CN108818964A - A kind of building punching dust-proof device - Google Patents
A kind of building punching dust-proof device Download PDFInfo
- Publication number
- CN108818964A CN108818964A CN201810803143.4A CN201810803143A CN108818964A CN 108818964 A CN108818964 A CN 108818964A CN 201810803143 A CN201810803143 A CN 201810803143A CN 108818964 A CN108818964 A CN 108818964A
- Authority
- CN
- China
- Prior art keywords
- extension
- telescopic rod
- main body
- screw thread
- dust
- 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.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 4
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 6
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009298 carbon filtering Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of building punching dust-proof devices,Including apparatus main body,The inner upper of described device main body is fixed with telescopic rod,One end of the telescopic rod is fixed with spongy layer,And the inside of the telescopic rod is fixed with spring,Described device main body is internally provided with activated charcoal strainer,The inside of the activated charcoal strainer, which is run through, through-hole,This kind builds punching and dust-proof device is provided with telescopic rod and activated charcoal strainer,Spring is provided in telescopic rod,Telescopic spring shrinks telescopic rod,Telescopic rod shrinks the socket range for expanding the device,Improve the scope of application of the device,The device is set to be applicable in the punch of more polytypic,And the position of telescopic rod and punch contact is additionally provided with spongy layer,It can prevent telescopic rod from scratching punch,Activated charcoal strainer is located at the lower section of telescopic rod,Activated charcoal strainer can adsorb dust,Prevent dust from being leaked out by the gap between telescopic rod,Improve anti-fugitive dust effect.
Description
Technical field
The present invention relates to anti-fugitive dust technical field, specially a kind of building punching dust-proof device.
Background technique
Fugitive dust is the opening for being flown upward and being entered atmosphere in wind-force, artificial drive and other drives due to the dust on ground
Pollution sources are the important components of overall suspended pellet in surrounding air, and dust pollution refers to that muddy ground is exposed, and in room
Room construction, road and pipeline construction, house breaking, material transportation, material stacking, road cleaning, plant cultivating and maintenance
Dust particle is generated in equal human activities, is polluted caused by atmosphere, is also easy to produce the material of dust pollution, refer to coal, road
Road surface dust, arable soil, city exposed ground, greening superelevation soil, sandstone, dirt, mortar, emplaster, building waste, engineering dregs
Etc. the material for being also easy to produce dust particle.
Existing building punching dust-proof device be typically all be socketed on punch, due to punch type not
Together, cause existing building punching dust-proof device that can only be applicable in the punch of fraction type, influence the anti-fugitive dust in this way
The scope of application of device, when staff is not suitable for this kind of dust-proof device using punch, it is necessary to which replacement is applicable in this and prevents raising
The punch of dirt device is punched, and wastes the time of staff, while existing building punching dust-proof device is general
It is unable to collapsing length, since the grooved bit of punch is different in size, when the grooved bit of punch is longer than existing anti-fugitive dust
When device, dust-proof device just loses anti-fugitive dust effect.Summary of the invention
The purpose of the present invention is to provide a kind of building punching dust-proof devices, to solve to propose in above-mentioned background technique
Applicable punch range is small and grooved bit is longer than dust-proof device can make dust-proof device lose anti-fugitive dust effect problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of building punching dust-proof device, including dress
Main body is set, the inner upper of described device main body is fixed with telescopic rod, and one end of the telescopic rod is fixed with spongy layer, and described
The inside of telescopic rod is fixed with spring, and described device main body is internally provided with activated charcoal strainer, the activated charcoal strainer
Inside through there is a through-hole, the lower inside of described device main body is fixed with the first screw thread, the lower section setting of described device main body
There is the first extension, the outer surface of first extension is fixedly arranged above the first screw thread, and the inside of first extension
Lower section is provided with the second screw thread, and the second extension, the appearance of second extension are provided with below first extension
It is provided with the second screw thread above face, and the lower inside of second extension is provided with third screw thread, described device main body, the
Elastic metallic cover is socketed with below the outer surface of one extension and the second extension.
Preferably, the lower inside of described device main body has the first extension by the first screw thread and the first screw thread dismantling connection
Pipe.
Preferably, the lower inside of first extension has second to prolong by the second screw thread and the second screw thread dismantling connection
Stretch pipe.
Preferably, described device main body, the first extension and the second extension are made by transparent plastic material, and
The inner surface of described device main body, the first extension and the second extension is smooth.
Preferably, the telescopic rod is provided with multiple, and the other end of the telescopic rod is connected to by welding
The inner upper of apparatus main body.
Preferably, the both ends of the spring are connected to the inside two sides of telescopic rod, and the spring is by manganese steel material
It is made.
Compared with prior art, the beneficial effects of the invention are as follows：This kind building punching is provided with flexible with dust-proof device
Bar and activated charcoal strainer are provided with spring in telescopic rod, and telescopic spring shrinks telescopic rod, and telescopic rod, which is shunk, expands the device
Socket range, improve the scope of application of the device, the device made to be applicable in the punch of more polytypic, and telescopic rod and punching
The position of device contact is additionally provided with spongy layer, can prevent telescopic rod from scratching punch, activated charcoal strainer is located under telescopic rod
Side, activated charcoal strainer can adsorb dust, prevent dust from being leaked out by the gap between telescopic rod, improve anti-fugitive dust effect, simultaneously
This kind builds punching and dust-proof device is provided with the first extension and the second extension, and the first extension and the second extension can
With dismantling connection, in this way when there is the perforating head of punch, staff only need the first extension and the second extension and
Device connection, extends the length of the device, can improve the type that the device is applicable in different length perforating head in this way, prevent grooved bit
Head, which is longer than dust-proof device, can make dust-proof device lose anti-fugitive dust effect, further increase the adaptation range of the device, and
First extension and the second extension are made by transparent plastic, will not influence the operation of staff.Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is apparatus of the present invention body sections structural schematic diagram；
Fig. 3 is apparatus of the present invention main body overlooking structure diagram.
In figure：1, apparatus main body, the 2, first screw thread, the 3, first extension, the 4, first screw thread, the 5, second extension, 6, stretch
Contracting bar, 7, activated charcoal strainer, 8, spring, 9, spongy layer, 10, through-hole, the 11, second screw thread, the 12, second screw thread, 13, third silk
Button,
14, elastic metallic cover.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution：A kind of building punching dust-proof device, including device
Main body 1, the first screw thread 2, the first extension 3, the first screw thread 4, the second extension 5, telescopic rod 6, activated charcoal strainer 7, spring
8, spongy layer 9, through-hole 10, the second screw thread 11, the second screw thread 12, third screw thread 13 and elastic metallic cover 14, described device main body 1
Inner upper be fixed with telescopic rod 6, the telescopic rod 6 is provided with multiple, and the other end of the telescopic rod 6 passes through welding
Mode is connected to the inner upper of apparatus main body 1, makes the connection of telescopic rod 6 and apparatus main body 1 stronger in this way, described device master
The lower inside of body 1 has the first extension 3 by the first screw thread 2 and 4 dismantling connection of the first screw thread, can facilitate staff in this way
The first extension 3 is installed or removed, the lower inside of first extension 3 is dismantled by the second screw thread 11 and the second screw thread 12
It is connected with the second extension 5, staff can be facilitated to install or remove the second extension 5, described device main body 1, first in this way
Extension 3 and the second extension 5 are made by transparent plastic material, and described device main body 1, the first extension 3 and
The inner surface of two extensions 5 it is smooth so that it is convenient to staff punch, also facilitate staff clear up punching generate dust,
One end of the telescopic rod 6 is fixed with spongy layer 9, and the inside of the telescopic rod 6 is fixed with spring 8, the both ends of the spring 8
The inside two sides of telescopic rod 6 are connected to, and the spring 8 is made by manganese steel material, make 8 mass of spring so more
It is good, extend the service life of spring 8, described device main body 1 is internally provided with activated charcoal strainer 7, the active carbon filtering
The inside of net 7 is through there is through-hole 10, and the lower inside of described device main body 1 is fixed with the first screw thread 2, described device main body 1
Lower section is provided with the first extension 3, and the outer surface of first extension 3 is fixedly arranged above the first screw thread 4, and described first prolongs
The lower inside for stretching pipe 3 is provided with the second screw thread 11, and the lower section of first extension 3 is provided with the second extension 5, and described
It is provided with the second screw thread 12 above the outer surface of two extensions 5, and the lower inside of second extension 5 is provided with third silk
The outer surface lower section of button 13, described device main body 1, the first extension 3 and the second extension 5 is socketed with elastic metallic cover 14.
Working principle：Firstly, staff detects the device, whether there is or not structural failures, if there is structural failure needs immediately more
It changes, the contraction of telescopic rod 6 shrinks spring 8 by the personnel that proceed with one's work, then the head of punch and drill bit are inserted into the device, makes
Drill bit extends to the lower inside of the device by through-hole 10, and then unclamping telescopic rod 6 makes spring 8 reply original state, stretches
The heading of contracting bar 6 toward punch squeezes, and so that 9 extruder head of spongy layer is fixed the device, pastes by elastic metallic cover 14
Tight punching metope, makes bit contact wall and starts to punch, then when drill bit is longer than the device, staff can lead to
It crosses the first screw thread 4 and first extension 3 is installed on the device lower inside, then punched, if when length not enough can be with
Second extension 5 is mounted on to by the second screw thread 12 lower inside of first extension 3 again, is punched, finally, having punched
Cheng Hou, staff this device is dismantled get off to prevent shady place save.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of building punching dust-proof device, including apparatus main body (1), it is characterised in that：Described device main body (1) it is interior
Portion is fixedly arranged above telescopic rod (6), and one end of the telescopic rod (6) is fixed with spongy layer (9), and the telescopic rod (6) is interior
Portion is fixed with spring (8), and described device main body (1) is internally provided with activated charcoal strainer (7), the activated charcoal strainer
(7) through having through-hole (10), the lower inside of described device main body (1) is fixed with the first screw thread (2), described device master for inside
It is provided with below body (1) the first extension (3), the outer surface of first extension (3) is fixedly arranged above the first screw thread
(4), and the lower inside of first extension (3) is provided with the second screw thread (11), is set below first extension (3)
It is equipped with the second extension (5), is provided with the second screw thread (12) above the outer surface of second extension (5), and described second
The lower inside of extension (5) is provided with third screw thread (13), and described device main body (1), the first extension (3) and second extend
It manages and is socketed with elastic metallic cover (14) below the outer surface of (5).
2. a kind of building punching dust-proof device according to claim 1, it is characterised in that：Described device main body (1)
Lower inside have the first extension (3) by the first screw thread (2) and the first screw thread (4) dismantling connection.
3. a kind of building punching dust-proof device according to claim 1, it is characterised in that：First extension
(3) lower inside has the second extension (5) by the second screw thread (11) and the second screw thread (12) dismantling connection.
4. a kind of building punching dust-proof device according to claim 1, it is characterised in that：Described device main body (1),
First extension (3) and the second extension (5) are made by transparent plastic material, and described device main body (1), first are prolonged
The inner surface for stretching pipe (3) and the second extension (5) is smooth.
5. a kind of building punching dust-proof device according to claim 1, it is characterised in that：The telescopic rod (6) sets
It is equipped with multiple, and the other end of the telescopic rod (6) is connected to the inner upper of apparatus main body (1) by welding.
6. a kind of building punching dust-proof device according to claim 1, it is characterised in that：The two of the spring (8)
End is connected to the inside two sides of telescopic rod (6), and the spring (8) is made by manganese steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803143.4A CN108818964A (en) | 2018-07-20 | 2018-07-20 | A kind of building punching dust-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803143.4A CN108818964A (en) | 2018-07-20 | 2018-07-20 | A kind of building punching dust-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108818964A true CN108818964A (en) | 2018-11-16 |
Family
ID=64139397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803143.4A Pending CN108818964A (en) | 2018-07-20 | 2018-07-20 | A kind of building punching dust-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108818964A (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007083345A (en) * | 2005-09-22 | 2007-04-05 | Fujitsu Support & Service Kk | Dust collector |
| CN2908667Y (en) * | 2006-05-31 | 2007-06-06 | 马运亮 | Dust-proof cover of impact drill |
| EP1842612A1 (en) * | 2006-04-07 | 2007-10-10 | Makita Corporation | Dust collecting cup |
| CN201534233U (en) * | 2009-08-31 | 2010-07-28 | 浙江科技学院 | Electric drill dustproof cover |
| CN202186764U (en) * | 2011-07-29 | 2012-04-11 | 登封市君鑫煤业有限责任公司 | Adjustable inverted telescopic dust-proof device |
| TW201317067A (en) * | 2011-10-28 | 2013-05-01 | Chao-Yang Chen | Positioning cover for electric drill dustproof cover and dustproof cover using the same |
| CN103101033A (en) * | 2012-11-13 | 2013-05-15 | 苏州雍阳装饰材料有限公司 | Percussion drilling dust guard |
| CN203125490U (en) * | 2013-04-11 | 2013-08-14 | 王安泽 | Dustproof cover for percussion drill |
| US20140037392A1 (en) * | 2012-08-06 | 2014-02-06 | Wen Liang Lo | Dust Collection Hood of Electric Hand Tool |
| CN204108375U (en) * | 2014-10-11 | 2015-01-21 | 盐城工学院 | A kind of electric hand drill with dust collection function |
| CN105364590A (en) * | 2015-12-14 | 2016-03-02 | 苏州市吴中区大陆电子设备厂 | Single-induction pneumatic cylinder perforating clamp |
| CN205310461U (en) * | 2015-12-25 | 2016-06-15 | 重庆聚瑞化工新材料有限公司 | Wood working dust extraction |
| KR101692912B1 (en) * | 2014-09-24 | 2017-01-04 | 이재호 | Scattering prevention cover for electric drill |
| CN206253682U (en) * | 2016-12-14 | 2017-06-16 | 新昌县大市聚镇职业中学 | A kind of Multifunctional dust collecting electric drill |
| CN106975981A (en) * | 2017-06-01 | 2017-07-25 | 李从宾 | A kind of broach shell clamping device of Digit Control Machine Tool |
| CN206351499U (en) * | 2016-11-30 | 2017-07-25 | 天津颐事达科技有限公司 | A kind of dust protected manual feed cutting machine |
| CN107322816A (en) * | 2017-08-31 | 2017-11-07 | 江苏美杰磨具科技有限公司 | A kind of diamond saw blade |
| CN107669169A (en) * | 2017-11-13 | 2018-02-09 | 宁波远大电器有限公司 | A kind of domestic stirrer of convenient cleaning |
| CN207043376U (en) * | 2017-08-10 | 2018-02-27 | 天津欧特美盛精密机械科技有限公司 | A kind of boring safety device of bicycle stand |
| CN108083387A (en) * | 2017-12-19 | 2018-05-29 | 成都市瑞焱科技有限公司 | A kind of scraper of device for electrochemical water preparation |
-
2018
- 2018-07-20 CN CN201810803143.4A patent/CN108818964A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007083345A (en) * | 2005-09-22 | 2007-04-05 | Fujitsu Support & Service Kk | Dust collector |
| EP1842612A1 (en) * | 2006-04-07 | 2007-10-10 | Makita Corporation | Dust collecting cup |
| CN2908667Y (en) * | 2006-05-31 | 2007-06-06 | 马运亮 | Dust-proof cover of impact drill |
| CN201534233U (en) * | 2009-08-31 | 2010-07-28 | 浙江科技学院 | Electric drill dustproof cover |
| CN202186764U (en) * | 2011-07-29 | 2012-04-11 | 登封市君鑫煤业有限责任公司 | Adjustable inverted telescopic dust-proof device |
| TW201317067A (en) * | 2011-10-28 | 2013-05-01 | Chao-Yang Chen | Positioning cover for electric drill dustproof cover and dustproof cover using the same |
| US20140037392A1 (en) * | 2012-08-06 | 2014-02-06 | Wen Liang Lo | Dust Collection Hood of Electric Hand Tool |
| CN103101033A (en) * | 2012-11-13 | 2013-05-15 | 苏州雍阳装饰材料有限公司 | Percussion drilling dust guard |
| CN203125490U (en) * | 2013-04-11 | 2013-08-14 | 王安泽 | Dustproof cover for percussion drill |
| KR101692912B1 (en) * | 2014-09-24 | 2017-01-04 | 이재호 | Scattering prevention cover for electric drill |
| CN204108375U (en) * | 2014-10-11 | 2015-01-21 | 盐城工学院 | A kind of electric hand drill with dust collection function |
| CN105364590A (en) * | 2015-12-14 | 2016-03-02 | 苏州市吴中区大陆电子设备厂 | Single-induction pneumatic cylinder perforating clamp |
| CN205310461U (en) * | 2015-12-25 | 2016-06-15 | 重庆聚瑞化工新材料有限公司 | Wood working dust extraction |
| CN206351499U (en) * | 2016-11-30 | 2017-07-25 | 天津颐事达科技有限公司 | A kind of dust protected manual feed cutting machine |
| CN206253682U (en) * | 2016-12-14 | 2017-06-16 | 新昌县大市聚镇职业中学 | A kind of Multifunctional dust collecting electric drill |
| CN106975981A (en) * | 2017-06-01 | 2017-07-25 | 李从宾 | A kind of broach shell clamping device of Digit Control Machine Tool |
| CN207043376U (en) * | 2017-08-10 | 2018-02-27 | 天津欧特美盛精密机械科技有限公司 | A kind of boring safety device of bicycle stand |
| CN107322816A (en) * | 2017-08-31 | 2017-11-07 | 江苏美杰磨具科技有限公司 | A kind of diamond saw blade |
| CN107669169A (en) * | 2017-11-13 | 2018-02-09 | 宁波远大电器有限公司 | A kind of domestic stirrer of convenient cleaning |
| CN108083387A (en) * | 2017-12-19 | 2018-05-29 | 成都市瑞焱科技有限公司 | A kind of scraper of device for electrochemical water preparation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206593279U (en) | A kind of computer room air intake dust guard | |
| CN108481273A (en) | A kind of anti-airborne dust equipment of building punching | |
| CN108818964A (en) | A kind of building punching dust-proof device | |
| CN104847397B (en) | One kind is used for Safety of Coal Mine Production tunnel deduster | |
| CN207469159U (en) | A kind of engineering cleaning equipment | |
| CN205683739U (en) | A kind of novel filter bag type dust arrester | |
| CN212715221U (en) | Municipal administration is lattice roof beam for ecological restoration | |
| CN105317075A (en) | Rainwater collection device | |
| CN209468511U (en) | A kind of earth of positive pole cleaning plant of electrolytic lead anode plate | |
| CN208275192U (en) | A kind of Environmental-protection dust removal device of building engineering construction | |
| CN114570128A (en) | High-efficient dust collector of building civil engineering | |
| CN209569742U (en) | A kind of power plant boiler cleaning plant | |
| CN207667316U (en) | Central dust-collection device | |
| CN205146800U (en) | Computer machine case dust collector | |
| CN208728304U (en) | A kind of soil remediation easy device of combination chemical leaching | |
| CN205032001U (en) | Bagfilter | |
| CN212927929U (en) | A dust keeper for mining environment in mine | |
| CN206241990U (en) | A kind of dust-proof dust-removing workbench | |
| CN117258454B (en) | Dust fall equipment that building engineering construction was used | |
| CN215427909U (en) | Anhydrous raise dust processing apparatus for building engineering | |
| CN217176541U (en) | Dust suction device of side slope pre-splitting drilling equipment | |
| CN216726482U (en) | Construction engineering is dust collector for hole construction | |
| CN104153316B (en) | The scavenge unit of bulk goods blanking in a kind of railway tunnel | |
| CN204059256U (en) | The scavenge unit of bulk goods blanking in a kind of railway tunnel | |
| CN219399269U (en) | Municipal administration sewage pipe network filter equipment |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |