the partition plate 13. The nozzle 1 is formed. A kneading passage 10 is formed in the kneading nozzle 1.
[0017]
As the first container 17 and the second container 18, a deformable tube-shaped one can be used. As shown in FIG. 1, screws 17A and 18A are provided at the material outlets of the first container 17 and the second container 18, and lids 17A and 18A are attached thereto during storage. In the present embodiment, the first container 17 and the second container 18 contain dental impression materials made of silicon-based two-component resin as the materials A and B to be kneaded.
[0018]
These first and second containers 17 and 18 are, as shown in FIG. 2, provided with, for example, a commercially available squeezer 19 or the like at the lower end thereof, and rotated, whereby the materials to be mixed A, B can be extruded simultaneously. The materials to be kneaded A and B thus extruded are discharged from the tip through the kneading passage 10 of the kneading nozzle 1.
[0019]
Next, the structure of the kneading passage 10 of the kneading nozzle 1 will be described. The kneading passage 10 is basically the same as the internal passage of the kneading apparatus disclosed in JP-A-10-286448.
[0020]
The kneading passage 10 of the kneading nozzle 1 is basically configured by alternately connecting two types of passage groups 20 and 21 as shown in FIG. The first-stage passage group 20A is substantially the same as the second-stage and subsequent passage groups 20, but in order to attach to the material outlets 17A, 18A of the first and second containers 17, 18, the inlet portion thereof. Is provided with mounting screws 11A and 12A.
[0021]
The passage groups 20 and 21 are provided in an appropriate number of stages according to the required degree of kneading of the materials A and B to be kneaded. That is, as the number of stages of the passage groups 20 and 21 is increased, the number of kneading increases and the degree of kneading increases.
[0022]
Here, each of the passage groups 20 and 21 will be described in detail. As shown in FIG. 4, the passage groups 20 and 21 are alternately connected and have two deformation passages 22 and 23 and 24 and 25, respectively. The boundaries of these deformed passages 22, 23 and 24, 25 are partitioned by the partition plate 13 indicated by hatching in the figure and the boundary wall 29 (FIG. 10), but here the illustration is simplified. In order to do so, the boundary wall 29 is omitted. Moreover, the code | symbol P1-P3 in FIG. 4 shows the material passage position of the entrance part, intermediate | middle part, and exit part in one channel | path group 20, and the code | symbol Q1-Q3 shows the entrance part, intermediate | middle part of the other channel | path group 21, The material passage position of the exit part is shown.
[0023]
As shown in FIG. 5, the one passage group 20 has its deformation passages 22 and 23 arranged in the same direction. At one end portion of these deformation passages 22 and 23, vertically long inlet portions 22a and 23a are provided side by side. In addition, horizontally long outlet portions 22b and 23b are provided on the other end portion so as to overlap each other. That is, the outlet portions 22b and 23b are in a state where the inlet portions 22a and 23a are rotated by 90 °.
[0024]
The cross-sectional shapes of these deformation passages 22 and 23 continuously change from the inlet portions 22a and 23a toward the outlet portions 22b and 23b. As for the mode of the change, the cross-sectional area at any position is the same from the inlet portions 22a, 23a to the outlet portions 22b, 23b in each of the deformation passages 22, 23, and only the shape of the cross section changes continuously. Yes.
[0025]
That is, the inlet portions 22a and 23a are rectangles that are long in the X direction. The intermediate portion P2 between the inlet portions 22a and 23a and the outlet portions 22b and 23b has a square cross section, and the outlet portions 22b and 23b are in the X direction. In this case, the rectangle is long in the Y direction orthogonal to each other. The lengths of the deformation passages 22 and 23 are the same. Therefore, the materials A and B to be kneaded passing through the respective deformation passages 22 and 23 have their cross-sectional shape gradually changed from a rectangle long in the X direction to a square, and then gradually changed to a rectangle longer in the Y direction. become.
[0026]
As shown in FIG. 6, the passage group 20 includes an inlet portion 22 a located on the left side in the drawing and an outlet portion 22 b located on the upper side in communication with the deformation passage 22, and the inlet portion located on the right side in the drawing. 23 a and the outlet portion 23 b located below communicate with each other through the deformation passage 23.
[0027]
The other passage group 21 is basically the same as the passage group 20 described above as shown in FIG. 7, but this passage group 21 is located on the left side in the figure as shown in FIG. The inlet portion 24a and the outlet portion 24b located below communicate with each other through the deformation passage 24, and the inlet portion 25a located on the right side in the drawing and the outlet portion 25b located above communicate with each other through the deformation passage 25. That is, this passage group 21 is opposite to the other passage group 20 in the positional relationship between the inlet portions 24a, 25a and the outlet portions 24b, 25b of the respective deformation passages 24, 25.
[0028]
And in the connection part of two types of passage groups 20 and 21, the exit parts 22b and 23b of the deformation | transformation passages 22 and 23 in the upstream passage group 20 are both deformation | transformation passages 24 and 25 in the downstream passage group 21, respectively. The inlet portions 24a and 25a communicate with the upper half and the lower half.
[0029]
Therefore, half of the materials to be kneaded A and B that have passed through the respective deformation passages 22 and 23 in one passage group 20 substantially merge together by entering into the respective deformation passages 24 and 25 in the other passage group 21. It will be. Further, regarding the materials to be kneaded A and B that have passed through, for example, the deformed passage 24, the materials are divided in half at the connecting portions of the two passage groups 20 and 21.
[0030]
Accordingly, the outlet portions 22b to 25b and the inlet portions 22a to 25a of the deformation passages 22 to 25 formed at the outlet side end portion and the inlet side end portion, which are connecting portions of the two passage groups 20 and 21, respectively. However, it constitutes a merging and dividing means for the materials A and B to be kneaded. If a plurality of such passage groups 20 and 21 are connected alternately and in series as shown in FIG. 3, the joining and dividing means for the materials to be kneaded A and B are formed at the respective connecting portions. .
[0031]
When the materials to be kneaded A and B pass through such passage groups 20 and 21, a form as shown in FIG. 9 is shown. In addition, the code | symbol P1-P3 and Q1-Q3 in the figure have shown the material passage position of each channel | path group 20 and 21 in FIG. Reference numerals A and B indicate materials to be kneaded.
[0032]
As can be seen from the figure, the materials to be kneaded A and B are vertically divided into two at the inlet P1 of the passage group 20, and the materials A and B to be kneaded are changed to squares at the intermediate portion P2, respectively. In P3, it changes into a horizontally long square and is arranged vertically.
[0033]
And in the inlet part Q1 of the next channel group 21, the horizontally long materials A and B that have been divided vertically at the outlet part P3 of the previous channel group 20 are superposed, and vertically by the partition plate 13. Divided into two, it becomes a vertically long rectangle. This is a square in the intermediate part Q2, and two kinds of materials to be kneaded A and B are superposed vertically in the horizontally long state at the outlet part Q3, and are stacked in two stages.
[0034]
That is, the materials to be kneaded A and B that have flowed separately at the outlets 22b and 23b of the deformation passages 22 and 23 of the upstream passage group 20 flow into the deformation passages 24 and 25 of the downstream passage group 21, respectively. When entering, it is superimposed vertically and divided into left and right. Thereby, two types of materials to be kneaded A and B are substantially merged and divided. Therefore, as the number of the passage groups 20 and 21 increases, the number of times the material to be kneaded A and B is divided and merged increases, so that the degree of kneading increases.
[0035]
Next, a specific configuration of the pair of nozzles 11 and 12 will be described. The passage groups 20 and 21 of the kneading passage 10 described above are formed by the internal space when the pair of nozzles 11 and 12 and the partition plate 13 are integrated as shown in FIG. The pair of nozzles 11, 12 is formed with half of each of the passage groups 20, 21 divided at the partition plate 13.
[0036]
Here, in the deformed passages 22 and 23 of the one passage group 20, the inlet portions 22a and 23a are arranged in parallel as shown in FIG. 5, and the upper and lower portions are separated from each other toward the outlet portions 22b and 23b. That is, the deformation passages 22 and 23 are in an inverted relationship with each other. Accordingly, the pair of nozzles 11 and 12 are exactly the same, and the kneading passage 10 can be formed by inverting one of them and combining it with the other.
[0037]
Therefore, here, one nozzle 11 will be described. As shown in FIG. 10, the connecting surface 26 of the nozzle 11 is rectangular. The coupling surface 26 is alternately provided with two types of grooves 27 and 28 constituting one half of the two types of passage groups 20 and 21 (FIG. 3) of the kneading passage 10. The first-stage groove 27A is basically the same as the third-stage and subsequent grooves 27, and is widened only on the inlet side to provide the screw 11A.
[0038]
Here, the grooves 27 and 28 will be described. First, as shown in FIG. 10, the groove 27 spreads on both sides of the horizontal center line CL of the coupling surface 26 at the entrance P1, and the width of the groove portion 30 from here to the intermediate part P2 becomes narrow and at the same time the horizontal center line. It is biased to one side from CL. As shown in FIG. 11, the depth of the groove portion 30 is gradually reduced. However, the groove portion 30a from the first-stage inlet portion P1 to the intermediate portion P2 is deeper than the others because it is necessary to provide the screw hole 11A.
[0039]
The cross section of the groove 30 of the inlet P1 in FIG. 11 is a vertically long rectangle as shown in FIG. FIG. 12B shows the entire groove shape when the nozzles 11 and 12 are combined, which will be described later.
[0040]
In FIG. 10, groove portions 31a and 31b from the intermediate portion P2 to the outlet portion P3 of the groove 27 are spread on both sides of the field wall 29 provided on the horizontal center line CL. One of the groove portions 31a is continuous with the groove portion 30 in front of the groove portion 31a. The other groove portion 31b starts from the intermediate portion P2.
[0041]
As shown in FIG. 11, the depth of the groove portion 31a above the boundary wall 29 gradually decreases, and the depth of the groove portion 31b below the boundary wall 29 gradually increases from zero. And in the exit part P3, the depth of both the groove parts 31a and 31b is the same.
[0042]
In the cross section of the groove of the intermediate part P2, as shown in FIG. 13A, the groove part 31a is square, and the groove part 31b has not yet appeared. Further, as shown in FIG. 14A, the cross section of the groove of the outlet portion P3 is rectangular with both the groove portions 31a and 31b sandwiching the boundary wall 29 therebetween.
[0043]
Next, the groove 28 will be described. As shown in FIG. 10, the groove portion 32 from the inlet portion Q1 to the intermediate portion Q2 is continuous from the outlet portion P3 of the upstream groove 27, and its width is the horizontal center line. It spreads on both sides of CL. The groove portion 32 has no boundary wall 29, and its depth gradually increases as shown in FIG. Further, the cross section of the groove is a vertically long rectangle as shown in FIG.
[0044]
As shown in FIG. 10, groove portions 33 a and 33 b are provided on both sides of the boundary wall 29 from the intermediate portion Q <b> 2 to the outlet portion Q <b> 32 of the groove 28. In the drawing, the lower groove portion 33 b is continuous with the front groove portion 32. Further, the upper groove portion 33a starts from the intermediate portion Q2.
[0045]
As shown in FIG. 11, the depth of one groove portion 33a gradually increases from 0, and the other groove portion 33b gradually decreases. And the depth of both the groove parts 33a and 33b is the same at the exit part Q3.
[0046]
In the cross section of the groove of the intermediate portion Q2, as shown in FIG. 16A, one groove portion 33b is square, and the other groove portion 33a has not yet appeared here. Further, as shown in FIG. 17A, the cross section of the groove of the outlet portion Q3 is a horizontally long rectangle with both groove portions 33a and 33b sandwiching the boundary wall 29 therebetween.
[0047]
Next, the partition plate 13 will be described. As shown in FIG. 18, the partition plate 13 is a long and narrow rectangle, and trapezoidal holes 35a and 35b are provided at predetermined positions with a rib 35c interposed therebetween. The holes 35a and 35b are aligned with the groove portions 31a, 31b, 33a and 33b from the intermediate portions P2 and Q2 of the grooves 27 and 28 of the nozzles 11 and 12 to the outlet portions P3 and Q3, and the ribs 35c are arranged in the boundary wall 29. Are aligned with each other.
[0048]
When the nozzles 11 and 12 provided with the above-described grooves 27 and 28 are assembled with the partition plate 13 interposed therebetween, the overall groove shape is as shown in FIGS. 12 (B) to 17 (B). That is, at the inlet portion P1 of the groove 27, inlet portions 22a and 23a (FIG. 6) of the deformation passages 22 and 23 are formed on both sides of the partition plate 13 as shown in FIG.
[0049]
In the intermediate portion P2 of the groove 27, as shown in FIG. 13B, square passages are formed on the opposite sides of the horizontal center line. And in the exit part P3 of the groove | channel 27, as shown to FIG. 14 (B), the exit parts 22b and 23b of the deformation | transformation channel | paths 22 and 23 are formed in the upper and lower sides of the field wall 29, as shown in FIG.
[0050]
In the inlet portion Q1 of the next groove 28, vertically long inlet portions 24a and 25b are formed on both sides of the partition plate 13 as shown in FIG. 15B, and in the intermediate portion Q2, as shown in FIG. 16B. Square passages are formed on both sides of the partition plate 13. And in the exit part Q3, as shown to FIG. 17 (B), the exit parts 24b and 25b of the deformation | transformation passages 24 and 25 are formed in the up-and-down both sides of the field wall 29. As shown in FIG. The groove shapes in FIGS. 12B to 17B described above correspond to the shape of the passage in FIG.
[0051]
When this kneading nozzle 1 is used, as shown in FIG. 2, kneading nozzles 11 and 12 are mounted on the first container 17 and the first container 18, and between these kneading nozzles 11 and 12. The kneading nozzle 1 is assembled by covering the coupling plate 14 with the partition plate 13 in between.
[0052]
In this case, since the first container 17 and the second container 18 are arranged in parallel, the side surfaces of the first container 17 and the second container 18 are pressed by attaching the restrictor 19 to the lower end of the first container 17 and turning it. The materials to be kneaded A and B accommodated in the respective interiors are extruded.
[0053]
The materials A and B to be kneaded are discharged through the kneading passage 10 of the kneading nozzle 1. At this time, as described above, the division passages 22 to 25 repeat the division and merging of the materials to be kneaded A and B, and the compressive force is applied from the wall surfaces as the sectional shapes of the deformation passages 22 to 25 change. Since receiving and deforming, the materials A and B to be kneaded are sufficiently kneaded.
[0054]
When the kneading nozzle 1 is used after the kneading nozzle 1 is used in this way, the kneading nozzle 1 is disassembled as shown in FIG. To expose. As a result, the materials to be kneaded A and B remaining in the grooves 27 and 28 provided on the coupling surface 26 are exposed.
[0055]
Here, since the materials A and B to be kneaded on the tip side of the nozzles 11 and 12 are sufficiently kneaded and cured, they are taken out together with the partition plate 13 and discarded. Since the partition plate 13 has a simple configuration, it can be cleaned and reused. Moreover, since the materials to be kneaded A and B are not yet kneaded on the base side of the nozzles 11 and 12, they remain in a liquid state. Therefore, this non-kneaded part can be left as it is and used for the next kneading.
[0056]
Thus, the kneading nozzle 1 according to the present invention is easy to mold because the grooves 27 and 28 of the nozzles 11 and 12 are exposed. Further, since the nozzles 11 and 12 are attached to the first and second containers 17 and 18 possessed by the user, each part of the kneading nozzle 1 can be sent in a disassembled state when the product is shipped. Therefore, assembly is not necessary.
[0057]
Furthermore, since the unkneaded materials A and B remaining on the base side after use can be used at the next kneading, waste of the materials K and A can be eliminated. In addition, it is only the partition plate 13 that is simple and very inexpensive to replace after a single use, and the nozzles 11 and 12 and the coupling member 14 that are relatively complicated in configuration can be used repeatedly. Consumables are reduced.
[0058]
Furthermore, since the nozzles 11 and 12 can be securely attached to the first and second containers 17 and 18 by screws, the attaching operation is easy and the materials to be kneaded A and B do not leak from the joints. Further, in order to extrude the materials A and B to be kneaded, it is not necessary to use a conventional mixing gun or the like, and a simple squeezer or the like that is generally commercially available can be used. From the above, a significant cost reduction for the user is possible.
[0059]
Moreover, since the 1st container 17 and the 2nd container 18 can use the tube-shaped thing generally used for various products, the to-be-kneaded materials A and B are filled into the 1st container and the 2nd container 18. In this case, a general filling method that has been conventionally performed can be employed. Further, as shown in FIG. 20, the first and second containers 17 and 18 can be crushed and discarded after use, so that the amount of waste such as industrial waste and medical waste can be reduced. It is also advantageous for environmental protection.
[0060]
(Second Embodiment)
In the first embodiment described above, the flow direction of the materials to be kneaded A and B flowing in the nozzles 11 and 12 is regulated by opening the holes 35a and 35b in the partition plate 13, and the nozzles 12 and 11 side on the opposite side are controlled. In addition, the materials A and B to be kneaded are mixed by flowing, but by using a partition plate 36 having no holes as shown in FIG. 21, the first and second containers 17 are shown in FIG. The materials to be kneaded A and B pushed out from 18 can be directly discharged from the kneading nozzle 1 without kneading. In this case, it becomes possible to knead the specific kneaded materials A and B discharged separately at an arbitrary ratio by manual work or the like.
[0061]
In the above-described embodiment, the deformed passages 22, 23 and 24, 25 of each of the passage groups 20, 21 are doubled, but the deformed passages can be tripled or more. By doing so, it becomes possible to increase the degree of kneading of the materials A and B to be kneaded. Furthermore, the materials A and B to be kneaded can be applied to various materials other than dental impression materials that require kneading as long as they have appropriate fluidity and are contained in a tube-shaped container. It is. Further, the pressing of the first and second containers 17 and 18 is not limited to the diaphragm 19 and can be performed manually, or can be automatically performed using a motor or the like. As a result, kneading work and other work are facilitated.
[0062]
【The invention's effect】
As described above, according to the present invention, the kneading passages provided in the pair of nozzles of the kneading nozzle can be exposed, so that molding is facilitated and the kneading nozzle is disassembled at the time of product shipment. Since it can be shipped in a state, it is possible to reduce the molding cost and assembly cost of the parts.
[0063]
In use, the pair of nozzles and the coupling member can be used repeatedly only by discarding the cured portion of the material to be kneaded and the partition plate, and the uncured material to be kneaded remaining on the base side of the nozzle Can be used for the next kneading, and further, since the material to be kneaded does not leak out during use, waste of the material to be kneaded can be eliminated, and the cost of the user can be reduced.
[0064]
Further, by restricting the flow direction of the material by the partition plate, it is possible to select whether the two kinds of materials to be kneaded are discharged after being kneaded or discharged without being kneaded.
[0065]
Furthermore, the material to be kneaded can be filled by a conventional filling method by making the first and second containers into a generally widely used tube shape. In addition, since the used container can be crushed and discarded, the amount of industrial waste and medical waste can be reduced, which is advantageous in terms of environmental protection.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of a kneading nozzle according to the present invention.
FIG. 2 is a diagram showing a use state of a kneading nozzle according to the present invention.
FIG. 3 is a cross-sectional view showing a kneading passage of a kneading nozzle according to the present invention.
FIG. 4 is a perspective view showing a group of kneading passages of the kneading nozzle according to the present invention.
FIG. 5 is a perspective view showing one passage group of a kneading nozzle according to the present invention.
FIG. 6 is a perspective view showing a separated state of one passage group of the kneading nozzle according to the present invention.
FIG. 7 is a perspective view showing the other passage group of the kneading nozzle according to the present invention.
FIG. 8 is a perspective view showing a separated state of the other passage group of the kneading nozzle according to the present invention.
FIG. 9 is a view showing a change in the cross section of the passage group of the kneading nozzle according to the present invention.
10 is a view showing a groove of each nozzle of the kneading nozzle according to the present invention, and is a cross-sectional view taken along line AA of FIG.
11 is a sectional view taken along line BB in FIG.
FIG. 12 is a cross-sectional view of a kneading nozzle according to the present invention at a passage position P1.
FIG. 13 is a cross-sectional view of a kneading nozzle according to the present invention at a passage position P2.
FIG. 14 is a cross-sectional view of a kneading nozzle according to the present invention at a passage position P3.
FIG. 15 is a cross-sectional view at a passage position Q1 of the kneading nozzle according to the present invention.
FIG. 16 is a cross-sectional view of a kneading nozzle according to the present invention at a passage position Q2.
FIG. 17 is a cross-sectional view at a passage position Q3 of the kneading nozzle according to the present invention.
FIG. 18 is a front view showing a partition plate of a kneading nozzle according to the present invention.
FIG. 19 is a perspective view showing an exploded state of the kneading nozzle according to the present invention.
FIG. 20 is a perspective view showing a discarded state of a container to which the kneading nozzle according to the present invention can be attached.
FIG. 21 is a perspective view showing a partition plate of a second embodiment of a kneading nozzle according to the present invention.
FIG. 22 is a diagram showing a usage state of the second embodiment of the kneading nozzle according to the present invention.
[Explanation of symbols]
1 Nozzle for kneading
10 Kneading passage
11, 12 nozzles
13, 36 Partition plate
14 Connecting members
17 First container
18 Second container
A, B Materials to be kneaded

Claims (7)

The two kinds of materials to be kneaded are mounted on the first and second containers separately containing the two kinds of materials to be kneaded, and the two kinds of materials to be kneaded pushed out from the first and second containers have the same discharge port. A kneading nozzle for discharging from
A pair of nozzles each having one half of a kneading passage through which the two kinds of materials to be kneaded pass, and attached to respective material outlets of the first and second containers;
A partition plate disposed between the pair of nozzles and restricting the flow direction of the two types of materials to be kneaded in the kneading passage;
A kneading nozzle, comprising: a coupling member that couples the pair of nozzles with the partition plate interposed therebetween. The two kinds of materials to be kneaded have a function of giving a compression action and a deformation action based on the compression action, and a function of causing the two kinds of materials to be kneaded to merge and split. 2. The kneading nozzle according to 1. The kneading nozzle according to claim 1 or 2, wherein the partition plate regulates a flow direction so as to knead the two kinds of materials to be kneaded. The kneading nozzle according to claim 1 or 2, wherein the partition plate regulates a flow direction so as not to knead the two kinds of materials to be kneaded. The kneading nozzle according to any one of claims 1 to 4, wherein the first and second containers have a tube shape. The kneading nozzle according to any one of claims 1 to 5, wherein the pair of nozzles are attached to the first and second containers by screws. The kneading nozzle according to any one of claims 1 to 6, wherein the two kinds of materials to be kneaded are dental impression materials made of a silicon-based two-component resin.

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