CN214407926U - Automatic leak detection conveying line for dialyzer production - Google Patents
Automatic leak detection conveying line for dialyzer production Download PDFInfo
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- CN214407926U CN214407926U CN202120862246.5U CN202120862246U CN214407926U CN 214407926 U CN214407926 U CN 214407926U CN 202120862246 U CN202120862246 U CN 202120862246U CN 214407926 U CN214407926 U CN 214407926U
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- station
- dialyzer
- assembly
- pressure measurement
- connecting pipe
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000008280 blood Substances 0.000 description 33
- 210000004369 blood Anatomy 0.000 description 33
- 239000012528 membrane Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- 239000012510 hollow fiber Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 239000008213 purified water Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000037157 Azotemia Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 208000009852 uremia Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The utility model provides an automatic leak detection conveying line for dialyzer production, which comprises a conveying chain, wherein a placing station, a water injection station, an inflation station and a pressure measurement station are sequentially arranged on two sides of the conveying chain along the conveying direction, and a liquid pipeline is arranged at the water injection station; a first gas pipeline for gas sealing is arranged at the inflation station; a second gas pipeline for pressure measurement is arranged at the pressure measurement station; the clamping devices are respectively arranged at the water injection station, the inflation station and the pressure measurement station, each clamping device comprises a connecting pipe, a propelling assembly and a plurality of clamp assemblies, the propelling assembly is provided with the clamp assemblies, and each clamp assembly is respectively connected with the inlet and the outlet of the dialyzer in a matched manner; the pushing assembly is used for driving the clamp assembly to move towards the direction close to or away from the dialyzer inlet and outlet; each clamp assembly is provided with a connecting pipe. The utility model provides a cerini dialyser cerini production has solved the complicated problem of current cerini dialyser cerini side leakage equipment structure with automatic leak hunting transfer chain.
Description
Technical Field
The utility model relates to a cerini dialyser cerini production field, concretely relates to cerini dialyser cerini production is with automatic transfer chain that leaks hunting.
Background
Dialyzers, which are widely used in the treatment of uremic patients, consist of a membrane bundle, a housing, a sealing layer and an end cap. Wherein the membrane bundle is composed of a plurality of hollow fibers, and a plurality of membrane pores with specific size requirements exist in the walls of the hollow fibers. The dialyzer mainly utilizes the principle of semipermeable membrane, introduces the blood of uremia patient and dislysate simultaneously in the dialyzer, makes both in the inside and outside reverse flow of fibre membrane wall, and the poisonous macromolecule in the blood can flow out to the membrane wall outside through the membrane hole, along with the dialyzer outflow is internal. Meanwhile, the functions of removing blood toxin, supplementing blood nutrient substances and adjusting the pH value of blood can be realized by virtue of solute gradient, osmotic gradient and water pressure gradient on the two sides of the membrane wall. If the hollow fiber wall is damaged, blood loss of the patient can be caused, and the dialysis treatment effect of the patient is seriously influenced.
Therefore, in the existing dialyzer assembly production process, the integrity of the fiber membrane wall is detected by adopting a wet leak detection method. The membrane holes on the membrane wall are sealed by water for injection, then compressed air with specific pressure is introduced into two ends of the hollow fiber membrane bundle for pressure maintaining, and the integrity of the membrane wall is judged by detecting the pressure drop value in unit time. On the existing production line, all the procedures of leakage detection are completed on one device, the leakage detection device has a complex structure and high device cost, and the production efficiency is low, so that the yield of the dialyzer is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cerini dialyser cerini production is with automatic transfer chain that leaks hunting to solve the complicated problem of current cerini dialyser cerini side leakage equipment structure.
The utility model provides a cerini dialyser cerini production is with automatic transfer chain that leaks hunting, include:
the device comprises a conveying chain, a placing station, a water injection station, an inflation station and a pressure measurement station, wherein the placing station, the water injection station, the inflation station and the pressure measurement station are sequentially arranged on two sides of the conveying chain along the conveying direction, and a liquid pipeline is arranged at the water injection station; a first gas pipeline for gas sealing is arranged at the inflation station; a second gas pipeline for pressure measurement is arranged at the pressure measurement station; and
the clamping devices are respectively arranged at the water injection station, the inflation station and the pressure measurement station, each clamping device comprises a connecting pipe, a propelling assembly and a plurality of clamp assemblies, the clamp assemblies are mounted on the propelling assemblies, and each clamp assembly is respectively connected with the inlet and the outlet of the dialyzer in a matched manner; the pushing assembly is used for driving the clamp assembly to move towards a direction close to or away from the dialyzer inlet and outlet; each clamp assembly is provided with the connecting pipe, the connecting pipe at the water injection station is connected with the liquid pipeline, the connecting pipe at the air inflation station is connected with the first gas pipeline, and the connecting pipe at the pressure measurement station is connected with the second gas pipeline.
Optionally, the clamp assembly comprises a clamping block, an installation sleeve and an installation plate, the clamping block is fixedly connected with the installation sleeve, the clamping block is provided with a cavity, an opening of the cavity is formed in the end face, far away from the installation sleeve, of the clamping block, and the cavity is communicated with the connecting pipe; the mounting sleeve is mounted on the mounting plate, and the mounting plate is mounted on the propelling component.
Optionally, the dialyzer inlet and outlet is accommodated in the cavity, and a sealing ring is arranged at the joint of the clamping block and the dialyzer inlet and outlet.
Optionally, the propelling assembly comprises a horizontal driving assembly and a lifting driving assembly, the horizontal driving assembly is arranged on two sides of the conveying link, and the lifting driving assembly is arranged below the conveying chain.
Optionally, the horizontal driving assembly includes a first mounting frame, a first cylinder, a first guide rail and a first slider, and the first cylinder is connected to the corresponding mounting plate; the first guide rail is arranged on the first mounting frame along the horizontal direction; the mounting plate is slidably mounted on the first guide rail through the first sliding block; the first cylinder is used for driving the mounting plate to move along the horizontal direction;
the lifting driving assembly comprises a second mounting frame, a second air cylinder, a second guide rail and a second sliding block, and the second air cylinder is connected with the corresponding mounting plate; the second guide rail is arranged on the second mounting frame along the vertical direction; the mounting plate is slidably mounted on the second guide rail through the second sliding block; the second cylinder is used for driving the mounting plate to move along the vertical direction.
Optionally, the dialyzer also comprises a tray for placing the dialyzer and a limiting device for temporarily blocking the movement of the tray, the tray is mounted on the conveying chain, and the limiting devices are arranged at the placing station, the water injection station, the air inflation station and the pressure measurement station.
Optionally, a feeding assembly is arranged at the placing station, and the feeding assembly is an industrial robot.
Optionally, pneumatic control valves are arranged on the liquid pipeline, the first gas pipeline and the second gas pipeline; and a pressure sensor is also arranged on the second gas pipeline and is arranged between the pneumatic control valve and the connecting pipe.
The utility model discloses an automatic transfer chain that leaks hunting is used in cerini dialyser cerini production is through setting gradually the water injection station in transfer chain both sides, aerify station and pressure measurement station to set up clamping device in water injection station, aerify station and pressure measurement station department, make the cerini dialyser cerini accomplish respectively under the drive of transfer chain the cerini dialyser cerini leaks the process of filling water, water seal, atmoseal, blowing, pressure measuring drop of technique, simple structure, equipment cost is low, and degree of automation is high, has improved production efficiency.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of an automatic leak detection conveying line for dialyzer production according to an embodiment of the present invention;
fig. 2 is a schematic view of a clamping device of an automatic leak detection conveying line for dialyzer production according to an embodiment of the present invention;
figure 3 is a schematic diagram of a dialyzer.
Detailed Description
As shown in fig. 1-3, the embodiment of the utility model provides a cerini dialyser cerini production is with automatic transfer chain that leaks hunting, including transfer chain 10 and a plurality of clamping device, transfer chain 10 both sides have set gradually along direction of transfer and have placed station 11, water injection station 12, aerify station 13 and pressure measurement station 14, and water injection station 12 department is provided with the liquid pipeline. A first gas line for gas sealing is arranged at the inflation station 13. A second gas line for pressure measurement is provided at the pressure measurement station 14. The plurality of clamping devices are respectively arranged at the water injection station 12, the air inflation station 13 and the pressure measurement station 14, each clamping device comprises a connecting pipe 2, a propelling assembly and a plurality of clamp assemblies 40, the propelling assembly is provided with the clamp assemblies 40, and each clamp assembly 40 is respectively connected with the inlet and the outlet of the dialyzer in a matched manner. The propulsion assembly is used to drive the clamp assembly 40 to move toward or away from the dialyzer access port. Each clamp assembly 40 is provided with a connecting pipe 2, the connecting pipe 2 at the water injection station 12 is connected with a liquid pipeline, the connecting pipe 2 at the air inflation station 13 is connected with a first gas pipeline, and the connecting pipe 2 at the pressure measurement station 14 is connected with a second gas pipeline. Specifically, a pressure measuring device is provided at the pressure measuring station 14. The conveyor chain 10 is an endless conveyor chain. The connection pipe 2 is an L-shaped pipe. The dialyzer inlet and outlet include a blood compartment inlet 51, a blood compartment outlet 52, a dialysate inlet 53, and a dialysate outlet 54.
The automatic leak hunting transfer chain course of work is used in cerini dialyser cerini production in this embodiment: at the placing station 11, the dialyzer 50 to be tested for leaks is placed on the conveyor chain 10 and transported to the filling station 12. In the filling station 12, the connection tube 2 on the blood chamber inlet 51 side is connected to a water inlet tube of a liquid line, and the connection tube 2 on the blood chamber outlet 52 and the dialysate inlet 53 side is connected to a water outlet tube of the liquid line. Purified water is filled in the water inlet pipe, and a liquid pipeline connected with the connecting pipe 2 at the side of the dialysate outlet 54 is closed. The pushing assembly drives one part of the clamp assembly 40 to move towards the direction close to the blood chamber inlet 51 and the blood chamber outlet 52, and then the pushing assembly drives the other part of the clamp assembly 40 to move towards the direction close to the dialysate inlet 53 and the dialysate outlet 54, so that the clamp assembly 40 is connected with the inlet and the outlet of the dialyzer. The liquid pipelines at the blood chamber inlet 51, the blood chamber outlet 52 and the dialysate inlet 53 are opened, purified water enters the dialyzer 50 from the blood chamber inlet 51 side, the water filling process is started, the hollow fiber membrane filaments are wetted, and water is discharged from the liquid pipelines at the blood chamber outlet 52 and the dialysate inlet 53 side in the wetting process. After 10S, the liquid pipeline on the outlet 52 side of the blood chamber is closed, the water sealing process is started, purified water is introduced from the inlet 51 side of the blood chamber and is discharged from the outlet 52 side of the blood chamber, the operation of the process on the water injection station 12 after 5S is completed, the dialyzer 50 is conveyed to the inflating station 13 by the conveying chain 10, and meanwhile, a new dialyzer 50 to be detected enters the water injection station 12 from the placing station 11.
In the inflating station 13, the air inlet pipe in the first gas pipeline connected with the connecting pipe 2 at the blood chamber inlet 51 and the dialysate inlet 53 is clean compressed air, the connecting pipe 2 at the blood chamber outlet 52 and the dialysate outlet 54 side is an exhaust pipe, the air inlet pipe at the blood chamber inlet 51 and the dialysate outlet 54 side is communicated, the exhaust pipe at the dialysate inlet 53 and the blood chamber outlet 52 side is closed, the clean compressed air introduced into the blood chamber inlet 51 blows the water in the hollow fiber membrane filaments from the blood side to the dialysate side, so that the membrane holes on the walls of the hollow fiber membrane filaments are blocked by water, and the air and the water are exhausted from the exhaust pipe at the dialysate outlet 54 side in the air sealing process. After 10S, the air blowing process is started, all the air inlet pipes and the air outlet pipes on the sides of the blood chamber inlet 51, the blood chamber outlet 52, the dialysate inlet 53 and the dialysate outlet 54 are opened, clean compressed air is blown into the sides of the blood chamber inlet 51 and the dialysate inlet 53 simultaneously, excess water in the blood channel and the dialysate channel is blown away, and the excess water is discharged from the air outlet pipes on the sides of the blood chamber outlet 52 and the dialysate outlet 54. Upon completion of the air seal operation, the dialyzer 50 is conveyed to the pressure measurement station 14.
In the pressure measuring station 14, the connecting pipe 2 at the blood chamber inlet 51 side is connected with an air inlet pipe of a second gas pipeline, clean compressed air for testing is arranged in the air inlet pipe, a connecting exhaust pipe is arranged on the connecting pipe 2 at the dialysate inlet 53 side and the dialysate outlet 54 side, the exhaust pipe is opened to be communicated with the atmosphere, and the connecting pipe 2 at the blood chamber outlet 52 side is connected with the second gas pipeline to be closed. The blood chamber inlet 51 is closed after the test compressed air 5S is introduced. And a pressure measuring device at a pressure measuring station 14 records the pressure at the beginning, records the pressure once after 10 seconds, and makes a difference between the two pressure values. Judging whether the hollow fiber membrane silk wall of the dialyzer 50 is broken according to the value, after all the dialyzers 50 are tested, allowing the dialyzers 50 to pass, detecting the dialyzers 50 which are not detected to a waste product frame, and conveying the dialyzers 50 which are detected to be qualified to the next station for continuous assembly.
In this embodiment, through set gradually water injection station 12, aerify station 13 and pressure measurement station 14 in transfer chain 10 both sides to set up clamping device in water injection station 12, aerify station 13 and pressure measurement station 14 department, make cerini dialyser cerini 50 accomplish respectively cerini dialyser cerini 50 leak hunting process fill water, water seal, atmoseal, blow, survey the process of pressure drop under the drive of transfer chain 10, simple structure, equipment cost is low, and degree of automation is high, has improved production efficiency.
As shown in fig. 1 and 2, in some embodiments of the present invention, the clamp assembly 40 includes a clamping block 41, an installation sleeve 42 and a mounting plate 43, the clamping block 41 is fixedly connected to the installation sleeve 42, the clamping block 41 is provided with a cavity, an opening of the cavity is disposed on an end surface of the clamping block 41 far away from the installation sleeve 42, and the cavity is communicated with the connection pipe 2. The mounting sleeve 42 is mounted on a mounting plate 43, the mounting plate 43 being mounted on the propulsion assembly.
The utility model discloses an in some embodiments, the cerini dialyser cerini is imported and exported the holding in the cavity, and the junction that clamp splice 41 and cerini dialyser cerini were imported and exported is provided with the sealing washer, guarantees the leakproofness of being connected between liquid outlet and the clamp splice 41.
As shown in fig. 1 and 2, in some embodiments of the present invention, the propelling assembly includes a horizontal driving assembly 31 and a lifting driving assembly, the horizontal driving assembly 31 is disposed at both sides of the conveying chain 10, and the lifting driving assembly is disposed below the conveying chain 10. Specifically, two clamp assemblies 40 are mounted on the horizontal driving assembly 31 and the lifting driving assembly, and the two dialyzers 50 are clamped simultaneously, so that the production efficiency is improved.
As shown in fig. 1 and 2, in some embodiments of the present invention, the horizontal driving assembly 31 includes a first mounting bracket, a first cylinder 311, a first guide rail 312 and a first slider, and the first cylinder 311 is connected to the corresponding mounting plate 43. The first guide rail 312 is installed on the first mounting bracket in a horizontal direction. The mounting plate 43 is slidably mounted to the first rail 312 via a first slider. The first cylinder 311 is used to drive the mounting plate 43 to move in the horizontal direction.
The lifting driving assembly comprises a second mounting frame, a second air cylinder 321, a second guide rail 322 and a second sliding block, and the second air cylinder 321 is connected with the corresponding mounting plate 43. The second rail 322 is mounted on the second mounting bracket in a vertical direction. The mounting plate 43 is slidably mounted to the second rail 322 by a second slider. The second cylinder 321 is used to drive the mounting plate 43 to move in the vertical direction. After the clamp assembly 40 is driven by the horizontal driving assembly 31 to clamp the dialyzer 50 from the horizontal direction, the elevation driving assembly drives the clamp assembly 40 to move upward and connect with the dialysate inlet 53 and the dialysate outlet 54.
As shown in fig. 1 and 2, in some embodiments of the utility model, the cerini dialyser cerini 50 leak hunting transfer chain still includes tray 6 that is used for placing cerini dialyser cerini 50 and the restriction device that is used for blocking tray 6 temporarily and removes, and tray 6 installs on transfer chain 10, places station 11, water injection station 12, aerifys station 13 and pressure measurement station 14 department and all is provided with the restriction device, makes the orderly progress of leak hunting process.
The utility model discloses an in some embodiments, place station 11 department and be provided with the material loading subassembly, the material loading subassembly is industrial robot.
In some embodiments of the present invention, the liquid pipeline, the first gas pipeline and the second gas pipeline are all provided with a pneumatic control valve. And a pressure sensor is also arranged on the second gas pipeline and is arranged between the pneumatic control valve and the connecting pipe 2 to detect the change of the air pressure.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (8)
1. The utility model provides a cerini dialyser cerini production is with automatic transfer chain that leaks hunting which characterized in that includes:
the device comprises a conveying chain, a placing station, a water injection station, an inflation station and a pressure measurement station, wherein the placing station, the water injection station, the inflation station and the pressure measurement station are sequentially arranged on two sides of the conveying chain along the conveying direction, and a liquid pipeline is arranged at the water injection station; a first gas pipeline for gas sealing is arranged at the inflation station; a second gas pipeline for pressure measurement is arranged at the pressure measurement station; and
the clamping devices are respectively arranged at the water injection station, the inflation station and the pressure measurement station, each clamping device comprises a connecting pipe, a propelling assembly and a plurality of clamp assemblies, the clamp assemblies are mounted on the propelling assemblies, and each clamp assembly is respectively connected with the inlet and the outlet of the dialyzer in a matched manner; the pushing assembly is used for driving the clamp assembly to move towards a direction close to or away from the dialyzer inlet and outlet; each clamp assembly is provided with the connecting pipe, the connecting pipe at the water injection station is connected with the liquid pipeline, the connecting pipe at the air inflation station is connected with the first gas pipeline, and the connecting pipe at the pressure measurement station is connected with the second gas pipeline.
2. The automatic leakage detection conveying line for dialyzer production as claimed in claim 1, wherein the clamp assembly comprises a clamping block, a mounting sleeve and a mounting plate, the clamping block is fixedly connected with the mounting sleeve, the clamping block is provided with a cavity, the cavity opening is arranged on the end surface of the clamping block far away from the mounting sleeve, and the cavity is communicated with the connecting pipe; the mounting sleeve is mounted on the mounting plate, and the mounting plate is mounted on the propelling component.
3. The automatic leak detection conveying line for dialyzer production according to claim 2, wherein the dialyzer inlet and outlet is received in the cavity, and a sealing ring is arranged at the connection of the clamp block and the dialyzer inlet and outlet.
4. The automatic leak detection conveying line for dialyzer production as claimed in claim 2, wherein said propelling assembly comprises a horizontal driving assembly and a lifting driving assembly, said horizontal driving assembly is disposed on both sides of said conveying line, and said lifting driving assembly is disposed below said conveying chain.
5. The automatic leak detection conveying line for dialyzer production defined in claim 4,
the horizontal driving assembly comprises a first mounting frame, a first air cylinder, a first guide rail and a first sliding block, and the first air cylinder is connected with the corresponding mounting plate; the first guide rail is arranged on the first mounting frame along the horizontal direction; the mounting plate is slidably mounted on the first guide rail through the first sliding block; the first cylinder is used for driving the mounting plate to move along the horizontal direction;
the lifting driving assembly comprises a second mounting frame, a second air cylinder, a second guide rail and a second sliding block, and the second air cylinder is connected with the corresponding mounting plate; the second guide rail is arranged on the second mounting frame along the vertical direction; the mounting plate is slidably mounted on the second guide rail through the second sliding block; the second cylinder is used for driving the mounting plate to move along the vertical direction.
6. The automatic leak detection conveying line for dialyzer production according to claim 1, further comprising a tray for placing the dialyzer and a restriction device for temporarily blocking movement of the tray, wherein the tray is mounted on the conveying chain, and the restriction device is disposed at each of the placing station, the water filling station, the air filling station and the pressure measuring station.
7. The automatic leak detection conveying line for dialyzer production as set forth in claim 1, wherein a feeding component is provided at said placing station, said feeding component being an industrial robot.
8. The automatic leak detection conveying line for dialyzer production according to claim 1, wherein pneumatic valves are disposed on the liquid pipeline, the first gas pipeline and the second gas pipeline; and a pressure sensor is also arranged on the second gas pipeline and is arranged between the pneumatic control valve and the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120862246.5U CN214407926U (en) | 2021-04-25 | 2021-04-25 | Automatic leak detection conveying line for dialyzer production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120862246.5U CN214407926U (en) | 2021-04-25 | 2021-04-25 | Automatic leak detection conveying line for dialyzer production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214407926U true CN214407926U (en) | 2021-10-15 |
Family
ID=78032575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120862246.5U Active CN214407926U (en) | 2021-04-25 | 2021-04-25 | Automatic leak detection conveying line for dialyzer production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214407926U (en) |
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2021
- 2021-04-25 CN CN202120862246.5U patent/CN214407926U/en active Active
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