CN113352674B - Medical treatment gynaecology is with cotton processing apparatus that fills up of abandonment - Google Patents
Medical treatment gynaecology is with cotton processing apparatus that fills up of abandonment Download PDFInfo
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- CN113352674B CN113352674B CN202110424830.7A CN202110424830A CN113352674B CN 113352674 B CN113352674 B CN 113352674B CN 202110424830 A CN202110424830 A CN 202110424830A CN 113352674 B CN113352674 B CN 113352674B
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- compression
- box
- cotton pad
- hollow square
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/3003—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/306—Mechanically-driven presses
- B30B9/3064—Mechanically-driven presses by screw means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a medical treatment gynecological waste cotton pad treatment device, which relates to the field of medical equipment and mainly solves the problem that a waste cotton pad is inconvenient to take out after being compressed. The compression device has the advantages that the waste cotton pad is compressed, the space is saved, the compressed waste cotton pad is convenient to take out, and the working efficiency is improved.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a medical gynecological waste cotton pad treatment device.
Background
The medical cotton pad is a disposable medical article for absorbing blood when treating trauma, is mainly made of non-woven fabric, wood pulp cotton, a plastic film and drench membrane non-woven fabric, is soft in material, is convenient to compress, needs to be put into a garbage can after use, and occupies a large space if directly discarded due to large expansibility.
A common waste cotton pad treatment device, for example, a patent with a patent number CN201610752679, named as a patent of a medical gynecological waste cotton pad high-efficiency compacting device, mainly includes a support rod, a first belt pulley, a first swing rod, a second swing rod, a compacting frame, a first slide block, a pressing block, a fixing plate, a guide sleeve, a connecting rod, a second slide block, etc.; the bottom plate top has set gradually branch, guide arm, has placed platform and bracing piece from a left side to the right side, and the branch top is provided with the connecting rod, has reached convenient operation, compaction effect quick, labour saving and time saving to low in manufacturing cost, rational in infrastructure, easy to maintain maintains the maintenance, and convenient to use reduces the input of manpower and materials, has improved work efficiency.
But it has some problems when using, holds the cotton pad compression back, because its self expansibility can be after the compression is finished automatic inflation to the space extrusion nearby, lead to taking out time-consuming and laboursome.
Disclosure of Invention
The invention aims to solve the problems and designs a medical gynecological waste cotton pad treatment device.
The technical scheme of the invention is that the medical treatment gynecological waste cotton pad treatment device comprises a compression box, wherein a garbage throwing mechanism, a warning mechanism, a detection mechanism, a material taking mechanism, a replacing mechanism and a controller are arranged in the compression box, a compression packing mechanism is arranged in the compression box,
the compression and packaging mechanism comprises a hollow square box body arranged on the inner lower surface of a compression box, a compression plate is arranged at the inner upper end of the hollow square box body, a screw rod is arranged on the upper surface of the compression plate, a transverse partition plate is arranged at the inner upper end of the compression box, a rotating motor is arranged on one side of the upper surface of the transverse partition plate, a driving gear is arranged at the rotating end of the rotating motor, through holes are formed in the central position of the upper surface of the transverse partition plate and the upper surface of the compression box, the upper end of the screw rod penetrates through the through holes to extend to the outer side of the compression box, an adjusting nut is arranged at the upper end of the screw rod through a threaded connecting sleeve, a driven gear is arranged on the outer side of the adjusting nut, and the driving gear is meshed with the driven gear, driven gear one side is equipped with stop gear, solid fixed ring is installed to four side surface upper ends of hollow square box, surface mounting has a plurality of go-between on the compression plate, surface mounting has a plurality of fixed pulleys under the transverse baffle, fixed pulley and go-between and solid fixed ring one-to-one, gu be connected with on the fixed ring and connect the rope, it passes fixed pulley and go-between fixed connection to connect rope one end, a plurality of couples are installed in the hollow square box lower extreme outside, be connected with the disposal bag on the couple, surface mounting has a plurality of clips under the compression case, the clip is located the hollow square box outside, the clip clips the disposal bag lower extreme.
The limiting mechanism comprises a limiting column fixedly mounted on one side of the upper surface of the compression plate, a v-shaped limiting block is mounted on one side of the upper end of the limiting column, one end of the driven gear extends into the v-shaped limiting block, and a plurality of supporting wheels are mounted on the upper surface and the lower surface of the v-shaped limiting block.
The garbage throwing mechanism comprises a cotton pad inlet located on one side of the upper end of the hollow square box body, a garbage throwing port is formed in one side of the upper end of the hollow square box body, a flexible connecting channel is arranged between the garbage throwing port and the cotton pad inlet, a garbage throwing channel is installed on the outer side of the garbage throwing port, and a rotary stop door is installed at the inlet end of the garbage throwing channel.
The warning mechanism comprises a starting button fixedly mounted at the lower end of the inner side surface of the hollow square box body, spring telescopic columns are mounted on two sides of the starting button, a pressing plate is arranged on the front side of the starting button, the inner side surface of the pressing plate is fixedly connected with the front side surface of the spring telescopic columns, inclined check blocks are mounted on the front side surface of the pressing plate, spherical grooves are formed in the front side surface of the inclined check blocks, spherical balls are placed in the spherical grooves, inclined slide blocks are mounted on one side of the lower end of the compression box, and a warning lamp is mounted on one side of the upper end of the compression box.
The detection mechanism comprises an infrared distance meter fixedly mounted on the upper surface of the compression plate, a pressure sensor is mounted on the lower surface of the compression plate, and a detection plate is mounted at the detection end of the pressure sensor.
The material taking mechanism comprises an inlet and an outlet which are positioned on the front side of the lower end of the compression box, a protective door is installed on one side of the inlet and the outlet, a padlock is installed on one side of the protective door, and a handle is installed on one side of the padlock.
The replacing mechanism comprises a containing box fixedly installed on one side of the lower end of the compression box, a plurality of containing plates are installed in the containing box, and unused garbage bags are placed on the containing plates.
The compression packing mechanism is located inside the compression box, the garbage throwing mechanism is located on one side of the upper end of the compression box, the warning mechanism is located on one side of the compression box, the detection mechanism is located on a compression plate in the compression packing mechanism, the material taking mechanism is located on one side of the lower end of the compression box, the replacing mechanism is located on one side of the material taking mechanism, and the controller is fixedly installed on one side of the upper end of the compression box.
The medical gynecological waste cotton pad treatment device manufactured by the technical scheme of the invention compresses the waste cotton pad, saves space, can be pushed out from the lower end of the hollow square box body when the waste cotton pad is required to be taken out after being compressed, is convenient to take out, improves the working efficiency, only uses one motor for compression and packaging, and reduces the manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of a waste cotton pad treatment device for medical treatment and gynecology in accordance with the present invention;
FIG. 2 is a partially enlarged view of the medical gynecological waste cotton pad treatment device of the present invention;
FIG. 3 is an enlarged view of a portion of the spacing mechanism of the present invention;
FIG. 4 is an enlarged view of a portion of the warning mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of the take off mechanism of the present invention;
in the figure, 1, a compression box; 2. a controller; 3. a hollow square box body; 4. a compression plate; 5. a screw; 6. a transverse partition; 7. a rotating electric machine; 8. a driving gear; 9. a through hole; 10. adjusting the nut; 11. a driven gear; 12. a fixing ring; 13. a connecting ring; 14. a fixed pulley; 15. connecting ropes; 16. hooking; 17. a refuse bag; 18. a clip; 19. a limiting post; 20. v 21274h-shaped limit block; 21. a support wheel; 22. an inlet of the cotton pad; 23. a garbage throwing port; 24. a flexible connecting channel; 25. a refuse chute; 26. rotating the stop gate; 27. a start button; 28. a spring telescopic column; 29. a pressing plate; 30. inclining the stop block; 31. a spherical recess; 32. a spherical ball; 33. a tilting slide block; 34. a warning light; 35. an infrared range finder; 36. a pressure sensor; 37. detecting a plate; 38. an inlet and an outlet; 39. a protective door; 40. a padlock; 41. a handle; 42. a containing box; 43. a holding plate.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in fig. 1-5.
In this embodiment, control through controller 2, controller 2's model is AQMD6030NS, thereby controller 2's power incoming end and municipal power consumption interface electric connection circular telegram, municipal power consumption interface respectively with rotating electrical machines 7, warning light 34, infrared distance measuring instrument 35, pressure sensor 36 electric connection and supply power, controller 2's control signal output end through with rotating electrical machines 7, infrared distance measuring instrument 35, pressure sensor 36 electric connection and through its operation of relay control.
The utility model provides a creation point lies in compression baling mechanism's structural design, combine figure 1 and figure 2 in this device, the compression baling mechanism is including placing hollow square box 3 at compression case 1 interior lower surface, the upper end is equipped with compression board 4 in hollow square box 3, surface mounting has screw rod 5 on the compression board 4, transverse baffle 6 is installed to the upper end in the compression case 1, rotating electrical machines 7 is installed to transverse baffle 6 upper surface one side, driving gear 8 is installed to rotating electrical machines 7 rotatory end, transverse baffle 6 upper surface central point puts and compression case 1 upper surface is opened there is through-hole 9, screw rod 5 upper end passes through-hole 9 and stretches the compression case 1 outside, adjusting nut 10 is equipped with through the thread adapter sleeve in screw rod 5 upper end, driven gear 11 is installed in the adjusting nut 10 outside, driving gear 8 and 11 meshing of driven gear, 11 one side of driven gear is equipped with stop gear, 3 four side surface upper ends of hollow square box are installed solid fixed ring 12, surface mounting has a plurality of go-up ring 13 on the compression board 4, 6 lower surface mounting has a plurality of fixed pulleys 14, fixed pulley and solid fixed ring 13 and solid fixed ring 12 with solid fixed ring 12 and fixed ring 12 one end are connected with the fixed ring 12, the last end of the hollow square box 18 that 16 lower end is connected with the hollow square box 18, the hollow square box 18 lower clamp is connected with 16, the hollow square box 18 lower clamp of the fixed ring 17 problem of 16, the hollow square box 18 is installed and is connected with the hollow square box, the hollow clamp, the hollow square box 18 lower surface of 16 lower clamp, the lower clamp, garbage 6 lower end of 16 lower clamp, the fixed pulley 17 problem of fixing clamp, the fixed ring 17 problem of fixing clamp is solved the fixed ring 17: can compress the waste cotton pad, is convenient for saving space, can be realized by the rotation of a rotating motor 7 when compressing and packing the waste cotton pad, reduces the manufacturing cost,
still be equipped with rubbish input mechanism in this application, warning mechanism, detection mechanism, feeding agencies, change the mechanism, when abandonment cotton pad abandonment, pull open the rotation shutter 26 in the rubbish input mechanism, with abandonment cotton pad input in hollow square box 3, detect the height of compression plate 4 through infrared distance meter 35 in the detection mechanism, detect the holding amount of abandonment cotton pad by pressure sensor 36, when packing abandonment cotton pad, when driving hollow square box 3 upward movement, through the slope slider 33 and the contact of slope dog 30 in the warning mechanism, and move slope dog 30 to the direction of start button 27, press the start button 27, light warning light 34, after the packing finishes, open the guard gate 39 in the feeding agencies, take out disposal bag 17, and take out new disposal bag 17 from the holding case 42 in the change mechanism and change, its concrete work steps are as follows:
step one, compressing the waste cotton pad: the medical staff takes the collected waste cotton pad to one side of the compression box 1, pulls open the rotary stop door 26, puts the waste cotton pad into the hollow square box 3 through the cotton pad inlet 22, the garbage putting opening 23, the flexible connecting channel 25 and the garbage putting channel 25, starts the rotary motor 7 to rotate, drives the driving gear 8 to rotate by the rotary motor, and drives the adjusting nut 10 to rotate through the meshing of the driving gear 8 and the driven gear 11, because of the inverted-2127420 outside the driven gear 11, the driven gear 11 is intercepted by the shaped limiting block 20, so that the driven gear can not descend, when the adjusting nut 10 rotates, the screw 5 is driven to move downwards through the threaded connection of the adjusting nut 10 and the screw 5, so that the compression plate 4 moves downwards, compresses the waste cotton pad, the distance between the compression plate 4 and the transverse partition plate 6 is detected by the infrared distance measuring instrument 35, the position of the compression plate 4, when the compression plate 4 descends to a certain extent, the compression plate 37 bears the pressure and detects through the pressure sensor 36, when the waste cotton pad is not over the set value, the waste cotton pad can be compressed, when the waste cotton pad needs to be added, the waste compression plate 7 can be rotated again, the waste cotton pad can be compressed, the waste cotton pad can be rotated and the waste cotton pad can be added in the process of rotating process,
and step two, packaging: in the first step, when the value detected by the pressure sensor 36 exceeds the set value, the rotating motor 7 is started to rotate continuously, the compression plate 4 descends continuously, the connecting rope 15 is pulled to the longest, the pulling force direction is changed through the fixed pulley 14, the fixing ring 12 is lifted, the hollow square box body 3 is driven to ascend, the upper end 17 of the upper end of the garbage bag is driven by the hook 16 to move upwards, the lower end of the garbage bag 17 is clamped by the clamp 18 to be stationary, the garbage bag 17 is opened, the waste cotton pad in the hollow square box body 3 enters the garbage bag 17 from the lower end to be packaged, the position of the compression plate is detected by the infrared distance meter 35, the rotating motor 7 is closed, in the process, the waste cotton pad can be compressed and packaged through one motor, the manufacturing cost is reduced,
step three, taking materials: when the hollow square box body 3 rises, the inclined slide block 33 is driven to move upwards, the inclined slide block is contacted with the inclined stop block 30 at the moment, the spring telescopic column 28 is extruded through the inclined plane to move inwards, the starting button 27 is pressed by the pressing plate 29, the warning lamp 34 is powered on, the warning lamp 34 is lightened to remind medical staff, the padlock 40 is opened by the medical staff, the protective door 39 is pulled open, the garbage bag 17 is taken down, a new garbage bag 17 is taken out from the containing box 42 and hung at the lower end of the hollow square box body 3, the hollow square box body 3 is moved back to the original position, the protective door 39 is locked, and in the process, the compressed waste cotton pad can be taken out from the lower part, the taking out is simple, the cleaning is convenient, and the working efficiency is improved.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a medical treatment gynaecology is with abandonment cotton pad processing apparatus, includes compression case (1), be equipped with rubbish input mechanism, warning mechanism, detection mechanism, feeding agencies, change mechanism, controller (2) in compression case (1), its characterized in that, be equipped with compression baling mechanism in compression case (1), compression baling mechanism is including placing hollow square box (3) of lower surface in compression case (1), and upper end is equipped with compression board (4) in hollow square box (3), and surface mounting has screw rod (5) on compression board (4), and transverse partition board (6) are installed to upper end in compression case (1), and rotating electrical machines (7) are installed to transverse partition board (6) upper surface one side, and driving gear (8) are installed to rotating electrical machines (7) rotation end, and transverse partition board (6) upper surface central point puts and compression case (1) upper surface division have through-hole (9), and screw rod (5) upper end is passed through-hole (9) and is stretched the compression case (1) outside, and screw rod (5) upper end is equipped with adjusting nuts (10) through threaded connection cover, and adjusting nuts (10) outside is installed driven gear (11), and driven gear (8) and driven gear (11) side surface mounting have driven gear (11), and driven gear (12) side surface mounting mechanism, and four side surface mounting, the upper surface of the compression plate (4) is provided with a plurality of connecting rings (13), the lower surface of the transverse partition plate (6) is provided with a plurality of fixed pulleys (14), the fixed pulleys (14) and the connecting rings (13) correspond to the fixing rings (12) one by one, the fixing rings (12) are connected with connecting ropes (15), one ends of the connecting ropes (15) penetrate through the fixed pulleys (14) to be fixedly connected with the connecting rings (13), the outer side of the lower end of the hollow square box body (3) is provided with a plurality of hooks (16), the hooks (16) are connected with garbage bags (17), the lower surface of the compression box (1) is provided with a plurality of clamps (18), the clamps (18) are positioned on the outer side of the hollow square box body (3), and the clamps (18) clamp the lower ends of the garbage bags (17);
the garbage throwing mechanism comprises a cotton pad inlet (22) positioned on one side of the upper end of the hollow square box body (3), a garbage throwing port (23) is formed in one side of the upper end of the compression box (1), a flexible connecting channel (24) is arranged between the garbage throwing port (23) and the cotton pad inlet (22), a garbage throwing channel (25) is installed on the outer side of the garbage throwing port (23), and a rotary stop door (26) is installed at the inlet end of the garbage throwing channel (25);
the warning mechanism comprises a starting button (27) fixedly mounted at the lower end of the inner side surface of the compression box (1), spring telescopic columns (28) are mounted on two sides of the starting button (27), a pressing plate (29) is arranged on the front side of the starting button (27), the inner side surface of the pressing plate (29) is fixedly connected with the front side surface of the spring telescopic columns (28), an inclined stop block (30) is mounted on the front side surface of the pressing plate (29), a spherical groove (31) is formed in the front side surface of the inclined stop block (30), spherical balls (32) are placed in the spherical groove (31), an inclined sliding block (33) is mounted on one side of the lower end of the hollow square box body (3), and a warning lamp (34) is mounted on one side of the upper end of the compression box (1);
the detection mechanism comprises an infrared distance meter (35) fixedly mounted on the upper surface of the compression plate (4), a pressure sensor (36) is mounted on the lower surface of the compression plate (4), and a detection plate (37) is mounted at the detection end of the pressure sensor (36);
the material taking mechanism comprises an inlet and an outlet (38) positioned on the front side of the lower end of the compression box (1), a protective door (39) is installed on one side of the inlet and the outlet (38), a padlock (40) is installed on one side of the protective door (39), and a handle (41) is installed on one side of the padlock (40);
the replacing mechanism comprises a containing box (42) fixedly installed on one side of the lower end of the compression box (1), a plurality of containing plates (43) are installed in the containing box (42), and unused garbage bags (17) are placed on the containing plates (43).
2. The medical gynecological waste cotton pad disposal device according to claim 1, wherein the limiting mechanism comprises a limiting column (19) fixedly installed on one side of the upper surface of the compression plate (4), wherein one side of the upper end of the limiting column (19) is provided with a v-shaped limiting block (20), one end of the driven gear (11) extends into the v-shaped limiting block (2127420), one end of the v-shaped limiting block (20) is provided with a plurality of supporting wheels (21), and the upper surface and the lower surface of the v-shaped limiting block (20) are provided with a plurality of supporting wheels (21).
3. The medical gynecological waste cotton pad treatment device according to claim 1, wherein the compression packing mechanism is located inside the compression box (1), the garbage throwing mechanism is located on one side of the upper end of the compression box (1), the warning mechanism is located on one side of the compression box (1), the detection mechanism is located on a compression plate (4) in the compression packing mechanism, the material taking mechanism is located on one side of the lower end of the compression box (1), the replacing mechanism is located on one side of the material taking mechanism, and the controller (2) is fixedly installed on one side of the upper end of the compression box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424830.7A CN113352674B (en) | 2021-04-20 | 2021-04-20 | Medical treatment gynaecology is with cotton processing apparatus that fills up of abandonment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424830.7A CN113352674B (en) | 2021-04-20 | 2021-04-20 | Medical treatment gynaecology is with cotton processing apparatus that fills up of abandonment |
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| Publication Number | Publication Date |
|---|---|
| CN113352674A CN113352674A (en) | 2021-09-07 |
| CN113352674B true CN113352674B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110424830.7A Active CN113352674B (en) | 2021-04-20 | 2021-04-20 | Medical treatment gynaecology is with cotton processing apparatus that fills up of abandonment |
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| CN (1) | CN113352674B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528366A (en) * | 1967-04-26 | 1970-09-15 | Demag Ag | Apparatus for compressing and packing rubbish |
| RU2010724C1 (en) * | 1991-03-01 | 1994-04-15 | Центральное конструкторское бюро морской техники "Рубин" | Vertical press for briquetting loose materials |
| JP2000141094A (en) * | 1998-11-10 | 2000-05-23 | Meisei Kinzoku Seisakusho:Kk | Waste compressing and bagging device |
| CN201183668Y (en) * | 2008-04-03 | 2009-01-21 | 浙江机电职业技术学院 | Intelligent environment protection type dustbin |
| CN201979714U (en) * | 2011-01-13 | 2011-09-21 | 夏连根 | Solar double-screw domestic garbage compression packing machine |
| CN109230045A (en) * | 2018-09-26 | 2019-01-18 | 朱宇柔 | A kind of indoor small garbage can is with refuse bag packing press people |
| CN211441297U (en) * | 2019-11-25 | 2020-09-08 | 龙海冠鸿纺织有限公司 | Cotton thread bag baling press |
| CN212143892U (en) * | 2020-03-31 | 2020-12-15 | 江苏英瑞环保科技有限公司 | Broken compression packing apparatus of rubbish among environmental engineering |
| CN212449095U (en) * | 2020-05-29 | 2021-02-02 | 南京工业职业技术学院 | Hand-pulling type compression garbage can |
-
2021
- 2021-04-20 CN CN202110424830.7A patent/CN113352674B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528366A (en) * | 1967-04-26 | 1970-09-15 | Demag Ag | Apparatus for compressing and packing rubbish |
| RU2010724C1 (en) * | 1991-03-01 | 1994-04-15 | Центральное конструкторское бюро морской техники "Рубин" | Vertical press for briquetting loose materials |
| JP2000141094A (en) * | 1998-11-10 | 2000-05-23 | Meisei Kinzoku Seisakusho:Kk | Waste compressing and bagging device |
| CN201183668Y (en) * | 2008-04-03 | 2009-01-21 | 浙江机电职业技术学院 | Intelligent environment protection type dustbin |
| CN201979714U (en) * | 2011-01-13 | 2011-09-21 | 夏连根 | Solar double-screw domestic garbage compression packing machine |
| CN109230045A (en) * | 2018-09-26 | 2019-01-18 | 朱宇柔 | A kind of indoor small garbage can is with refuse bag packing press people |
| CN211441297U (en) * | 2019-11-25 | 2020-09-08 | 龙海冠鸿纺织有限公司 | Cotton thread bag baling press |
| CN212143892U (en) * | 2020-03-31 | 2020-12-15 | 江苏英瑞环保科技有限公司 | Broken compression packing apparatus of rubbish among environmental engineering |
| CN212449095U (en) * | 2020-05-29 | 2021-02-02 | 南京工业职业技术学院 | Hand-pulling type compression garbage can |
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| CN113352674A (en) | 2021-09-07 |
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Inventor after: Zhu Huaiyan Inventor after: Chen Lin Inventor after: Wang Jing Inventor after: Gao Yongmei Inventor after: Liu Ying Inventor after: Qu Chao Inventor before: Gao Yongmei Inventor before: Liu Ying Inventor before: Qu Chao |
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Effective date of registration: 20221107 Address after: 404600 Yongan Road, Yufu Street, Fengjie County, Chongqing Applicant after: Fengjie maternal and Child Health Hospital (Fengjie maternal and child health and family planning service center) Address before: Shibei District People's road 266033 Shandong city of Qingdao province No. 4 Applicant before: Qu Chao |
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