CN208080656U - The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming - Google Patents

The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming Download PDF

Info

Publication number
CN208080656U
CN208080656U CN201721681522.8U CN201721681522U CN208080656U CN 208080656 U CN208080656 U CN 208080656U CN 201721681522 U CN201721681522 U CN 201721681522U CN 208080656 U CN208080656 U CN 208080656U
Authority
CN
China
Prior art keywords
vamp
moulding
heating zone
heating
unloading
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
Application number
CN201721681522.8U
Other languages
Chinese (zh)
Inventor
邱田福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201721681522.8U priority Critical patent/CN208080656U/en
Application granted granted Critical
Publication of CN208080656U publication Critical patent/CN208080656U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Confectionery (AREA)

Abstract

The utility model is related to the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming, the moulding mechanism for placing vamp, the mobile mechanism that the moulding mechanism of driving moves between operating space and heating zone and the heating mechanism to vamp heated sealed are equipped with including organic frame, in the rack.It is arranged with heating zone and operating space in the rack, heating mechanism, which is set on heating zone, heats the vamp to be formed in the moulding mechanism in heating zone, the corresponding both sides in heating zone are equipped with operating space, two operating spaces slidably connect moulding mechanism, when the moulding mechanism for completing processing in heating zone is moved to a wherein operating space, the moulding mechanism of another operating space is moved to heating zone.The moulding mechanism includes shoe tree, model capsule and aspiration pump, and the shoe tree is for being set with vamp to be formed, and model cuff is on the vamp being sleeved on outside shoe tree, and by vamp sealed envelope, the aspiration pump is used for extraction model capsule inner air.

Description

The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming
Technical field
The utility model is related to shoe making apparatus fields, and in particular to the shoes of loading and unloading can be carried out while a kind of processing and forming Face stereoscopic moulding device.
Background technology
Existing Instep structure for shoes is generally divided into protheca, rear enclosure, toe-cap, waist, eyelet and flap.These components are usually single It solely makes, is stitched together later, forms complete vamp.And in shoes manufacturing process, generally require to vamp pre-setting, It is connected subsequently to be bonded with footwear material outsole, and existing instep-shaping makes in the presence of sizing is unstable, lines are stiff, so that going out Now bond not tight, even product defects such as cracking, and shape that production process is various, and production efficiency is low, production cost occupy it is high not Under, extreme influence shoemaking production.
Invention content
In view of the deficiencies of the prior art, the utility model provides a kind of vamp stereoscopic moulding device, the vamp stereo shaping While device hot pressing processes vamp, the loading and unloading work of machined vamp and vamp to be processed is carried out.
The utility model adopts the following technical solution:Can be carried out while a kind of processing and forming the vamp solid of loading and unloading at Type device, including organic frame, the mobile mechanism, close to vamp equipped with moulding mechanism, the moulding mechanism movement of driving in the rack The heating mechanism of heating is sealed, the moulding mechanism includes shoe tree, model capsule and aspiration pump, and vamp to be formed is placed on the shoe tree Outside, the vamp being sleeved on outside shoe tree is placed on inside it by the model capsule, and model capsule is by vamp sealed envelope, the aspiration pump Air for the intracapsular portion of extraction model.It is characterized in that:The rack is equipped with heating zone and operating space, heating mechanism setting In on heating zone, and to the vamp in heating zone into heat treatment, the corresponding both sides in the heating zone are equipped with operating space, and two Operating space slidably connects moulding mechanism, when in heating zone complete processing moulding mechanism be moved to a wherein operating space, The moulding mechanism of another operating space is moved to heating zone.
Further, the model capsule is the utricule structure of silica gel membrane material, and the moulding of model capsule is consistent with shoe tree.
Further, the moulding mechanism further includes the connection for having the connecting plate of fixed shoe tree and being open around model capsule Frame, the shoe tree are inverted on connecting plate, and the connection frame is salable to be socketed on the outside of connecting plate.
Further, the connecting plate is equipped with venthole, which is connected to aspiration pump by tracheae.
Further, the mobile mechanism includes fixed plate, mobile cylinder, sliding rail and sliding block, and the sliding rail is fixed on behaviour Make the both sides above area and heating zone, sliding block is slidably connected on sliding rail, and sliding block is fixed on fixed plate two bottom sides, described Mobile cylinder is fixed in rack and is located at fixed plate bottom, and the piston-rod end of mobile cylinder is fixedly connected with fixed plate, institute Connecting plate is stated to be fixed on above fixed plate.
Further, the heating mechanism includes heating plate, oven and lifting cylinder, and the oven is set on heating zone Side drives its lifting by lifting cylinder, and oven is movable to downwards above fixed plate, and is tightly connected with fixed plate.
Further, the heating device further includes having fixed seat, which is equipped with inclined surface, and the inclined surface is in shoe tree Instep it is parallel, and heating plate is distributed on inclined surface.
Further, further include the cooling body having to the vamp cooling after hot briquetting, the cooling body is to be fixed on Wind turbine above operating space.
Further, the moulding mechanism further includes having air source and the internal external mold for hollow-core construction, the external mold to be fastened on In fixed plate, closed cavity is formed with fixed plate, the shoe tree, vamp and model capsule are sealed in the cavity, and air source is used In inputting gas into cavity.
By the above-mentioned description to the utility model structure it is found that compared to the prior art, the utility model has following excellent Point:The utility model rack is equipped with heating zone and operating space, and the corresponding both sides in the heating zone are equipped with operating space, two operations Moulding mechanism is slidably connected in area, when in heating zone complete processing moulding mechanism be moved to a wherein operating space, separately The moulding mechanism of one operating space is moved to heating zone, according to the mode of this circulate operation, that is, remains that there are one moulding mechanisms It is in the mode of operation of hot pressing state in loading and unloading state, a moulding mechanism, heating mechanism can be made to be in processing shape always State saves the time wasted when charging and discharging, can effectively improve working efficiency.Also, moulding mechanism passes through aspiration pump The gas in the intracapsular portion of model is extracted out, so that model capsule is tightened its internal vamp using the pressure of gas bleeding, to make shoes Shoe tree surface is tightly attached in face, forms the three-dimensional moulding consistent with shoe tree mold profile, while being inputted into external mold using air source Gas increases the air pressure inside external mold, to make model capsule be close to vamp surface using this pressure, to further increase vamp Moulding effect;When model capsule is tightly attached to vamp surface, since model capsule sheet is as the elastic material of possibility of reversal, mould can be made Type capsule is when extruding vamp is moulding, in lines gap possessed by model capsule surface undergoes deformation and embedded vamp, thus will not Destroy lines possessed by vamp surface.The vamp produced using utility model device and above-mentioned technique can be produced disposably Molding, saves a large amount of production process, can effectively improve production efficiency, and can not break the original lines in ring vamp surface In the case of produce integral type vamp, that is, include the complete vamp of integral type of bottom part, to enable the utility model Enough produce the vamp of more kinds of different structures.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the internal structure schematic diagram of the utility model.
Fig. 3 is the structural schematic diagram of machine frame inside.
Fig. 4 be Fig. 3 in A to enlarged diagram.
Fig. 5 be Fig. 3 in B to enlarged diagram.
Fig. 6 is the structural schematic diagram of moulding mechanism.
Specific implementation mode
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
With reference to shown in attached drawing 1 to 6, a kind of processing and forming while, can carry out the vamp stereoscopic moulding device of loading and unloading, packet Organic frame 1 is included, the rack 1 is equipped with operating space 11 and heating zone 12, the moulding mechanism for placing vamp 6, drive are equipped in rack 1 Move mobile mechanism that moulding mechanism moves between operating space 11 and heating zone 12, to the heating mechanism of 6 heated sealed of vamp and The cooling body that vamp 6 after hot briquetting is cooled down.Additionally include the control system of control device operation, the control system System can be PLC controller.
With reference to shown in attached drawing 1,2,3 and 6, the moulding mechanism includes to be filled in vamp 6 and made with specific footwear material The shoe tree 31 of type, can by the model capsule 33 of 31 sealed envelope of vamp 6 and shoe tree, the pumping of air inside model capsule 33 can be extracted out Pump, the connecting plate 34 of fixed shoe tree 31 and the connection frame 35 around model capsule opening, meanwhile, further include having air source and inside For the external mold 37 of hollow-core construction, the air source can be any device for providing air source such as air compressor, the external mold 37 It can be framework made of the hard materials such as aluminum.The model capsule 33 is the utricule structure of Silicon moulds material, and moulding is in shoes 31 moulding of last carving is consistent.The shoe tree 31 is inverted on the connecting plate 34, and connection frame 35 is salable to be socketed on 34 outside of connecting plate, Connecting plate 34 is equipped with venthole, which is connected to aspiration pump by tracheae 36.The external mold 37 is fastened on fixed plate 41 On, closed cavity is formed with fixed plate 41, specifically, external mold 37 and the fixed form of fixed plate 41 can be that bolt locks Connection type makes the shoe tree 31, vamp 3 and model capsule 33 be sealed in cavity.41 bottom of fixed plate is equipped with venthole, should Venthole is connected to air source by air inlet pipe 38, is formed to external mold 37 with fixed plate 41 by air inlet pipe 38 using air source closed Gas is inputted in cavity, and the solenoid valve of control air inflow can be set at preferred air inlet pipe 38, wait for filling gas inside external mold 37 After can close solenoid valve, stop gas and enter.In use, vamp 6 is placed on outside shoe tree 31, then model capsule 33 is placed on vamp 6 Outside, and by the connection frame 35 of 33 opening of model capsule correspondence it is placed on outside connecting plate 34, it is preferred that using works such as gripper cylinders Have the frame 35 that is clamped and connected, so that the gap of connection frame 35 and 34 junction of connecting plate is realized closed, to make in entire model capsule 33 Portion forms a closed space.Then it utilizes aspiration pump to extract the gas inside model capsule 33 out by tracheae 36, makes model 33 inside of capsule forms vacuum.During this, since the gas inside model capsule 33 is constantly extracted, cause model capsule 33 by air pressure Control is constantly shunk until being tightly attached to 6 outside of vamp, and further, being tightened by model capsule 33 using this pressure keeps vamp 6 tight It is affixed on 31 surface of shoe tree, to make vamp 6 form the three-dimensional moulding consistent with 31 formation skeleton of shoe tree.Further, air source Gas is inputted in the closed cavity formed to external mold 37 and fixed plate 41, the air pressure inside external mold 37 can be increased, utilize this pressure From the export-oriented 33 application pressure of model capsule of model capsule 33, model capsule 33 is further made to be tightly attached to 6 surface of vamp.
With reference to shown in attached drawing 3 to 5, the mobile mechanism includes fixed plate 41, mobile cylinder 44, sliding rail 42 and sliding block 43.The sliding rail 42 is fixed on the both sides of 12 top of operating space 11 and heating zone, and above-mentioned connecting plate 34 is fixed in fixed plate 41 Side, the sliding block 43 is slidably connected on sliding rail 42, and sliding block 43 is fixed on 41 two bottom sides of fixed plate.The fixed plate 41 Interior to be filled with thermal insulation material, the mobile cylinder 44 is fixed in rack 1 and is located at 41 bottom of fixed plate, the work of mobile cylinder 44 441 end of stopper rod is fixedly connected with fixed plate 41, and fixed fixed form can be that the piston rod 441 of cylinder passes through such as attached drawing 4 Shown in connecting plate 45 be fixedly connected with 41 bottom of fixed plate.When work, driven by the piston rod telescopic moving of mobile cylinder 44 Fixed plate 41 is moved horizontally along 42 direction of sliding rail.
With reference to shown in attached drawing 1 to 3, the heating mechanism includes heating plate 24, the fixed seat 23 of fixed heating plate 24, use In the cylinder 21 that the oven 22 and driving oven 22 that form confined space move up and down.22 interior of the oven is filled with guarantor Adiabator is uniformly pasted with heating plate 24 on the inside of oven 22, and oven 22 is set to 12 top of heating zone, lifting cylinder 21 Rack 1 is fixed in the top of heating zone 12, when fixed plate 41 is moved to heating zone 12, oven 22 is movable to downwards fixation 41 top of plate, and be tightly connected with fixed plate 41.The fixed seat 23 is fixed on heating zone 12, which is equipped with and shoe tree Heating plate 24 is distributed on the inclined surface in parallel inclined surface at 31 instep, this structure makes the heating surface of heating plate 24 correspond to At the instep of vamp 6, so as to keep vamp 6 heated more abundant and right simultaneously by the heating plate 24 inside oven 22 Other positions of vamp 6 are heated, and the efficiency of the hot pressing of vamp 6 to be formed is can further improve.
With reference to shown in attached drawing 1, the cooling body is the wind turbine 51 for 11 top of operating space for being fixed on rack 1, by wind turbine 51 directly dry to the vamp 6 after hot-forming, and heat is dispelled, and realize cooling;Or can also be by similar air conditioner refrigerating Cold air after cooling system is blown to using wind turbine 51 at vamp 6, and cooling time is further speeded up.
The specific workflow of the utility model is:First, vamp 6 is placed at an operating space 11 wherein moulding herein On the shoe tree 31 of mechanism, then model capsule 33 is placed on outside vamp 6, while by 33 bottom of model capsule connection frame 35 and 31 bottom of shoe tree Connecting plate 34 be tightly connected, while by external mold 37 be fastened in fixed plate 41, make model capsule 33 be in external mold 37 with consolidate In the closed cavity that fixed board 41 is formed;Second, it will be inside the model capsule 33 of this moulding mechanism using the aspiration pump in 1 bottom of rack Air extraction, so that model capsule 33 is constantly shunk by pressure control until being tightly attached to the outside of vamp 6, to pass through 33 beam of model capsule Tightly vamp 6 is made to be tightly attached to 31 surface of shoe tree, and then vamp 6 is made to form the three-dimensional contouring consistent with 31 formation skeleton of shoe tree, simultaneously Gas is inputted to the cavity inside of external mold 37 using air source, increases the air pressure inside external mold 37, outside by model capsule 33 Apply pressure to model capsule 33, so that model capsule is close to 6 surface of vamp, to further increase the moulding effect of vamp 6;Third, profit The vamp 6 for being tightly attached to shoe tree 31 is delivered to below the oven 22 on heating zone 12 with control system control mobile mechanism;4th, It drives oven 22 to drop to 41 top of fixed plate using control system control lifting cylinder 21, vamp 6 is made to be in the formation of oven 22 Confined space in, meanwhile, control system controls heating plate 24 and works, and causing the heat that heating plate 24 generates, to improve this rapidly close The temperature for the space interior closed, it is moulding to the comprehensive heating for being tightly attached to 360 ° of the progress of vamp 6 on shoe tree 31;5th, While umbrella cloth and the 4th step carry out, vamp 6 to be formed can be positioned over another operating space according to the first step and second step operation It is carried out in 11 moulding mechanism moulding;6th, in hot-zone 12 to be added the vamp 6 of moulding mechanism heat it is moulding after the completion of, lifting air Cylinder 21 lifts oven 22, and mobile mechanism drives the moulding mechanism to be moved back to operating space 11, at the same time, on another operating space 11 Moulding mechanism is moved under the driving of another mobile mechanism below heating zone 12;7th, it is heated using cooling body 5 to removing Vamp 6 in the moulding mechanism in area 12 carries out cooling treatment, and heating mechanism pair be moved to simultaneously moulding mechanism below into Row heating is moulding;8th, since 33 internal gas of model capsule is fully drawn out before, it is still within vacuum at this time in model capsule 33 Therefore state can close aspiration pump, then connection frame 35 is detached with connecting plate 34, admit air into model capsule 33 at this time, from And make to lose vacuum state in model capsule 33 and be no longer tightly attached on vamp 6;9th, after model capsule 33 is taken out, then by vamp 6 It takes out, you can obtain a molding stereo shoe-vamp 6;Finally, it returns to the first step and second mode of operation starts, it will be to be formed Vamp be positioned in this moulding mechanism carry out it is moulding.According to the affected mode of above-mentioned cycle, that is, remain that there are one shaping machines Structure is in loading and unloading state, a moulding mechanism is in the mode of operation of hot pressing state, and heating mechanism can be made to be in processing always State saves the time wasted when charging and discharging, can greatly save process time, improves working efficiency.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, All non-essential modifications to the present invention made by this concept should all belong to the row for invading scope of protection of the utility model For.

Claims (9)

1. the vamp stereoscopic moulding device of loading and unloading, including organic frame can be carried out while a kind of processing and forming, in the rack Equipped with moulding mechanism, the mobile mechanism of the moulding mechanism movement of driving, to the heating mechanism of vamp heated sealed, the moulding mechanism Include shoe tree, model capsule and aspiration pump, vamp to be formed is placed on outside the shoe tree, the shoes that the model capsule will be sleeved on outside shoe tree Surface cover portion in the inner, and model capsule, by vamp sealed envelope, the aspiration pump is used for the air in the intracapsular portion of extraction model, special Sign is:The rack is equipped with heating zone and operating space, and heating mechanism is set on heating zone, and to the shoes in heating zone Face is equipped with operating space into heat treatment, the both sides of the heating zone, and two operating spaces slidably connect moulding mechanism, when in The moulding mechanism that processing is completed in heating zone is moved to a wherein operating space, and the moulding mechanism of another operating space is moved to heating zone.
2. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 1, It is characterized in that:The model capsule is the utricule structure of silica gel membrane material, and the moulding of model capsule is consistent with shoe tree.
3. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 1, It is characterized in that:The moulding mechanism further includes the connection frame for having the connecting plate of fixed shoe tree and being open around model capsule, described Shoe tree is inverted on connecting plate, and the connection frame is salable to be socketed on the outside of connecting plate.
4. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 3, It is characterized in that:The connecting plate is equipped with venthole, which is connected to aspiration pump by tracheae.
5. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 3, It is characterized in that:The mobile mechanism includes fixed plate, mobile cylinder, sliding rail and sliding block, the sliding rail be fixed on operating space and Both sides above heating zone, sliding block are slidably connected on sliding rail, and sliding block is fixed on fixed plate two bottom sides, the mobile gas Cylinder is fixed in rack and is located at fixed plate bottom, and the piston-rod end of mobile cylinder is fixedly connected with fixed plate, the connection Plate is fixed on above fixed plate.
6. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 5, It is characterized in that:The heating mechanism includes heating plate, oven and lifting cylinder, and the oven is set to above heating zone, by Lifting cylinder drives its lifting, and oven is movable to downwards above fixed plate, and is tightly connected with fixed plate.
7. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 6, It is characterized in that:The heating device further includes having fixed seat, which is equipped with inclined surface, and the inclined surface is in the instep of shoe tree It is parallel, and heating plate is distributed on inclined surface.
8. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 1, It is characterized in that:Further include the cooling body having to the vamp cooling after hot briquetting, the cooling body is to be fixed on operating space The wind turbine of top.
9. the vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming according to claim 1, It is characterized in that:The moulding mechanism further includes having air source and the internal external mold for hollow-core construction, the external mold to be fastened on fixed plate On, closed cavity is formed with fixed plate, the shoe tree, vamp and model capsule are sealed in the cavity, and air source is used for sky Intracavitary inputs gas.
CN201721681522.8U 2017-12-06 2017-12-06 The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming Expired - Fee Related CN208080656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721681522.8U CN208080656U (en) 2017-12-06 2017-12-06 The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721681522.8U CN208080656U (en) 2017-12-06 2017-12-06 The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming

Publications (1)

Publication Number Publication Date
CN208080656U true CN208080656U (en) 2018-11-13

Family

ID=64068254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721681522.8U Expired - Fee Related CN208080656U (en) 2017-12-06 2017-12-06 The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming

Country Status (1)

Country Link
CN (1) CN208080656U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111493436A (en) * 2020-05-21 2020-08-07 东莞市汇齐新材料有限公司 Automatic activation and lamination integrated machine for waterproof film
DE102022132418A1 (en) 2022-12-06 2024-06-06 Zhong Qiang Yi Technology Co., Ltd. Process for manufacturing shoe uppers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111493436A (en) * 2020-05-21 2020-08-07 东莞市汇齐新材料有限公司 Automatic activation and lamination integrated machine for waterproof film
DE102022132418A1 (en) 2022-12-06 2024-06-06 Zhong Qiang Yi Technology Co., Ltd. Process for manufacturing shoe uppers

Similar Documents

Publication Publication Date Title
CN208080656U (en) The vamp stereoscopic moulding device of loading and unloading can be carried out while a kind of processing and forming
CN208080655U (en) A kind of vamp stereoscopic moulding device
CN104999656A (en) Rubber shoe sole forming machine
CN205728409U (en) A kind of efficient machine for shaping shoe upper
CN107716689B (en) Positive drawing-under a kind of plate inflation back pressure effect is backwards to the compound superplastic forming device of bulging and its method
CN206344448U (en) A kind of sectional die manufactured for inner container of icebox
CN205757597U (en) One adds sizing shoemaking system at the bottom of heat seal by aluminum last
CN208514845U (en) A kind of cooling device of EVA post forming machine
CN116619653A (en) High-stability tire curing bladder production device and production method thereof
CN207617095U (en) A kind of blow moulding machine
CN211861971U (en) 3D seamless freezing and shaping adsorption machine
CN207240694U (en) A kind of footwear shell mold tool
CN203805337U (en) Structure-improved secondary MD (Phylon) shoe sole oil press
CN2787032Y (en) Heat setting machine
CN206165976U (en) Cold heat -setting machine of full -automatic shoemaking
CN208247438U (en) A kind of plastic packing box molding die
CN209775590U (en) Carbon fiber vacuum bag pressing forming die
CN207870431U (en) Automatic steaming and setting machine for vamp
CN209395285U (en) A kind of novel die device
CN209052896U (en) Double-station electric-heating steam socks shoe shaping machine
CN204687227U (en) The injection molding automatic clamping fixture of nanometer
CN203709385U (en) Wholly-wrapping lamination device for soles and vamps
CN202241722U (en) Overhead vacuum vulcanizing and setting machine
CN103653549A (en) All-cover sole and vamp pressing device
CN208263471U (en) A kind of three-dimensional compound one-shaper of 3D material

Legal Events

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: 20181113

Termination date: 20201206

CF01 Termination of patent right due to non-payment of annual fee