CN205688032U - A kind of safety device and anode scrap trailer - Google Patents

A kind of safety device and anode scrap trailer Download PDF

Info

Publication number
CN205688032U
CN205688032U CN201620622821.3U CN201620622821U CN205688032U CN 205688032 U CN205688032 U CN 205688032U CN 201620622821 U CN201620622821 U CN 201620622821U CN 205688032 U CN205688032 U CN 205688032U
Authority
CN
China
Prior art keywords
plate
top board
door
safety device
support frame
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.)
Active
Application number
CN201620622821.3U
Other languages
Chinese (zh)
Inventor
覃界铭
刘传辉
龚学德
王献合
龙可尧
滕严徵
黄任峰
韦少武
廖超林
黄贵成
卢定勇
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.)
GUANGXI BAISE YINHAI ALUMINUM CO Ltd
Original Assignee
GUANGXI BAISE YINHAI ALUMINUM CO Ltd
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 GUANGXI BAISE YINHAI ALUMINUM CO Ltd filed Critical GUANGXI BAISE YINHAI ALUMINUM CO Ltd
Priority to CN201620622821.3U priority Critical patent/CN205688032U/en
Application granted granted Critical
Publication of CN205688032U publication Critical patent/CN205688032U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

This utility model provides a kind of safety device and anode scrap trailer, including bracing frame, top board, fixed plate, side plate and door-plate;Support frame as described above includes many crossbeams and vertical beam;Described top board includes that the first top board and the second top board, described first top board and described second top board are arranged on support frame as described above top, is provided with, between described first top board and described second top board, the passage that anode rod can be made to pass in and out;Before and after support frame as described above, two ends are respectively arranged with fixed plate and door-plate;Described side plate is arranged on support frame as described above with described door-plate is mobilizable.What this utility model brought have the beneficial effect that solves the safe and environment-friendly problem brought during transporting anode scraps present in prior art.

Description

A kind of safety device and anode scrap trailer
Technical field
This utility model relates to field of mechanical technique, especially relates to a kind of safety device and anode scrap trailer.
Background technology
Modern Aluminium Industry produces and uses cryolite-alumina molten salt electrolysis.Molten cryolitic is solvent, aluminium oxide As solute, using carbon body as anode, aluminum liquid is as negative electrode, after being passed through powerful unidirectional current, at 950 DEG C-970 DEG C, It is electrochemically reacted on the two poles of the earth in electrolysis bath, was both electrolysed.Chemical reaction is mainly carried out by this equation: 2Al2O3+ 3C= =4Al+3CO2.Anode: 2O+C-4eˉ=CO2↑ negative electrode: Al3++3eˉ=Al.Anodic product is mainly carbon dioxide and an oxidation Carbon gas, wherein contains the harmful gass such as a certain amount of fluohydric acid gas and solid dust.Need to be to sun for protection environment and human health Pole gas carries out purified treatment, enters air after removing harmful gas and dust.Cathode product is aluminum liquid, and aluminum liquid is lifted by vacuum Bag in groove extract out, be sent to foundry, in holding furnace after purified clarification, be cast into aluminium ingot or be directly processed into line base, Section bar etc..
Anode carbon block group is made up of anode rod, aluminum/steel explosion block, beam steel claw, the phosphorus pig iron and anode carbon block, each several part Voltage drop amount to there are about 350mV.
Anode scrap refers to be consumed these remaining carbon block of taking-up.Within the use cycle of anode carbon block, along with anode by by Fade consumption, and anode mechanism drives anode carbon block to decline, the pole span stable to ensure electrolysis bath.After using certain time, carbon block Become the thinnest (about l3~18cm), for preventing anode steel claw by electrolyte melting, it is ensured that electrolysis bath normally produces, kept anode Normal condition, need to swap out time-expired thin anode scrap, new anode be installed.Anode scrap amount is usually anode carbon block amount 15%~25%.
After aluminum electrolysis cell anode replacement, the transport of the anode scrap switching out relates to safety and environmental protection field, is having bad luck anode scrap mistake Cheng Zhong, anode rod has the phenomenon that falls of breaking, and there is severe compromise, and the particle on car can be scattered on the ground at ordinary times, institute The section dust from flying of process, brings impact to surrounding health.
Utility model content
The purpose of this utility model is to provide a kind of safety device, to solve anode scrap fortune present in prior art The safe and environment-friendly problem brought during defeated.
A kind of safety device that this utility model provides, including bracing frame, top board, fixed plate, side plate and door-plate;
Support frame as described above includes many crossbeams and vertical beam;
Described top board includes that the first top board and the second top board, described first top board and described second top board are arranged on described Support top, is provided with, between described first top board and described second top board, the passage that anode rod can be made to pass in and out;
Before and after support frame as described above, two ends are respectively arranged with fixed plate and door-plate;
Described side plate is arranged on support frame as described above with described door-plate is mobilizable.
Further, described door-plate is hinged on support frame as described above.
Further, described door-plate is that clamshell doors is arranged, and is additionally provided with the first latch on described door-plate.
Further, described side plate is at least provided with two.
Further, described side plate is hinged on support frame as described above, and described side plate is arranged for opening the door;
Or, described side plate top is rotated around support frame as described above by gemel connection, described side plate with support frame as described above.
Further, described side plate is that clamshell doors is arranged, and described side plate is provided with the second latch.
Further, described top board is 30 degree of-60 degree with the angle of horizontal plane.
Further, described fixed plate is welded on support frame as described above.
This utility model also provides for a kind of anode scrap trailer using described safety device, also includes platform trailer car Body;
Described platform trailer car body includes gripper shoe, steering structure and wheel;
Described safety device is arranged in described gripper shoe;
Described steering structure is arranged between described gripper shoe and described wheel.
Further, described steering structure includes steering control mechanism, steering gear and steering gear;
Described steering gear one end is connected with described steering control mechanism, and the other end is connected with described steering gear Connect.
The beneficial effects of the utility model are:
A kind of safety device that this utility model provides, the first top board and the second top board leave passage, can facilitate Anode rod passes in and out, it is also possible to avoiding during transport anode scrap, anode rod breaks and hurts sb.'s feelings or cause device damage.Bracing frame It is provided with top board, fixed plate, side plate and door-plate, forms the space of a relative closure, particle in transportation can be avoided to dissipate Fall on road surface, produce the phenomenon of dust from flying, it is also possible to avoid wind to cause dust from flying in being blown into preventer, the most also may be used Impact surrounding health brought with minimizing.Side plate is arranged on support frame as described above with door-plate is mobilizable, can facilitate The particle being scattered on trailer is cleared up.Meanwhile, the safety device that this utility model provides also has simple in construction, The advantage of strong operability.
This utility model also provides for a kind of anode scrap trailer, and the safety device that this utility model provides is installed to flat board On trailer, being both avoided that during having bad luck anode scrap, aluminum guide breaks and falls to hurting sb.'s feelings or cause device damage, can avoid particle simultaneously It is scattered on road surface, it is also possible to avoid wind in being blown into preventer, to cause the situation of dust from flying to produce, reduces surrounding The impact that health is brought.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the safety device described in this utility model embodiment;
Fig. 2 is the structural representation of the support frame as described above of the safety device described in Fig. 1;
Fig. 3 is the schematic diagram of the safety device gemel connection described in this utility model embodiment;
The structural representation of the anode scrap trailer described in Fig. 4 this utility model embodiment;
Fig. 5 is the rearview of the anode scrap trailer described in Fig. 4.
Reference:
1-bracing frame;11-crossbeam;
12-vertical beam;2-top board;
21-the first top board;22-the second top board;
3-fixed plate;4-side plate;
41-articulated elements;42-hinge;
5-door-plate;51-the first latch;
52-the second latch;6-platform trailer car body;
61-gripper shoe;62-steering structure;
63-wheel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.
Fig. 1 is the structural representation of the safety device described in this utility model embodiment;Fig. 2 is the peace described in Fig. 1 The structural representation of the support frame as described above of full protection device;Fig. 3 is that the safety device described in this utility model embodiment closes The schematic diagram that page connects.
As Figure 1-3, the safety device that this utility model provides, including bracing frame 1, top board 2, fixed plate 3, side Plate 4 and door-plate 5, top board 2, fixed plate 3, side plate 4 and door-plate 5 form the space of a relative closure, are possible to prevent transportation Middle particle is scattered on road surface, produces the phenomenon of dust from flying, can reduce the impact bringing surrounding health simultaneously.
Bracing frame 1 includes that many crossbeams 11 and vertical beam 12, many crossbeams 11 and vertical beam 12 form a skeleton, support whole Safety device.Top board 2 includes that the first top board 21 and the second top board 22, the first top board 21 and the second top board 22 are arranged on support Frame 1 top, is provided with, between the first top board 21 and the second top board 22, the passage that anode rod can be made to pass in and out, anode can be facilitated to lead Bar passes in and out, it is also possible to avoiding during transport anode scrap, anode rod breaks and hurts sb.'s feelings or cause the situation of device damage.Bracing frame Before and after 1, two ends are respectively arranged with fixed plate 3 and door-plate 5;Side plate 4 is arranged on bracing frame 1 with door-plate 5 is mobilizable, permissible Conveniently particle is cleared up.
Anode rod, can change steel column easily, can carry out repair welding when steel column is with steel pawl matrix weld cracking simultaneously Or again weld.Saving the material of blast welding block, the heating degree simultaneously making blast welding block when welding operation is more relatively small. Anode rod includes the aluminum guide that steel column, steel pawl matrix are connected by blast welding block with steel pawl matrix.
As it is shown in figure 1, door-plate 5 can be hinged on bracing frame 1 by articulated elements 41, side plate 4 can pass through articulated elements 41 Being hinged on bracing frame 1, when opening and closing door-plate 5 or side plate 4, door-plate 5 or side plate 4 can rotate around bracing frame 1.
During use, side plate 4 is shut, plug the second latch 52, door-plate 5 is opened, with overhead traveling crane by anode scrap from trailer afterbody Lifting enters, and then shuts door-plate 5, plugs the first latch 51.Arrive after delivery locations, door-plate 5 opened, overhead traveling crane by anode scrap from Trailer afterbody hangs out, and during cleaning anode scrap trailer particle, is opened by side plate 4, then the particle cleaning dropped on anode scrap trailer Totally, again door-plate 5 and side plate 4 are shut after having cleared up, plug the first latch 51 and the second latch 52.
As it is shown on figure 3, side plate 4 can also be connected on bracing frame 1 by hinge 42, side plate 4 can be around bracing frame 1 turn Dynamic.Hinge 42 has another name called hinge, and formal name is hinge.Often composition two foldings are two parts of attached article and can be allowed to movable Parts.During cleaning particle, side plate 4 is opened and clears up, after having cleared up, side plate 4 is shut, plug latch.
In the alternative of the present embodiment, door-plate 5 is hinged on support frame as described above 1, and door-plate 5 can be facilitated around bracing frame 1 Rotate.
In the alternative of the present embodiment, door-plate 5 is arranged for clamshell doors, and is additionally provided with the first latch 51 on door-plate 5.Right Opening the door and be also double door, clamshell doors refers to the door of two door leafs.General when door opening width is bigger, convenient with attractive in appearance in order to open And it is designed to clamshell doors.Lockset installed by one of them door leaf, and vacation lock installed by another door leaf, and wears latch.
During use, side plate 4 is shut, plug the second latch 52, door-plate 5 is opened, with overhead traveling crane by anode scrap from trailer afterbody Lifting enters, and then shuts door-plate 5, plugs the first latch 51.After arriving delivery locations, door-plate 5 is opened, by anode scrap from trailer Afterbody hangs out, and then the particle dropped on anode scrap trailer is cleaned out, is shut by door-plate 5 after having cleared up again, and plugs One latch 51.
Safety device length a size of 6000mm × 2200mm × 1300mm, platform trailer gripper shoe 61 of fitting Overall dimensions.Profile according to platform trailer gripper shoe 61, it is also possible to be set to other sizes.
Top board 2 uses the Plate Welding of 3mm thickness on bracing frame 1, prevents beam wind from causing powder in being blown into preventer Dirt flies upward.In addition, top board 2 can also is that other materials.
Bracing frame 1 uses 10# channel-section steel to make, and passes through reinforcement of weld between crossbeam 11 and vertical beam 12.In addition, bracing frame 1 can also is that other materials.
Door-plate 5 and side plate 4 use 40# tetra-angle steel to do supporting construction, are paved by the steel plate of 1.5mm thickness and are welded on four angle steel On.Can prevent beam wind from being blown into preventer, causing dust from flying when fastening.In addition, door-plate 5 and side plate 4 can also is that Other materials.
In the alternative of the present embodiment, side plate 4 is arranged for clamshell doors, and aperture is between 90-180 degree, and on side plate 4 also It is provided with the second latch 52.Can prevent Longitudinal Wind from being blown into preventer, causing dust from flying when fastening.On cleaning anode scrap trailer Particle time, side plate 4 is opened, then the particle dropped on anode scrap trailer is cleaned out, again by side plate 4 after having cleared up Shut, plug the second latch 52.
In the alternative of the present embodiment, side plate 4 is at least provided with two.When side plate 4 is two, it is separately positioned on safety anti- The both sides of protection unit, side plate 4 is hinged with bracing frame 1 or is connected by hinge 42, and door-plate 5 hinge 42 can use simple gate to erect Lower jaw 42 in formula, time hinged, articulated elements 41 is located at one end of bracing frame 1, and during use, side plate 4 rotates around bracing frame 1;Close When page 42 connects, side plate 4 can rotate upwardly and downwardly around hinge 42.
When side plate 4 is multiple, side plate 4 could be arranged to vertical hinged door and arranges or clamshell doors setting.Vertical hinged door is divided into again list To opening and bidirectional opening.Unidirectional unlatching is can only to open (can only pushing inward or draw outward) in one direction.Bidirectional opening is door leaf (such as single or double acting door) can be opened to both direction.
In the alternative of the present embodiment, side plate 4 is hinged on support frame as described above 1, and side plate 4 is arranged for clamshell doors;Or, Side plate 4 top is connected by hinge 42 with bracing frame 1, and side plate 4 rotates around support frame as described above 1.
During use, side plate 4 is shut, plug the second latch 52, door-plate 5 is opened, with overhead traveling crane by anode scrap from trailer afterbody Lifting enters, and then shuts door-plate 5, plugs the first latch 51.Arrive after delivery locations, door-plate 5 opened, overhead traveling crane by anode scrap from Trailer afterbody hangs out, and during cleaning anode scrap trailer particle, is opened by side plate 4, then the particle cleaning dropped on anode scrap trailer Totally, again door-plate 5 and side plate 4 are shut after having cleared up, plug the first latch 51 and the second latch 52.
In the alternative of the present embodiment, top board 2 is 30 degree of-60 degree with the angle of horizontal plane.Top board 2 and horizontal plane have this Individual angle can make the support force of roof become big, it is also possible to reduces the limit wind resistance that anode scrap trailer is subject in the process of moving.? During the rainy day, also help the draining of anode scrap trailer top board 2.
In the alternative of the present embodiment, fixed plate 3 is welded on bracing frame 1.Welding is that two or more is of the same race Or the technical process that foreign material is linked into an integrated entity by the combination between atom or molecule and diffusion.Promote atom and molecule it Between produce and combine and the method for diffusion is heating or pressurization, or heat simultaneously and pressurize.
Welding product is lighter than riveting parts, foundry goods and forge weight, can alleviate deadweight for transport facility, joint About energy.The good airproof performance of welding, is suitable to manufacture all kinds of container.Development associating processing technique, makes welding tie mutually with forging, casting Closing, can make large-scale, the cast-weld construction of economical rationality and forge welding structure, economic benefit is the highest.Use Welder's artistic skill effective Utilizing material, Welding Structure can use the material of different performance at different parts, gives full play to the speciality of various material, reaches Economy, high-quality.
The structural representation of the anode scrap trailer described in Fig. 4 this utility model embodiment;Fig. 5 is the anode scrap trailer described in Fig. 4 Rearview.
As illustrated in figures 4-5, the anode scrap trailer using the safety device of this utility model offer also includes platform trailer Car body 6;Platform trailer car body 6 includes gripper shoe 61, steering structure 62 and wheel 63;Safety device is arranged on gripper shoe 61 On;Steering structure 62 is arranged between gripper shoe 61 and described wheel 63.
Platform trailer also known as flat car, entirely hang flat car, full trailor, flat-bed trailer etc., is that modern logistics transport heavy is wanted Instrument.Using platform trailer is most effective and simple important means of increasing economic efficiency.There is the potent rate of weight capacity high Advantage.The platform trailer train that the full trailor of or more than combines can be drawn by a tractor.
In the alternative of the present embodiment, steering structure 62 includes steering control mechanism, steering gear and steering gear.
Steering gear is that steering realizes slowing down increasing torsion and changing the component in steering torque shipowner direction.Steering gear The power that steering gear exports is passed to deflecting roller, and make two deflecting roller deflection angles by certain relationship change, smooth to realize automobile Turn to.Steering gear, in addition to power transmission, still suffers from shock and vibration.It is provided with damping buffer device, and can automatically eliminate mill Gap after damage.For avoiding moving interference, spherical hinge is used to connect the steering gear with rigid axle suspension adapted.
The anode scrap trailer using the safety device of this utility model offer plays protection during having bad luck anode scrap and makees With, both it being avoided that during having bad luck anode scrap, aluminum guide breaks and falls to hurting sb.'s feelings or cause device damage, particle can be avoided to be scattered simultaneously On road surface, dust from flying, it is also possible to avoid wind to cause the situation of dust from flying to produce in being blown into preventer, reduce surrounding The impact that environmental health is brought.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System;Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims (10)

1. a safety device, it is characterised in that include bracing frame, top board, fixed plate, side plate and door-plate;
Support frame as described above includes many crossbeams and vertical beam;
Described top board includes that the first top board and the second top board, described first top board and described second top board are arranged on support frame as described above Top, is provided with, between described first top board and described second top board, the passage that anode rod can be made to pass in and out;
Before and after support frame as described above, two ends are respectively arranged with fixed plate and door-plate;
Described side plate is arranged on support frame as described above with described door-plate is mobilizable.
Safety device the most according to claim 1, it is characterised in that described door-plate is hinged on support frame as described above.
Safety device the most according to claim 1, it is characterised in that described door-plate is that clamshell doors is arranged, and described door The first latch it is additionally provided with on plate.
Safety device the most according to claim 1, it is characterised in that described side plate is at least provided with two.
5. according to the safety device described in claim 1 or 4, it is characterised in that described side plate is hinged on support frame as described above On, described side plate is that clamshell doors is arranged;
Or, described side plate top is rotated around support frame as described above by gemel connection, described side plate with support frame as described above.
Safety device the most according to claim 5, it is characterised in that described side plate is that clamshell doors is arranged, described side The second latch it is provided with on plate.
Safety device the most according to claim 1, it is characterised in that described top board is 30 with the angle of horizontal plane Degree-60 degree.
Safety device the most according to claim 1, it is characterised in that described fixed plate is welded on support frame as described above On.
9. the anode scrap trailer using safety device described in any one of claim 1-8, it is characterised in that also include putting down Plate trailer bodies;
Described platform trailer car body includes gripper shoe, steering structure and wheel;
Described safety device is arranged in described gripper shoe;
Described steering structure is arranged between described gripper shoe and described wheel.
Anode scrap trailer the most according to claim 9, it is characterised in that described steering structure includes steering control mechanism, turns To device and steering gear;
Described steering gear one end is connected with described steering control mechanism, and the other end is connected with described steering gear.
CN201620622821.3U 2016-06-22 2016-06-22 A kind of safety device and anode scrap trailer Active CN205688032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620622821.3U CN205688032U (en) 2016-06-22 2016-06-22 A kind of safety device and anode scrap trailer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620622821.3U CN205688032U (en) 2016-06-22 2016-06-22 A kind of safety device and anode scrap trailer

Publications (1)

Publication Number Publication Date
CN205688032U true CN205688032U (en) 2016-11-16

Family

ID=57416564

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620622821.3U Active CN205688032U (en) 2016-06-22 2016-06-22 A kind of safety device and anode scrap trailer

Country Status (1)

Country Link
CN (1) CN205688032U (en)

Similar Documents

Publication Publication Date Title
CN201342977Y (en) Split self-discharging wagon carriage
CN203920906U (en) Electric transporting vehicle
CN106627308A (en) Two-side unloading carriage
CN216101733U (en) Muck vehicle with smoothing device
CN202879295U (en) Lightweight self-discharging and semi-trailer car body
CN207997892U (en) A kind of construction steel pipe transmission trolley
CN205688032U (en) A kind of safety device and anode scrap trailer
CN203999759U (en) Coaxial atmosphere protected electro-slag re-melting stove
CN103060499A (en) Hinged U-shaped slag pot carrier
CN201195508Y (en) Lange-angle tumbler vehicle
CN206155263U (en) Two side dumping skip railway carriage or compartments
CN207403746U (en) Low-floor tramcar drivers' cab chassis
CN216405477U (en) Portal template structure and template system
CN203112854U (en) Hinged U-shaped slag pot carrier
CN111376978A (en) Portable electric four-wheel vehicle chassis
CN208602413U (en) A kind of vehicle-mounted shelf of system O&M
CN208345036U (en) A kind of off-loadable formula cram packer of railway carriage
CN206416913U (en) A kind of bilateral discharging compartment
CN206031176U (en) Novel semi -mounted tank wagon
CN214814759U (en) Novel hot metal ladle capping and uncapping device for hot metal ladle car
CN206692685U (en) A kind of novel thermal process bin frock
CN109440137A (en) A kind of aluminium anode guide rod tumbler
CN206766139U (en) A kind of top girth of magnesium alloy touring car skeleton
CN104555821A (en) Forklift lifting tool
CN216272597U (en) Assembled combined suspension cage for construction elevator

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant