CN202919767U - Heat-preserving cup with phase-change material isolating layer - Google Patents
Heat-preserving cup with phase-change material isolating layer Download PDFInfo
- Publication number
- CN202919767U CN202919767U CN 201220625291 CN201220625291U CN202919767U CN 202919767 U CN202919767 U CN 202919767U CN 201220625291 CN201220625291 CN 201220625291 CN 201220625291 U CN201220625291 U CN 201220625291U CN 202919767 U CN202919767 U CN 202919767U
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- China
- Prior art keywords
- cup
- heat
- change material
- phase
- solid
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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
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- 239000000463 material Substances 0.000 title claims abstract description 65
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 5
- 239000012188 paraffin wax Substances 0.000 claims abstract description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 5
- 239000011229 interlayer Substances 0.000 claims description 32
- 239000007790 solid phase Substances 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000615 nonconductor Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009835 boiling Methods 0.000 abstract description 4
- 230000035622 drinking Effects 0.000 abstract description 3
- 235000021271 drinking Nutrition 0.000 abstract description 3
- 230000004634 feeding behavior Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000012071 phase Substances 0.000 description 9
- 241001122767 Theaceae Species 0.000 description 8
- 101700074463 DERL1 Proteins 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000001131 transforming Effects 0.000 description 3
- VXMKYRQZQXVKGB-CWWHNZPOSA-N Tannin Chemical compound O([C@H]1[C@H]([C@@H]2OC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)O[C@H]([C@H]2O)O1)O)C(=O)C1=CC(O)=C(O)C(O)=C1 VXMKYRQZQXVKGB-CWWHNZPOSA-N 0.000 description 2
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N Theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 description 2
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001864 tannin Polymers 0.000 description 2
- 235000018553 tannin Nutrition 0.000 description 2
- 239000001648 tannin Substances 0.000 description 2
- 239000001263 FEMA 3042 Substances 0.000 description 1
- 229940033123 Tannic Acid Drugs 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N Tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229960000278 Theophylline Drugs 0.000 description 1
- 229940088594 Vitamin Drugs 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 239000010692 aromatic oil Substances 0.000 description 1
- 235000019658 bitter taste Nutrition 0.000 description 1
- 229960001948 caffeine Drugs 0.000 description 1
- 230000000271 cardiovascular Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001537 neural Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000050 nutritive Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 150000003700 vitamin C derivatives Chemical class 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 229930003231 vitamins Natural products 0.000 description 1
Images
Abstract
The utility model provides a heat-preserving cup with a phase-change material isolating layer. The heat-preserving cup comprises a cup cover, a cup body and a lifting handle arranged on the upper part of the cup body, wherein the cup body consists of a stainless steel inner shell and a plastic outer shell; the solid-solid phase-change material isolating layer is filled between the stainless steel inner shell and the plastic outer shell; and a solid-solid phase-change material is clamped in the cup cover and is a polyethylene glycol/activated carbon phase-change material or a paraffin/activated carbon phase-change material. The heat-preserving cup is simple in structure, convenient to carry, good in heat-preserving effect and proper in price, the temperature of boiled water in the cup can be automatically adjusted to the temperature range of water which is suitable for drinking and is kept constant, the heat-preserving time of the heat-preserving cup is longer than that of an ordinary heat-preserving and a vacuum cup, and the requirement on health drinking of people is met.
Description
Technical field
The utility model relates to a kind of daily living article, particularly a kind of phase-change material interlayer heat-insulating cup.
Background technology
In China, drinking tea becomes the one way of life custom, and it is of common occurrence to make tea with thermos cup.Although tealeaves is rich in the nutritional labelings such as protein, fat, vitamin and mineral matter, it is a kind of natural health drink, wherein contained Tea Polyphenols, caffeine, tannin, Tea Pigment etc., has again multiple pharmacological effect, but tealeaves is soaked in high-temperature water for a long time, and just as the temperature fire decocted, the materials such as Tea Polyphenols, tannin can leach in a large number, the shade of colour is too deep to make tea, and bitter taste is arranged.The nutriments such as vitamin C will be destroyed when water temperature surpasses 80 ℃, and long-time high temperature immersion can make its loss too much, thereby reduced the health care of tea.Simultaneously, owing to keeping very high water temperature always, the aromatic oil in tea can very fast a large amount of volatilizations, and tannic acid, theophylline ooze out in a large number, have so not only reduced the nutritive value of tealeaves, have reduced tea perfume, and harmful substance is increased.If drink for a long time this tea, will health risk, cause digestion, cardiovascular, neural various diseases to occur.
Thermos cup is in the market following the structure of thermos bottle mostly, namely mostly be vacuum cup, the cup shell mostly is stainless steel, then evacuated glass liner or cup is contained in glass shell and mixes lid, and such thermos cup has the advantages such as manufacturing process maturation, good heat insulating.But, heavier during use, carry inconvenience; And fabrication is many, uses material many, and labor productivity is low, cost is high; And owing to adopting vacuum interlayer to be incubated, cause water temperature to remain on for a long time too high temperature, therefore, the water that is not suitable for brewing tealeaves is incubated.
Summary of the invention
The purpose of this utility model is to provide a kind of phase-change material interlayer heat-insulating cup, and this vacuum cup structure is simple, easy to carry, price suitable, high insulating effect, is particularly suitable for tea is incubated.
For achieving the above object, the utility model has adopted following technical scheme:
The bowl cover that comprises cup and be arranged at the cup upper end, described cup is comprised of inner casing and shell, is provided with the solid-solid phase transition material interlayer between inner casing and shell.
The material of described inner casing adopts the good conductor of heat, and the material of shell adopts the non-conductor of heat.
The material of described inner casing adopts stainless steel, and the material of shell adopts plastics.
Described bowl cover inside is provided with the solid-solid phase transition material interlayer.
Described solid-solid phase transition material interlayer is polyethylene glycol/active carbon phase-change material layers or is paraffin/active carbon phase-change material layers.
The top of described cup is provided with handle.
The beneficial effects of the utility model are: phase-change material interlayer heat-insulating cup described in the utility model need not to make glass liner or the cup of vacuum, but realizing heat insulation effect by being arranged in the cup interlayer solid-solid phase transition material interlayer, simple in structure, easy to carry, high insulating effect, price are suitable; Phase-change material interlayer heat-insulating cup described in the utility model can automatically transfer to boiling water temperature in cup fast potable temperature range and keep constant temperature by the solid-solid phase transition material interlayer, solved the problem that water temperature over-high destroys nutriment in tealeaves and produces harmful substance, not only longer than temperature retention times such as existing thermos cup, vacuum cups, and satisfied the requirement that health of people is drunk water.
Description of drawings
Fig. 1 is structural representation of the present utility model;
In figure: 1 bowl cover, 2 cups, 3 handles, 4 inner casings, 5 shells, 6 solid-solid phase transition material interlayers.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
referring to Fig. 1, the bowl cover 1 that the utility model comprises cup 2 and is arranged at cup 2 upper ends, described cup 2 is comprised of inner casing 4 and shell 5, be provided with solid-solid phase transition material interlayer 6 between inner casing 4 and shell 5, the material of described inner casing 4 adopts the good conductor of heat, the material of shell 5 adopts the non-conductor of heat, the material of described inner casing 4 adopts stainless steel, the material of shell 5 adopts plastics, described bowl cover 1 inside is provided with solid-solid phase transition material interlayer 6, described solid-solid phase transition material interlayer 6 is polyethylene glycol/active carbon phase-change material layers or is paraffin/active carbon phase-change material layers, the top of described cup 2 is provided with handle 3.
Stainless steel is the good conductor of heat, is made as inner casing, the temperature (approximately 60 ℃) that can make glass interior boiling water temperature transfer to fast phase-change material to undergo phase transition.Solid-solid phase transition material interlayer energy storage when undergoing phase transition that the utility model uses, when get away water pour into the cup in the time, due to its temperature higher than phase transition temperature, phase transformation main material in interlayer occurs solid-state to liquid phase-change, absorb simultaneously a large amount of heats and make boiling water temperature fast-descending, until reach the phase transition temperature scope; As time goes on, temperature descends gradually, and beginning is lower than phase transition temperature, and the phase transformation main material is become solid-stately by liquid state, and the water in Heating Cup makes the temperature of water in the cup can keep one long period.Although the solid-solid phase transition material interlayer that the utility model uses when the phase transformation main material undergoes phase transition on microcosmic by the solid-state liquid state (perhaps being become solid-state by liquid state) that becomes, but the suction-operated due to the framework material active carbon, in interlayer, solid-solid phase transition material still keeps solid state shape on macroscopic view, thereby the expansibility and contractibility of material is little.Plastics are hot non-conductor, are made as shell, and are very slow to external world's heat radiation, thereby the heat energy overwhelming majority is transmitted between water in the cup and phase-change material, increase heat insulation effect.
Embodiment
a kind of phase-change material interlayer heat-insulating cup, comprise bowl cover, cup and the handle that is arranged at cup top, cup is comprised of stainless steel inner casing and plastic casing, plastic casing is 1 millimeters thick, be filled with the solid-solid phase transition material interlayer of 4 millimeters thick between stainless steel inner casing and plastic casing, the stainless steel inner casing is 0.5 millimeters thick, and be provided for connecting the screw thread mouth of bowl cover in shell upper, the bowl cover inner clamps is provided with the solid-solid phase transition material interlayer, increase heat insulation effect, the handle of carrying cup can arrange flexibly, be easy to carry, described solid-solid phase transition material is polyethylene glycol/active carbon phase-change material or paraffin/active carbon phase-change material.
Claims (6)
1. phase-change material interlayer heat-insulating cup, it is characterized in that: the bowl cover (1) that comprises cup (2) and be arranged at cup (2) upper end, described cup (2) is comprised of inner casing (4) and shell (5), is provided with solid-solid phase transition material interlayer (6) between inner casing (4) and shell (5).
2. a kind of phase-change material interlayer heat-insulating cup according to claim 1, it is characterized in that: the material of described inner casing (4) adopts the good conductor of heat, and the material of shell (5) adopts the non-conductor of heat.
3. a kind of phase-change material interlayer heat-insulating cup according to claim 1, it is characterized in that: the material of described inner casing (4) adopts stainless steel, and the material of shell (5) adopts plastics.
4. a kind of phase-change material interlayer heat-insulating cup according to claim 1 is characterized in that: described bowl cover (1) inside is provided with solid-solid phase transition material interlayer (6).
5. a kind of phase-change material interlayer heat-insulating cup according to claim 1, it is characterized in that: described solid-solid phase transition material interlayer (6) is for polyethylene glycol/active carbon phase-change material layers or be paraffin/active carbon phase-change material layers.
6. a kind of phase-change material interlayer heat-insulating cup according to claim 1, it is characterized in that: the top of described cup (2) is provided with handle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625291 CN202919767U (en) | 2012-11-22 | 2012-11-22 | Heat-preserving cup with phase-change material isolating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625291 CN202919767U (en) | 2012-11-22 | 2012-11-22 | Heat-preserving cup with phase-change material isolating layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202919767U true CN202919767U (en) | 2013-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220625291 Expired - Fee Related CN202919767U (en) | 2012-11-22 | 2012-11-22 | Heat-preserving cup with phase-change material isolating layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202919767U (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622424A (en) * | 2013-12-13 | 2014-03-12 | 戴社平 | Heat-preserving cup |
| CN104398095A (en) * | 2014-12-15 | 2015-03-11 | 航天特种材料及工艺技术研究所 | Intelligent temperature control efficient heat preservation cup |
| CN104887011A (en) * | 2015-05-29 | 2015-09-09 | 北京宇田相变储能科技有限公司 | Phase transition temperature adjusting system and phase transition temperature adjusting cup |
| EP3001126A1 (en) | 2014-09-25 | 2016-03-30 | Politechnika Gdanska | Isothermal container, particularly for keeping cold beverages |
| CN106618079A (en) * | 2017-02-24 | 2017-05-10 | 董翥 | Dual-purpose cup lid with rapid heating and warm keeping and cup with same |
| US9782036B2 (en) | 2015-02-24 | 2017-10-10 | Ember Technologies, Inc. | Heated or cooled portable drinkware |
| US9801482B1 (en) | 2016-05-12 | 2017-10-31 | Ember Technologies, Inc. | Drinkware and plateware and active temperature control module for same |
| US9814331B2 (en) | 2010-11-02 | 2017-11-14 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware |
| US9863695B2 (en) | 2016-05-02 | 2018-01-09 | Ember Technologies, Inc. | Heated or cooled drinkware |
| US10010213B2 (en) | 2010-11-02 | 2018-07-03 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware and food containers |
| CN109124865A (en) * | 2018-10-09 | 2019-01-04 | 上海暖友实业有限公司 | A kind of constant temperature phase transformation sheet type spontaneous heating body and preparation method thereof |
| US10383476B2 (en) | 2016-09-29 | 2019-08-20 | Ember Technologies, Inc. | Heated or cooled drinkware |
| CN110305634A (en) * | 2019-07-04 | 2019-10-08 | 浙江海洋大学 | A kind of preparation method of carbon ball base composite phase-change material |
| US10433672B2 (en) | 2018-01-31 | 2019-10-08 | Ember Technologies, Inc. | Actively heated or cooled infant bottle system |
| CN110527493A (en) * | 2019-07-04 | 2019-12-03 | 浙江海洋大学 | A kind of preparation method of shaping phase-change material |
| US10670323B2 (en) | 2018-04-19 | 2020-06-02 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US10989466B2 (en) | 2019-01-11 | 2021-04-27 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US11118827B2 (en) | 2019-06-25 | 2021-09-14 | Ember Technologies, Inc. | Portable cooler |
| US11162716B2 (en) | 2019-06-25 | 2021-11-02 | Ember Technologies, Inc. | Portable cooler |
-
2012
- 2012-11-22 CN CN 201220625291 patent/CN202919767U/en not_active Expired - Fee Related
Cited By (36)
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| US9974401B2 (en) | 2010-11-02 | 2018-05-22 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware |
| US10743708B2 (en) | 2010-11-02 | 2020-08-18 | Ember Technologies, Inc. | Portable cooler container with active temperature control |
| US11083332B2 (en) | 2010-11-02 | 2021-08-10 | Ember Technologies, Inc. | Portable cooler container with active temperature control |
| US11089891B2 (en) | 2010-11-02 | 2021-08-17 | Ember Technologies, Inc. | Portable cooler container with active temperature control |
| US10188229B2 (en) | 2010-11-02 | 2019-01-29 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware |
| US9814331B2 (en) | 2010-11-02 | 2017-11-14 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware |
| US10010213B2 (en) | 2010-11-02 | 2018-07-03 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware and food containers |
| CN103622424A (en) * | 2013-12-13 | 2014-03-12 | 戴社平 | Heat-preserving cup |
| EP3001126A1 (en) | 2014-09-25 | 2016-03-30 | Politechnika Gdanska | Isothermal container, particularly for keeping cold beverages |
| CN104398095A (en) * | 2014-12-15 | 2015-03-11 | 航天特种材料及工艺技术研究所 | Intelligent temperature control efficient heat preservation cup |
| US10098498B2 (en) | 2015-02-24 | 2018-10-16 | Ember Technologies, Inc. | Heated or cooled portable drinkware |
| US9782036B2 (en) | 2015-02-24 | 2017-10-10 | Ember Technologies, Inc. | Heated or cooled portable drinkware |
| US10413119B2 (en) | 2015-02-24 | 2019-09-17 | Ember Technologies, Inc. | Heated or cooled portable drinkware |
| CN104887011B (en) * | 2015-05-29 | 2016-09-07 | 北京宇田相变储能科技有限公司 | A kind of phase-changing and temperature-regulating cup |
| CN104887011A (en) * | 2015-05-29 | 2015-09-09 | 北京宇田相变储能科技有限公司 | Phase transition temperature adjusting system and phase transition temperature adjusting cup |
| US10995979B2 (en) | 2016-05-02 | 2021-05-04 | Ember Technologies, Inc. | Heated or cooled drinkware |
| US9863695B2 (en) | 2016-05-02 | 2018-01-09 | Ember Technologies, Inc. | Heated or cooled drinkware |
| US10182674B2 (en) | 2016-05-12 | 2019-01-22 | Ember Technologies, Inc. | Drinkware with active temperature control |
| US9801482B1 (en) | 2016-05-12 | 2017-10-31 | Ember Technologies, Inc. | Drinkware and plateware and active temperature control module for same |
| US10383476B2 (en) | 2016-09-29 | 2019-08-20 | Ember Technologies, Inc. | Heated or cooled drinkware |
| CN106618079A (en) * | 2017-02-24 | 2017-05-10 | 董翥 | Dual-purpose cup lid with rapid heating and warm keeping and cup with same |
| US11517145B2 (en) | 2018-01-31 | 2022-12-06 | Ember Technologies, Inc. | Infant bottle system |
| US11395559B2 (en) | 2018-01-31 | 2022-07-26 | Ember Technologies, Inc. | Infant bottle system |
| US10433672B2 (en) | 2018-01-31 | 2019-10-08 | Ember Technologies, Inc. | Actively heated or cooled infant bottle system |
| US11067327B2 (en) | 2018-04-19 | 2021-07-20 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US10941972B2 (en) | 2018-04-19 | 2021-03-09 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US10852047B2 (en) | 2018-04-19 | 2020-12-01 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US10670323B2 (en) | 2018-04-19 | 2020-06-02 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| CN109124865A (en) * | 2018-10-09 | 2019-01-04 | 上海暖友实业有限公司 | A kind of constant temperature phase transformation sheet type spontaneous heating body and preparation method thereof |
| US10989466B2 (en) | 2019-01-11 | 2021-04-27 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US11118827B2 (en) | 2019-06-25 | 2021-09-14 | Ember Technologies, Inc. | Portable cooler |
| US11162716B2 (en) | 2019-06-25 | 2021-11-02 | Ember Technologies, Inc. | Portable cooler |
| US11365926B2 (en) | 2019-06-25 | 2022-06-21 | Ember Technologies, Inc. | Portable cooler |
| US11466919B2 (en) | 2019-06-25 | 2022-10-11 | Ember Technologies, Inc. | Portable cooler |
| CN110527493A (en) * | 2019-07-04 | 2019-12-03 | 浙江海洋大学 | A kind of preparation method of shaping phase-change material |
| CN110305634A (en) * | 2019-07-04 | 2019-10-08 | 浙江海洋大学 | A kind of preparation method of carbon ball base composite phase-change material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131122 |