CN215438929U - Anti-sticking synthetic roll equipment for producing waterproof roll - Google Patents
Anti-sticking synthetic roll equipment for producing waterproof roll Download PDFInfo
- Publication number
- CN215438929U CN215438929U CN202121895520.5U CN202121895520U CN215438929U CN 215438929 U CN215438929 U CN 215438929U CN 202121895520 U CN202121895520 U CN 202121895520U CN 215438929 U CN215438929 U CN 215438929U
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- China
- Prior art keywords
- coiling
- box
- waterproofing membrane
- roll
- plastic film
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002985 plastic film Substances 0.000 claims abstract description 57
- 229920006255 plastic film Polymers 0.000 claims abstract description 57
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 238000004078 waterproofing Methods 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 42
- 238000003860 storage Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 39
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses anti-sticking synthetic roll equipment for producing waterproof rolls, which comprises a roll forming box; rolling into a roll box: a coiling cavity is arranged on the right side inside the coiling box, a pretreatment cavity communicated with the coiling cavity is arranged on the left side inside the coiling box, chucks are rotatably connected to the centers of the front inner wall and the rear inner wall of the coiling cavity through bearings, a motor output shaft arranged at the right end of the front side surface of the coiling box is fixedly connected with the chuck on the front side, and a coiling roller is arranged between the two chucks through bolts; wherein: the front side surface of the coiling box is provided with a control switch, the input end of the control switch is electrically connected with an external power supply, and the input end of the motor is electrically connected with the output end of the control switch; this waterproofing membrane production is with antiseized synthetic book equipment can accomplish the waterproofing membrane rolling work of different width fast to cover the plastic film that all scribbles lubricating oil on two sides at the rolling in-process and press at waterproofing membrane's upper surface along with waterproofing membrane is together the rolling, in order to avoid taking place the adhesion between the waterproofing membrane and influence follow-up use.
Description
Technical Field
The utility model relates to the technical field of waterproof coiled material production, in particular to anti-sticking coiling equipment for waterproof coiled material production.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
After waterproofing membrane production is accomplished, need carry out rolling packing work to it, make the strip waterproofing membrane of great length form discoid, facilitate for waterproofing membrane's follow-up transport work.
And when carrying out the rolling to waterproofing membrane, receive waterproofing membrane's self nature influence, can take place the adhesion between the waterproofing membrane of ectonexine, the card roll condition can appear when waterproofing membrane's the actual roll of unreeling uses, influences the efficiency of construction, for this, we provide a waterproofing membrane production with antiseized compound book equipment.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide an anti-sticking compound roll device for producing waterproof rolls, which can quickly complete the rolling work of waterproof rolls with different widths, and press and cover a plastic film with two surfaces coated with lubricating oil on the upper surface of the waterproof roll in the rolling process along with the waterproof roll, so that the waterproof rolls are prevented from being adhered to each other to influence the subsequent use, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: an anti-sticking synthetic roll device for producing waterproof rolls comprises a roll forming box;
rolling into a roll box: a coiling cavity is arranged on the right side inside the coiling box, a pretreatment cavity communicated with the coiling cavity is arranged on the left side inside the coiling box, chucks are rotatably connected to the centers of the front inner wall and the rear inner wall of the coiling cavity through bearings, a motor output shaft arranged at the right end of the front side surface of the coiling box is fixedly connected with the chuck on the front side, and a coiling roller is arranged between the two chucks through bolts;
wherein: become the leading flank of roll-up case and be equipped with control switch, external power source is connected to control switch's input electricity, and control switch's output is connected to the input electricity of motor, can accomplish the waterproofing membrane rolling work of different width fast to cover the plastic film that all scribbled lubricating oil on two-sided at the rolling in-process and press the upper surface that covers at waterproofing membrane along with waterproofing membrane is together the rolling, in order to avoid taking place the adhesion between the waterproofing membrane and influence follow-up use.
Further, the outer cambered surface sliding connection of wind-up roll has the limiting plate of two longitudinal symmetries, and equal threaded connection has the puller rod in the screw of limiting plate outer cambered surface, can satisfy the waterproofing membrane rolling spacing work of different width.
Further, become the upper surface left end of rolling up the case and be equipped with the smooth mouthful of fat liquoring that is linked together with the preliminary treatment chamber, the inside lateral sliding connection of the smooth mouthful of fat liquoring has bilateral symmetry's oil storage box, the oiling mouth department of oil storage box upper surface center department all is equipped with the oiling pipe, it is connected with the fat liquoring roller all to rotate in the opening of the relative medial surface lower extreme of two oil storage boxes, two oil storage boxes back of the body from the lateral surface respectively with the smooth mouthful adjacent inner wall of fat liquoring between be equipped with evenly distributed's first spring, the upper surface left end of rolling up the case is equipped with the plastic film book bracket of longitudinal symmetry, can prevent through the separation of plastic film and lubricating oil after the waterproofing membrane rolling from taking place the adhesion and influencing follow-up use between the waterproofing membrane.
Further, the inner wall all is equipped with the pressfitting spout around the preliminary treatment chamber, and the equal vertical sliding connection in inside of pressfitting spout has the movable block, rotates between two movable blocks to be connected with the compression roller, is equipped with the second spring between the inside roof of pressfitting spout and the upper surface of movable block, and the inside right side of preliminary treatment chamber is connected with down the compression roller through round pin hub rotation, goes up the compression roller and corresponds with the compression roller is vertical down, can compress tightly the plastic film and cover at waterproofing membrane's upper surface.
Furthermore, the lower end in the pretreatment cavity is rotatably connected with bilaterally symmetrical waterproof coiled material guide rollers through a pin shaft, so that guide support can be provided for the waterproof coiled material to enable the waterproof coiled material to be stretched straight, and a gap is prevented from being formed between the waterproof coiled material and a plastic film.
Furthermore, the upper end in the pretreatment cavity is rotatably connected with a plastic film guide roller through a pin shaft, so that the plastic film and the oil storage box can be prevented from being damaged due to friction.
Furthermore, the bottom surface of the coiling box is provided with a bottom plate, and four corners of the bottom plate are symmetrically provided with fixing holes, so that the coiling box can be fixed, and the stability of the working environment is ensured.
Compared with the prior art, the utility model has the beneficial effects that: this waterproofing membrane production is with antiseized synthetic book equipment has following benefit:
1. use outside bolt to be connected bottom plate and installation site through the fixed orifices, realize the rigidity to becoming the rolling box, ensure operational environment's stability, personnel adjust the interval between two limiting plates according to waterproofing membrane's width manual work afterwards, then screw the tightening rod and make its outer cambered surface contact with the wind-up roll, realize the fixed of limiting plate through the effect of frictional force, satisfy the waterproofing membrane rolling spacing work of different widths.
2. The waterproof coiled material is sequentially wound around two waterproof coiled material guide rollers and a lower compression roller from left to right, then the right end of the waterproof coiled material is fixed with a winding roller through glue, meanwhile, a plastic film roll support is placed in a plastic film roll bracket, the lower end of the plastic film roll is sequentially wound around the plastic film guide roller and an upper compression roller, at the moment, a movable block can drive the upper compression roller to move downwards under the action of a second spring, the upper compression roller and the lower compression roller are matched to tightly press the waterproof coiled material and the plastic film, then a motor operates to drive a chuck on the front side to rotate clockwise through the regulation and control of a control switch, the waterproof coiled material and the plastic film can be gradually wound and wound outside the winding roller, when the plastic film passes through an oil coating sliding opening, two oil storage boxes are oppositely close under the action of a first spring, the two oil coating rollers clamp the plastic film, and along with the winding of the waterproof coiled material and the plastic film, the two oil coating rollers can rotate along with the oil coating rollers to coat lubricating oil injected into the interior of the oil storage boxes in advance through an oil injection pipe on the outer surface of the plastic film, the separation through plastic film and lubricating oil can prevent to take place the adhesion and influence follow-up use between the waterproofing membrane after the waterproofing membrane rolling, and waterproofing membrane guide roll can support for waterproofing membrane provides the direction and make waterproofing membrane straight to there is the clearance between waterproofing membrane and the plastic film, the plastic film guide roll can prevent that plastic film and oil storage box from taking place the friction and impaired.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 3 is a schematic left-view internal cross-sectional structure of the present invention;
FIG. 4 is an enlarged view of the structure of the present invention at B;
FIG. 5 is a schematic in-plane cross-sectional view of the present invention.
In the figure: 1 coiling box, 2 coiling chamber, 3 preliminary treatment chamber, 4 chucks, 5 motors, 6 take-up rolls, 7 control switches, 8 limiting plates, 9 tightening rods, 10 oiling sliding mouths, 11 oil storage boxes, 12 oil injection pipes, 13 oiling rolls, 14 first springs, 15 plastic film coil brackets, 16 pressing sliding chutes, 17 movable blocks, 18 upper compression rolls, 19 second springs, 20 lower compression rolls, 21 waterproof coiled material guide rolls, 22 plastic film guide rolls, 23 bottom plates and 24 fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present embodiment provides a technical solution: an anti-sticking synthetic roll device for producing waterproof rolls comprises a roll forming box 1;
coiling box 1: a coiling cavity 2 is arranged on the right side of the interior of the coiling box 1, a pretreatment cavity 3 communicated with the coiling cavity 2 is arranged on the left side of the interior of the coiling box 1, chucks 4 are rotatably connected to the centers of the front inner wall and the rear inner wall of the coiling cavity 2 through bearings, an output shaft of a motor 5 arranged at the right end of the front side surface of the coiling box 1 is fixedly connected with the chuck 4 at the front side, a winding roller 6 is arranged between the two chucks 4 through bolts, the motor 5 rotates to drive the chuck 4 at the front side to rotate clockwise through the regulation and control of a control switch 7, and a waterproof coiled material and a plastic film which finish preparation work can be gradually wound and wound outside the winding roller 6;
wherein: the front side of the coiling box 1 is provided with a control switch 7, the input end of the control switch 7 is electrically connected with an external power supply, and the input end of the motor 5 is electrically connected with the output end of the control switch 7.
Wherein: the limiting plate 8 of symmetry around two is connected with to the extrados sliding of wind-up roll 6, and equal threaded connection has a puller bar 9 in the screw of the extrados of limiting plate 8, and personnel are according to waterproofing membrane's width manual regulation interval between two limiting plates 8, then screws puller bar 9 and make its extrados contact with wind-up roll 6, realizes fixing limiting plate 8 through the effect of frictional force, satisfies the waterproofing membrane rolling spacing work of different widths.
Wherein: an oil coating sliding opening 10 communicated with the pretreatment cavity 3 is arranged at the left end of the upper surface of the coiling box 1, oil storage boxes 11 which are bilaterally symmetrical are transversely and slidably connected inside the oil coating sliding opening 10, oil filling pipes 12 are respectively arranged at oil filling openings at the centers of the upper surfaces of the oil storage boxes 11, oil coating rollers 13 are respectively and rotatably connected inside openings at the lower ends of the opposite inner side surfaces of the two oil storage boxes 11, first springs 14 which are uniformly distributed are respectively arranged between the opposite outer side surfaces of the two oil storage boxes 11 and the adjacent inner walls of the oil coating sliding openings 10, plastic film coiling brackets 15 which are symmetrical in the front and back are arranged at the left end of the upper surface of the coiling box 1, when the plastic film passes through the oil coating sliding opening 10, the two oil storage boxes 11 are oppositely close under the action of the first springs 14, so that the two oil coating rollers 13 clamp the plastic film, and the two oil coating rollers 13 can rotate along with the rolling of the waterproof coiled material and the plastic film to coat the outer surface of the plastic film with lubricating oil filling pipes 12 injected in advance inside of the oil storage boxes 11, after the waterproof coiled material is rolled, the waterproof coiled material can be prevented from being adhered to each other through the obstruction of the plastic film and the lubricating oil, so that the subsequent use is influenced.
Wherein: the front inner wall and the rear inner wall of the pretreatment cavity 3 are respectively provided with a pressing sliding groove 16, the interior of the pressing sliding groove 16 is vertically connected with a movable block 17 in a sliding way, an upper press roller 18 is rotatably connected between the two movable blocks 17, a second spring 19 is arranged between the inner top wall of the pressing sliding groove 16 and the upper surface of the movable block 17, the right side of the interior of the pretreatment cavity 3 is rotatably connected with a lower press roller 20 through a pin shaft, the upper press roller 18 vertically corresponds to the lower press roller 20, a waterproof coiled material sequentially bypasses two waterproof coiled material guide rollers 21 and the lower press roller 20 from left to right, then the right end of the waterproof coiled material is fixed with the wind-up roller 6 through glue, meanwhile, the plastic film roll is placed in the plastic film roll bracket 15, the lower end of the plastic film roll sequentially bypasses the plastic film guide roller 22 and the upper compression roller 18, and the movable block 17 is driven by the second spring 19 to move the upper compression roller 18 downwards, so that the upper compression roller 18 and the lower compression roller 20 are matched to compress the waterproof roll material and the plastic film.
Wherein: the lower end of the interior of the pretreatment cavity 3 is rotationally connected with bilaterally symmetrical waterproofing membrane guide rollers 21 through a pin shaft, and the waterproofing membrane guide rollers 21 can provide guide support for the waterproofing membrane to enable the waterproofing membrane to be stretched straight so as to prevent a gap from being formed between the waterproofing membrane and a plastic film.
Wherein: the upper end of the interior of the pretreatment cavity 3 is rotatably connected with a plastic film guide roller 22 through a pin shaft, and the plastic film guide roller 22 can prevent the plastic film from being damaged due to friction with the oil storage box 11.
Wherein: the bottom surface of the coil box 1 is provided with a bottom plate 23, four corners of the bottom plate 23 are symmetrically provided with fixing holes 24, the bottom plate 23 is connected with the installation part through the fixing holes 24by using external bolts, the position of the coil box 1 is fixed, and the stability of the working environment is ensured.
The working principle of the anti-sticking synthetic roll equipment for producing the waterproof roll material provided by the utility model is as follows: the bottom plate 23 is connected with the installation part through a fixing hole 24by using an external bolt, so that the position fixation of the coiling box 1 is realized, the stability of the working environment is ensured, then personnel manually adjust the distance between two limit plates 8 according to the width of the waterproof coiled material, then the tightening rod 9 is screwed to make the tightening rod contact with the outer arc surface of the coiling roller 6, the limit plates 8 are fixed through the action of friction force, the coiling limit work of the waterproof coiled material with different widths is met, then the waterproof coiled material sequentially bypasses two waterproof coiled material guide rollers 21 and a lower pressure roller 20 from left to right, the right end of the waterproof coiled material is fixed with the coiling roller 6 through glue, meanwhile, the plastic film coil is supported in the plastic film coil bracket 15, the lower end of the plastic film coil sequentially bypasses a plastic film guide roller 22 and an upper pressure roller 18, at the moment, the movable block 17 can drive the upper pressure roller 18 to move downwards under the action of a second spring 19, the upper compression roller 18 and the lower compression roller 20 are matched to compress the waterproof coiled material and the plastic film tightly, then the motor 5 is operated to drive the chuck 4 on the front side to rotate clockwise through the regulation and control of the control switch 7, the waterproof coiled material and the plastic film can be gradually wound and wound outside the winding roller 6, when the plastic film passes through the oil coating sliding opening 10, the two oil storage boxes 11 are relatively close to each other under the action of the first spring 14, the two oil coating rollers 13 clamp the plastic film tightly, along with the winding of the waterproof coiled material and the plastic film, the two oil coating rollers 13 can rotate along with the oil coating rollers to coat the lubricating oil injected into the oil storage boxes 11 in advance through the oil injection pipe 12 on the outer surface of the plastic film, after the waterproof coiled material is wound, the adhesion between the waterproof coiled material can be prevented through the separation of the plastic film and the lubricating oil to influence the subsequent use, the waterproof coiled material guide roller 21 can provide guide support for the waterproof coiled material to enable the waterproof coiled material to be stretched straight, so as to prevent a gap between the waterproof roll and the plastic film, and the plastic film guide roller 22 can prevent the plastic film from being damaged due to friction with the oil storage box 11.
It should be noted that the motor 5 disclosed in the above embodiment is a 24BYJ48 motor, and the control switch 7 is provided with a switch button corresponding to the motor 5 for controlling the switch operation thereof.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a waterproofing membrane production is with antiseized compound equipment of rolling up which characterized in that: comprises a coiling box (1);
coiling box (1): a coiling cavity (2) is arranged on the right side of the interior of the coiling box (1), a pretreatment cavity (3) communicated with the coiling cavity (2) is arranged on the left side of the interior of the coiling box (1), chucks (4) are rotatably connected to the centers of the front inner wall and the rear inner wall of the coiling cavity (2) through bearings, an output shaft of a motor (5) arranged at the right end of the front side surface of the coiling box (1) is fixedly connected with the chuck (4) at the front side, and a winding roller (6) is arranged between the two chucks (4) through bolts;
wherein: the front side surface of the coiling box (1) is provided with a control switch (7), the input end of the control switch (7) is electrically connected with an external power supply, and the input end of the motor (5) is electrically connected with the output end of the control switch (7).
2. The anti-sticking compound roll equipment for producing the waterproof roll material as claimed in claim 1, wherein: the outer arc surface of the wind-up roll (6) is connected with two limiting plates (8) which are symmetrical front and back in a sliding mode, and tightening rods (9) are connected in screw holes of the outer arc surfaces of the limiting plates (8) in a threaded mode.
3. The anti-sticking compound roll equipment for producing the waterproof roll material as claimed in claim 1, wherein: become the upper surface left end of rolling up case (1) and be equipped with smooth mouthful (10) of fat liquoring that are linked together with preliminary treatment chamber (3), the inside lateral sliding connection of smooth mouthful (10) of fat liquoring has bilateral symmetry's oil storage box (11), the oil filling mouth department of oil storage box (11) upper surface center department all is equipped with notes oil pipe (12), all rotate in the opening of two relative medial surface lower extremes of oil storage box (11) and be connected with fat liquoring roller (13), the back of the body of two oil storage boxes (11) leave the lateral surface respectively with fat liquoring smooth mouthful adjacent inner wall between be equipped with evenly distributed's first spring (14), the plastic film that the upper surface left end of rolling up case (1) was equipped with symmetry around rolls up bracket (15).
4. The anti-sticking compound roll equipment for producing the waterproof roll material as claimed in claim 1, wherein: the inner wall all is equipped with pressfitting spout (16) around preliminary treatment chamber (3), the equal vertical sliding connection in inside of pressfitting spout (16) has movable block (17), rotate between two movable blocks (17) and be connected with compression roller (18), be equipped with second spring (19) between the inside roof of pressfitting spout (16) and the upper surface of movable block (17), the inside right side of preliminary treatment chamber (3) is rotated through the round pin axle and is connected with down compression roller (20), go up compression roller (18) and the vertical correspondence of compression roller (20) down.
5. The anti-sticking compound roll equipment for producing the waterproof roll material as claimed in claim 1, wherein: the lower end of the interior of the pretreatment cavity (3) is rotationally connected with bilaterally symmetrical waterproofing membrane guide rollers (21) through a pin shaft.
6. The anti-sticking compound roll equipment for producing the waterproof roll material as claimed in claim 1, wherein: the upper end in the pretreatment cavity (3) is rotatably connected with a plastic film guide roller (22) through a pin shaft.
7. The anti-sticking compound roll equipment for producing the waterproof roll material as claimed in claim 1, wherein: the bottom surface of the coiling box (1) is provided with a bottom plate (23), and four corners of the bottom plate (23) are symmetrically provided with fixing holes (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121895520.5U CN215438929U (en) | 2021-08-13 | 2021-08-13 | Anti-sticking synthetic roll equipment for producing waterproof roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121895520.5U CN215438929U (en) | 2021-08-13 | 2021-08-13 | Anti-sticking synthetic roll equipment for producing waterproof roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215438929U true CN215438929U (en) | 2022-01-07 |
Family
ID=79693919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121895520.5U Expired - Fee Related CN215438929U (en) | 2021-08-13 | 2021-08-13 | Anti-sticking synthetic roll equipment for producing waterproof roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215438929U (en) |
-
2021
- 2021-08-13 CN CN202121895520.5U patent/CN215438929U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |