CN112698699B - Dustproof and waterproof structure used inside computer case - Google Patents

Dustproof and waterproof structure used inside computer case Download PDF

Info

Publication number
CN112698699B
CN112698699B CN202110030213.9A CN202110030213A CN112698699B CN 112698699 B CN112698699 B CN 112698699B CN 202110030213 A CN202110030213 A CN 202110030213A CN 112698699 B CN112698699 B CN 112698699B
Authority
CN
China
Prior art keywords
dustproof
piece
computer case
scraping
waterproof
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
CN202110030213.9A
Other languages
Chinese (zh)
Other versions
CN112698699A (en
Inventor
陈红
赵莉
张帆
黄苏雨
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.)
Wuhan Donghu University
Original Assignee
Wuhan Donghu University
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 Wuhan Donghu University filed Critical Wuhan Donghu University
Priority to CN202110030213.9A priority Critical patent/CN112698699B/en
Publication of CN112698699A publication Critical patent/CN112698699A/en
Application granted granted Critical
Publication of CN112698699B publication Critical patent/CN112698699B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/183Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water

Abstract

The invention discloses a dustproof and waterproof structure for the interior of a computer case, which comprises a locking plate, a locking hole, a supporting plate, a waterproof and dustproof structure and a scraping and sweeping device, wherein the waterproof and dustproof structure is arranged at the top of the supporting plate; the bottom of the supporting plate is provided with a scraping and sweeping device which is driven manually and can horizontally slide, and in the sliding process, a scraping block in the scraping and sweeping device can contact the bottom of the filter screen to scrape off dust at the bottom of the filter screen; install in scraping and sweep the device and scrape and sweep a realization quick assembly disassembly, inside scrape the piece bottom and meet with the embedding piece, the embedding piece is connected with the bottom drain pan and is adopted the buckle mode, simple structure, conveniently operates.

Description

Dustproof and waterproof structure used inside computer case
Technical Field
The invention relates to the field related to computer case accessories, in particular to a dustproof and waterproof structure used in a computer case.
Background
The computer is commonly called as a computer, is a modern electronic computing machine for high-speed computing, can perform numerical computation and logic computation, has a memory function, is modern intelligent electronic equipment capable of automatically processing mass data at high speed according to program operation, and is provided with a dustproof and waterproof structure in a special case of the computer to prevent dust and water from entering.
In the actual use process of the dustproof and waterproof structure inside the existing computer case, the mesh is closed when the computer is not used, so that the dustproof and waterproof structure realizes the dustproof and waterproof effect, and can not effectively prevent dust and waterproof in the use process.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a dustproof and waterproof structure for the inside of a computer case.
The invention is realized in such a way that a dustproof and waterproof structure used in a computer case is constructed, the device comprises two groups of locking plates, the two groups of locking plates are oppositely arranged, five groups of locking holes are formed in the locking plates, the bottoms of the locking plates are fixed with a supporting plate, the top of the supporting plate is connected with the waterproof and dustproof structure, the bottom of the supporting plate is connected with a scraping and sweeping device, the waterproof and dustproof structure comprises a fixing strip, a water absorption layer and a filter screen, the bottom of the fixing strip is welded with the supporting plate, the upper end in the fixing strip is provided with a water absorption layer, and the middle of the bottom end of the water absorption layer is connected with the filter screen.
Preferably, the scraping and sweeping device comprises a fixed plate, a sliding block and a scraping and sweeping part, the sliding block is welded at the left end and the right end of the top of the fixed plate, the top of the sliding block is connected with the bottom of the supporting plate, and the middle part of the inner front end of the fixed plate is fixed with the scraping and sweeping part.
Preferably, scrape and sweep the piece and include the drain pan, inlay the piece, scrape piece, draw-in groove, fastener and buffering frame, the drain pan back is fixed mutually with the fixed plate, the upper end closely imbeds in the drain pan has the inlay piece, inlay the piece top and scrape the piece and meet, the draw-in groove has been seted up at the front end middle part in the drain pan, middle part offsets with the fastener in the draw-in groove, the fastener back is fixed with the terminal surface middle part before the inlay piece, inlay the piece external diameter surface lower extreme and cup jointed the buffering frame, the lower extreme meets in buffering frame bottom and the drain pan.
Preferably, the fixing strip is in an inverted L shape, and the inner end of the top of the fixing strip is attached to the bottom of the water absorbing layer.
Preferably, the thickness of the water absorbing layer is smaller than that of the filter screen, and the bottom of the filter screen is opposite to the top of the scraping block.
Preferably, the middle part of the lower end in the supporting plate is provided with a sliding groove, and the sliding block is movably embedded into the sliding groove at the lower end of the supporting plate.
Preferably, the opening in the middle of the front end in the fixing plate is square, and the scraping and sweeping piece is arranged in the opening in the front end of the fixing plate.
Preferably, the scraping block is in a trapezoidal shape, and the top surface of the scraping block is smooth.
Preferably, the inner middle part of the clamping piece is hollow, and the outer side of the clamping piece has elasticity.
Preferably, the thickness of the buffer frame is 1cm, and the buffer frame is tightly embedded into the lower end of the embedded block.
Preferably, the fixing plate is made of stainless steel.
Preferably, the buffering frame is made of a silica gel material.
The invention has the following advantages: the invention provides a dustproof and waterproof structure for the interior of a computer case through improvement, compared with the same type of equipment, the dustproof and waterproof structure comprises the following improvements:
the method has the advantages that: according to the dustproof and waterproof structure for the interior of the computer case, the waterproof and dustproof structure is arranged at the top of the supporting plate, the water absorption layer and the filter screen are arranged in the waterproof and dustproof structure, the filter screen can isolate dust at the bottom, the water absorption layer can absorb water vapor, the water vapor is prevented from entering the interior of the case, and the protection performance is good.
The method has the advantages that: according to the dustproof and waterproof structure for the interior of the computer case, the scraping and sweeping device is installed at the bottom of the supporting plate and is driven manually and can horizontally slide, and in the sliding process, the scraping block in the scraping and sweeping device can be in contact with the bottom of the filter screen to scrape off dust at the bottom of the filter screen.
The method has the advantages that: according to the dustproof and waterproof structure for the interior of the computer case, the scraping and sweeping piece is arranged in the scraping and sweeping device to realize quick assembly and disassembly, the bottom of the internal scraping block is connected with the embedded block, and the embedded block is connected with the bottom case in a buckling mode, so that the structure is simple, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the waterproof and dustproof structure of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the construction of the sweeping device of the present invention;
fig. 5 is a schematic cross-sectional structure of the wiper of the present invention.
Wherein: the device comprises a locking plate-1, a locking hole-2, a supporting plate-3, a waterproof and dustproof structure-4, a scraping device-5, a fixing strip-41, a water absorption layer-42, a filter screen-43, a fixing plate-51, a sliding block-52, a scraping piece-53, a bottom shell-531, an embedded block-532, a scraping block-533, a clamping groove-534, a clamping piece-535 and a buffering frame-536.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention provides a dustproof and waterproof structure for the interior of a computer case by an improvement, including two sets of locking plates 1, wherein the two sets of locking plates 1 are installed oppositely, five sets of locking holes 2 are formed in the locking plates 1, the bottom of the locking plates 1 is fixed with a supporting plate 3, the top of the supporting plate 3 is connected with a waterproof and dustproof structure 4, and the bottom of the supporting plate 3 is connected with a scraping and sweeping device 5.
Referring to fig. 2 and 3, the present invention provides a dustproof and waterproof structure for the interior of a computer case by an improvement, wherein the waterproof and dustproof structure 4 includes a fixing bar 41, a water absorbing layer 42 and a filter screen 43, the bottom of the fixing bar 41 is welded to the support plate 3, the water absorbing layer 42 is disposed at the upper end of the fixing bar 41, the middle of the bottom end of the water absorbing layer 42 is connected to the filter screen 43, the fixing bar 41 is in an inverted L shape, and the inner end of the top of the fixing bar 41 is attached to the bottom of the water absorbing layer 42, so that the installation is convenient.
Referring to fig. 4, the present invention provides a dustproof and waterproof structure for the interior of a computer case by improving, wherein a wiping device 5 includes a fixing plate 51, a slider 52 and a wiping member 53, the slider 52 is welded at the left and right ends of the top of the fixing plate 51, the top of the slider 52 is connected to the bottom of a supporting plate 3, the wiping member 53 is fixed at the middle of the front end in the fixing plate 51, a sliding slot is formed in the middle of the inner lower end of the supporting plate 3, the slider 52 is movably inserted into the sliding slot at the lower end of the supporting plate 3, the sliding is smooth and stable, the opening at the middle of the front end in the fixing plate 51 is square, and the wiping member 53 is placed in the opening at the front end of the fixing plate 51, so that the installation is convenient, the position is suitable, the fixing plate 51 is made of stainless steel, and the rusting caused by long-term use is prevented.
Referring to fig. 5, the present invention provides a dustproof and waterproof structure for the interior of a computer case by improving, a wiping member 53 includes a bottom shell 531, an embedded block 532, a wiping block 533, a slot 534, a clip 535 and a buffer frame 536, the back of the bottom shell 531 is fixed to a fixing plate 51, the embedded block 532 is tightly embedded in the upper end of the bottom shell 531, the top of the embedded block 532 is connected to the wiping block 533, the slot 534 is opened in the middle of the front end of the bottom shell 531, the middle of the slot 534 is abutted to the clip 535, the back of the clip 535 is fixed to the middle of the front end of the embedded block 532, the buffer frame 536 is sleeved on the lower end of the outer diameter surface of the embedded block 532, the bottom of the buffer frame 536 is connected to the inner lower end of the bottom shell 531, the wiping block 533 is in a trapezoidal shape, the top surface of the wiping block 533 is smooth, the wiping block has high wiping efficiency and good effect, the middle of the inner portion of the clip 535 is hollow, the outer side of the clip 535 has elasticity for fast connection, the thickness of the buffer frame 536 is 1cm, and buffering frame 536 closely imbeds the lower extreme of inlaying piece 532, and buffering effect is good, and is stable, and buffering frame 536 adopts the silica gel material, and buffering effect is good, and frictional force is big, and layer 42 thickness that absorbs water is less than filter screen 43 thickness to filter screen 43 bottom is relative with scraping piece 533 top, scrapes the convenience, and the clearance is effectual.
Example two
The invention provides a dustproof and waterproof structure for the interior of a computer case through improvement, six groups of clamping grooves 534 are arranged, the six groups of clamping grooves 534 are uniformly distributed at the front end in a bottom case 531, and five groups of corresponding clamping pieces 535 are also arranged, so that the dustproof and waterproof structure is stable in fixation and strong in stability; the middle part of the front end of the clamping piece 535 is convex, and the convex position is clamped into the clamping groove 534, so that the connection is convenient, and the quick assembly and disassembly are realized.
The invention provides a dustproof and waterproof structure used in a computer case through improvement, and the working principle is as follows;
firstly, when the structure needs to be used, the locking plate 1 is firstly installed at a position where the locking plate needs to be installed, and is locked into the locking hole 2 through an external bolt;
secondly, the user starts to install the waterproof and dustproof structure 4, the water absorbing layer 42 is placed at the top of the fixing strip 41 to complete fixing, the filter screen 43 attached to the bottom of the water absorbing layer 42 faces downwards, and the waterproof and waterproof functions are achieved through the waterproof and dustproof structure and the water absorbing layer;
thirdly, if the bottom filter screen 43 needs to be cleaned, a user pulls the bottom shell 531, the bottom shell 531 can drive the sliding blocks 52 at the two ends of the fixing plate 51 to slide in the sliding grooves in the supporting plate 3, the scraping block 533 at the top of the embedding block 532 can contact the filter screen 43, and dust at the bottom of the filter screen 43 is scraped off in the moving process;
fourth, if need take off scraping piece 533 when cleaning, the user presses fastener 535 in draw-in groove 534, fastener 535 deformation, and the fixture block of front end breaks away from draw-in groove 534, then can exert force and scrape piece 533 for inlay piece 532 is pulled out from drain pan 53, can accomplish the dismouting, only needs during the installation to reinsert, then the fixture block of fastener 535 front end is followed and is popped into in draw-in groove 534 can.
The invention provides a dustproof and waterproof structure for the interior of a computer case through improvement, the waterproof and dustproof structure 4 is arranged at the top of the supporting plate 3, the waterproof and dustproof structure 4 is internally provided with the water absorbing layer 42 and the filter screen 43, the filter screen 43 can isolate dust at the bottom, the water absorbing layer 42 can absorb water vapor, the water vapor is prevented from entering the interior of the case, and the protection performance is good; the bottom of the supporting plate 3 is provided with the scraping and sweeping device 5, the scraping and sweeping device 5 is driven manually and can horizontally slide, and in the sliding process, a scraping block in the scraping and sweeping device 5 can contact the bottom of the filter screen 43 to scrape off dust at the bottom of the filter screen; install in scraping and sweep device 5 and scrape piece 53 and can realize quick assembly disassembly, inside scrape the piece 533 bottom and meet with embedded piece 532, embedded piece 532 is connected with bottom drain pan 531 and adopts the buckle mode, simple structure, conveniently operates.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A dustproof and waterproof structure for the interior of a computer case comprises locking plates (1), wherein two groups of locking plates (1) are arranged, the two groups of locking plates (1) are oppositely installed, five groups of locking holes (2) are formed in the locking plates (1), and the bottoms of the locking plates (1) are fixed with supporting plates (3);
the method is characterized in that: still include waterproof dustproof construction (4) and scrape and sweep device (5), layer board (3) top meets with waterproof dustproof construction (4), layer board (3) bottom is swept device (5) with scraping and is connected, waterproof dustproof construction (4) include fixed strip (41), absorb water layer (42) and filter screen (43), fixed strip (41) bottom welds with layer board (3), the upper end is provided with layer (42) that absorbs water in fixed strip (41), layer (42) bottom middle part that absorbs water meets with filter screen (43), scrape sweep device (5) including fixed plate (51), slider (52) and sweep piece (53), both ends welding has slider (52) about fixed plate (51) top, slider (52) top meets with layer board (3) bottom, front end middle part is fixed with in fixed plate (51) and scrapes and sweeps piece (53), scrape sweeping part (53) including drain pan (531), embedding piece (532), scrape piece (533), draw-in groove (534), fastener (535) and buffering frame (536), the drain pan (531) back is fixed mutually with fixed plate (51), the inseparable embedding of upper end has embedding piece (532) in drain pan (531), embedding piece (532) top with scrape piece (533) and meet, draw-in groove (534) have been seted up at the front end middle part in drain pan (531), middle part offsets with fastener (535) in draw-in groove (534), fastener (535) back is fixed with embedding piece (532) front end face middle part, buffering frame (536) have been cup jointed to embedding piece (532) external diameter surface lower extreme, the lower extreme meets in buffering frame (536) bottom and drain pan (531).
2. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the fixing strip (41) is in an inverted L shape, and the inner end of the top of the fixing strip (41) is attached to the bottom of the water absorbing layer (42).
3. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the thickness of the water absorption layer (42) is smaller than that of the filter screen (43), and the bottom of the filter screen (43) is opposite to the top of the scraping block (533).
4. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the middle part of the lower end in the supporting plate (3) is provided with a sliding groove, and the sliding block (52) is movably embedded into the sliding groove at the lower end of the supporting plate (3).
5. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the middle opening of the front end in the fixing plate (51) is square, and the scraping piece (53) is arranged in the opening of the front end of the fixing plate (51).
6. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the scraping block (533) is in a trapezoid shape, and the top surface of the scraping block (533) is smooth.
7. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the inner middle part of the clamping piece (535) is hollow, and the outer side of the clamping piece (535) has elasticity.
8. The dustproof and waterproof structure for the inside of the computer case according to claim 1, wherein: the thickness of the buffer frame (536) is 1cm, and the buffer frame (536) is tightly embedded into the lower end of the embedded block (532).
CN202110030213.9A 2021-01-11 2021-01-11 Dustproof and waterproof structure used inside computer case Active CN112698699B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110030213.9A CN112698699B (en) 2021-01-11 2021-01-11 Dustproof and waterproof structure used inside computer case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110030213.9A CN112698699B (en) 2021-01-11 2021-01-11 Dustproof and waterproof structure used inside computer case

Publications (2)

Publication Number Publication Date
CN112698699A CN112698699A (en) 2021-04-23
CN112698699B true CN112698699B (en) 2022-05-10

Family

ID=75513730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110030213.9A Active CN112698699B (en) 2021-01-11 2021-01-11 Dustproof and waterproof structure used inside computer case

Country Status (1)

Country Link
CN (1) CN112698699B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207601724U (en) * 2017-12-29 2018-07-10 东莞市拓朗工控设备有限公司 A kind of water proof and dust proof industrial control all-in-one machine
CN210515184U (en) * 2019-12-13 2020-05-12 郑州轻工业大学 Waterproof dustproof construction in computer
CN211786947U (en) * 2020-05-26 2020-10-27 重庆师范大学涉外商贸学院 Novel computer internal waterproof and dustproof structure
CN111975850A (en) * 2020-08-26 2020-11-24 泉州智驰自动化机械有限公司 Mechanical automation cuts device with dustproof function
CN212017157U (en) * 2019-12-18 2020-11-27 南安市硕丰机械科技有限公司 Single-machine filter drum dust remover
CN112097339A (en) * 2020-09-09 2020-12-18 广州国智机电设备有限公司 Air purification equipment for smart home based on Internet of things

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070215245A1 (en) * 2006-03-18 2007-09-20 Hiwin Technologies Corp. Anti-dust structure for a sliding block of a linear guideway

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207601724U (en) * 2017-12-29 2018-07-10 东莞市拓朗工控设备有限公司 A kind of water proof and dust proof industrial control all-in-one machine
CN210515184U (en) * 2019-12-13 2020-05-12 郑州轻工业大学 Waterproof dustproof construction in computer
CN212017157U (en) * 2019-12-18 2020-11-27 南安市硕丰机械科技有限公司 Single-machine filter drum dust remover
CN211786947U (en) * 2020-05-26 2020-10-27 重庆师范大学涉外商贸学院 Novel computer internal waterproof and dustproof structure
CN111975850A (en) * 2020-08-26 2020-11-24 泉州智驰自动化机械有限公司 Mechanical automation cuts device with dustproof function
CN112097339A (en) * 2020-09-09 2020-12-18 广州国智机电设备有限公司 Air purification equipment for smart home based on Internet of things

Also Published As

Publication number Publication date
CN112698699A (en) 2021-04-23

Similar Documents

Publication Publication Date Title
CN112698699B (en) Dustproof and waterproof structure used inside computer case
CN218168016U (en) Mechanical spare and accessory part belt cleaning device with quick waterlogging caused by excessive rainfall structure
CN216702471U (en) Base station and floor washing machine
CN215841962U (en) Filter equipment of usefulness is collected to sewage
CN216490010U (en) Dust cover convenient to clean of permanent magnet motor
CN210536722U (en) Lens shielding cover and sliding rail structure applied to mobile phone cover
CN219357112U (en) Edge sealing device of lower decorative plate of vehicle door
CN211777103U (en) Screen window frame convenient to wash and change gauze
CN211862658U (en) Window cleaning machine brush head with novel water collecting strip
CN218304460U (en) Hook assembly for sliding rail
CN218957165U (en) Wireless scanning gun for logistics storage
CN214855029U (en) Cleaning block and cleaning brush
CN215391159U (en) Double-glass solar energy assembly
CN214835768U (en) Aluminum alloy sliding door convenient to it is clean
CN201325432Y (en) Rocker connector used in windscreen wiper
CN110413066B (en) Dustproof structure for mechanical electrical appliance and dustproof method thereof
CN213518043U (en) Display for finance convenient to wash
CN210446886U (en) Detachable glass cleaner
CN218221600U (en) Dustproof filter screen structure for electronic case
CN211087134U (en) Teaching is with concatenation formula computer machine case
CN216827375U (en) Computer with deashing function
CN218872938U (en) Cleaning device for work piece production usefulness
CN214377053U (en) Real platform device of instructing of singlechip
CN217785633U (en) Automatic water squeezing device
CN218419680U (en) Scraping strip structure of roller and floor washing machine

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
GR01 Patent grant
GR01 Patent grant