Printhead assembly and printing apparatus

Abstract

The embodiment of the present application relates to the field of inkjet printing technology, and discloses a printing nozzle assembly and a printing device, the printing nozzle assembly comprising a nozzle, a mounting piece, a first heat-conducting block and a second heat-conducting block. The nozzle comprises a shell. The mounting piece comprises a first clamping part and a second clamping part oppositely arranged on two sides of the shell and a connecting part connected between the first clamping part and the second clamping part. The first heat-conducting block is fixed to the first clamping part, and the second heat-conducting block is fixed to the second clamping part. Wherein, the first clamping part and the second clamping part drive the first heat-conducting block and the second heat-conducting block to jointly clamp the shell through the elastic force generated by elastic deformation. Through the above mode, the mounting piece, the first heat-conducting block and the second heat-conducting block provided by the embodiment of the present application constitute a relatively simple overall mounting and dismounting process, which is beneficial to improve user experience.

Description

Technical Field

[0001] This application relates to the field of inkjet printing technology, and more particularly to a printhead assembly and printing equipment. Background Technology

[0002] In digital printers, the printhead is mounted on a repeatedly moving printing carriage. When printing different patterns, the printhead utilization rate varies, resulting in different temperatures generated during operation. In related technologies, to control the printhead's operating temperature within a preset range, heat-conducting blocks are fixed to both sides of the printhead housing using adhesive, threaded fasteners, or rubber bands. The printhead's temperature is regulated by heat exchange between these heat-conducting blocks and the printhead itself.

[0003] Since the printhead is a consumable part, it needs to be replaced multiple times during the printer's lifespan. The heat-conducting block is fastened with adhesive threaded fasteners, which makes the disassembly and assembly process cumbersome. The rubber band is easy to replace, but it is prone to aging and ink corrosion, which can cause functional failure and affect the user experience. Utility Model Content

[0004] One objective of this application is to provide a printhead assembly and printing device to improve the technical problems of cumbersome installation and disassembly of heat-conducting blocks, easy aging of rubber bands, and functional failure caused by ink corrosion, resulting in a poor user experience.

[0005] In a first aspect, embodiments of this application provide a printhead assembly, including a printhead, a mounting component, a first heat-conducting block, and a second heat-conducting block. The printhead includes a housing. The mounting component includes a first clamping portion, a second clamping portion, and a connecting portion. The first clamping portion and the second clamping portion are disposed opposite to each other on both sides of the housing, and the connecting portion connects the first clamping portion and the second clamping portion. The first heat-conducting block has a first heat exchange channel and is fixed to the first clamping portion. The second heat-conducting block has a second heat exchange channel and is fixed to the second clamping portion. The first clamping portion undergoes elastic deformation in a direction away from the second clamping portion to generate an elastic force acting on the first heat-conducting block in the direction from the first clamping portion to the second clamping portion. The second clamping portion undergoes elastic deformation in a direction away from the first clamping portion to generate an elastic force acting on the second heat-conducting block in the direction from the second clamping portion to the first clamping portion. The first heat-conducting block and the second heat-conducting block together clamp the housing.

[0006] In one or more of the above optional embodiments, the housing includes a top end and a bottom end disposed opposite to each other, the nozzle includes a nozzle disposed at the bottom end, and a connecting portion is disposed on the side of the top end opposite to the bottom end along the direction from the top end to the bottom end. The direction from the top end to the bottom end is perpendicular to the direction from the first clamping portion to the second clamping portion.

[0007] In one or more of the above optional embodiments, the mounting component includes a first limiting portion and a second limiting portion disposed opposite to each other on both sides of the housing along a first direction, and the first limiting portion and the second limiting portion are connected to the connecting portion. The first direction, the direction from the top end to the bottom end, and the direction from the first clamping portion to the second clamping portion are all perpendicular to each other.

[0008] In one or more of the above optional embodiments, the first limiting part is not fastened to the first clamping part and the second clamping part, and the second limiting part is not fastened to the first clamping part and the second clamping part.

[0009] In one or more of the above optional embodiments, the end of the first clamping part away from the connecting part is screwed and fixed to the first heat-conducting block; and / or the end of the second clamping part away from the connecting part is screwed and fixed to the second heat-conducting block.

[0010] In one or more of the above optional embodiments, the connecting part is provided with heat dissipation holes, which extend through the connecting part in the direction from the connecting part to the outer casing.

[0011] In one or more of the above optional embodiments, the housing has a receiving cavity, and the printhead includes a control board disposed in the receiving cavity. The control board has a socket that passes through the housing at the end facing the connecting portion. The connecting portion has a communicating hole that is aligned with the socket. The printhead assembly also includes a protective cover that covers the communicating hole. The protective cover includes a top plate opposite to the communicating hole and a side plate surrounding the top plate. The side plate has a wire passage hole.

[0012] In one or more of the above optional embodiments, a mounting stud is included, which is disposed between the top plate and the connecting part. One end of the mounting stud is screwed and fixed to the top plate, and the other end of the mounting stud is screwed and fixed to the connecting part.

[0013] In one or more of the above optional embodiments, the first heat-conducting block is provided with a first connector and a second connector, the first connector being connected to one end of the first heat exchange channel and the second connector being connected to the other end of the first heat exchange channel; and / or the second heat-conducting block is provided with a third connector and a fourth connector, the third connector being connected to one end of the second heat exchange channel and the fourth connector being connected to the other end of the second heat exchange channel.

[0014] Secondly, embodiments of this application provide a printing device including the above-described printhead assembly.

[0015] The beneficial effects of the embodiments of this application are as follows: The printhead assembly provided in this application includes a first clamping part and a second clamping part disposed opposite to each other on both sides of the outer shell, and a connecting part connected between the first clamping part and the second clamping part. The first heat-conducting block is fixed to the first clamping part, and the second heat-conducting block is fixed to the second clamping part. Compared with the method of fixing the heat-conducting block to the printhead by adhesive or threaded fasteners in related technologies, the embodiments of this application use the elastic force generated by the first clamping part and the second clamping part to drive the first heat-conducting block and the second heat-conducting block to clamp and fix to the outer shell of the printhead in opposite directions. The first heat-conducting block and the second heat-conducting block have a better fit with the outer shell of the printhead. While meeting the heat dissipation requirements of the printhead, the overall installation and disassembly process of the mounting part, the first heat-conducting block and the second heat-conducting block is relatively simple, which is conducive to improving the user experience. Attached Figure Description

[0016] One or more embodiments are illustrated by way of example with reference to the accompanying drawings, which are not intended to limit the embodiments, and elements having the same reference numerals in the drawings are designated as similar elements.

[0017] Figure 1 A perspective view of a printhead assembly provided in an embodiment of this application;

[0018] Figure 2 An exploded view of a printhead assembly provided in an embodiment of this application;

[0019] Figure 3 A perspective view of a printhead assembly provided in an embodiment of this application;

[0020] Figure 4 A perspective view of a mounting component for a printhead assembly provided in an embodiment of this application;

[0021] Figure 5 A perspective view of a protective cover for a printhead assembly provided in an embodiment of this application. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and thoroughly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0023] It should be noted that when an element is described as "connected" to another element, it can be directly connected to the other element, or there may be one or more intervening elements. Furthermore, the technical features involved in the various embodiments of this application described below can be combined with each other as long as they do not constitute a conflict.

[0024] Please see Figure 1 and Figure 2 The printhead assembly 1000 includes a printhead 1, a mounting component 2, a first heat-conducting block 3, and a second heat-conducting block 4. The printhead 1 includes a housing 11. The mounting component 2 includes a first clamping part 21, a second clamping part 22, and a connecting part 23. The first clamping part 21 and the second clamping part 22 are disposed opposite to each other on both sides of the housing 11. The connecting part 23 connects the first clamping part 21 and the second clamping part 22. The first heat-conducting block 3 has a first heat exchange channel for fluid flow and is fixed to the first clamping part 21. The second heat-conducting block 4 has a second heat exchange channel for fluid flow and is fixed to the second clamping part 22. The first clamping part 21 undergoes elastic deformation in a direction away from the second clamping part 22 to generate an elastic force acting on the first heat-conducting block 3 in a direction X from the first clamping part 21 to the second clamping part 22. The second clamping part 22 undergoes elastic deformation in a direction away from the first clamping part 21 to generate an elastic force acting on the second heat-conducting block 4 in a direction from the second clamping part 22 to the first clamping part 21. The first heat-conducting block 3 and the second heat-conducting block 4 together clamp the outer shell 11.

[0025] The printhead assembly 1000 provided in this application embodiment includes a mounting component 2 comprising a first clamping portion 21 and a second clamping portion 22 disposed opposite to each other on both sides of the housing 11, and a connecting portion 23 connecting the first clamping portion 21 and the second clamping portion 22. A first heat-conducting block 3 is fixed to the first clamping portion 21, and a second heat-conducting block 4 is fixed to the second clamping portion 22. Compared with the related technologies that use adhesive, threaded fasteners, or rubber bands to fix the heat-conducting blocks to the printhead 1, this application embodiment uses the elastic force generated by the first clamping portion 21 and the second clamping portion 22 to drive the first heat-conducting block 3 and the second heat-conducting block 4 to clamp and fix them to the housing 11 of the printhead 1 in opposite directions. The first heat-conducting block 3 and the second heat-conducting block 4 have a better fit with the housing 11 of the printhead 1. While meeting the heat dissipation requirements of the printhead 1, the overall installation and disassembly process of the mounting component 2, the first heat-conducting block 3, and the second heat-conducting block 4 is relatively simple, and it avoids the problem of easy aging and failure caused by the rubber band binding method, which is beneficial to improving the user experience.

[0026] In some embodiments, the first clamping portion 21, the second clamping portion 22, and the connecting portion 23 are all generally plate-shaped.

[0027] In some embodiments, the first end of the first clamping portion 21 is connected to one end of the connecting portion 23, the first heat-conducting block 3 is fixed to the second end of the first clamping portion 21, the first end of the second clamping portion 22 is connected to the other end of the connecting portion 23, and the second heat-conducting block 4 is fixed to the second end of the second clamping portion 22. The first heat-conducting block 3 abuts against the surface of the housing 11 in the direction X from the first clamping portion 21 to the second clamping portion 22. The second end of the first clamping portion 21 is elastically bent relative to the first end of the first clamping portion 21 in a direction away from the second clamping portion 22. The second end of the first clamping portion 21 applies an elastic force to the first heat-conducting block 3 in the direction X from the first clamping portion 21 to the second clamping portion 22. The second heat-conducting block 4 abuts against the surface of the outer shell 11 in the direction from the second clamping part 22 toward the first clamping part 21. The second end of the second clamping part 22 is elastically bent relative to the first end of the second clamping part 22 in the direction away from the first clamping part 21. The second end of the second clamping part 22 applies an elastic force to the second heat-conducting block 4 in the direction from the second clamping part 22 toward the first clamping part 21.

[0028] In some embodiments, the first clamping portion 21 is formed by bending one end edge of the connecting portion 23 in a direction X perpendicular to the first clamping portion 21 toward the second clamping portion 22, and the second clamping portion 22 is formed by bending the other end edge of the connecting portion 23 in a direction X perpendicular to the first clamping portion 21 toward the second clamping portion 22.

[0029] In some embodiments, the mounting component 2 includes, but is not limited to, being made of resilient stainless steel.

[0030] Please see Figures 1-3 In some embodiments, the outer casing 11 includes a top end 111 and a bottom end 112 disposed opposite to each other. The nozzle 1 includes a nozzle 12 disposed at the bottom end 112 along a direction Y from the top end 111 to the bottom end 112. A connecting portion 23 is disposed on the side of the top end 111 facing away from the bottom end 112. The direction Y from the top end 111 to the bottom end 112 is perpendicular to the direction X from the first clamping portion 21 to the second clamping portion 22. By disposing of the connecting portion 23 on the side of the top end 111 facing away from the bottom end 112, during use, the direction Y from the top end 111 to the bottom end 112 is approximately the same as the direction of gravity. The connecting portion 23 can abut against the outer casing 11 in the direction Y from the top end 111 to the bottom end 112, thereby limiting the mounting member 2 in the direction Y from the top end 111 to the bottom end 112, which helps to improve the stability of the connection between the mounting member 2 and the outer casing 11 of the nozzle 1.

[0031] In some embodiments, the number of nozzles 12 is multiple, and an array of multiple nozzles 12 is disposed at the bottom end 112.

[0032] Please see Figure 4In some embodiments, the mounting member 2 includes a first limiting portion 24 and a second limiting portion 25 disposed opposite to each other on both sides of the housing 11 along a first direction Z. The first limiting portion 24 and the second limiting portion 25 are connected to the connecting portion 23. The first direction Z, the direction Y from the top end 111 to the bottom end 112, and the direction X from the first clamping portion 21 to the second clamping portion 22 are all perpendicular to each other. The first limiting portion 24 abuts against the housing 11 along the first direction Z to limit the mounting member 2 in the first direction Z. The second limiting portion 25 abuts against the housing 11 in a direction opposite to the first direction Z to limit the mounting member 2 in the opposite direction Z.

[0033] In some embodiments, the first limiting portion 24 and the second limiting portion 25 are generally plate-shaped. One end of the first limiting portion 24 is connected to one end of the connecting portion 23 in the first direction Z, and the other end of the first limiting portion 24 is suspended. One end of the second limiting portion 25 is connected to the other end of the connecting portion 23 in the first direction Z, and the other end of the second limiting portion 25 is suspended.

[0034] In some embodiments, the first limiting portion 24 is formed by bending one end edge of the connecting portion 23 in the first direction Z towards the top end 111 and extending it in the direction Y towards the bottom end 112, and the second limiting portion 25 is formed by bending the other end edge of the connecting portion 23 in the first direction Z towards the top end 111 and extending it in the direction Y towards the bottom end 112.

[0035] Please see Figure 2 and Figure 4In some embodiments, the first limiting part 24 is not securely fixed to the first clamping part 21 and the second clamping part 22, and the second limiting part 25 is not securely fixed to the first clamping part 21 and the second clamping part 22. "The first limiting part 24 is not securely fixed to the first clamping part 21 and the second clamping part 22" means that the first limiting part 24 can be in a state of mutual contact or separation from the first clamping part 21 and the second clamping part 22. "The second limiting part 25 is not securely fixed to the first clamping part 21 and the second clamping part 22" means that the second limiting part 25 can be in a state of mutual contact or separation from the first clamping part 21 and the second clamping part 22. By setting the first limiting part 24 to be unsecured to the first clamping part 21 and the second clamping part 22, and setting the second limiting part 25 to be unsecured to the first clamping part 21 and the second clamping part 22, compared to the method where the first limiting part 24 and the second limiting part 25 are directly connected to the first clamping part 21 and the second clamping part 22, the tension generated by the first limiting part 24 and the second limiting part 25 on the first clamping part 21 and the second clamping part 22 is reduced, which makes it difficult for the first clamping part 21 and the second clamping part 22 to elastically deform in a direction away from each other. This leads to an increase in stress at the connection between the first heat-conducting block 3 and the first clamping part 21, and an increase in stress at the connection between the second heat-conducting block 4 and the second clamping part 22. Consequently, the connection between the first heat-conducting block 3 and the first clamping part 21, and the connection between the second heat-conducting block 4 and the second clamping part 22 may loosen under long-term use.

[0036] In some embodiments, the end of the first clamping part 21 away from the connecting part 23 is screwed and fixed to the first heat-conducting block 3; and / or the end of the second clamping part 22 away from the connecting part 23 is screwed and fixed to the second heat-conducting block 4.

[0037] In some embodiments, the second end edge of the first clamping part 21 is bent along the direction of the second clamping part 22 toward the first clamping part 21 and then extends to form a first mounting part 26. The first mounting part 26 is provided with a first mounting hole 261. The first mounting hole 261 passes through the first mounting part 26 in a Y direction from the top end 111 to the bottom end 112. The first heat-conducting block 3 is provided with a first threaded hole 31 in a Y direction from the top end 111 to the bottom end 112. The first mounting part 26 abuts against the first heat-conducting block 3. The first mounting hole 261 is aligned with the first threaded hole 31. The print head 1 assembly 1000 also includes a first mounting bolt in a Y direction from the top end 111 to the bottom end 112. The first mounting bolt passes through the first mounting hole 261 and is screwed to the first threaded hole 31.

[0038] In some embodiments, the second end edge of the second clamping portion 22 is bent and extended in the direction X from the first clamping portion 21 toward the second clamping portion 22 to form a second mounting portion 27. The second mounting portion 27 is provided with a second mounting hole 271, which penetrates the second mounting portion 27 in the direction Y from the top end 111 to the bottom end 112. The second heat-conducting block 4 is provided with a second threaded hole 41 in the direction Y from the top end 111 to the bottom end 112. The second mounting portion 27 abuts against the second heat-conducting block 4, and the second mounting hole 271 is aligned with the second threaded hole 41. The printhead 1 assembly 1000 also includes a second mounting bolt in the direction Y from the top end 111 to the bottom end 112. The second mounting bolt passes through the second mounting hole 271 and is screwed and fixed to the second threaded hole 41.

[0039] In some embodiments, the connecting portion 23 is provided with a heat dissipation hole 231, which extends through the connecting portion 23 towards the housing 11. Through the heat dissipation hole 231, when the printhead 1 assembly is applied to the printing carriage, airflow can pass through the heat dissipation hole 231, thereby enabling airflow to form in the gap between the housing 11 of the printhead 1 and the mounting member 2 when the printing carriage moves on the printing platform, thus improving the heat dissipation efficiency of the printhead 1.

[0040] Please see Figures 2-5 In some embodiments, the housing 11 has a receiving cavity, and the printhead 1 includes a control board disposed in the receiving cavity. The control board has a socket 13, which passes through the housing 11 at the end facing the connection portion 23. The socket 13 is used to connect to the plug of the connecting cable. The connection portion 23 has a connecting hole 232, which is aligned with the socket 13. The printhead 1 assembly 1000 also includes a protective cover 5, which covers the connecting hole 232. The protective cover 5 includes a top plate 51 opposite to the connecting hole 232 and a side plate 52 surrounding the top plate 51. The side plate 52 has a cable passage hole 521 for the cable to pass through. By providing the protective cover 5 to cover the connecting hole 232, it is beneficial to reduce the problem of splashed ink entering the connection between the socket 13 and the plug of the connecting cable during operation, which could damage the socket 13 and the plug.

[0041] In some embodiments, the printhead assembly 1000 includes a mounting stud 6 disposed between the top plate 51 and the connecting portion 23. One end of the mounting stud 6 is screwed to the top plate 51, and the other end of the mounting stud 6 is screwed to the connecting portion 23.

[0042] In some embodiments, the mounting stud 6 is a hexagonal double through stud.

[0043] Please see Figure 2In some embodiments, the first heat-conducting block 3 is provided with a first connector 32 and a second connector 33. The first connector 32 is connected to one end of the first heat exchange channel, and the second connector 33 is connected to the other end of the first heat exchange channel. The first connector 32 and the second connector 33 are used to connect to the pipeline of the thermostat. The thermostat supplies fluid for heating or cooling the first heat-conducting block 3 to the first heat exchange channel through the first connector 32 and the second connector 33. And / or the second heat-conducting block 4 is provided with a third connector 42 and a fourth connector 43. The third connector 42 is connected to one end of the second heat exchange channel, and the fourth connector 43 is connected to the other end of the second heat exchange channel. The third connector 42 and the fourth connector 43 are used to connect to the pipeline of the thermostat. The thermostat supplies fluid for heating or cooling the second heat-conducting block 4 to the second heat exchange channel through the third connector 42 and the fourth connector 43.

[0044] Based on the same inventive concept, this application also provides a printing device, including the print head assembly 1000 in any of the above embodiments.

[0045] In some embodiments, the printing device includes a printing platform, a printing carriage, and a temperature control device. The printing carriage is disposed on the printing platform and can reciprocate relative to the printing platform. The print head assembly 1000 is disposed on the printing carriage. The temperature control device is connected to the first heat exchange channel and the second heat exchange channel through pipelines. It is understood that the first heat exchange channel and the second heat exchange channel can be connected in series, that is, the fluid flows through the first heat exchange channel and the second heat exchange channel in sequence, or they can be connected in parallel, that is, the fluid in the first heat exchange channel and the fluid in the second heat exchange channel respectively form a circulation path with the temperature control device.

[0046] In some embodiments, the number of printhead assemblies 1000 is at least two, and the temperature control device is connected to the first heat exchange channel and the second heat exchange channel of each printhead assembly 1000 via pipelines. It is understood that the connection method of the channels between the printhead assemblies can be configured according to actual needs. For example, in some embodiments, the channels between the printhead assemblies 1000 are connected in series, meaning that fluid can sequentially pass through the first heat exchange channel and the second heat exchange channel in each printhead assembly 1000. Alternatively, in other embodiments, the channels between the printhead assemblies 1000 are connected in parallel, meaning that each printhead assembly 1000 individually forms a fluid circulation with the temperature control device.

[0047] The above-disclosed embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of this application. Therefore, any equivalent variations made in accordance with the claims of this application shall still fall within the scope of this application.

Claims

1. A printhead assembly, characterized in that, include: The nozzle, including the housing; The mounting component includes a first clamping part, a second clamping part, and a connecting part. The first clamping part and the second clamping part are disposed opposite to each other on both sides of the housing, and the connecting part is connected between the first clamping part and the second clamping part. The first heat-conducting block is provided with a first heat exchange channel, and the first heat-conducting block is fixed to the first clamping part; The second heat-conducting block is provided with a second heat exchange channel, and the second heat-conducting block is fixed to the second clamping part; The first clamping part undergoes elastic deformation in a direction away from the second clamping part to generate an elastic force acting on the first heat-conducting block in the direction from the first clamping part to the second clamping part. The second clamping part undergoes elastic deformation in a direction away from the first clamping part to generate an elastic force acting on the second heat-conducting block in the direction from the second clamping part to the first clamping part. The first heat-conducting block and the second heat-conducting block together clamp the outer shell.

2. The printhead assembly according to claim 1, characterized in that, The outer casing includes a top end and a bottom end that are disposed opposite to each other. The nozzle includes a nozzle that is disposed at the bottom end in the direction from the top end to the bottom end. The connecting part is disposed on the side of the top end that is opposite to the bottom end. Wherein, the direction from the top end to the bottom end is perpendicular to the direction from the first clamping part to the second clamping part.

3. The printhead assembly according to claim 2, characterized in that, The mounting component includes a first limiting part and a second limiting part disposed opposite to each other on both sides of the housing along a first direction, and the first limiting part and the second limiting part are connected to the connecting part; The first direction, the direction from the top to the bottom, and the direction from the first clamping part to the second clamping part are all perpendicular to each other.

4. The printhead assembly according to claim 3, characterized in that, The first limiting part is not securely fixed to the first clamping part and the second clamping part, and the second limiting part is not securely fixed to the first clamping part and the second clamping part.

5. The printhead assembly according to claim 1, characterized in that, The end of the first clamping portion away from the connecting portion is screwed and fixed to the first heat-conducting block; and / or The end of the second clamping part away from the connecting part is screwed and fixed to the second heat-conducting block.

6. The printhead assembly according to any one of claims 1-5, characterized in that, The connecting part is provided with heat dissipation holes, which extend through the connecting part in the direction from the connecting part toward the outer shell.

7. The printhead assembly according to any one of claims 1-5, characterized in that, The outer casing has a receiving cavity, the nozzle includes a control board, the control board is disposed in the receiving cavity, the control board has a socket, the socket passes through the end of the outer casing facing the connecting part, the connecting part has a communicating hole, and the communicating hole is aligned with the socket; The printhead assembly also includes a protective cover, which covers the communicating hole. The protective cover includes a top plate opposite to the communicating hole and a side plate surrounding the top plate. The side plate has a wire passage hole.

8. The printhead assembly according to claim 7, characterized in that, It includes a mounting stud, which is disposed between the top plate and the connecting part. One end of the mounting stud is screwed and fixed to the top plate, and the other end of the mounting stud is screwed and fixed to the connecting part.

9. The printhead assembly according to claim 1, characterized in that, The first heat-conducting block is provided with a first connector and a second connector, the first connector being connected to one end of the first heat exchange channel, and the second connector being connected to the other end of the first heat exchange channel; and / or The second heat-conducting block is provided with a third connector and a fourth connector. The third connector is connected to one end of the second heat exchange channel, and the fourth connector is connected to the other end of the second heat exchange channel.

10. A printing device, characterized in that, Includes the printhead assembly as described in any one of claims 1-9.

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