CN214931387U - Environment-friendly heat-insulation cup - Google Patents
Environment-friendly heat-insulation cup Download PDFInfo
- Publication number
- CN214931387U CN214931387U CN202121084264.1U CN202121084264U CN214931387U CN 214931387 U CN214931387 U CN 214931387U CN 202121084264 U CN202121084264 U CN 202121084264U CN 214931387 U CN214931387 U CN 214931387U
- Authority
- CN
- China
- Prior art keywords
- cup
- waterproof inner
- cover plate
- connecting strip
- heat preservation
- Prior art date
- 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
- 238000009413 insulation Methods 0.000 title claims description 19
- 238000004321 preservation Methods 0.000 claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 235000012171 hot beverage Nutrition 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 235000020965 cold beverage Nutrition 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses an environment-friendly vacuum cup, which comprises a cup cover and a cup body, wherein the cup body comprises a waterproof inner cup, a heat preservation layer and an outer layer, the heat preservation layer is in a cylindrical shape, the upper end of the heat preservation layer is provided with an upper end opening, the waterproof inner cup is provided with a cup mouth and a cup bottom, the waterproof inner cup is embedded in the heat preservation layer, the cup mouth of the waterproof inner cup extends out of the upper end opening of the heat preservation layer, and the outer layer wraps the peripheral wall of the outer side of the heat preservation layer; the outer upper end side is followed the circumference of heat preservation is provided with the outer easy brace that tears, and outer being located the part of outer easy brace top is outer upper portion, and outer being located the part of outer easy brace below that tears is outer lower part, outer upper portion with cup bonding in waterproof is fixed, outer lower part with the heat preservation bonding is fixed. The cup body from inside to outside is provided with three-layer environmental protection material, and the heat preservation effect is good, and the cup still can be disassembled fast in heat preservation and waterproof, does benefit to the categorised recovery of rubbish, is green's disposable thermos cup.
Description
Technical Field
The utility model relates to a cup especially relates to an environmental protection thermos cup.
Background
The common disposable paper cups on the market are generally divided into cold drink cups and hot drink cups, wherein the cold drink cups are made of environment-friendly food-grade wood pulp paper and food-grade PE films, and the structure can effectively prevent the wood pulp paper from losing the original stiffness and toughness of the wood pulp paper due to moisture contact; the hot drinking cup is made of environment-friendly PE laminating paper and is mainly used for containing hot drinks such as hot coffee, hot milk tea and the like. However, the cold drink cup or the hot drink cup has weak heat preservation performance, and particularly in winter, hot drinks can be cooled down quickly due to low outdoor temperature. Therefore, it is necessary to develop a cup with heat retaining property.
Disclosure of Invention
An object of the utility model is to provide an environmental protection thermos cup.
Realize the utility model discloses the technical scheme of purpose is: the utility model provides an environmental protection thermos cup, its bowl cover and cup body that includes mutual lock, the cup body includes cup in waterproof, heat preservation and skin, the heat preservation is the tube-shape, the upper end of heat preservation is provided with the upper end opening, cup has rim of a cup and bottom of a cup in waterproof, cup inlays in waterproof locates in the heat preservation, cup in waterproof the rim of a cup stretches out the upper end opening of heat preservation, outer package in on the outside perisporium of heat preservation, outer upper end side is followed the circumference of heat preservation is provided with outer easy tear strip, outer being located the part that the strip top was easily torn to the skin is outer upper portion, outer being located the part that the strip below was easily torn to the skin is outer lower part, outer upper portion with cup in waterproof bonds fixedly, outer lower part with the heat preservation bonds fixedly.
Furthermore, the edge of the cup opening is bent downwards along the circumferential direction of the cup opening to form a curled portion, the lower end portion of the curled portion is not in contact with the outer side peripheral wall of the waterproof inner cup, the waterproof inner cup is embedded and fixed in the heat insulation layer, and the edge of the upper end opening of the heat insulation layer is embedded into a gap between the curled portion and the outer side peripheral wall of the waterproof inner cup.
Furthermore, a lower end opening is formed in the lower end of the heat insulation layer, an annular cup bottom supporting seat is arranged on the circumferential wall of the inner side of the lower end opening of the heat insulation layer, a bottom plate is arranged on the upper surface of the cup bottom supporting seat, and the cup bottom of the waterproof inner cup is attached to the bottom plate.
Further, the outer layer is in a circular truncated cone shape with a large upper part and a small lower part. Make each cup body easily superpose and place, save the storage space.
The cup cover comprises a first cover plate, a first cover plate seat and a waterproof inner cover, wherein the first cover plate, the first cover plate seat and the waterproof inner cover are sequentially arranged from top to bottom, the first cover plate seat is in a cylindrical shape with openings at two ends, the first cover plate covers an upper end opening of the first cover plate seat and is fixedly bonded with the upper end opening of the first cover plate seat, the waterproof inner cover is in a cylindrical shape with an opening at only one end, and the opening of the waterproof inner cover faces upwards and abuts against the edge of a lower end opening of the first cover plate seat; the waterproof inner cup is characterized in that a first connecting strip is wrapped on the outer sides of the first cover plate seat and the waterproof inner cup, a first connecting strip easy-to-tear strip is arranged on the first connecting strip along the circumferential direction of the waterproof inner cup, the part, located above the first connecting strip easy-to-tear strip, of the first connecting strip is the upper portion of the first connecting strip, the part, located below the first connecting strip easy-to-tear strip, of the first connecting strip is the lower portion of the first connecting strip, the upper portion of the first connecting strip is fixedly bonded with the first cover plate seat, the lower portion of the first connecting strip is fixedly bonded with the waterproof inner cup, and the waterproof inner cup is fixedly fastened with the cup body.
Furthermore, an annular second cover plate seat is installed on the inner side of the first cover plate seat, the second cover plate seat is fixedly bonded with the inner peripheral wall of the first cover plate seat, the lower end portion of the second cover plate seat protrudes out of the lower end opening of the first cover plate seat, and the lower end portion of the second cover plate seat is embedded and fixed in the waterproof inner cover.
Furthermore, the bottom of the waterproof inner cover extends downwards and inwards along the circumferential direction of the bottom to form a boss, and the boss is embedded and fixed in the cup opening of the waterproof inner cup.
Further, a second cover plate is installed between the upper end opening of the second cover plate seat and the first cover plate seat, and the second cover plate covers the upper end opening of the second cover plate seat and is fixedly bonded with the upper end opening of the second cover plate seat.
Further, the middle part of first apron is provided with easily tears and draws the pull ring, the through-hole has been seted up at the second apron middle part, the middle part of waterproof inner cup is used for right the thickness of waterproof inner cup carries out the cross indent of attenuate, the center that easily tears and draws pull ring, through-hole and cross indent is on same straight line.
Furthermore, a second connecting strip is arranged on the outer side of the waterproof inner cover between the cup mouth of the waterproof inner cup in a wrapping mode, a second connecting strip easy-to-tear strip is arranged on the second connecting strip along the circumferential direction of the waterproof inner cup, the part, located above the second connecting strip easy-to-tear strip, of the second connecting strip is the upper portion of the second connecting strip, the part, located below the second connecting strip easy-to-tear strip, of the second connecting strip is the lower portion of the second connecting strip, the upper portion of the second connecting strip is fixedly bonded with the waterproof inner cover, and the lower portion of the second connecting strip is fixedly bonded with the waterproof inner cup.
The utility model discloses the thermos cup of realization, its cup body from interior to exterior is provided with three-layer environmental protection material, and the heat preservation effect is good to cup is fixed with the skin respectively in heat preservation and the waterproof, has realized disassembling fast of cup in heat preservation and the waterproof, and the material of cup is different in heat preservation and the waterproof, does benefit to the categorised recovery of rubbish, is green's disposable thermos cup.
Drawings
FIG. 1 is an exploded view of a cup body according to an embodiment of the present invention;
FIG. 2 is an exploded view of the cup cover according to the embodiment of the present invention
FIG. 3 is a schematic view of a three-dimensional structure of the environment-friendly vacuum cup according to the embodiment of the present invention;
fig. 4 is a schematic sectional view taken along the line a-a in fig. 3.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1 to 4, an environment-friendly vacuum cup comprises a cup body 1 and a cup cover 2 which are mutually buckled, the cup body 1 comprises a waterproof inner cup 11, a heat-insulating layer 12 and an outer layer 13, wherein the heat-insulating layer 12 is in a circular truncated cone shape with openings at two ends, an annular cup bottom supporting seat 14 is arranged on the inner side peripheral wall of the lower end opening of the heat preservation layer 12, the upper surface of the cup bottom supporting seat 14 is provided with a bottom plate 15, the waterproof inner cup 11 is provided with a cup mouth 111 and a cup bottom 112, the rim of the cup opening 111 is bent downwards along the circumferential direction of the cup opening to form a curled portion 113, the lower end 1131 of the curling part 113 is not contacted with the outer peripheral wall 114 of the waterproof inner cup 11, the waterproof inner cup 11 is embedded in the heat insulation layer 12, the edge of the upper end opening 121 of the insulating layer 12 is embedded into the gap between the curling part 113 and the outer side peripheral wall 114 of the waterproof inner cup 11, and the cup bottom 112 of the waterproof inner cup 11 is attached to the bottom plate 15; the outer layer 13 is wrapped on the outer side peripheral wall of the heat insulation layer 12, an outer layer easy-to-tear strip 131 is arranged on the upper end side of the outer layer 13 along the circumferential direction of the heat insulation layer 12, the part of the outer layer 13 above the outer layer easy-to-tear strip is an upper part 132 of the outer layer, the part of the outer layer 13 below the outer layer easy-to-tear strip 131 is a lower part 133 of the outer layer, the upper part 132 of the outer layer is fixedly bonded with the curled portion 113 of the waterproof inner cup, and the lower part 133 of the outer layer is fixedly bonded with the heat insulation layer 12.
The cup cover 2 comprises a first cover plate 21, a second cover plate 22, a first cover plate seat 23, a second cover plate seat 24, a first connecting strip 25 and a waterproof inner cover 26 which are sequentially arranged from top to bottom; the first cover plate seat 23 and the second cover plate seat 24 are annular, the second cover plate seat 24 is mounted on the inner side of the first cover plate seat 23 and is fixedly bonded with the inner peripheral wall of the first cover plate seat 23, the second cover plate 22 is located in the first cover plate seat 23, the second cover plate 22 covers the upper end opening of the second cover plate seat 24 and is fixedly bonded with the upper end opening of the second cover plate seat 24, and the first cover plate 21 covers the upper end opening of the first cover plate seat 23 and is fixedly bonded with the upper end opening of the first cover plate seat 23; the waterproof inner cover 26 is cylindrical with an opening at only one end, a boss 262 extends downwards and inwards from the bottom 261 of the waterproof inner cover 26 along the circumferential direction of the bottom, the opening of the waterproof inner cover 26 faces upwards and is abutted against the edge of the lower end opening of the first cover plate seat 23, the lower end part of the second cover plate seat 24 protrudes out of the lower end opening of the first cover plate seat 23, the lower end part of the second cover plate seat 24 is embedded and fixed in the waterproof inner cover 26, and the boss 262 of the waterproof inner cover 26 is embedded and fixed in the cup opening 111 of the waterproof inner cup 11; a first connecting strip easy-tearing strip 251 is arranged on the first connecting strip 25 along the circumferential direction of the waterproof inner cover, the part of the first connecting strip 25 above the first connecting strip easy-tearing strip 251 is an upper part 252 of the first connecting strip, the part of the first connecting strip 25 below the first connecting strip easy-tearing strip 251 is a lower part 253 of the first connecting strip, the upper part 252 of the first connecting strip is fixedly bonded with the first cover plate seat 23, and the lower part 253 of the first connecting strip is fixedly bonded with the waterproof inner cover 26.
Further, a second connecting strip 27 is wrapped on the outer side between the waterproof inner cover 26 and the curled portion 113 of the waterproof inner cup, a second connecting strip easy-to-tear strip 271 is arranged on the second connecting strip 27 along the circumferential direction of the waterproof inner cup, the part of the second connecting strip 27 above the second connecting strip easy-to-tear strip 271 is an upper part 272 of the second connecting strip, the part of the second connecting strip 27 below the second connecting strip easy-to-tear strip 271 is a lower part 273 of the second connecting strip, the upper part of the second connecting strip 272 is fixedly bonded with the waterproof inner cover 26, and the lower part 273 of the second connecting strip is fixedly bonded with the curled portion 113 of the waterproof inner cup.
Further, the middle part of first apron 21 is provided with easily tears pull-ring 211, through-hole 221 has been seted up at the middle part of second apron 22, waterproof inner cup 26's middle part has the cross indent 263 that is used for carrying out the attenuate to waterproof inner cup 26's thickness, easily tear pull-ring 211, through-hole 221 and the center of cross indent 263 on same straight line.
This embodiment cup in waterproof inner cup and waterproof is formed by the aluminum product punching press, and the heat preservation is made by the individual layer or the multilayer corrugated paper of certain thickness, and other parts all adopt food level wood pulp paper processing to form.
The assembly method of the environment-friendly vacuum cup comprises the following steps:
1. assembling a cup cover: first apron seat and second apron seat assemble into an organic whole earlier after, with the second apron embedding in the first apron seat and the second apron is fixed with the second apron seat again, then with first apron fixed with first apron seat, after that with second apron seat embedding waterproof inner cup in, at last with first connecting strip around establish with first apron seat and waterproof inner cup between and fixed with first apron seat and waterproof inner cup respectively.
2. Assembling a cup body: the cup bottom supporting seat is firstly embedded into the inner side of the lower end opening of the heat insulation layer and is fixedly bonded, then the bottom plate is embedded into the heat insulation layer and is fixedly bonded with the cup bottom supporting seat, the waterproof inner cup is embedded into the heat insulation layer, finally the outer layer is wrapped on the peripheral wall of the outer side of the heat insulation layer, and the outer layer easy-tear strip are respectively fixedly bonded with the heat insulation layer and the waterproof inner cup.
3. The waterproof inner cover is embedded into the opening of the waterproof inner cup.
4. And the second connecting strip is wrapped on the outer sides of the waterproof inner cover and the waterproof inner cup, and is respectively bonded and fixed with the waterproof inner cover and the waterproof inner cup by taking the second easy-tearing strip as a boundary.
Disassemble during the environmental protection thermos cup, tear the second earlier and easily tear the brace and make waterproof inner cup and waterproof interior cup separation, realize the separation of bowl cover and cup body from this, tear first connecting strip and easily tear the brace and can further separate waterproof inner cup and first apron seat, tear the outer brace that easily tears and can further separate outer and waterproof interior cup, realize that each part of thermos cup is retrieved according to the different classification of material from this.
The waterproof inner cup and the waterproof inner cover can be formed by punching aluminum materials, and the aluminum materials can be easily broken by using environment-friendly bamboo straws or glass straws; the lower end of the heat-insulating layer can be sealed, but the assembly difficulty is increased; the edge structure of the cup rim of the waterproof inner cup is not limited to the structure shown in the embodiment, the outer layer can be respectively bonded and fixed with the waterproof inner cup and the heat-insulating layer as long as the cup rim of the waterproof inner cup extends out of the upper end opening of the heat-insulating layer, and the stability of the fixing structure of the waterproof inner cup and the heat-insulating layer can be improved by additionally arranging the edge curling part; the boss at the bottom of the waterproof inner cover is arranged as required, and the downward and inward structure ensures that the boss has a certain inclination angle, thereby being beneficial to being embedded and sealed with the waterproof inner cup; the cup cover structure is not limited to the embodiment, the heat insulation performance of the cup cover is further improved, and the heat insulation performance of the bottom of the cup body is improved by the bottom plate and the bottom plate supporting seat; the structure of the waterproof cup cover is not limited to that shown in the embodiment, and the waterproof cup cover is matched with the circular truncated cone-shaped cup body, so that the fixing structure of the cup cover and the waterproof inner cup is stable, and the circular truncated cone-shaped cup body enables the cup bodies to be easily stacked and placed, so that the accommodating space is saved; the easy-tearing pull ring, the through hole and the cross-shaped dent are arranged as required, and the combination of the easy-tearing pull ring, the through hole and the cross-shaped dent is convenient for breaking the cup cover by using a straw; the second connecting strip realizes the fixation of the cup cover and the cup body, has good sealing performance and is easy to disassemble and assemble.
The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides an environmental protection thermos cup, its bowl cover and cup body that includes mutual lock, its characterized in that: the cup body comprises a waterproof inner cup, a heat preservation layer and an outer layer, the heat preservation layer is cylindrical, an upper end opening is formed in the upper end of the heat preservation layer, the waterproof inner cup is provided with a cup opening and a cup bottom, the waterproof inner cup is embedded in the heat preservation layer, the cup opening of the waterproof inner cup extends out of the upper end opening of the heat preservation layer, the outer layer wraps the peripheral wall of the outer side of the heat preservation layer, an outer layer easy-tearing strip is arranged on the side of the upper end of the outer layer along the circumferential direction of the heat preservation layer, the part, located above the outer layer easy-tearing strip, of the outer layer is the upper part of the outer layer, the part, located below the outer layer easy-tearing strip, of the outer layer is the lower part of the outer layer, the upper part of the outer layer is fixedly bonded with the waterproof inner cup, and the lower part of the outer layer is fixedly bonded with the heat preservation layer.
2. The environment-friendly thermos cup of claim 1, which is characterized in that: the outer edge of the cup opening is bent downwards along the circumferential direction of the cup opening to form a curled portion, the lower end portion of the curled portion is not in contact with the outer circumferential wall of the waterproof inner cup, the waterproof inner cup is embedded and fixed in the heat insulation layer, and the edge of the upper end opening of the heat insulation layer is embedded into a gap between the curled portion and the outer circumferential wall of the waterproof inner cup.
3. The environment-friendly thermos cup of claim 1, which is characterized in that: the lower end of the heat preservation layer is provided with a lower end opening, an annular cup bottom supporting seat is arranged on the circumferential wall of the inner side of the lower end opening of the heat preservation layer, a bottom plate is arranged on the upper surface of the cup bottom supporting seat, and the cup bottom of the waterproof inner cup is attached to the bottom plate.
4. The environment-friendly thermos cup of claim 1, which is characterized in that: the outer layer is in a circular truncated cone shape with a large upper part and a small lower part.
5. The environmentally friendly thermos cup according to any one of claims 1 to 4, wherein: the cup cover comprises a first cover plate, a first cover plate seat and a waterproof inner cover, wherein the first cover plate seat and the waterproof inner cover are sequentially arranged from top to bottom, the first cover plate seat is in a cylindrical shape with openings at two ends, the first cover plate covers an upper end opening of the first cover plate seat and is fixedly bonded with the upper end opening of the first cover plate seat, the waterproof inner cover is in a cylindrical shape with only one end being opened, and an opening of the waterproof inner cover faces upwards and is abutted against the edge of a lower end opening of the first cover plate seat; the waterproof inner cup is characterized in that a first connecting strip is wrapped on the outer sides of the first cover plate seat and the waterproof inner cup, a first connecting strip easy-to-tear strip is arranged on the first connecting strip along the circumferential direction of the waterproof inner cup, the part, located above the first connecting strip easy-to-tear strip, of the first connecting strip is the upper portion of the first connecting strip, the part, located below the first connecting strip easy-to-tear strip, of the first connecting strip is the lower portion of the first connecting strip, the upper portion of the first connecting strip is fixedly bonded with the first cover plate seat, the lower portion of the first connecting strip is fixedly bonded with the waterproof inner cup, and the waterproof inner cup is fixedly fastened with the cup body.
6. The environment-friendly thermos cup of claim 5, which is characterized in that: the waterproof inner cover is characterized in that an annular second cover plate seat is installed on the inner side of the first cover plate seat, the second cover plate seat is fixedly bonded with the inner peripheral wall of the first cover plate seat, the lower end portion of the second cover plate seat protrudes out of the lower end opening of the first cover plate seat, and the lower end portion of the second cover plate seat is embedded and fixed in the waterproof inner cover.
7. The environment-friendly thermos cup of claim 6, which is characterized in that: the bottom of the waterproof inner cover extends downwards and inwards to form a boss along the circumferential direction of the bottom, and the boss is embedded and fixed in the cup opening of the waterproof inner cup.
8. The environment-friendly thermos cup of claim 6, which is characterized in that: and a second cover plate is arranged between the upper end opening of the second cover plate seat and the first cover plate seat, and the second cover plate covers the upper end opening of the second cover plate seat and is fixedly bonded with the upper end opening of the second cover plate seat.
9. The environment-friendly thermos cup of claim 8, which is characterized in that: the middle part of first apron is provided with easily tears and draws the pull ring, the through-hole has been seted up at the second apron middle part, the middle part of waterproof inner cup be used for right the thickness of waterproof inner cup carries out the cross indent of attenuate, the center that easily tears pull ring, through-hole and cross indent is on same straight line.
10. The environment-friendly thermos cup of claim 5, which is characterized in that: the waterproof inner cup with outside between the rim of a cup of cup in waterproof wraps is provided with the second connecting strip, follow on the second connecting strip the circumference of cup in waterproof is provided with the second connecting strip and easily tears the brace, be located of second connecting strip the part that the brace top was easily torn to the second connecting strip is the upper portion of second connecting strip, be located of second connecting strip the part that the brace below was easily torn to the second connecting strip is the lower part of second connecting strip, the upper portion of second connecting strip with waterproof inner cup bonding is fixed, the lower part of second connecting strip with cup bonding is fixed in waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121084264.1U CN214931387U (en) | 2021-05-20 | 2021-05-20 | Environment-friendly heat-insulation cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121084264.1U CN214931387U (en) | 2021-05-20 | 2021-05-20 | Environment-friendly heat-insulation cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214931387U true CN214931387U (en) | 2021-11-30 |
Family
ID=79061775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121084264.1U Expired - Fee Related CN214931387U (en) | 2021-05-20 | 2021-05-20 | Environment-friendly heat-insulation cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214931387U (en) |
-
2021
- 2021-05-20 CN CN202121084264.1U patent/CN214931387U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |