Top cover and clothes processing equipment

Abstract

The utility model belongs to the technical field of clothes processing equipment, and discloses a top cover and clothes processing equipment. The top cover comprises a top plate and a baffle, the baffle is arranged around the top plate in the circumferential direction, the baffle and the top plate define a water guide groove, the water guide groove comprises a plurality of flow guide areas, at least one drainage hole is formed in the edge of each flow guide area, an arc-shaped slope is arranged in each flow guide area, and the at least one drainage hole is located at the lowest point of the arc-shaped slope. The arc-shaped slope can directly collect water drops in the flow guide area to the corresponding drainage holes and discharge the water drops, complete drainage of water flow in the flow guide area is achieved, the problems of mildewing, peculiar smell and bacterium breeding caused by accumulated water are avoided, and the workload of cleaning and maintaining of a user is reduced. Moreover, due to the design of the arc-shaped slope surface, the resistance of water flow is reduced, water drops can flow to the drainage holes more quickly and smoothly, and the drainage efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to clothes processing equipment technical field especially top cover and clothes processing equipment. BACKGROUND

[0002] As Figure 1 The top cover of the existing drum washing machine is mainly composed of a top cover plate 10, a water guide groove 11 and a drain hole 12, the water guide groove 11 is arranged on the top cover plate 10, the bottom wall of the water guide groove 11 is provided with one inclined surface or two symmetrical inclined surfaces, a confluence channel is formed at the bottom end of the inclined surface, and the two ends of the confluence channel are provided with the drain hole 12, so that water droplets are guided to the confluence channel and discharged by gravity (the water flow path on the existing top cover plate 10 is shown by a dashed line). This design can realize the drainage function of the top cover surface to a certain extent, but in actual use, part of the water droplets will be retained in the confluence channel after each drainage, causing water accumulation on the top cover, and problems such as mold growth, odor and bacterial breeding are likely to occur. Figure 1

[0003] Therefore, there is an urgent need for a top cover and clothes processing equipment to solve the above problems. SUMMARY

[0004] One object of the utility model is to provide a top cover that can completely drain water from the water guide groove and improve the drainage efficiency.

[0005] To achieve this object, the utility model adopts the following technical solutions:

[0006] The top cover comprises a top plate and a baffle, the top plate is circumferentially surrounded by the baffle, the baffle and the top plate form a water guide groove, the water guide groove comprises a plurality of flow guide areas, the edge of each flow guide area is provided with at least one drain hole, each flow guide area is provided with an arc-shaped slope, at least one drain hole is located at the lowest point of the arc-shaped slope, the arc-shaped slope is configured to directly collect water droplets in the flow guide area to the corresponding drain hole and discharge, the water flow in the flow guide area is completely drained, mold growth, odor and bacterial breeding problems caused by water accumulation are avoided, and the workload of cleaning and maintenance of the user is reduced; in addition, the design of the arc-shaped slope reduces the resistance of the water flow, so that the water droplets can flow to the drain hole more quickly and smoothly, thereby further improving the drainage efficiency.

[0007] Optionally, the top plate is a rectangular top plate, the rectangular top plate is provided with the baffle around the periphery, the connecting part of adjacent two baffles is provided with the drain hole, and the water guide groove is provided with four rectangular flow guide areas, each rectangular flow guide area corresponds to one drain hole.

[0008] ​The design ensures that water drops can be quickly guided to the nearest drain according to their location, thereby avoiding the problems of too concentrated water flow or unclear flow direction, and achieving more uniform and efficient drainage.

[0009] Optionally, the center point of the rectangular top plate is A, the midpoints of the two adjacent baffles are B and C respectively, the connection of the two adjacent baffles is D, and the A point, the B point, the D point and the C point are sequentially connected to form the rectangular flow guide area, and the heights of the arc-shaped slopes at the A point, the B point, the C point and the D point are H1, H2, H3 and H4 respectively, wherein H1>H2=H3>H4.

[0010] The gradient design (H1>H2=H3>H4) of the height of the arc-shaped slope ensures that water drops automatically flow to the drain at the D point under the action of gravity in the flow guide area, the water flow path is clear, the retention or dispersed flow of water drops in the flow guide area is avoided, the water flow collection efficiency and the drainage efficiency are improved, and the water flow in the flow guide area can be completely drained.

[0011] Optionally, a hydrophobic layer is arranged on the arc-shaped slope, the hydrophobic layer can significantly reduce the surface tension of the arc-shaped slope, so that the water drops form a smaller contact angle on the slope, thereby more easily sliding along the slope, even when the amount of water drops is small, the water drops can be quickly collected and flow to the drain, and the drainage efficiency is greatly improved.

[0012] Another purpose of the utility model is to provide a clothes treatment equipment, which can prevent water flow from penetrating into the inside of the clothes treatment equipment, avoid damage to electronic elements or mechanical components in the inside of the clothes treatment equipment caused by water penetration, and improve the overall protection performance and reliability of the clothes treatment equipment.

[0013] To achieve this purpose, the utility model adopts the following technical scheme:

[0014] The clothes treatment equipment comprises a shell and the top cover, the top cover is arranged on the shell and is in sealed connection with the shell, can efficiently guide water drops to the drain and completely drain them, avoids water remaining on the surface of the top cover and in the flow guide groove, fundamentally solves the problems of odor, mildew or bacterial breeding caused by accumulated water, guarantees the hygiene and use experience of the clothes treatment equipment, and the top cover is in sealed connection with the shell, cooperates with the efficient drainage function of the top cover, prevents water flow from penetrating into the inside of the clothes treatment equipment, avoids damage to electronic elements or mechanical components in the inside of the clothes treatment equipment caused by water penetration, and improves the overall protection performance and reliability of the clothes treatment equipment.

[0015] Optionally, the clothes treatment device further comprises a fastener, the baffle is provided with a mounting hole, and the fastener is screwed with the mounting hole and the shell, so that the top cover is firmly fixed on the shell, loosening or displacement caused by vibration, impact or long-term use is effectively avoided, the stability and reliability of the overall structure are improved, and the sealing performance between the top cover and the shell is further improved through the stable connection of the fastener, water vapor leakage or dust entering caused by loosening of the top cover is avoided, internal components are protected, and the service life of the device is prolonged.

[0016] Optionally, the clothes treatment device further comprises a decorative cover, the side of the baffle away from the top plate is provided with a sink, the mounting hole is arranged on the bottom wall of the sink, and the decorative cover is sealed at the opening of the sink and detachably connected with the baffle.

[0017] The decorative cover is sealed at the opening of the sink, the connecting components such as the mounting hole and the fastener are effectively hidden, the surface of the top cover is more simple and beautiful, the decorative cover is detachably connected with the baffle, the user can easily remove the decorative cover when needed, the fastener inside the sink can be easily checked, maintained or replaced, and the sink can be easily cleaned to keep the device clean.

[0018] Optionally, the decorative cover is detachably connected with the baffle, or the decorative cover is magnetically connected with the baffle, the decorative cover can be quickly detached and assembled, and the stability of the connection between the decorative cover and the baffle is ensured.

[0019] Optionally, the sink is provided with a slide on both sides, and the decorative cover is slidably inserted into the slide, so that the decorative cover is tightly attached to the baffle, and loosening or falling caused by vibration of the washing machine or external force is effectively prevented.

[0020] Optionally, the opening of the sink is provided with an annular sealing groove, and a sealing ring is embedded in the annular sealing groove, the sealing ring is tightly attached to the contact surface between the decorative cover and the sink, water droplets are effectively prevented from penetrating into the sink, and the mounting hole and the fastener in the sink are protected from moisture or corrosion.

[0021] Advantages:

[0022] The top cover provided by the utility model, including top plate and baffle, the circumference of top plate is provided with baffle, baffle and top plate surround and form water guide groove, water guide groove includes multiple flow guide area, the edge of each flow guide area is provided with at least one drain hole, each flow guide area is equipped with arc slope, at least one drain hole is located in the lowest point of arc slope, arc slope can collect water drop in flow guide area to corresponding drain hole and discharge directly, realize that flow in flow guide area is completely emptied, avoid mildew, peculiar smell and bacteria breeding problem caused by ponding, reduce the workload of user's cleaning and maintenance, and, the design of arc slope reduces the resistance of water flow, so that water drop can flow to drain hole more quickly and more smoothly, thereby further improve the drainage efficiency.

[0023] The clothes processing equipment provided by the embodiment of the utility model, including shell and above-mentioned top cover, top cover covers on shell, and is sealedly connected with shell, can guide water drop to drain hole and discharge completely efficiently, avoids the moisture residue on the surface of top cover and flow guide groove, fundamentally solves the peculiar smell, mildew or bacteria breeding and other problems caused by ponding, guarantees the hygiene and use experience of clothes processing equipment, and, top cover is sealedly connected with shell, cooperates with the efficient drainage function of top cover, prevents water flow from penetrating to the inside of clothes processing equipment, avoids the damage to electronic elements or mechanical parts in the inside of clothes processing equipment caused by water seepage, improves the overall protection performance and reliability of clothes processing equipment. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the top cover schematic diagram in the prior art;

[0025] Figure 2 It is the schematic diagram of the top cover provided by the embodiment one of the utility model;

[0026] Figure 3 It is the water flow flowing schematic diagram in single flow guide area provided by the embodiment one of the utility model;

[0027] Figure 4 It is the top cover schematic diagram provided by the embodiment two of the utility model;

[0028] Figure 5 It is the structure schematic diagram of clothes processing equipment provided by the embodiment three of the utility model;

[0029] Figure 6 It is the explosion view of clothes processing equipment provided by the embodiment three of the utility model;

[0030] Figure 7 It is Figure 6 The local enlarged view of E in the figure.

[0031] In the figure:

[0032] 10, top cover plate; 11, water guide groove; 12, drain hole;

[0033] 110, top plate; 120, baffle; 121, drain hole; 122, sink; 123, mounting hole; 130, water guide groove; 131, flow guide area;

[0034] 200, shell; 210, limiting table; 220, plug-in part;

[0035] 300, fastener;

[0036] 400, decorative cover. DETAILED DESCRIPTION

[0037] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0038] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0040] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0041] Embodiment One

[0042] The embodiment provides a top cover, as shown in the drawings. Figures 2-3 The top cover comprises a top plate 110 and a baffle 120, the baffle 120 is circumferentially arranged around the top plate 110, the baffle 120 and the top plate 110 form a water guide groove 130, the water guide groove 130 comprises a plurality of flow guide areas 131, the edge of each flow guide area 131 is provided with at least one drain hole 121, an arc-shaped slope surface is arranged in each flow guide area 131, the at least one drain hole 121 is located at the lowest point of the arc-shaped slope surface, the arc-shaped slope surface can directly collect water droplets in the flow guide area 131 to the corresponding drain hole 121 and discharge, so that the water flow in the flow guide area 131 can be completely drained, and the problems of mildew, odor and bacterial breeding caused by water accumulation can be avoided, and the workload of cleaning and maintenance of the user is reduced; and the design of the arc-shaped slope surface reduces the resistance of the water flow, so that the water droplets can flow to the drain hole 121 more quickly and smoothly, thereby further improving the drainage efficiency.

[0043] Optionally, as shown in the drawings, Figure 2 the top plate 110 is a rectangular top plate, the baffle 120 is arranged around the rectangular top plate, the connecting position of the adjacent two baffles 120 is provided with a drain hole 121, and four rectangular flow guide areas are arranged in the water guide groove 130, each rectangular flow guide area corresponds to one drain hole 121, which ensures that the water droplets can be quickly guided to the nearest drain hole 121 according to the position thereof, thereby avoiding the problems of too concentrated water flow or unclear water flow direction, and realizing more uniform and efficient drainage. In other embodiments, a plurality of drain holes 121 can be arranged at the connecting position of the adjacent two baffles 120, and the plurality of drain holes 121 can further accelerate the drainage efficiency.

[0044] Optionally, as shown in the drawings, Figure 2 and Figure 3 the center point of the rectangular top plate 110 is A, the two midpoints of the adjacent two baffles 120 are B and C respectively, the connecting position of the adjacent two baffles 120 is D, and the points A, B, D and C are sequentially connected to form a rectangular flow guide area, the heights of the arc-shaped slope surfaces at the points A, B, C and D are H1, H2, H3 and H4 respectively, wherein H1>H2=H3>H4, the gradient design (H1>H2=H3>H4) of the height of the arc-shaped slope surface ensures that the water droplets in the flow guide area 131 automatically flow to the drain hole 121 at the D point under the action of gravity (the dotted line with an arrow in Figure 2 and Figure 3 indicates the approximate direction of water flow in the flow guide area 131), the water flow path is clear, the retention or dispersed flow of the water droplets in the flow guide area 131 is avoided, the water flow collection efficiency and the drainage efficiency are improved, and the water flow in the flow guide area 131 can be completely drained.

[0045] For example, with the horizontal plane as the reference, the heights of the curved slope at points A, B, C, and D are H1 = 10 mm, H2 = 5 mm, H3 = 5 mm, and H4 = 1 mm, respectively. The gradient of the height design ensures that all water droplets start from point A and eventually flow to point D.

[0046] For example, with the horizontal plane as the reference, the heights of the curved slope at points A, B, C, and D are H1 = 12 mm, H2 = 6 mm, H3 = 6 mm, and H4 = 2 mm, respectively. The gradient of the height design ensures that all water droplets start from point A and eventually flow to point D.

[0047] It should be noted that, in other embodiments, the heights H1, H2, H3, and H4 of the curved slope at points A, B, C, and D can be adaptively adjusted according to actual drainage requirements, and the specific values ​​of H1, H2, H3, and H4 are not limited.

[0048] Optionally, a hydrophobic layer is provided on the curved slope. The hydrophobic layer can significantly reduce the surface tension of the curved slope, so that water droplets form a smaller contact angle on the slope, making it easier for them to slide along the slope. Even when the amount of water droplets is small, they can quickly gather and flow to the drainage hole 121, greatly improving drainage efficiency.

[0049] Example 2

[0050] This embodiment provides a top cover, which is basically the same as that of Embodiment 1, except that, as shown in Embodiment 1... Figure 4 As shown, the top plate 110 can be a circular top plate, and the baffle 120 is an annular baffle. The annular baffle surrounds the outer perimeter of the circular top plate. The circular top plate has four guiding zones 131, each zone being fan-shaped. Each fan-shaped guiding zone corresponds to 1 / 4 of the arc length of the annular baffle. The fan-shaped guiding zone includes the center point A, the two endpoints B and C of the arc length, and the midpoint D of the arc length. The heights of the arc-shaped slope within the guiding zone 131 at points A, B, C, and D are H1, H2, H3, and H4, respectively, where H1 > H2 = H3 > H4. The drainage hole 121 is located at point D. The precise design of the arc-shaped slope height (H1 > H2 = H3 > H4) allows the water to flow rapidly to the drainage hole 121 at point D under the guidance of gravity and the slope. Figure 4 The dotted arrow indicates the approximate direction of water flow within the guide zone 131. This height difference design ensures a clear water flow path and smooth flow, thereby guaranteeing that the water within the guide zone 131 can be completely drained, avoiding water accumulation. This design effectively eliminates problems such as mold, odor, or bacterial growth caused by water accumulation in localized areas, improving the hygiene of the equipment.

[0051] Example 3

[0052] The embodiment provides a clothes processing equipment, such as Figures 5-6 As shown in the figure, the clothes processing equipment comprises a shell 200 and the top cover in the first embodiment or the second embodiment, the top cover is arranged on the shell 200 and is in sealed connection with the shell 200, can efficiently guide water drops to the drain hole 121 and completely drain, avoids water remaining on the surface of the top cover and in the flow guide groove, fundamentally solves the problems of odor, mildew or bacterial breeding caused by accumulated water and the like, guarantees the hygiene and use experience of the clothes processing equipment; and the top cover is in sealed connection with the shell 200, cooperates with the efficient water draining function of the top cover, prevents water from penetrating into the inside of the clothes processing equipment, avoids damage to electronic elements or mechanical components in the inside of the clothes processing equipment caused by water penetration, improves the overall protection performance and reliability of the clothes processing equipment.

[0053] Optionally, the clothes processing equipment can be a washing machine, a clothes dryer or a washing and drying integrated machine and the like, and the connection structure of the shell 200 and the top cover is described in the washing machine as an example in the embodiment.

[0054] Optionally, as shown in the figure, Figure 6 The washing machine further comprises a fastener 300, the baffle 120 is provided with a mounting hole 123, the fastener 300 is threadedly connected with the shell 200 through the mounting hole 123, ensures that the top cover can be firmly fixed on the shell 200, effectively avoids loosening or displacement caused by vibration, impact or long-term use, and improves the stability and reliability of the overall structure; and through the stable connection of the fastener 300, the sealing performance between the top cover and the shell is further improved, water vapor leakage or dust entering caused by loosening of the top cover is avoided, so that internal elements are protected and the service life of the equipment is prolonged. Specifically, in the embodiment, the top cover is constructed as a rectangle, and the opposite two sides of the rectangular top cover are fastened to the shell 200 through the fastener 300.

[0055] Optionally, as shown in the figure, Figure 6 The shell 200 is provided with a limiting table 210 extending radially to the inside of the shell 200, the limiting table 210 is provided with a plug-in part 220, when the top cover is arranged on the shell 200, the plug-in part 220 is inserted in the top cover and is attached to the baffle 120, the limiting table 210 limits the top cover in the radial direction of the shell 200, the lower end surface of the top cover abuts against the limiting table 210, the limiting table 210 limits the shell 200 in the axial direction of the shell 200, the fastener 300 is threadedly connected with the plug-in part 220 through the baffle 120, ensures that the top cover is completely fixed on the shell 200, and guarantees the sealing performance of the connection between the top cover and the shell 200, effectively prevents dust, water vapor or other impurities from entering the inside of the shell 200, guarantees the cleanliness of the inside environment of the shell 200, and prolongs the service life of the washing machine.

[0056] Optionally, as shown in the figures, Figure 6 and Figure 7As shown, the washing machine further comprises a decorative cover 400, the baffle 120 is provided with a sink 122 away from one side of the top plate 110, and a mounting hole 123 is arranged on the bottom wall of the sink 122. The decorative cover 400 is sealed at the opening of the sink 122 and is detachably connected with the baffle 120. The decorative cover 400 is sealed at the opening of the sink 122, effectively hiding the mounting hole 123 and the connecting components such as the fastener 300, making the surface of the top cover more simple and beautiful. The decorative cover 400 is detachably connected with the baffle 120, so that the user can easily remove the decorative cover 400 when needed, facilitating the inspection, maintenance or replacement of the fastener 300 inside the sink 122, and easily cleaning the dirt that may accumulate inside the sink 122, keeping the equipment clean.

[0057] Optionally, in the embodiment, the mounting hole 123 is a countersunk hole, and the fastener 300 is a fastening screw, so as to ensure that the screw cap of the fastening screw is flush with the side wall of the sink 122 provided with the mounting hole 123, thereby improving the contact area of the decorative cover 400 and the baffle 120 and improving the stability of the baffle 120.

[0058] In the embodiment, the decorative cover 400 is clamped with the baffle 120, and the clamping structure is simple and intuitive, so that the user can easily install and dismount the decorative cover 400 without professional tools. For example, one of the buckles or the clamping grooves is arranged on the decorative cover 400, and the other one of the buckles or the clamping grooves is arranged on the baffle 120, and the buckle can be clamped in the clamping groove, thereby fixing the decorative cover 400 on the baffle 120.

[0059] In another embodiment, the decorative cover 400 is magnetically connected with the baffle 120, for example, the decorative cover 400 is provided with a first magnetic member, the baffle 120 is provided with a second magnetic member, and the first magnetic member and the second magnetic member are magnetically connected, thereby fixing the decorative cover 400 on the baffle 120.

[0060] In yet another embodiment, the sink 122 is provided with a slide on both sides, and the decorative cover 400 is slidably inserted into the slide, ensuring that the decorative cover 400 is tightly fitted with the baffle 120, effectively preventing loosening or falling off due to vibration or external force of the washing machine.

[0061] Optionally, the opening of the sink 122 is provided with an annular sealing groove, and a sealing ring is embedded in the annular sealing groove. The sealing ring can tightly fit the contact surface between the decorative cover 400 and the sink 122, effectively preventing water droplets from penetrating into the sink 122, and protecting the mounting hole 123 and the fastener 300 in the sink 122 from being affected by moisture or corrosion.

[0062] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A roof, characterized in that The top plate (110) is a rectangular top plate, and the four sides of the rectangular top plate are provided with the baffle plates (120), the connecting position of two adjacent baffle plates (120) is provided with the drain hole (121), and four rectangular flow guide areas are arranged in the water guide groove (130), and each rectangular flow guide area corresponds to one drain hole (121).

2. The cap of claim 1, wherein The center point of the rectangular top plate is A, the two midpoints of two adjacent baffle plates (120) are B and C respectively, the connecting position of two adjacent baffle plates (120) is D, and the A point, the B point, the D point and the C point are sequentially connected to form the rectangular flow guide area, and the heights of the arc-shaped slopes at the A point, the B point, the C point and the D point are H1, H2, H3 and H4 respectively, wherein H1>H2=H3>H4.

3. The cap of claim 2, wherein The arc-shaped slope is provided with a hydrophobic layer.

4. A cap according to any one of claims 1-3, characterised in that The laundry treating apparatus further comprises a shell (200) and the top cover according to any one of claims 1-4, the top cover is arranged on the shell (200) and is in sealed connection with the shell (200).

5. The laundry treating apparatus, characterized by, The laundry treating apparatus further comprises a fastener (300), the baffle plate (120) is provided with a mounting hole (123), and the fastener (300) is arranged in the mounting hole (123) and is in threaded connection with the shell (200). 6.The laundry treating apparatus according to claim 5, characterized by, The laundry treating apparatus further comprises a decorative cover (400), the baffle plate (120) is provided with a recess (122) on the side away from the top plate (110), the mounting hole (123) is arranged on the bottom wall of the recess (122), the decorative cover (400) is arranged at the opening of the recess (122) and is in detachable connection with the baffle plate (120). 7.The laundry treating apparatus of claim 6, wherein The decorative cover (400) is in clamping connection with the baffle plate (120), or the decorative cover (400) is in magnetic connection with the baffle plate (120). 8.The laundry treating apparatus of claim 7, wherein, The recess (122) is provided with a slide on both sides, and the decorative cover (400) is slidably arranged in the slide. 9.The laundry treating apparatus according to claim 7, wherein, The opening of the recess (122) is provided with an annular sealing groove, and a sealing ring is embedded in the annular sealing groove.

10. The laundry treating apparatus according to any one of the preceding claims 7-9, characterized in that, ​

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