Quantitative capsule filling device

Through the design of the placement mechanism and the filling mechanism of the capsule quantitative filling device, the automatic positioning and synchronous filling of multiple capsules are realized, which solves the problem of low efficiency in capsule filling dosage control in the prior art, and improves the efficiency and consistency of filling dosage control.

CN223248525UActive Publication Date: 2025-08-22WUHAN MINGSHI BIOMEDICAL TECH CO LTD
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Patent Information

Application Number
CN202422175482.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-22
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

When the existing capsule filling device is infused with the capsule, it is difficult to achieve precise control of the filling dosage in each capsule, resulting in low working efficiency.

Method used

A capsule quantitative filling device is designed, using a combination of a placement mechanism and a feeding mechanism. By corresponding to the precise position of the annular array groove on the placement plate and the feeding tube, the automatic positioning and synchronous filling of multiple capsules are realized. The arc-shaped design of the feeding tube ensures the precise control of the powder or particles, and the automatic operation of the feeding mechanism reduces human intervention.

Benefits of technology

The simultaneous filling of multiple capsules is achieved, which improves the efficiency and consistency of filling dosage control, reduces the cumbersome capsule control process, and improves work efficiency and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of capsule medicine filling, in particular to a capsule quantitative filling device which comprises a frame body, a top plate is fixedly installed at the top of the frame body, a placing mechanism is fixedly installed at the rear end of the upper surface of the top plate, and a material injection mechanism is movably installed at the top of the placing mechanism. The placing mechanism comprises a placing frame, a placing plate is movably mounted on the inner side of the placing frame, and placing grooves are formed in the upper surface of the placing plate in an annular array mode; the material injection mechanism comprises a material receiving groove, second preformed holes are formed in the bottom of the inner side of the material receiving groove in an annular array mode, feeding pipes are installed at the bottoms of the second preformed holes in a communicating mode, and a cover body is fixedly installed at the top of the material receiving groove. The mounting position of the feeding pipe is matched with the placing position of the capsule shell, and the internal volume of the feeding pipe is the amount of medicine capable of being filled in the capsule shell. The device has the advantage of improving the control efficiency of the medicine filling amount in a single capsule.
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Description

Technical Field

[0001] The utility model relates to the technical field of capsule filling, in particular to a capsule quantitative filling device. Background Art

[0002] Capsules are a common form of drug preparation. Capsules are easy to swallow, especially for patients who have difficulty swallowing tablets or liquid medicines. They can also mask the unpleasant taste of the drug, protect the drug from being destroyed by stomach acid, and control the rate and time of drug release. After extensive searching, the publication number CN216070593U was found, which discloses a precise quantitative capsule filling device, relating to the technical field of capsule filling. The device comprises a base, on which a rotating motor is mounted, the rotating motor being rotatably connected to a capsule mounting plate, a storage box being provided above the capsule mounting plate, a mounting box and a pouring pipe being provided at the bottom end of the storage box, a feed pipe being provided at the bottom end of the mounting box, the feed pipe being connected to the pouring pipe, a discharge pipe being provided at the bottom end of the feed pipe, a capsule filling mechanism being installed within the mounting box, the capsule filling mechanism comprising a servo motor, a motor shaft of the servo motor being connected to a driving gear, a driven gear being meshed with one side of the driving gear, a rotating rod being fixedly connected to the driven gear, a bearing being rotatably connected to one end of the rotating rod near the driven gear, a baffle being provided at the other end of the rotating rod, the baffle being engaged with the discharge pipe. The present utility model ensures the accuracy of powder discharge by precisely controlling the amount of medicine to be filled.

[0003] However, when the above device is performing drug capsule filling, the amount of medicine filled in each capsule needs to be quantitatively controlled, which makes it difficult to improve the work efficiency during the filling operation. Therefore, a capsule quantitative filling device is proposed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a capsule quantitative filling device, which has the advantage of improving the efficiency of controlling the amount of medicine filled in a single capsule, and solves the problem in the prior art that the amount of medicine filled in each capsule needs to be independently controlled during the filling operation.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a quantitative capsule filling device, comprising a frame, a top plate fixedly mounted on the top of the frame, a placement mechanism fixedly mounted on the rear end of the upper surface of the top plate, and a material injection mechanism movably mounted on the top of the placement mechanism; the placement mechanism comprises a placement frame, a placement plate movably mounted on the inner side of the placement frame, the upper surface of the placement plate having placement slots formed in an annular array, a first reserved hole being formed at a corresponding position of the placement frame above the placement slot, a capsule shell being movably placed in the placement slot, and the top of the capsule shell passing through the first reserved hole;

[0006] The injection mechanism includes a material receiving trough, the inner bottom of the material receiving trough is provided with second reserved holes in an annular array, the bottom of the second reserved holes is connected to a feeding pipe, and a cover is fixedly installed on the top of the material receiving trough;

[0007] The installation position of the feeding tube matches the placement position of the capsule shell. The bottom of the feeding tube adopts an arc-shaped structure design and can contact the bottom of the inner wall of the capsule shell. The internal volume of the feeding tube is the amount of medicine that can be filled in the capsule shell.

[0008] Preferably, a cabinet door is movably installed on the front of the frame, universal wheels are fixedly installed at the four corners of the bottom of the frame, brake devices are provided on the universal wheels, and a second telescopic cylinder is fixedly installed inside the frame. In the design, the front of the frame is equipped with a movable cabinet door to facilitate operators to access and maintain internal components. Universal wheels are installed at the four corners of the bottom of the frame. These wheels not only provide a high degree of mobility, but are also equipped with brake devices to ensure the stability of the equipment during operation. In addition, the second telescopic cylinder installed inside the frame provides the necessary power support for the placement mechanism, wherein the cabinet door provides a convenient access and maintenance route; the combination of universal wheels and brake devices realizes flexible movement and stable positioning of the equipment; the built-in design of the second telescopic cylinder provides an efficient and reliable power source for the device.

[0009] Preferably, the top of the second telescopic cylinder passes through the top plate and is fixedly connected to the center of the bottom circle of the placement plate. In this design, the top of the second telescopic cylinder cleverly passes through the top plate and is directly fixedly connected to the center of the bottom circle of the placement plate. This direct connection ensures the accuracy and stability of the placement plate when positioning the capsule shell. The direct connection provides more precise control, reduces potential errors, enhances the stability of the placement plate, and ensures accurate positioning of the capsule shell.

[0010] Preferably, a bearing is embedded in the front end of the upper surface of the top plate, and a first telescopic cylinder is rotatably mounted in the bearing. The top of the first telescopic cylinder is fixedly connected to the cover body via a cross bar, and a limit rod is fixedly mounted on the upper surface of the top plate on the side opposite to the bearing and the placement mechanism. The limit rod is perpendicular to the cross bar and is in contact with the cross bar but is not fixedly connected. The embedded installation of the front end bearing on the top plate in the design enables the first telescopic cylinder to rotate smoothly inside it. The first telescopic cylinder is connected to the cover body via a cross bar, which enables precise opening and closing control. At the same time, the design of the limit rod ensures the stability and accuracy of the cross bar during movement, wherein the embedded design of the bearing provides smooth movement and reduces wear; the connection between the first telescopic cylinder and the cross bar ensures the accuracy of the injection process; the use of the limit rod improves the stability of the entire mechanism and the control accuracy of the rotation angle.

[0011] Preferably, the cross-sectional dimensions of the placement plate match the inner diameter of the placement rack, and the curvature of the inner wall of the placement slot on the placement plate matches the curvature of the bottom of the capsule shell. The design perfectly matches the cross-sectional dimensions of the placement plate with the inner diameter of the placement rack, ensuring stable installation of the placement plate. The curvature of the inner wall of the placement slot matches the curvature of the bottom of the capsule shell. This design not only ensures stable placement of the capsule shell but also facilitates rapid positioning and removal of the capsule shell. The precise size matching ensures the stability of the placement plate and the correct placement of the capsule shell; the curvature matching design simplifies the positioning process of the capsule shell and improves operational efficiency.

[0012] Preferably, the cross-sectional dimensions of the placement plate match the inner diameter of the placement frame, and the curvature of the inner wall of the placement slot on the placement plate matches the curvature of the bottom of the capsule shell. In the design, a scraper is mounted within a retaining groove at the center of the upper surface of the receiving trough. The top of the scraper passes through the cover and is connected to the drive motor. This design allows the scraper to accurately transport powder or granules under the control of the drive motor. The retaining groove ensures stable rotation and precise positioning of the scraper; the control of the drive motor improves the accuracy and repeatability of powder or granule delivery.

[0013] Preferably, the top of the cover is fixedly connected to the drive motor, and a hole is opened on one side of the upper end surface of the cover, connected to a feeding tube. This fixed connection between the top of the cover and the drive motor ensures the stability of the cover during the filling process. The design of the feeding tube on the upper end surface of the cover allows for smooth delivery of powder or granules from the receiving trough to the capsule shell. Furthermore, the fixed connection between the cover and the drive motor provides a stable operating platform.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] The placement mechanism of the present invention achieves automated positioning of capsule shells through the cooperation of a placement rack and a placement plate. The placement slots formed in an annular array on the placement plate can accommodate multiple capsule shells simultaneously, allowing multiple capsules to be filled simultaneously. The precise positioning of the first and second reserved holes ensures precise matching between the capsule shells and the feed tube, thereby reducing the need for individual positioning of each capsule. The curved bottom of the feed tube contacts the bottom of the inner wall of the capsule shell. This structural design prevents the discharge of drug powder or granules when the feed tube is inserted, and drug filling can only be achieved after the feed tube is removed. The internal volume of the feed tube directly determines the drug filling amount of the capsule shell, achieving precise control of the drug dosage. The injection mechanism achieves the collection and distribution of drug powder or granules through the cooperation of the receiving trough and the cover body. The feed tube is directly connected to each capsule shell, avoiding the tedious process of traditional capsule-by-capsule control. The device can synchronously control the filling process of multiple capsules through a relatively automated control method, reducing human intervention, improving consistency and reliability, and achieving the effect of improving the efficiency of controlling the internal drug filling amount of a single capsule. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of the placement mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the injection mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the insertion structure of the feeding tube and the capsule shell of the utility model.

[0020] In the figure: 1. frame; 11. top plate; 12. cabinet door; 13. universal wheel; 101. limiting rod; 102. cross bar; 103. first telescopic cylinder; 104. bearing; 2. placement mechanism; 21. second telescopic cylinder; 22. placement plate; 23. placement frame; 201. first reserved hole; 202. capsule shell; 203. placement slot; 3. injection mechanism; 31. receiving slot; 32. cover; 301. injection pipe; 302. drive motor; 303. scraper; 304. limiting slot; 305. feeding pipe; 306. second reserved hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1

[0023] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the utility model provides an embodiment: a quantitative capsule filling device, including a frame 1, a top plate 11 is fixedly mounted on the top of the frame 1, a placement mechanism 2 is fixedly mounted on the rear end of the upper surface of the top plate 11, and a material injection mechanism 3 is movably mounted on the top of the placement mechanism 2; the placement mechanism 2 includes a placement frame 23, a placement plate 22 is movably mounted on the inner side of the placement frame 23, and the upper surface of the placement plate 22 is provided with placement grooves 203 in a circular array, and a first reserved hole 201 is formed at a corresponding position of the placement frame 23 above the placement groove 203, and a capsule shell 202 is movably placed in the placement groove 203, and the top of the capsule shell 202 passes through the first reserved hole 201;

[0024] The material injection mechanism 3 includes a material receiving trough 31, the inner bottom of the material receiving trough 31 is provided with a second reserved hole 306 in an annular array, the bottom of the second reserved hole 306 is connected to the feeding pipe 305, and a cover 32 is fixedly installed on the top of the material receiving trough 31;

[0025] The installation position of the feeding tube 305 matches the placement position of the capsule shell 202. The bottom of the feeding tube 305 adopts an arc-shaped structure design and can contact the bottom of the inner wall of the capsule shell 202. The internal volume of the feeding tube 305 is the amount of medicine that can be filled in the capsule shell 202.

[0026] Specifically, the placement mechanism 2 realizes the automatic positioning of the capsule shell 202 through the cooperation of the placement frame 23 and the placement plate 22. The placement slots 203 arranged in a circular array on the placement plate 22 can accommodate multiple capsule shells 202 at the same time, so that multiple capsules can be filled at the same time. The precise position correspondence design of the first reserved hole 201 and the second reserved hole 306 ensures the precise position matching between the capsule shell 202 and the feeding tube 305, thereby reducing the need for individual positioning of each capsule. The arc-shaped bottom design of the feeding tube 305 contacts the bottom of the inner wall of the capsule shell 202. This structural design prevents the discharge of powder or particles when the feeding tube 305 is inserted, and can only be discharged after the feeding tube 305 is removed. The drug filling is achieved, and at the same time, the internal volume of the feeding tube 305 directly determines the filling amount of the capsule shell 202, thereby achieving precise control of the drug amount. The injection mechanism 3 realizes the collection and distribution of drug powder or particles through the cooperation of the receiving trough 31 and the cover body 32. The feeding tube 305 is directly connected to each capsule shell 202, avoiding the tedious process of traditional capsule-by-capsule control. The equipment can synchronously control the filling process of multiple capsules through a relatively automated control method, reducing human intervention, improving consistency and reliability, and achieving the effect of improving the efficiency of controlling the internal filling amount of a single capsule.

[0027] Example 2

[0028] In order to improve the stability of the filling operation, Figure 1 、 Figure 2 and Figure 3 As shown, in this embodiment, a cabinet door 12 is movably installed on the front of the frame 1, and universal wheels 13 are fixedly installed at the four corners of the bottom of the frame 1. The universal wheels 13 are provided with brake devices, and a second telescopic cylinder 21 is fixedly installed inside the frame 1. In the design, the front of the frame 1 is equipped with a movable cabinet door 12 to facilitate the operator to access and maintain the internal components. Universal wheels 13 are installed at the four corners of the bottom of the frame 1. These wheels not only provide a high degree of mobility, but are also equipped with brake devices to ensure the stability of the equipment during operation. In addition, the second telescopic cylinder 21 installed inside the frame 1 provides the necessary power support for the placement mechanism 2, wherein the cabinet door 12 provides a convenient access and maintenance method; the combination of the universal wheel 13 and the brake device realizes the flexible movement and stable positioning of the equipment; the built-in design of the second telescopic cylinder 21 provides an efficient and reliable power source for the device.

[0029] Furthermore, the top of the second telescopic cylinder 21 passes through the top plate 11 and is fixedly connected to the center of the bottom circle of the placement plate 22. In this design, the top of the second telescopic cylinder 21 cleverly passes through the top plate 11 and is directly fixedly connected to the center of the bottom circle of the placement plate 22. This direct connection ensures the accuracy and stability of the placement plate 22 when positioning the capsule shell 202. This direct connection provides more precise control, reduces potential errors, enhances the stability of the placement plate 22, and ensures accurate positioning of the capsule shell 202.

[0030] Furthermore, a bearing 104 is embedded in the front end of the top plate 11's upper surface. A first telescopic cylinder 103 is rotatably mounted within the bearing 104. The top of the first telescopic cylinder 103 is fixedly connected to the cover 32 via a crossbar 102. A limit rod 101 is fixedly mounted on the top plate 11 on the side opposite the placement mechanism 2. The limit rod 101 is perpendicular to the crossbar 102 and contacts it, but is not fixedly connected. The embedded design of the bearing 104 on the front end of the top plate 11 allows the first telescopic cylinder 103 to rotate smoothly within it. This connection of the first telescopic cylinder 103 to the cover 32 via the crossbar 102 enables precise opening and closing control. At the same time, the design of the limit rod 101 ensures the stability and accuracy of the cross bar 102 during movement, among which the embedded design of the bearing 104 provides smooth movement and reduces wear; the connection between the first telescopic cylinder 103 and the cross bar 102 ensures the accuracy of the injection process; the use of the limit rod 101 improves the stability of the entire mechanism and the control accuracy of the rotation angle.

[0031] Furthermore, the cross-sectional dimensions of the placement plate 22 match the inner diameter of the placement rack 23, and the curvature of the inner wall of the placement slot 203 on the placement plate 22 matches the curvature of the bottom of the capsule shell 202. The cross-sectional dimensions of the placement plate 22 are designed to perfectly match the inner diameter of the placement rack 23, ensuring the stable installation of the placement plate 22. The curvature of the inner wall of the placement slot 203 matches the curvature of the bottom of the capsule shell 202. This design not only ensures the stable placement of the capsule shell 202, but also facilitates the rapid positioning and removal of the capsule shell 202. The precise size matching ensures the stability of the placement plate 22 and the correct placement of the capsule shell 202; the curvature matching design simplifies the positioning process of the capsule shell 202 and improves operational efficiency.

[0032] Furthermore, the cross-sectional dimensions of the placement plate 22 match the inner diameter of the placement frame 23, and the curvature of the inner wall of the placement slot 203 on the placement plate 22 matches the curvature of the bottom of the capsule shell 202. In the design, a scraper 303 is mounted within a retaining groove 304 at the center of the upper surface of the receiving trough 31. The top of the scraper 303 passes through the cover 32 and is in transmission connection with the drive motor 302. This design allows the scraper 303 to accurately transport powder or granules under the control of the drive motor 302. The retaining groove 304 ensures the stable rotation and precise positioning of the scraper 303; the control of the drive motor 302 improves the accuracy and repeatability of the powder or granule delivery.

[0033] Furthermore, the top of the cover 32 is fixedly connected to the drive motor 302. A hole is opened on one side of the upper end of the cover 32 and connected to the injection tube 301. This fixed connection between the top of the cover 32 and the drive motor 302 ensures the stability of the cover 32 during the injection process. The design of the injection tube 301 on the upper end of the cover 32 ensures smooth transfer of powder or granules from the receiving trough 31 into the capsule shell 202. Furthermore, the fixed connection between the cover 32 and the drive motor 302 provides a stable operating platform.

[0034] When using the present invention, ensure that all components have been correctly installed and are in working condition. If necessary, the universal wheel 13 at the bottom of the frame 1 can be used to move the device to a suitable position and fix the position with the brake device. Pass the bottom of the capsule shell 202 through the first reserved hole 201 and place it in the placement groove 203 on the placement plate 22. Use the telescopic function of the second telescopic cylinder 21 to adjust the position of the placement plate 22 to ensure that the top height of the capsule shell 202 meets the insertion of the feeding tube 305. Use the first telescopic cylinder 103 to insert the bottom of the feeding tube 305 into the capsule shell 202, and the bottom of the feeding tube 305 contacts the bottom of the inner side of the capsule shell 202. Use the feeding tube 305 to quantitatively inject enough medicine powder or granules for all capsule shells 202 into the receiving trough 31. Start the drive motor 302 and scrape the medicine powder or granules from the receiving trough 31 into the feeding tube 305 through the rotation of the scraper 303. 5, at this time, the first telescopic cylinder 103 is started again, thereby moving the feeding tube 305 upward, and the powder or granules in the feeding tube 305 are injected into the capsule shell 202, thereby completing the filling of the capsule shell 202. After the powder or granules are filled, the first telescopic cylinder 103 is rotated along the bearing 104, thereby moving the injection mechanism 3 away from above the placement mechanism 2, and starting the second telescopic cylinder 21, thereby facilitating the removal of the filled capsule shell 202. Through automated control, multiple capsules can be filled simultaneously to achieve batch production. After production is completed, the equipment is cleaned and maintained in accordance with GMP standards to ensure the normal operation of the equipment and the hygiene of the production environment.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A quantitative capsule filling device, comprising a frame (1), a top plate (11) fixedly mounted on the top of the frame (1), a placement mechanism (2) fixedly mounted on the rear end of the upper surface of the top plate (11), and a material injection mechanism (3) movably mounted on the top of the placement mechanism (2), characterized in that: The placement mechanism (2) comprises a placement rack (23), a placement plate (22) is movably mounted on the inner side of the placement rack (23), a placement groove (203) is provided on the upper surface of the placement plate (22) in a ring array, a first reserved hole (201) is provided at a corresponding position of the placement rack (23) above the placement groove (203), a capsule shell (202) is movably placed in the placement groove (203), and the top of the capsule shell (202) passes through the first reserved hole (201); The injection mechanism (3) comprises a material receiving trough (31), the inner bottom of the material receiving trough (31) is provided with second reserved holes (306) in an annular array, the bottom of the second reserved holes (306) is connected to a feeding pipe (305) installed, and a cover (32) is fixedly installed on the top of the material receiving trough (31); The installation position of the feeding tube (305) matches the placement position of the capsule shell (202). The bottom of the feeding tube (305) adopts an arc-shaped structure design and can contact the bottom of the inner wall of the capsule shell (202). The internal volume of the feeding tube (305) is the amount of medicine that can be filled in the capsule shell (202).

2. A capsule quantitative filling device according to claim 1, characterized in that: A cabinet door (12) is movably mounted on the front of the frame (1), universal wheels (13) are fixedly mounted at the four corners of the bottom of the frame (1), a brake device is provided on the universal wheels (13), and a second telescopic cylinder (21) is fixedly mounted inside the frame (1).

3. A capsule quantitative filling device according to claim 2, characterized in that: The top of the second telescopic cylinder (21) passes through the top plate (11) and is fixedly connected to the center of the bottom of the placement plate (22).

4. The capsule quantitative filling device according to claim 1, characterized in that: A bearing (104) is embedded and installed at the front end of the upper surface of the top plate (11), and a first telescopic cylinder (103) is rotatably installed in the bearing (104). The top of the first telescopic cylinder (103) is fixedly connected to the cover body (32) through a cross bar (102). A limiting rod (101) is fixedly installed on the upper surface of the top plate (11) on the side opposite to the bearing (104) and the placement mechanism (2). The limiting rod (101) is perpendicular to the cross bar (102) and is in contact with the cross bar (102) but is not fixedly connected to the cross bar (102).

5. The capsule quantitative filling device according to claim 1, characterized in that: The cross-sectional dimensions of the placement plate (22) match the inner diameter dimensions of the placement frame (23), and the inner wall curvature of the placement groove (203) on the placement plate (22) matches the bottom curvature of the capsule shell (202).

6. The capsule quantitative filling device according to claim 1, characterized in that: A limiting groove (304) is provided at the center of the upper surface of the material receiving trough (31), a scraper (303) is rotatably installed in the limiting groove (304), and the top of the scraper (303) passes through the cover (32) and is driven by a driving motor (302).

7. The capsule quantitative filling device according to claim 1, characterized in that: The top of the cover body (32) is fixedly connected to the driving motor (302), and a hole is opened on one side of the upper end surface of the cover body (32) and is connected to and installed with a material injection pipe (301).

Citation Information

Patent Citations

  • Accurate quantitative capsule filling device

    CN216070593U