WO2017179753A1

WO2017179753A1 - Structure of refill capsule composed of capsule body and operating part

Info

Publication number: WO2017179753A1
Application number: PCT/KR2016/004076
Authority: WO
Inventors: 이정민
Original assignee: 이성재; 이정민; 이수재
Priority date: 2016-04-13
Filing date: 2016-04-20
Publication date: 2017-10-19

Abstract

The present invention relates to a structure of a refill capsule comprising: a capsule body having an annular rim at an upper end thereof so as to be caught in a content container neck and a body portion at a lower portion thereof, in which the body portion has an upper soft portion at an upper end thereof; and an operating part, wherein the operating part comprises: an operating part sealing portion which comes into close contact with an inner wall of an upper end of the body portion of the capsule body to be sealed; a pressing portion above the operating part sealing portion; a tube portion having an upper space and a lower space below the operating part sealing portion; and a sealing portion which seals an inner storage space of the capsule body as a lower end of the body portion of the capsule body at a lower end portion of the tube portion, wherein the refill capsule is configured such that when the pressing portion of the operating part is pressed, the sealing portion formed at the lower end of the tube portion is opened.

Description

Refill Capsule Structure Composed of Capsule Body and Actuator

The present invention relates to a container equipped with a trigger sprayer (trigger sprayer) and a pump dispenser, and a capsule for refilling by mixing heterogeneous materials on the fly by combining a capsule with the container without using a container after using the contents in the container. The present invention relates to a structure of a capsule for refill, wherein the capsule is easily coupled to various types of containers, and functionally composed of a capsule body and an operation unit.

As a conventional technique, as a conventional technique, US Patent 3,655,096 / 7,331,486 / 6,041,969 /

5,421,483 / 6,182,865 / 6,290,100 and US Patent Publication 2007/228074 and US Patent 5,957,335 /

6,152,326 / 5,529,216 / 5,836,479 / 8,302,816 / 8,261,943 / 4,201,316 / 6,997,351 / 7,874,420 and as present inventors, PCT / KR2010 / 8175, PCT / KR2016 / 2097, PCT / KR2016 / 2098,

PCT / KR2016 / 2739, PCT / KR2016 / 3752, and the present invention relates to the improvement of the above described technology.

Due to the advancement of the industry and the change of living environment, the spray container is widely used for home and industrial use. These widely used atomizers have come to a serious standpoint of convenience and now causing environmental problems.

As described above, there is a problem of environmental pollution on the convenient back side of the sprayer, and manufacturers who employ and distribute the sprayer encourage products for refilling to reuse the container after use. However, the problem is that the use is cumbersome and has not been popularized yet difficult to purchase.

On the other hand, in the case of a consumer, using a finished product that is easy to use rather than a refilling product is more expensive, but the satisfaction of convenience is greater and the refill culture has not yet been popularized.

In the container equipped with the nebulizer as described above, research and development of refilling apparatuses in many fields regardless of companies or individuals to reuse the container, for example, in the case of US Patent 3,655,096 / 7,331,486, It was configured to open the receiving portion of the capsule device through the end, there was a closed end that is impossible to open the capsule device with the discharge pipe of the pump device generally distributed.

In the case of US Patent 6,041,969 / 5,421,483 / 6,182,865 / 6,290,100 and US Patent Publication 2007/228074 and US Pat. However, as a disadvantage, only the discharge pipe of the pump device is accommodated in the center position, and the discharge pipe of the pump device was formed in the side away from the center, there was a closed end is not applicable.

As another type, U.S. Patent No. 6,152,326 / 5,529,216 / 5,836,479 is a technology characterized by forming a plurality of storage space in the receiving portion of the capsule device, and configured to be refilled at least twice through one capsule device.

However, as a problem of the above technology, it is impossible to open the storage space of the accommodating part through a pump device that is commonly distributed, and thus there is a closed end configured to open the storage space of the accommodating part by adding a separate auxiliary means.

As another type of technology, U.S. Patent No. 8,302,816 has a filling unit for filling heterogeneous materials in the storage space of the capsule device, and despite the above, a closed end that can accommodate only the discharge pipe of the pump device is formed in the center. there was.

As another type, U.S. Patent No. 8,261,943 is a technique characterized by a larger discharge pipe coupling space in the capsule device to accommodate the pump device in the capsule device regardless of the discharge pipe configuration position of the pump device.

However, as a problem, in order to mix the heterogeneous substances in the capsule device, there was a closed end of removing the plug formed at the bottom of the capsule device and mixing the heterogeneous material into the container through the outlet from which the cap was removed.

As another type, in the case of US Patent 4,201,316, when the pump unit is coupled, the sealing unit sealing the lower end of the accommodating part is perforated to the upper part in the process of coupling the capsule device, and the heterogeneous material contained in the storage space of the accommodating part in the process It is a technique that is mixed into a container.

However, as a problem, there was a closed end that can be used only in the center of the discharge pipe of the pump device.

As another type, in the case of US Patent 6,997,351, the receiving portion installed inside the process of rotating the capsule device is lowered, and the sealing portion for sealing the lower end of the storage space in the above process is perforated to the heterogeneous material This is a mixed technique.

However, this also had a closed end that can be used only in the center of the discharge pipe of the pump device.

As another type, US Pat. No. 7,874,420 is a technology configured to open the storage space of the receiving portion while the upper surface of the capsule device is folded down.

However, there was a closed end that can only be used in the center of the discharge pipe of the pump device.

As another type of PCT / KR2010 / 8175 of the present inventors, the operation part provided to open the receiving part of the capsule device is in the form of a film, but it is very easy to open the receiving part of the capsule device. However, the problem was the closed end that can be applied only when the discharge pipe of the pump device is in the center.

And as another of the present invention, PCT / KR2016 / 2097 (Fig. 52, Fig. 53, Fig. 54),

PCT / KR2016 / 2098 (Drawing 54, Drawing 56), PCT / KR2016 / 2739 (Drawing 8),

In the case of PCT / KR2016 / 3752 (Fig. 19), the capsule is designed to be used regardless of the configuration of the discharge pipe of the pump device.

As a problem of the prior art as described above, there is no technology that can be applied to the refill capsule device irrespective of the discharge pipe configuration position of the pump device, and thus the present invention overcomes the above-mentioned conventional problem, and further, It is an object of the present invention to provide a refillable capsule that is more functionally improved by clarifying an operation structure of a refillable capsule composed of a capsule body and an operating unit.

The upper part of the container frame to the hook neck, the lower body of the annulus to the capsule body consisting of the body portion, the inside of the capsule body is coupled to the operating portion, the operating portion is in close contact with the upper inner wall of the body portion of the capsule body is sealed The operating part sealing part and the upper part of the operating part sealing part, the pressing part, and the lower part of the operating part sealing part has a pipe part having an upper space and a lower space, the lower end of the tube part of the body of the capsule body and the capsule body It has a sealed portion to seal the internal storage space of the pressurizing portion of the pressing portion of the refill capsule is configured to open the sealing portion formed in the lower end of the tube portion, and the upper end of the body portion is formed a soft upper body portion soft.

And the soft torso of the soft part is made of a rubber material, the rubber is selected from styrene-butadiene rubber (SBR) or special synthetic rubber or natural rubber.

In addition, the styrene-butadiene rubber (SBR) can be selected from EPED, EPT, CR (basic rubber), NBR, BR, in the case of special synthetic rubber, fluorine rubber, silicone rubber, acrylic rubber, urethane rubber It is selected from butyl rubber, epichlorohydrin rubber, geocoll rubber, and hyperparon rubber.

And the upper end portion of the upper soft part of the annular soft part and the annulus is soft rubber, the inner part of the upper soft part of the upper body part is the inner wall of the upper end of the soft body, the outside is a synthetic resin.

In addition, the synthetic resin is selected from PE, PP, PET, PS, PA, PC, PVC, the upper part of the trunk portion may be injection molded by a multiple injection molding machine.

In addition, the lower end of the tube part has a lower part of the body of the capsule body and a sealing part for sealing the internal storage space of the capsule body, and the soft part is added to the sealing part, and the soft rubber is formed by a multi-injection molding machine. Molded injection.

Preferably, the trunk upper soft part may be selected from compression molding, transfer molding, lamination molding, injection molding, extrusion molding, and pro molding.

In addition, the lower end of the tube part has a body part of the lower end of the capsule body and a sealing part for sealing the internal storage space of the capsule body, and the sealing part is added with a soft rubber, the soft rubber is compression molding, transfer molding , Injecting molding, injection molding.

In addition, the lower end of the body portion in the torso load soft part to put, the torso part soft part is made of a rubber material.

In addition, a protective frame divided by a cutting line is formed in the upper foreign exchange part of the operating part sealing part of the operating part, and an induction part is provided in the upper foreign exchange part of the operating part sealing part of the operating part.

In addition, the operating part upper end sealing part of the operating part is provided with a soft operating part sealing part.

The finished product before refilling has a lot of display space in the store, and the distribution cost is excessively increased due to overweight, and the environmental pollution caused by the disposal of the container is serious, but the capsule device of the present invention is less than one fifth of the finished product. Not only does not occupy much of the display space of the store in the volume, as well as the weight is also very light, less than 1/20, significantly reducing the distribution cost, and also has a big feature that can reduce the waste pollution by recycling refill.

Alternatively, it is possible to enter various industries due to its simple method of use, and also has a net function of promoting industrial development by promoting consumption.

In addition, there is a big advantage of improved sealing property between the capsule body and the operating part by placing the upper body portion of the rubber material.

1 is a longitudinal cross-sectional view of the capsule for refilling the present invention, in detail, a longitudinal cross-sectional view taken along line Y'-Y 'of FIG.

2 is a longitudinal cross-sectional view taken along the line Y-Y of FIG. 5.

3 is a longitudinal cross-sectional view showing a state in which the sealing unit is opened by operating the operating unit in the same state as in FIG. 1,

Figure 4 is a perspective view of the capsule showing a state in which the sealing portion is opened by pressing the pressing portion of the operating portion.

5 is a front view of the capsule,

6 is a side view (here left side view) of the capsule.

7 is a longitudinal cross-sectional view of the operation portion;

8 is a front view of the operating unit.

9 is a longitudinal cross-sectional view of the discharge device is coupled to the discharge pipe in the center after the capsule is coupled to the neck of the container,

Figure 10 shows a longitudinal cross-sectional view of the discharge device is coupled to the discharge pipe side after the capsule is coupled to the neck of the container.

11 is a front view showing another embodiment of the capsule body,

12 is a longitudinal sectional view showing another embodiment of the operation unit.

Figure 13 shows a state in which the discharge device of the other form coupled to the upper space of the capsule is deformed,

14 is a longitudinal sectional view showing another example of the operation part.

15 is a longitudinal sectional view showing another embodiment of a capsule,

Figure 16 shows another embodiment of the capsule, showing a perspective view showing a state in which the operating portion is operated by the pressing of the pressing portion.

17 shows an example in which the actuating part sealing part of the actuating part is deformed into a soft actuating part sealing part by a rubber material by compression or transfer or lamination or injection molding.

18 to 23 show another embodiment of the present invention, Figure 18 is a perspective view of a capsule,

19 is a longitudinal sectional view taken along the line A-A of FIG. 18,

20 is a longitudinal sectional view taken along line B-B of FIG. 18,

21 is a longitudinal sectional view showing a state of use of the capsule,

22 is a longitudinal sectional view showing a state for putting contents into a capsule,

Figure 23 shows a longitudinal cross-sectional view of the capsule body among the components of the capsule.

The upper end of the annulus 102 to be caught in the neck of the container, the lower body of the annulus 102, the body main body 100 is configured, the interior of the capsule body 100, the operating part 200 ) And the operation part 200 has an operation part sealing part 205 which is in close contact with the top inner wall of the body part 101 of the capsule body 100 and is sealed.

And the upper part of the operating part sealing part 205, the pressing part 201, the lower part of the operating part sealing part 205 has a pipe part 202 having an upper space 203 and the lower space 204, At the lower end of the tube part 202, the lower part of the body part 101 of the capsule body 100 and the sealing part 300 which seals the internal storage space 106 of the capsule body 100 are provided, and the operation part 200 is provided. When pressing the pressing portion 201 of the) is configured to open the sealing portion 300 formed in the lower end of the tube portion 202.

In addition, the upper end of the body portion 101 is formed a soft upper body portion soft part 103, the soft body upper soft part 103 is preferably made of a rubber material.

And the rubber may be selected from styrene-butadiene rubber (SBR) or special synthetic rubber or natural rubber, in the case of the styrene-butadiene rubber (SBR), EPED, EPT, CR (basic rubber), NBR, It may be selected from BR.

In addition, in the case of the special synthetic rubber, it may be selected from fluorine rubber, silicone rubber, acrylic rubber, urethane rubber, butyl rubber, epichlorohydrin rubber, geocoll rubber, hyphalon rubber, but is not limited thereto.

And the upper end of the upper body portion 103 of the annular upper soft part 104 and the annulus 102 is a soft rubber, the inner side of the upper body portion of the upper body portion 103 is soft rubber 103 ') And the outer side is a good example of synthetic resin.

The synthetic resin may be selected from PE, PP, PET, PS, PA, PC, and PVC, but is not limited thereto.

In addition, if the present invention provides a molding method of the upper portion of the upper portion 103, the upper portion of the upper portion 103 may be injection molded by a multiple injection molding machine.

In the capsule 1 of the present invention as described above, the capsule 1 is coupled to the container neck (also referred to as the container bulb in the present invention) in the state as shown in FIG. Pressing 201, the operation part sealing part 205 is lowered down the inner wall portion of the body portion 101, the sealing portion 300 connected to the lower end of the tube portion 202 in the above-described process, the lower body soft part 105 In the above process, the contents of the storage space 106 are dropped and mixed into the inner container storage space of the container.

In this state, when the discharge pipe of the discharge device is coupled to the upper space 203 as the center, if the discharge pipe is in the side, the discharge pipe is collected into the lower space 204 of the center and the discharge pipe is inserted into the container storage space. .

For reference, the upper space 203 has a wide form of space extending laterally from the central portion, and thus the upper space 203 extends only from the center to the side, or from the center to both sides or from the center. The upper space may be expanded in various ways such as in all directions.

3 and 4 is a longitudinal sectional view and a perspective view showing a state in which the operation unit 200 is operated.

5 shows that the upper body portion soft part 103 and the upper body portion soft part 105 is formed in the upper and lower capsule body 100, in particular one or more reinforcing pieces 107 in a portion of the upper body portion soft part 103 It shows that this was formed.

As shown in FIG. 5, the reinforcing piece 107 shown in FIG. 5 is extended to a part of the annulus 102, and thus the end of the reinforcing piece 107 is smooth when caught by the neck of the container. It also serves to prevent the 102 from easily folding downward.

In the case of Figure 7, as shown in the longitudinal cross-sectional view of the operating unit 200, as shown, the upper space 203 is expanded, the lower space 204 is shown to be narrowed.

Incidentally, similar expansion states of the upper space 203 and the lower space 204 will cause a volume loss of the storage space 106, and thus, preferably, the lower space 204 is the upper space 203. A narrower state is more desirable for increasing the volume of the storage space 106.

In the case of FIG. 8, the front view of the operation unit 200 is illustrated as a reference, but the front view may be a side view or a rear view according to an angle of viewing the operation unit 200, which may not be the target of sibibibi.

9 shows that the capsule 1 is coupled to the container neck of the container 400, preferably to the container sphere 401, and then the operating unit 200 is actuated by the compression of the pressing unit 201 after being combined. While the sealing part 300 is opened in the above process, the contents of the storage space 106 are shown in a state in which the discharge device 500 is coupled in a state in which the contents are dropped and mixed in the container storage space 402.

In particular, as the discharge pipe 501 of the discharge device 500 is shown in the center (see Fig. 9), as shown, the discharge pipe 501 is a container directly through the lower space without receiving any resistance in the upper space 203 It is shown that the storage space 402 has been moved.

When the discharge device 500 is operated in the above state, the mixed contents of the container storage space 402 are discharged through the discharge pipe 501.

In the case of FIG. 10, the discharge pipe 501 ′ of the discharge device 500 is illustrated on the side, and in this case, the lower space 204 through the upper space 203 in which the discharge pipe 501 ′ extends laterally. Will be moved to).

As the following description, in the configuration of the lower space 204 narrowed in the expanded upper space 203, forming the lower space 204 in the center, manufacturing automation equipment in the combination of the sealing portion 300, etc. This is because it is easy.

However, the present invention is not limited thereto, and as shown by a dotted line in FIG. 8, the lower space 204 may be formed in a laterally extended direction, and in this case, the sealing part 300 may be coupled accordingly.

In particular, in the case described above, the sealing part 300 may be designed to be limitedly reduced to one side, and the remaining part may be drilled and the contents may be sealed in the storage space 106 through the part, but this technique is not preferable. Will not.

As illustrated in FIG. 11, the upper torso soft part 103 and the lower torso soft part 105 are connected to each other by the resin connection part 108, but this is only a reference showing one configuration of the molding method. The connection unit 108 may be added with various identification, such as shape, letters or numbers depending on the method.

In one method, the brand name may be molded by multiple injection molding machines.

As a supplementary description, the capsule 1 as described above is sealed at the lower end of the tube part 202 to seal the inner storage space 106 of the body part 101 and the lower end of the body 100 of the capsule body 100. In placing the part 300, a soft rubber is added to the sealing part 300, and the soft rubber may be molded and injected by a multi-molding injection machine.

In addition, the trunk portion upper soft part 103 constituting a part of the capsule (1) can be selected from compression molding, transfer molding, lamination molding, injection molding, extrusion molding, pro molding, in the case of extrusion molding annute 102 Naturally, the post-addition process is required, and the main body soft part 103 may be able to achieve the body part 101 of the capsule body 100 by a tube manufacturing method as necessary.

That is, the upper body portion soft part 103 including the annulus 102 is molded and injected, the tube is attached to the upper body soft part 103, the operation part sealing part 205 is coupled to the surface constituting the tube It is also possible to improve the sealing performance.

And the lower end of the tube portion 202 constituting a part of the capsule (1) is a lower body 300 of the body portion 101 of the capsule body 100 and the sealing part 300 for sealing the internal storage space 106 of the capsule body 100 In the case of), a soft rubber is added to the sealing part 300, and the soft rubber may be selected from compression molding, transfer molding, redundancy molding, and injection molding. 15 and 16 are illustrated.

In addition, the lower body of the trunk portion 101 constituting a part of the body portion 101 in the lower body portion of the soft part 105, the body portion of the soft part 105 is preferably a rubber material.

As another embodiment (see FIG. 12), a protective frame 207 partitioned by a perforation line 206 is formed in the upper foreign exchange portion of the operating portion sealing portion 205 of the operating portion 200 constituting a part of the capsule 1. In order to facilitate implementation of the protection frame 207, a part of the protection frame 207 has a protruding protrusion 209, and the protection frame 207 having the protrusion 209 has a cutting line 210. It may be used to remove a portion of the protective frame 207 by lifting a portion of the protective frame (207).

As another embodiment (see FIG. 13), as shown in accordance with the structure of the upper space 203 of the operation unit 200, the discharge device 500 having the pumping unit 502 may be combined.

In another embodiment (see FIG. 14), the induction part 211 is provided in the upper foreign exchange part of the operation part sealing part 205 of the operation part 200 constituting a part of the capsule 1, and the induction part 211 described above. The operating part sealing unit 205 has a more advantageous advantage in descending vertically along the inner wall portion of the capsule body 100.

Therefore, the induction part 211 may be changed into various shapes such as an annular shape or a part of which is split.

As another embodiment (see FIG. 15), the trunk portion extending portion 109 constituting a part of the capsule 1 may have a form in which the entire upper portion of the trunk portion 101 extends, in which case the trunk portion extending portion 109. As shown in FIG. 16, the inner wall portion may be formed of a soft trunk upper end inner wall portion 103 ′.

And the inner portion of the capsule body 100 may be provided with a pipe support 110 to help the vertical lowering of the pipe 202, in this case, the pipe support 100 to leave a plurality of perforations of the storage space 106 Prevent some from communicating.

Alternatively, as illustrated in FIG. 14, one or more elongated downwardly extending protrusions 212 may facilitate the vertical lowering of the actuator 200.

In addition, as shown in FIG. 15 or FIG. 16, the sealing part 300 may include a soft soft reinforcing surface 302 and a sealing frame 303.

As another embodiment (see FIG. 17), it is possible to form the soft operating part sealing part 205 'as the outer part of the operating part upper end sealing part of the operating part 200 which constitutes a part of the capsule 1.

18 to 23 illustrate an example of modification of the capsule 1 of the present invention.

As shown in FIGS. 18, 19 and 20, it is possible to change the shape of the pressing portion 201 'in the structure of the capsule 1, and the reason is that the pressing portion 201' is shown in FIG. The pressing unit 201 ′ controls the inclination of the operating unit 200 toward one side while the operating unit 200 is lowered while the sealing unit 300 is opened by pressing.

As shown in the figure, since the upper part of the press part 201 'is extended widely, it is possible.

22 is a view showing a state for putting contents such as liquid into the storage space 106, and FIG. 23 is a longitudinal cross-sectional view showing the capsule body 100 in a state before assembling the operation unit 200. It is a reference figure for clearer description.

The present invention is a refill capsule having a posture control unit that can be widely used in industries such as cleaning products, garden products, and homes.

Claims

The upper part of the container frame to the hook neck, the lower body of the annulus to the capsule body consisting of the body portion, the inside of the capsule body is coupled to the operating portion, the operating portion is in close contact with the upper inner wall of the body of the capsule body sealed The operating part sealing part and the upper part of the operating part sealing part, the pressing part, and the lower part of the operating part sealing part has a pipe part having an upper space and a lower space, the lower end of the tube part of the body of the capsule body and the capsule body In the refill capsule configured to have a sealed portion for sealing the internal storage space of the, and to press the pressing portion of the operating portion to open the sealing portion formed at the lower end of the pipe portion,

The structure of the capsule for refill consisting of the capsule body and the operating portion, characterized in that the upper body portion formed on the upper soft portion of the upper body portion.
The refill capsule structure of claim 1, wherein the soft torso-like soft portion is made of rubber.
The refill capsule structure of claim 2, wherein the rubber is selected from styrene-butadiene rubber (SBR) or a special synthetic rubber or natural rubber.
The structure of claim 3, wherein the styrene-butadiene rubber (SBR) may be selected from EPED, EPT, CR (basic rubber), NBR, and BR.
The method of claim 3, wherein the special synthetic rubber is a capsule body, characterized in that selected from fluorine rubber, silicone rubber, acrylic rubber, urethane rubber, butyl rubber, epichlorohydrin rubber, geocoll rubber, hyphalon rubber The structure of the refill capsule consisting of the operating part.
According to claim 1, wherein the upper end of the upper body portion is a refilled capsule structure consisting of the capsule body and the operating portion, characterized in that the annular upper soft portion and the annular soft rubber.
The refill capsule structure of claim 1, wherein an inner portion of the upper portion of the upper body portion is a soft inner portion of the upper portion of the body portion, and an outer portion of the upper portion of the body portion is a synthetic resin.
8. The refill capsule structure of claim 7, wherein the synthetic resin is selected from PE, PP, PET, PS, PA, PC, and PVC.
According to claim 1, wherein the upper portion of the trunk portion of the refill capsule consisting of a capsule body and the operating portion, characterized in that the injection molded by a multi-molded injection machine.
According to claim 1, wherein the lower end of the tubular body portion of the capsule body and the sealing portion for sealing the internal storage space of the capsule body is provided, the sealing portion is added to the soft rubber, the soft rubber is Refill capsule structure consisting of the capsule body and the operating unit characterized in that the injection molding by a multi-injection molding machine.
According to claim 1, wherein the upper portion of the trunk portion of the refill capsule structure consisting of the capsule body and the operating unit, characterized in that selected from compression molding, transfer molding, lamination, injection molding, extrusion molding, pro molding.
According to claim 1, wherein the lower end of the tubular body portion of the capsule body and the sealing portion for sealing the internal storage space of the capsule body is provided, the sealing portion is added to the soft rubber, the soft rubber is Refill capsule structure consisting of the capsule body and the operating unit characterized in that selected from compression molding, transfer molding, redundancy molding, injection molding.
The method of claim 1, wherein the lower end of the body portion in the body portion of the load soft part, the body of the soft part of the body portion of the refill capsule consisting of a capsule body, characterized in that the rubber material.
The method of claim 1, wherein the operating portion of the upper portion of the closing portion of the operating portion of the sealing portion structure of the capsule body and the refill capsule consisting of a capsule body, characterized in that the protective frame is formed by a cut line.
According to claim 1, wherein the operating portion of the operating portion of the closing portion of the upper foreign exchange portion of the capsule body and the structure of the refill capsule consisting of the operating portion characterized in that the induction portion.
2. The refill capsule structure of claim 1, wherein a soft operating part sealing part is provided as an outer part of the operating part upper sealing part of the operating part.