CN111992158A - Explosion protection equipment for chemical industry - Google Patents
Explosion protection equipment for chemical industry Download PDFInfo
- Publication number
- CN111992158A CN111992158A CN202010948262.6A CN202010948262A CN111992158A CN 111992158 A CN111992158 A CN 111992158A CN 202010948262 A CN202010948262 A CN 202010948262A CN 111992158 A CN111992158 A CN 111992158A
- Authority
- CN
- China
- Prior art keywords
- cavity
- protection
- wall
- chamber
- opening
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses explosion protection equipment for chemical industry, which comprises a protection box, wherein a protection cavity with an upward opening is arranged in the protection box, a lifting mechanism is arranged in the protection box, the lifting mechanism comprises a vertical groove arranged on the lower side of the protection cavity and provided with an upward opening on the inner wall, a sealing mechanism is arranged in the protection box, the sealing mechanism comprises a telescopic cavity arranged on the right side of the protection cavity and provided with a leftward opening on the inner wall, a sealing plate is arranged in the telescopic cavity and can move leftwards and rightwards, a protection mechanism is arranged in the protection box and comprises a transverse cavity arranged on the left side of the protection cavity and provided with a rightward opening on the inner wall, a protection plate is arranged in the transverse cavity and can move leftwards and rightwards, the device can isolate and protect chemical articles which have violent reactions, prevent the explosion or violent reactions from causing injury to operators or, the safety of operators is protected, and the loss is reduced.
Description
Technical Field
The invention relates to the field of chemical industry, in particular to explosion protection equipment for chemical industry.
Background
Chemical engineering is the abbreviation of "chemical process", "chemical industry", "chemical engineering", etc., and all techniques of changing the composition, structure or synthesizing new substances by chemical methods belong to chemical production techniques, i.e. chemical processes, in ordinary chemical experiments, a large number of dangerous products are used, if improper operation is likely to cause explosion or violent reaction, and if not timely treatment, great damage is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing the explosion protection equipment for the chemical industry, and solves the problems of severe reaction or explosion caused by improper operation, great damage caused by untimely treatment and the like.
The invention is realized by the following technical scheme.
The invention relates to chemical explosion protection equipment which comprises a protection box, wherein a protection cavity with an upward opening is arranged in the protection box, a lifting mechanism is arranged in the protection box and comprises a vertical groove arranged on the lower side of the protection cavity and provided with an upward opening on the inner wall, a vertical rod can move up and down in the vertical groove, a bearing plate is fixedly arranged on the upper end surface of the vertical rod, a vertical rack is fixedly arranged on the right end surface of the vertical rod, a transmission cavity is arranged on the inner wall on the right side of the vertical groove, a connecting shaft is rotatably arranged on the inner wall on the rear side of the transmission cavity, and a transmission gear and a driving bevel gear are fixedly arranged on the connecting shaft;
the protective box is internally provided with a sealing mechanism, the sealing mechanism comprises a telescopic cavity which is arranged at the right side of the protective cavity and has an opening towards the left, a sealing plate is arranged in the telescopic cavity and can move left and right, a telescopic spring is connected between the right end surface of the sealing plate and the right side inner wall of the telescopic cavity, the right end surface of the telescopic cavity is connected with a connecting wire, a placing groove with an upward opening is arranged in the telescopic cavity, the rear side inner wall of the placing groove is fixedly provided with a driving shaft, a limiting plate is arranged on the driving shaft in a rotating manner, a reset torsion spring is arranged between the limiting plate and the driving shaft, a moving groove is arranged in the limiting plate, a communicating port is arranged in the driving shaft, a jacking rod is arranged in the moving groove and can move left and right, a limiting rod is arranged in the communicating port and can move left and right, a fixed block is fixedly arranged on the left end face of the movable rod, and a tension cavity with an upward opening is arranged on the inner wall of the lower side of the pushing cavity;
be equipped with protection mechanism in the guard box, protection mechanism is including setting up horizontal chamber right of protection chamber left side inner wall opening, horizontal intracavity can remove about, is equipped with the protection shield, protection shield left end face with be connected with coupling spring between horizontal chamber left side inner wall, protection shield left end face is connected with the connection rope, the terminal surface is equipped with the decurrent string chamber of opening under the protection shield, the string intracavity can reciprocate to be equipped with and promote the piece, promote the fixed cutting off cutter that is equipped with of piece up end, string chamber front side inner wall connection has the string.
Further, be equipped with in the transmission chamber right side inner wall and rotate the chamber, it is equipped with the cross axle to rotate chamber left side inner wall, turn right from a left side on the cross axle and fix in proper order and be equipped with driven bevel gear and transfer line, it is equipped with the horizontal pole to rotate the intracavity, it is equipped with two rotor plates to rotate on the horizontal pole, two the terminal surface that the rotor plate is close to articulates and is equipped with the rotor arm, the fixed plate that is equipped with on the rotor arm, the fixed blade that is equipped with on the fixed plate, the front side link up about on the rotor arm and be equipped with and connect the opening, it is connected with to rotate chamber downside inner wall connect rope and connecting wire, connect the.
Furthermore, the upper end surface of the sealing plate is provided with a contact groove with an upward opening, a lifting block can be arranged in the contact groove in a vertically moving mode, a limiting groove with a leftward opening is arranged in the lifting block, a contact spring is connected between the lower end surface of the lifting block and the lower inner wall of the contact groove, a sliding block is arranged in the tension cavity in a horizontally moving mode, a moving arm is fixedly arranged on the upper end surface of the sliding block, a limiting arm is fixedly arranged on the right end surface of the moving arm, a moving frame is fixedly arranged on the left end surface of the moving arm, a moving cavity is arranged in the moving frame, a movable plate of Korea can be moved horizontally in the moving cavity, a connecting arm is fixedly arranged on the left end surface of the moving plate, a contact block is fixedly arranged on the left end surface of the connecting arm, a detection cavity with a downward opening is arranged on the lower end surface of the sealing, the sliding block left end face is connected with the detection rope, protection chamber left side inner wall is equipped with the opening of placing the mouth to the right.
Further, the terminal surface is equipped with the decurrent chamber of placing of opening under the protection shield, it is equipped with the opening forward torsional spring groove to place chamber rear side inner wall, torsional spring inslot rotation is equipped with the transmission shaft, the transmission shaft with be equipped with the joint torsion spring between the torsional spring groove, the fixed rope winding wheel that is equipped with on the transmission shaft, around having on the rope winding wheel the string rope, the fixed dwang that is equipped with on the rope winding wheel.
The invention has the beneficial effects that: this device can carry out the isolation protection to the chemical that takes place violent reaction, prevents to explode or violent reaction and causes the injury to the operator, perhaps causes the destruction to the environment on every side, has protected operator's safety, has reduced the loss.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram at D-D in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine 1-5 described in attached drawings for chemical industry explosion protection equipment, including the guard box 41, be equipped with the ascending protection chamber 30 of opening in the guard box 41, be equipped with elevating system 80 in the guard box 41, elevating system 80 is including setting up the ascending vertical groove 12 of protection chamber 30 downside inner wall opening, can reciprocate in the vertical groove 12 and be equipped with montant 15, the fixed bearing plate 16 that is equipped with of montant 15 up end, the fixed vertical rack 14 that is equipped with of montant 15 right-hand member face, the right side inner wall of vertical groove 12 is equipped with transmission chamber 10, the rotation of transmission chamber 10 rear side inner wall is equipped with connecting axle 13, it is fixed with drive gear 68 and drive bevel gear 11 from the back forward in proper order on the connecting axle 13, be equipped with closing mechanism 81 in the guard box 41, closing mechanism 81 is including setting up the flexible chamber 34 left of protection chamber 30 right side inner wall opening, the inner wall of the telescopic cavity 34 can be moved left and right to form a closed plate 43, the right end face of the closed plate 43 and the inner wall of the right side of the telescopic cavity 34 are connected with a telescopic spring 33, the right end face of the telescopic cavity 34 is connected with a connecting line 32, a placing groove 76 with an upward opening is arranged in the telescopic cavity 34, a driving shaft 77 is fixedly arranged on the inner wall of the rear side of the placing groove 76, a limiting plate 48 is rotatably arranged on the driving shaft 77, a reset torsion spring 46 is arranged between the limiting plate 48 and the driving shaft 77, a moving groove 42 is arranged in the limiting plate 48, a communicating port 44 is arranged in the driving shaft 77, a jacking rod 47 is movably arranged in the moving groove 42 in a left and right direction, a limiting rod 45 is movably arranged in the communicating port 44 in a left and right direction, a pushing cavity 78 is arranged in the inner wall of the right side of the placing groove 76, a moving rod 50 is, promote 78 downside inner walls in chamber and be equipped with the ascending pulling force chamber 64 of opening, be equipped with protection mechanism 82 in the guard box 41, protection mechanism 82 is including setting up the horizontal chamber 23 of protection chamber 30 left side inner wall opening right, can remove about in the horizontal chamber 23 and be equipped with protection shield 24, protection shield 24 left end face with be connected with connecting spring 22 between horizontal chamber 23 left side inner wall, protection shield 24 left end face is connected with and connects rope 21, the terminal surface is equipped with the decurrent string chamber 25 of opening under the protection shield 24, can reciprocate in the string chamber 25 and be equipped with and promote piece 19, it is equipped with cutting off cutter 27 to promote the fixed up end that is equipped with of piece 19, the inboard wall connection of string chamber 25 front side has string 26.
Beneficially, a rotating cavity 38 is arranged in the inner wall of the right side of the transmission cavity 10, a transverse shaft 39 is rotatably arranged on the inner wall of the left side of the rotating cavity 38, a driven bevel gear 40 and a transmission rod 36 are fixedly arranged on the transverse shaft 39 from left to right, a transverse rod 35 is fixedly arranged in the rotating cavity 38, two rotating plates 37 are rotatably arranged on the transverse rod 35, a rotating arm 69 is hinged to the end surface of the two rotating plates 37, a fixed plate 71 is fixedly arranged on the rotating arm 69, a blade 72 is fixedly arranged on the fixed plate 71, a connecting port 70 is penetratingly arranged on the rotating arm 69 on the front side from left to right, the connecting rope 21 and the connecting wire 32 are connected to the inner wall of the lower side of the rotating cavity 38, and the connecting rope 21 and the connecting wire 32 pass.
Beneficially, the upper end surface of the closing plate 43 is provided with a contact groove 57 with an upward opening, an elevating block 54 is arranged in the contact groove 57 and can move up and down, a limiting groove 55 with a leftward opening is arranged in the elevating block 54, a contact spring 56 is connected between the lower end surface of the elevating block 54 and the lower inner wall of the contact groove 57, a sliding block 60 is arranged in a tension cavity 64 and can move left and right, a moving arm 59 is fixedly arranged on the upper end surface of the sliding block 60, a limiting arm 58 is fixedly arranged on the right end surface of the moving arm 59, a moving frame 63 is fixedly arranged on the left end surface of the moving arm 59, a moving cavity 61 is arranged in the moving frame 63, a movable plate 53 of the european community can move left and right in the moving cavity 61, a connecting arm 52 is fixedly arranged on the left end surface of the moving plate 53, a contact block 51 is fixedly arranged on the left, it has detection rope 66 to detect chamber 65 left side inner wall connection, sliding block 60 left end face with be connected with tension spring 62 between the inner wall of tension chamber 64 left side, sliding block 60 left end face is connected with detection rope 66, protection chamber 30 left side inner wall is equipped with opening right place mouthful 29.
Beneficially, the lower end surface of the protection plate 24 is provided with a placing cavity 18 with a downward opening, the inner wall of the rear side of the placing cavity 18 is provided with a torsion spring groove 73 with a forward opening, a transmission shaft 28 is rotatably arranged in the torsion spring groove 73, a connecting torsion spring 74 is arranged between the transmission shaft 28 and the torsion spring groove 73, a rope winding wheel 75 is fixedly arranged on the transmission shaft 28, the thin rope 26 is wound on the rope winding wheel 75, and a rotating rod 17 is fixedly arranged on the rope winding wheel 75.
In the initial state, the connection spring 22, the extension spring 33, the contact spring 56, the torsion spring groove 73, and the return torsion spring 46 are in a compressed state, and the tension spring 62 is in a stretched state.
When a violent reaction of the chemical is sensed and unexpected consequences are generated, the chemical is thrown into the protection cavity 30, the bearing plate 16 moves downwards under the action of gravity, the bearing plate 16 drives the vertical rod 15 to move downwards, the vertical rack 14 moves downwards along with the vertical rod 15, the vertical rack 14 is meshed with the vertical rod to drive the transmission gear 68 to rotate, the transmission gear 68 drives the driving bevel gear 11 to rotate through the connecting shaft 13, the driving bevel gear 11 is meshed with the driving bevel gear to drive the driven bevel gear 40 to rotate, the driven bevel gear 40 drives the transmission rod 36 to rotate through the transverse shaft 39, the transmission rod 36 rotates to enable the two rotating plates 37 to be far away from each other, the rotating plates 37 are far away from the driving two fixing plates 71 to be close to each other, the fixing plates 71 drive the blades 72 to be close to each other, the connecting wires 32 and the connecting wires 21 are cut off, the protection plates 24 move rightwards, when the closing plate 43 is inserted into the placing opening 29, if the article reacts violently, the detection rope 66 will break, the tension spring 62 will drive the sliding block 60 to move leftwards, the sliding block 60 will drive the moving arm 59 to move leftwards, the moving arm 59 will drive the limiting arm 58 to move leftwards, the limiting arm 58 will leave the limiting groove 55, the contact spring 56 will drive the lifting block 54 to move upwards, the lifting block 54 will move upwards, the pushing block 19 will drive the cutting knife 27 to move upwards, the string 26 will break, the connecting torsion spring 74 will drive the transmission shaft 28 to rotate, the transmission shaft 28 will drive the rotating rod 17 to rotate, the moving arm 59 will move leftwards and drive the moving frame 63 to move leftwards, the moving frame 63 will drive the tension spring 62 to move leftwards, the tension spring 62 will drive the contact block 51 to move leftwards, the fixed block 49 will drive the pushing rod 47 to move leftwards, the pushing rod 47 drives the limiting rod 45 to move leftwards, after the limiting rod 45 moves, the pushing rod 47 drives the limiting plate 48 to rotate, and when the protecting plate 24 moves leftwards and the closing plate 43 moves rightwards, the rotating rod 17 and the limiting plate 48 are clamped and cannot be opened.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides an explosion protection equipment for chemical industry, includes the guard box, its characterized in that: a protection cavity with an upward opening is arranged in the protection box, a lifting mechanism is arranged in the protection box, the lifting mechanism comprises a vertical groove which is arranged on the lower side of the protection cavity and has an upward opening on the inner wall, a vertical rod can move up and down in the vertical groove, a bearing plate is fixedly arranged on the upper end face of the vertical rod, a vertical rack is fixedly arranged on the right end face of the vertical rod, a transmission cavity is arranged on the inner wall on the right side of the vertical groove, a connecting shaft is rotatably arranged on the inner wall on the rear side of the transmission cavity, and a transmission gear and a driving bevel gear are sequentially and; the protective box is internally provided with a sealing mechanism, the sealing mechanism comprises a telescopic cavity which is arranged at the right side of the protective cavity and has an opening towards the left, a sealing plate is arranged in the telescopic cavity and can move left and right, a telescopic spring is connected between the right end surface of the sealing plate and the right side inner wall of the telescopic cavity, the right end surface of the telescopic cavity is connected with a connecting wire, a placing groove with an upward opening is arranged in the telescopic cavity, the rear side inner wall of the placing groove is fixedly provided with a driving shaft, a limiting plate is arranged on the driving shaft in a rotating manner, a reset torsion spring is arranged between the limiting plate and the driving shaft, a moving groove is arranged in the limiting plate, a communicating port is arranged in the driving shaft, a jacking rod is arranged in the moving groove and can move left and right, a limiting rod is arranged in the communicating port and can move left and right, a fixed block is fixedly arranged on the left end face of the movable rod, and a tension cavity with an upward opening is arranged on the inner wall of the lower side of the pushing cavity; be equipped with protection mechanism in the guard box, protection mechanism is including setting up horizontal chamber right of protection chamber left side inner wall opening, horizontal intracavity can remove about, is equipped with the protection shield, protection shield left end face with be connected with coupling spring between horizontal chamber left side inner wall, protection shield left end face is connected with the connection rope, the terminal surface is equipped with the decurrent string chamber of opening under the protection shield, the string intracavity can reciprocate to be equipped with and promote the piece, promote the fixed cutting off cutter that is equipped with of piece up end, string chamber front side inner wall connection has the string.
2. The explosion protection device for chemical engineering according to claim 1, wherein: be equipped with in the transmission chamber right side inner wall and rotate the chamber, it is equipped with the cross axle to rotate chamber left side inner wall, turn right from a left side on the cross axle and fix in proper order and be equipped with driven bevel gear and transfer line, it is equipped with the horizontal pole to rotate the intracavity fixation, it is equipped with two rotor plates, two to rotate on the horizontal pole the articulated rotor arm that is equipped with of terminal surface that the rotor plate is close to, the fixed plate that is equipped with on the rotor arm, the fixed blade that is equipped with on the fixed plate, the front side link up about on the rotor arm and be equipped with and connect the opening, it has to rotate chamber downside inner wall connection connect rope and connecting wire.
3. The explosion protection device for chemical engineering according to claim 1, wherein: the sealing plate is characterized in that a contact groove with an upward opening is formed in the upper end face of the sealing plate, a lifting block is arranged in the contact groove in a vertically moving mode, a limiting groove with a leftward opening is formed in the lifting block, a contact spring is connected between the lower end face of the lifting block and the inner wall of the lower side of the contact groove, a sliding block is arranged in the tension cavity in a horizontally moving mode, a moving arm is fixedly arranged on the upper end face of the sliding block, a limiting arm is fixedly arranged on the right end face of the moving arm, a moving frame is fixedly arranged on the left end face of the moving arm, a moving cavity is arranged in the moving frame, a Korea moving plate can be moved horizontally in the moving cavity, a connecting arm is fixedly arranged on the left end face of the moving plate, a contact block is fixedly arranged on the left end face of the connecting arm, a detection cavity with a downward opening, the sliding block left end face is connected with the detection rope, protection chamber left side inner wall is equipped with the opening of placing the mouth to the right.
4. The explosion protection device for chemical engineering according to claim 1, wherein: the terminal surface is equipped with the decurrent chamber of placing of opening under the protection shield, it is equipped with the opening forward torsional spring groove to place the chamber rear side inner wall, torsional spring inslot rotation is equipped with the transmission shaft, the transmission shaft with be equipped with the joint torsion spring between the torsional spring groove, the fixed rope winding wheel that is equipped with on the transmission shaft, around having on the rope winding wheel the string rope, the fixed dwang that is equipped with on the rope winding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948262.6A CN111992158A (en) | 2020-09-10 | 2020-09-10 | Explosion protection equipment for chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948262.6A CN111992158A (en) | 2020-09-10 | 2020-09-10 | Explosion protection equipment for chemical industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111992158A true CN111992158A (en) | 2020-11-27 |
Family
ID=73469137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010948262.6A Withdrawn CN111992158A (en) | 2020-09-10 | 2020-09-10 | Explosion protection equipment for chemical industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111992158A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578293A (en) * | 2021-01-08 | 2021-03-30 | 上海伶木洋电子科技有限公司 | Storage battery residual capacity detection equipment |
-
2020
- 2020-09-10 CN CN202010948262.6A patent/CN111992158A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578293A (en) * | 2021-01-08 | 2021-03-30 | 上海伶木洋电子科技有限公司 | Storage battery residual capacity detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111992158A (en) | Explosion protection equipment for chemical industry | |
| CN110917533B (en) | Lithium battery storage and preservation equipment | |
| CN111643777A (en) | Abandonment transfer line treatment facility | |
| CN112113736A (en) | Safety helmet quality detection robot | |
| CN216296637U (en) | Totally-enclosed glass ceramic product crushing and collecting device | |
| CN111917369A (en) | Solar cell panel surface cleaning equipment | |
| CN201092068Y (en) | Electric chain saw | |
| CN219591923U (en) | Distribution control equipment convenient to maintenance | |
| CN111717060A (en) | Household storage battery charging explosion-proof device | |
| CN111058885A (en) | Safety protection frame used in mine hole | |
| CN216997309U (en) | Visual gantry crane hoist cable clamp | |
| CN218438973U (en) | A general protector for lathe safety in production | |
| CN112436421A (en) | Secondary distribution box carrying and protecting device for construction site | |
| CN113006454A (en) | Lifting hanging basket with windproof and anticollision functions | |
| CN212475912U (en) | Pulling-up hanging basket for construction of constructional engineering | |
| CN216888688U (en) | Electric fire-fighting disconnecting device | |
| CN110775830A (en) | Bridge type variable speed hoisting equipment | |
| CN211639222U (en) | Safety door lifting device | |
| CN219262426U (en) | Mining fire extinguishing device convenient for placing extinguishing powder blocks | |
| CN221234175U (en) | Chemical product packaging device | |
| CN217481332U (en) | Improved pre-opening pressure-relief explosion-proof door | |
| CN112110267B (en) | Sealing device for automatic cutting of preservative film | |
| CN215614086U (en) | Novel technology accuse cooling equipment protection casing automatic control device of bar | |
| CN221783668U (en) | Electrical cabinet with fire extinguishing function | |
| CN116207379B (en) | Online storage battery monitoring system and method for coal mining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201127 |
|
| WW01 | Invention patent application withdrawn after publication |