CN2617559Y - Microwave hot press shaper - Google Patents
Microwave hot press shaper Download PDFInfo
- Publication number
- CN2617559Y CN2617559Y CN 03234450 CN03234450U CN2617559Y CN 2617559 Y CN2617559 Y CN 2617559Y CN 03234450 CN03234450 CN 03234450 CN 03234450 U CN03234450 U CN 03234450U CN 2617559 Y CN2617559 Y CN 2617559Y
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- counterdie
- heating equipment
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Abstract
The utility model discloses a microwave hot compacting machine, which combines the microwave heating technology with traditional pressing, and comprises a pressing device, a microwave heating device, an upper mould, a lower mould and a stripper apparatus, wherein, the microwave heating device can be arranged inside the upper mould, or on the lower mould bottom or inside the upper mould and on lower mould bottom at the same time. The microwave can act on the material through feeding orifice on mould bottom and microwave transparent window, the material can generate heat based on the dielectric loss in the action of microwave, thus the material can be solidified and formed in the pressing and microwave heating at the same time. The utility model has the advantages of generating heat even inside and outside of the material with fast speed, high thermal efficiency and multifunction of forming, solidification and drying.
Description
Affiliated technical field
The utility model belongs to the electric mechanical technical field, and it is particularly related to adopts microwave energy to the material moulding technology that is heating and curing.
Background technology
Traditional heat pressing forming machines is formed (as shown in Figure 1) by pressue device and heater.In traditional heat pressing forming machines, pressue device adopts liquid (oil) press usually, and it is by device for exerting 1, goes up compositions such as punching block 3, counterdie 5, cavity 6 (at this moment, pack into oil constitute oily thermic devices), automatic demoulding mechanism 7, frame 8 in cavity 6; Heater generally is at the inner chamber of last punching block 3 and the cavity 6 that the is arranged in counterdie 5 bottoms oil of packing into, these are used to add the oil of thermal material by outer thermal source heating such as heating wire, deep fat adds thermal material through modes such as overheated conduction, thermal convection current, heat radiations, makes that material heats under pressure state, curing molding.Its course of work is the material of packing in the material cavity of counterdie 5 (this material cavity is a groove shapes), when patrix 3 is pressed to material in the counterdie 5, deep fat in patrix 3, the cavity 6 adds thermal material through modes such as overheated conduction, thermal convection current, heat radiations, makes that material heats under pressure state, curing molding.
The shortcoming that traditional heat pressing forming machines exists is: its heater is for low materials of pyroconductivity such as wood fibre, pottery, thermosetting (moulding) plastics, the appearance temperature of material is higher than internal temperature, the normal appearance " cold " center " phenomenon; heat conduction time is longer; material is heated inhomogeneous; for thicker material, this phenomenon is especially obvious; Very unfavorable for the curing of the thermosetting resin at material center; And the thermal efficiency of outer thermal source such as oil, vapour, heating wire is not high, and energy consumption is big, and the time is long, and productive rate is low.
Summary of the invention
The purpose of this utility model provides a kind of device that can implement to pressurize continuously and utilize heating using microwave rapid shaping, curing, oven dry wood fibre, pottery, plastics, paper products etc., it has and is heated evenly, solidify synchronously characteristics such as the superior in quality and energy consumption of shaping workpiece is low, the time is short, productive rate is high, Pesticidal and sterilizing.
The utility model is achieved in that it is to be combined by conventional press device 1 and microwave heating equipment 2, as shown in Figure 2.The conventional press device is made up of device for exerting 1, patrix 3, counterdie 5, frame 8, microwave heating equipment 2 is made up of microwave power source, microwave transmission system and microwave control system, this heater 2 can be arranged in patrix 3 inner chambers, at this moment, open microwaves corresponding energy regenerative mouth 12 at patrix 3 inner chamber base plates towards the direction of material; Also can be arranged in the bottom cavity 6 of counterdie 5, at this moment, open microwaves corresponding energy regenerative mouth 12 towards the direction of material on the steel plate between the bottom of counterdie 5 and the cavity 6; Perhaps simultaneously in patrix 3 inner chambers and cavity 6 microwave heating equipment 2 is set, from both direction up and down the material counterdie 5 material cavities is carried out carry out microwave radiation heating simultaneously, this mode is particularly suitable for the thicker situation of material.
If material thickness is at thickness below 150 millimeters, then heater 2 can be arranged in patrix 3 inner chambers, still can adopt the traditional oils thermic devices in the bottom cavity 6 of counterdie 5.Perhaps heater 2 is arranged in the bottom cavity 6 of counterdie 5 and still adopts the traditional oils thermic devices in patrix 3 inner chamber.
If material thickness is at thickness more than 150 millimeters, then cavity 6 can oily thermic devices and change microwave heating equipment in this position, simultaneously by upper die and lower die feed-in microwave energy, promptly in the counterdie bottom microwave heating equipment 2 is installed also.
As shown in Figure 2, marginal position at the base plate of patrix 3 is provided with door switch 9, microwave choke groove 10 and wire netting sealing ring 11, door switch 9 is connected and can be opened microwave power when patrix 3 and counterdie 5 mold closings, and microwave choke groove 10 and wire netting sealing ring 11 can be prevented the microwave leakage when patrix 3 and counterdie 5 mold closings.
Need to prove be arranged in patrix 3 inner chambers and the bottom cavity 6 of counterdie 5 in microwave heating equipment 2 because the bottom cavity 6 of patrix 3 inner chambers and counterdie 5 is cavitys (except the microwave energy-feeding mouth) of metal sealing, the problem that does not exist microwave to reveal.
In addition, microwave energy-feeding mouth 12 of the present utility model can adopt waveguide mouth energy regenerative (as shown in Figure 4), also can adopt the slotted eye energy regenerative of slotted waveguide, can also adopt antenna energy regenerative mode.
In Fig. 2, the lower end of device for exerting 1 connects patrix 3, microwave heating equipment 2 is arranged in punching block 3 inner chambers, on the base plate of patrix 3, open corresponding energy regenerative mouth 12, be lined with the microwave window 4 that glass, pottery, the plastic or other material of certain thickness high-intensity low-dielectric loss are made in energy regenerative mouth 12 outsides, this microwave window can allow this window of microwave penetrating enter material on the one hand and make the material heating, can prevent again that on the other hand material from entering the energy regenerative mouth under the situation of pressurized.Equally, when microwave heating equipment 2 is arranged in the bottom cavity 6 of counterdie 5, on the microwave energy-feeding mouth of the bottom of counterdie 5, also to serve as a contrast the microwave window that glass, pottery, the plastic or other material of certain thickness high-intensity low-dielectric loss are made; Be provided with counterdie 5 under patrix 3, material is packed in the counterdie 5 groove material cavities, is provided with automatic demoulding mechanism 7 below the counterdie 5.
Essence of the present utility model: use the mode of passing through the oil heating in the alternative traditional heat pressing forming machines of microwave heating.
The course of work of the present utility model: the microwave heating equipment 2 in the utility model be arranged in patrix 3 inner chambers and/or counterdie 5 bottom cavity 6 in, each microwave heating equipment 2 is made up of a plurality of magnetrons, excitation cavity, waveguide, circulator, pin tuner, water load etc., also can only be made up of magnetron, excitation cavity and waveguide.A plurality of magnetrons are by the unified control of an electrical power control cabinet.Microwave frequency is 300～3000MHz, and conventional frequency is 915MHz and 2450MHz, microwave by energy regenerative mouth 12 on the die bottom plate and certain thickness high-intensity low-dielectric loss microwave window 4 such as glass, pottery, plastics act on material.A certain amount of powdery, granular or fibrous composite wooden material, pottery, thermosetting (moulding) plastic mould pressing material are put into the material cavity of counterdie 5, mold closing pressurization then, in the compression molding process, the input microwave energy, under the microwave energy effect, nonmetal medium materials such as Wood fiber composite material, pottery, thermosetting (moulding) plastics, paper products absorb microwave, self dielectric loss heating, its thermosetting resin cured moulding.The product of curing molding is ejected finished product by automatic demoulding mechanism and to transport in pressure relief with after closing microwave.The microwave leakage of this equipment meets national standard.
Accompanying drawing and description of drawings:
Fig. 1 is a traditional hot pressing machine generalized section
Wherein: 1 device for exerting, 3 patrixes, 5 counterdies, 6 cavitys (at this moment, the oil of packing in cavity 6 constitutes oily thermic devices), 7 automatic demoulding mechanisms, 8 frames;
Fig. 2 is the oily thermal profile schematic diagram in patrix microwave energy-feeding counterdie of the present utility model bottom
Wherein: 1 device for exerting; 2 microwave heating equipments; 3 patrixes (at this moment, in patrix 3 inner chambers, microwave heating equipment 2 being set), 4 microwave windows; 5 counterdies; 6 cavitys (at this moment, the oil of packing in cavity 6 constitutes oily thermic devices), 7 automatic demoulding mechanisms; 8 frames, 9 door switch, 10 microwave choke grooves, 11 wire netting sealing rings.Microwave heating equipment 2 is made up of a plurality of magnetrons, excitation cavity, waveguide, circulator, pin tuner, water load etc., also can only be made up of magnetron, excitation cavity and waveguide.A plurality of magnetrons are by the unified control of an electrical power control cabinet.
Fig. 3 is provided with the schematic diagram of microwave heating equipment simultaneously for upper die and lower die of the present utility model;
Wherein: 1 device for exerting; 2 microwave heating equipments; 3 patrixes (at this moment, in patrix 3 inner chambers, microwave heating equipment 2 being set), 4 microwave output windows; 5 counterdies; 6 cavitys (at this moment, microwave heating equipment 2 being set in cavity 6), 7 automatic demoulding mechanisms; 8 frames, 9 door switch, 10 microwave choke grooves, 11 wire netting sealing rings.Microwave heating equipment 2 is made up of magnetron, excitation cavity, waveguide, circulator, pin tuner, water load etc., also can only be made up of magnetron, excitation cavity and waveguide.A plurality of magnetrons are by the unified control of an electrical power control cabinet.
Fig. 4 be the utility model patrix 3 base plates and (or) waveguide energy regenerative mouth schematic diagram on cavity 6 top boards
Wherein: 12 is the energy regenerative mouth, and it is shaped as rectangle, and adjacent energy regenerative mouth adopts orthogonal arrangement.
The utility model is a kind of microwave hot press shaper, belongs to solid phase wood fibre, pottery, thermosetting (moulding) Plastic or other material liquid (gas) is pressed the improvement of thermoforming machine. This invention is with advanced person's microwave heating technique and traditional pressure Machine combines, and is applicable to Wood fiber composite material, pottery, thermosetting (moulding) plastics, the paper of different-thickness The multiple nonmetal medium material such as goods hot-forming. This installs by frame, mould, and hydraulic pressure, electrical system, Heating using microwave and composition of the control system. Frame comprises column, entablature, sill and pull bar. Install on the frame Mould, microwave energy-feeding mouth 12 are positioned at the top board of baffle plate and/or counterdie 5 bottom cavity 6, energy regenerative mouth 12 The microwave window of being close to high-intensity glass, pottery, plastic or other material making outward guarantees that microwave is from the energy regenerative mouth Penetrate microwave window and enter material, to heating material, and under pressure, material can not enter the energy regenerative mouth. Lower Mould is provided with automatic demoulding mechanism. This make-up machine is fit in enormous quantities manufacturing wood fibre, pottery, thermosetting (moulding) and moulds Sheet material and square stock under 600 millimeters thickness of medium material such as material, paper products. The utility model integrated-type, Solidify, dry in a machine, have compact conformation, floor space is little, and energy consumption is low, the advantage that production cost is low.
Under the microwave energy effect, Wood fiber composite material, pottery, thermosetting (moulding) plastics, paper products etc. Nonmetal medium material absorbing microwave, the heating of self dielectric loss, heating process is inside and outsidely to carry out simultaneously, because of And reduced significantly the heat conducting time, can avoid in the traditional heating mode " cold " center " phenomenon is little Under the wave energy effect, material molecule generation Action of Superhigh Frequency Vibration has not only produced heat, impels temperature to raise, and Increased the mutual collision of material, the carrying out of having strengthened curing reaction, heating using microwave speed is fast, thereby produces Rate improves greatly, and because material center and appearance heat simultaneously, thereby is heated evenly, and solidifies synchronously, becomes Type workpiece superior in quality, simultaneously because microwave has the effect of Pesticidal and sterilizing, thereby through the type of microwave treatment Material is lignocellulosic material particularly, no longer is subjected to the erosion of inner disease and pest in the later stage use procedure.
In sum, the advantage of this device or good effect are:
1. dielectric material absorbing microwave, self dielectric loss heating, heating process is inside and outsidely to carry out simultaneously,
Thereby reduced significantly the heat conducting time, can avoid in the traditional heating mode " cold " center " is existing
Resemble.
2. because inside and outside consistent heating, thereby material is heated evenly, and solidifies synchronously the Functionality, quality and appealing design of shaping workpiece
Very. For thicker material, this advantage is especially obvious.
3. because microwave has the effect of Pesticidal and sterilizing, thereby through the section bar of microwave treatment wooden fibre particularly
The dimension material no longer is subjected to the erosion of inner disease and pest in the later stage use procedure.
4. the generation of microwave energy and close almost noninertia is easy to control, and is safe and reliable. Can realize automation
Produce continuously.
5. energy-efficient: microwave energy converts the efficient of heat energy to, is generally 80%～90%, and is little in addition
Ripple is extremely short heat time heating time, and the closure of microwave power, to the permeability of material be converted into heat
Instantaneity has constituted the energy-conservation basic characteristics of heating using microwave, and heating using microwave has reduced conventional method heat and passed
Lead the time of process, i.e. equally distributed time of temperature, thereby significantly reduced heat loss to environment,
Thereby cut down the consumption of energy, energy-conservation reaching about 5 0%, thereby have considerable economic.
Embodiment one: the utility model adopts the oily heat structure in patrix microwave energy-feeding counterdie bottom
If Wood fiber composite material thickness is thickness below 150 millimeters, area can evenly be provided with 50 1kW/2450MHz magnetrons by orthogonal arrangement in last punching block 3 inner chambers about 6 square metres, and its microwave control section is by the unified control of an electrical power control cabinet.In the bottom cavity 6 of counterdie 5, still can adopt the traditional oils thermic devices.Microwave by energy regenerative mouth 12 on last punching block 3 base plates and certain thickness high-intensity low-dielectric loss the microwave window 4 made of quartz glass (perhaps polytetrafluoroethylene plastic plate), act on the material in the counterdie 5, material absorbs microwave, thereby self dielectric loss heating reaches evenly, the effect of Fast Heating and curing.And the traditional oils thermic devices in the bottom cavity 6 of counterdie 5 is delivered to material counterdie 5 material cavities by heat conduction with heat from the bottom of counterdie 5, makes the material heating, solidifies.
Perhaps microwave heating equipment 2 is arranged on and still adopts the traditional oils thermic devices in the bottom cavity 6 of counterdie 5 in patrix 3 inner chamber, and promptly the top of material is by the heat conduction heating of traditional oils thermic devices, and carry out microwave radiation heating is passed through in the bottom of material.
Embodiment two: the utility model adopts upper die and lower die that the microwave heating equipment structure is set simultaneously
If material thickness is at thickness below 600 millimeters more than 150 millimeters, area is about 6 square metres, can be in last punching block 3 inner chambers and in the bottom cavity 6 at counterdie 5, by orthogonal arrangement 50 1kW/2450MHz magnetrons are set evenly respectively, its microwave control section is by the unified control of an electrical power control cabinet.Microwave by energy regenerative mouth 12 on the top board of energy regenerative mouth 12 on last punching block 3 base plates and counterdie 5 bottom cavity 6 and certain thickness high-intensity low-dielectric loss the microwave window 4 made of quartz glass (perhaps polytetrafluoroethylene plastic plate), act on the material in the counterdie 5 up and down simultaneously, material absorbs microwave, thereby self dielectric loss heating reaches evenly, the effect of Fast Heating and curing.
Claims (6)
1, a kind of microwave hot-press make-up machine, it comprises the conventional press device, the conventional press device is made up of device for exerting 1, patrix 3, counterdie 5, cavity 6, automatic demoulding mechanism 7, frame 8, it is characterized in that it also comprises microwave heating equipment 2, microwave heating equipment 2 is made up of microwave power source, microwave transmission system and microwave control system, this microwave heating equipment 2 can be arranged in patrix 3 inner chambers, at this moment, opens microwaves corresponding energy regenerative mouth 12 at patrix 3 inner chamber base plates towards the direction of material; Can be arranged in the bottom cavity 6 of counterdie 5, at this moment, open microwaves corresponding energy regenerative mouth 12 towards the direction of material on the steel plate between the bottom of counterdie 5 and the cavity 6; It can also simultaneously be provided with microwave heating equipment 2 in patrix 3 inner chambers and cavity 6, from both direction up and down the material counterdie 5 material cavities is carried out carry out microwave radiation heating simultaneously.
2, a kind of microwave hot-press make-up machine according to claim 1, it is characterized in that described microwave heating equipment 2 is when material thickness during at thickness below 150 millimeters, microwave heating equipment 2 can be arranged in patrix 3 inner chambers, adopt the traditional oils thermic devices in the bottom cavity 6 of counterdie 5, microwave heating equipment 2 also can be arranged on and adopt the traditional oils thermic devices in the bottom cavity 6 of counterdie 5 in patrix 3 inner chambers; When material thickness more than 150 millimeters during thickness, microwave heating equipment 2 is separately positioned in the bottom cavity 6 of patrix 3 inner chambers and counterdie 5, simultaneously by upper and lower both direction to material feed-in microwave energy.
3, a kind of microwave hot-press make-up machine according to claim 1 and 2, it is characterized in that being provided with door switch 9, microwave choke groove 10 and wire netting sealing ring 11 at the marginal position of the base plate of described microwave hot-press make-up machine patrix 3, door switch 9 is connected and can be opened microwave power source work when patrix 3 and counterdie 5 matched moulds, and microwave choke groove 10 and wire netting sealing ring 11 can be prevented the microwave leakage when patrix 3 counterdies 5 matched moulds.
4, a kind of microwave hot-press make-up machine according to claim 1 and 2, it is characterized in that described microwave heating equipment 2 is arranged in patrix 3 inner chambers, on the base plate of patrix 3, open corresponding energy regenerative mouth 12, be lined with the microwave window 4 that glass, pottery, the plastic or other material of certain thickness high-intensity low-dielectric loss are made in energy regenerative mouth 12 outsides, these materials can be quartz glass, polytetrafluoroethylene plastic plate; Equally, when microwave heating equipment 2 is arranged in the bottom cavity 6 of counterdie 5, also will serve as a contrast the microwave window 4 that glass, pottery, the plastic or other material of certain thickness high-intensity low-dielectric loss are made on the bottom of counterdie 5 microwave energy-feeding mouth 12, these materials can be quartz glass, polytetrafluoroethylene plastic plate.
5, a kind of microwave hot-press make-up machine according to claim 1 and 2 is characterized in that described microwave energy-feeding mouth 12 can adopt waveguide mouth energy regenerative, also can adopt the slotted eye energy regenerative of slotted waveguide, can also adopt antenna energy regenerative mode.
6, a kind of microwave hot-press make-up machine according to claim 1, the frequency that it is characterized in that described microwave power source is for being 300～3000MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234450 CN2617559Y (en) | 2003-05-19 | 2003-05-19 | Microwave hot press shaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234450 CN2617559Y (en) | 2003-05-19 | 2003-05-19 | Microwave hot press shaper |
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| CN2617559Y true CN2617559Y (en) | 2004-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03234450 Expired - Fee Related CN2617559Y (en) | 2003-05-19 | 2003-05-19 | Microwave hot press shaper |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531057A (en) * | 2008-03-13 | 2009-09-16 | 克朗斯股份有限公司 | Apparatus for heating containers |
| WO2010076170A3 (en) * | 2008-12-30 | 2010-08-19 | Basf Se | Microwave-assisted setting of shaped ceramic/foam bodies |
| CN102158795A (en) * | 2011-04-02 | 2011-08-17 | 无锡杰夫电声有限公司 | Method for accelerating agglutination and curing of loudspeaker cone corrugated rim and loudspeaker bracket by hot-pressing forming machine |
| CN103660272A (en) * | 2013-12-02 | 2014-03-26 | 天津市天塑滨海氟塑料制品有限公司 | Machine tool for producing broad-width polytetrafluoroethylene porous plate, and its manufacturing method |
| CN103737693A (en) * | 2013-12-27 | 2014-04-23 | 重庆星星套装门（集团）有限责任公司 | Melamine door manufacturing process |
| CN104400955A (en) * | 2014-12-07 | 2015-03-11 | 青岛科技大学 | Rubber microwave vulcanizing and molding device |
| CN104589671A (en) * | 2014-12-17 | 2015-05-06 | 南京航空航天大学 | Microwave-hydro-forming method and device of composite material |
| CN105216088A (en) * | 2015-09-01 | 2016-01-06 | 华中科技大学 | A kind of preparation method of inorganic binder wood-based plate and device |
| CN106313526A (en) * | 2016-09-13 | 2017-01-11 | 重庆理工大学 | Plastic and metal integrated hot press forming device and method |
| US11007681B2 (en) | 2018-09-24 | 2021-05-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Microwave applicator with pressurizer for planar material heating |
| CN114181240A (en) * | 2021-12-28 | 2022-03-15 | 山东海科创新研究院有限公司 | Preparation method of lithium bis (oxalato) borate |
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2003
- 2003-05-19 CN CN 03234450 patent/CN2617559Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965858A (en) * | 2008-03-13 | 2016-09-28 | 克朗斯股份有限公司 | Apparatus for heating containers |
| CN101531057A (en) * | 2008-03-13 | 2009-09-16 | 克朗斯股份有限公司 | Apparatus for heating containers |
| CN105965858B (en) * | 2008-03-13 | 2019-10-25 | 克朗斯股份有限公司 | Equipment for heating container |
| WO2010076170A3 (en) * | 2008-12-30 | 2010-08-19 | Basf Se | Microwave-assisted setting of shaped ceramic/foam bodies |
| CN102341446A (en) * | 2008-12-30 | 2012-02-01 | 巴斯夫欧洲公司 | Microwave-assisted setting of shaped ceramic/foam bodies |
| CN102158795A (en) * | 2011-04-02 | 2011-08-17 | 无锡杰夫电声有限公司 | Method for accelerating agglutination and curing of loudspeaker cone corrugated rim and loudspeaker bracket by hot-pressing forming machine |
| CN102158795B (en) * | 2011-04-02 | 2013-07-17 | 无锡杰夫电声有限公司 | Method for accelerating agglutination and curing of loudspeaker cone corrugated rim and loudspeaker bracket by hot-pressing forming machine |
| CN103660272A (en) * | 2013-12-02 | 2014-03-26 | 天津市天塑滨海氟塑料制品有限公司 | Machine tool for producing broad-width polytetrafluoroethylene porous plate, and its manufacturing method |
| CN103660272B (en) * | 2013-12-02 | 2015-08-26 | 天津市天塑滨海氟塑料制品有限公司 | For the production of lathe and the manufacture method thereof of wide cut polytetrafluoroethylstephanoporate stephanoporate plate |
| CN103737693A (en) * | 2013-12-27 | 2014-04-23 | 重庆星星套装门（集团）有限责任公司 | Melamine door manufacturing process |
| CN104400955A (en) * | 2014-12-07 | 2015-03-11 | 青岛科技大学 | Rubber microwave vulcanizing and molding device |
| CN104589671A (en) * | 2014-12-17 | 2015-05-06 | 南京航空航天大学 | Microwave-hydro-forming method and device of composite material |
| CN105216088A (en) * | 2015-09-01 | 2016-01-06 | 华中科技大学 | A kind of preparation method of inorganic binder wood-based plate and device |
| CN106313526A (en) * | 2016-09-13 | 2017-01-11 | 重庆理工大学 | Plastic and metal integrated hot press forming device and method |
| CN106313526B (en) * | 2016-09-13 | 2018-07-27 | 重庆理工大学 | A kind of plastic-metal integration heat pressing forming device and method |
| US11007681B2 (en) | 2018-09-24 | 2021-05-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Microwave applicator with pressurizer for planar material heating |
| CN114181240A (en) * | 2021-12-28 | 2022-03-15 | 山东海科创新研究院有限公司 | Preparation method of lithium bis (oxalato) borate |
| CN114181240B (en) * | 2021-12-28 | 2023-09-22 | 山东海科创新研究院有限公司 | Preparation method of lithium bis (oxalato) borate |
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| C14 | Grant of patent or utility model | ||
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |