CN106949613A - A kind of pressure fan and Rose Box Quick connection part - Google Patents
A kind of pressure fan and Rose Box Quick connection part Download PDFInfo
- Publication number
- CN106949613A CN106949613A CN201710336448.4A CN201710336448A CN106949613A CN 106949613 A CN106949613 A CN 106949613A CN 201710336448 A CN201710336448 A CN 201710336448A CN 106949613 A CN106949613 A CN 106949613A
- Authority
- CN
- China
- Prior art keywords
- pipe
- extension
- elastic hose
- rose box
- pressure fan
- 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
- 241000220317 Rosa Species 0.000 title claims abstract description 33
- 235000019994 cava Nutrition 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- -1 methyl silica gel Chemical compound 0.000 claims description 6
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000008363 butyronitriles Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of pressure fan and Rose Box Quick connection part, including pressure fan and Rose Box, pressure fan includes air-supply blast pipe and air-supply discharge pipe, Rose Box includes filtering inlet air pipe and filtering air outlet, outer wall one end of air-supply discharge pipe circumferentially caves inward to form extension discharge pipe, outer wall one end of Rose Box blast pipe circumferentially caves inward to form extension blast pipe, extension discharge pipe is respectively sleeved in extension discharge pipe by the two ends of elastic hose with extension blast pipe and extension blast pipe is realized and is tightly connected, it is cased with fixing pipe sleeve and the second fixation pipe sleeve for elastic hose to be fixed on into the first of extension discharge pipe and extension blast pipe on the outer surface of elastic hose.The present invention realizes quick connection using frictional force, and good appearance is simple to operate, easy for installation, saves human and material resources, reduces equipment later maintenance cost.
Description
Technical field
The invention belongs to pipe fitting joint structure technical field, more particularly to a kind of pressure fan and Rose Box are connected with quick
Part.
Background technology
In toilet ventilation equipment, it is related to the connectivity problem between a large amount of hard tubes.In the case of general, air inlet end and phase
Adjacent air opening end is tightly connected in order to be able to realize, the connection of two ends hard tube is typically employed to two kinds of welded type and clamping hoop type.
Welded type is to make the material fusion between the hard tube of two ends using various welding methods, is tightly connected so as to be formed.Though
The material cost that right welded type is used is relatively low, but human cost is of a relatively high, and low production efficiency, is unfavorable for extensive
Production.In addition, the flue dust produced in light pollution, welding process and splash etc. can be produced in welding process easily residues in pipe
In part.
Clamping hoop type generally coordinates the clip conical surface to produce tightening force using clip preassembling machine, the cutting edge of clip is cut hard tube table
The material in face, so as to fill the gap between clip and hard tube, when finally assembling screw thread tighten the conical surface tightening force of generation can
So that clip is sealed with hard tube.Clamping hoop type efficiency is higher, good appearance, but the price of material that clamping hoop type is used is held high
It is expensive.
The content of the invention
Present invention is primarily aimed at a kind of pressure fan and Rose Box Quick connection part is provided, realized using frictional force fast
Speed connection, good appearance is simple to operate, easy for installation, saves human and material resources, reduces equipment later maintenance cost.
In order to solve the above technical problems, the present invention is using a following technical scheme：A kind of pressure fan and Rose Box are used
Quick connection part, including pressure fan and Rose Box, the pressure fan include air-supply blast pipe and air-supply discharge pipe, the Rose Box
Including filtering inlet air pipe and filtering air outlet, outer wall one end of the air-supply discharge pipe circumferentially caves inward to form extension air-out
Pipe, outer wall one end of the Rose Box blast pipe circumferentially caves inward to form extension blast pipe, the extension discharge pipe with it is described
Extension blast pipe is respectively sleeved in the extension discharge pipe by the two ends of elastic hose and the extension blast pipe realizes that sealing connects
Connect, the first ring that a circle is used to fix one end of elastic hose is peripherally and outwardly convexed to form in the middle part of the outer wall of the extension discharge pipe
The other end of the circle for fixing elastic hose is peripherally and outwardly convexed to form in the middle part of shape flange collar, the outer wall of the extension blast pipe
Second ring-type flange collar, the inwall of the elastic hose circumferentially caves inward to be formed and the first ring-type flange collar and the second ring-type flange collar phase
The recessed circle of two loops of matching；
The elastic hose is round tube shape structure, and the inwall two ends of the elastic hose are peripherally and outwardly formed slopely inclination
The angle of face, the inclined plane and horizontal plane is 20-30 °, and the length of the elastic hose is 200-300mm and thickness is 3-
4mm, the length of the extension discharge pipe is 40-50mm, and the length of the extension blast pipe is 40-50mm, the inclined plane
Chamfer length is 4-6mm；
It is cased with being used on the outer surface of the elastic hose that the elastic hose is fixed on into the extension discharge pipe and institute
State the first of extension blast pipe and fix pipe sleeve and the second fixation pipe sleeve, described first, which fixes pipe sleeve and second, fixes the interior table of pipe sleeve
Face is provided with internal thread, and the outer surface two ends of the elastic hose are provided with external screw thread, and the internal thread and external screw thread matching connect
Connect；
It is described extension discharge pipe and the extension blast pipe external diameter all than the big 0.01-2mm of internal diameter of the elastic hose,
Described first, which fixes pipe sleeve and described second, fixes the internal diameter of pipe sleeve all than the small 0.01-2mm of external diameter of the elastic hose.
Further say, the angle of the inclined plane and horizontal plane is 30 °, the length of the elastic hose for 200mm and
Thickness is 3mm, and the length of the extension discharge pipe is 50mm, and the length of the extension blast pipe is 50mm, the inclined plane
Chamfer length is 6mm.
Further say, the external diameter of the extension discharge pipe is 100mm, and the external diameter of the extension blast pipe is 100mm, institute
The internal diameter for stating elastic hose is 99.5mm, and the external diameter of the elastic hose is 103.5mm, and described first fixes pipe sleeve and described the
Two internal diameters for fixing pipe sleeve are all 103mm.
Further say, the air-supply blast pipe and the air-supply discharge pipe are respectively positioned at the opposite side of the pressure fan
Top, the pressure fan is provided with a terminal box relative to the lower sidewall of Rose Box.
Further say, the elastic hose is rubber hose or silica gel hose.
Further say, the rubber hose is polyurethane rubber flexible pipe, ethylene propylene rubber flexible pipe or hydrogenated butyronitrile rubber
Glue flexible pipe.
Further say, the silica gel hose is methyl silica gel hose, phenyl silica gel hose or fluorine silica gel hose.
Further say, web plate is provided with the filtering air outlet.
Beneficial effects of the present invention at least have it is following some：
First, elastic hose two ends of the invention are respectively sleeved on extension discharge pipe and extension blast pipe, real using frictional force
Now quick connection, good appearance is simple to operate, easy for installation, saves human and material resources；
2nd, the inwall two ends of elastic hose of the invention are peripherally and outwardly formed slopely inclined plane, are easy to elastic hose two ends
It is placed on extension discharge pipe and extension blast pipe, the internal diameter of elastic hose is less than the external diameter of extension discharge pipe and extension blast pipe,
The high resiliency having in itself by elastic hose, can increase the sealing connected between extension discharge pipe and extension blast pipe；In addition
Elastic hose tool has good wearability, and resistance to chemical corrosion and ageing resistance are difficult aging of turning to be yellow, so that elastic hose
Service life increases, and can reduce equipment later maintenance cost；
3rd, the first fixation pipe sleeve of the invention and the second fixation pipe sleeve are threadingly attached to elastic hose two ends, first
Fixed pipe sleeve and the second internal diameter for fixing pipe sleeve are less than the external diameter of elastic hose, elastic hose is occurred compressive deformation, further
Increasing friction force, so as to increase the intensity and sealing connected between extension discharge pipe and extension blast pipe.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the pressure fan of the present invention and the structural representation of Rose Box；
Fig. 3 is the pressure fan of the present invention and the structural representation of Rose Box connection；
The mark of each part is as follows in accompanying drawing：
Pressure fan 1, Rose Box 2, air-supply blast pipe 3, air-supply discharge pipe 4, filtering inlet air pipe 5, filtering air outlet 6, extension
Discharge pipe 7, extension blast pipe 8, elastic hose 9, the first ring-type flange collar 10, the second ring-type flange collar 11, inclined plane 12, first are fixed
Pipe sleeve 13, second fixes pipe sleeve 14, terminal box 15, angle α, the length L1 of elastic hose, the length L2 for extending discharge pipe, extension
The length L3 and chamfer length L4 of blast pipe.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Embodiment：A kind of pressure fan and Rose Box Quick connection part, as Figure 1-3, the present invention include the He of pressure fan 1
Rose Box 2, the pressure fan 1 includes air-supply blast pipe 3 and air-supply discharge pipe 4, and the Rose Box 2 includes the He of filtering inlet air pipe 5
Air outlet 6 is filtered, outer wall one end of the air-supply discharge pipe 4 circumferentially caves inward to form extension discharge pipe 7, and the Rose Box enters
Outer wall one end of airduct 5 circumferentially caves inward to form extension blast pipe 8, and the extension discharge pipe 7 leads to the extension blast pipe 8
Cross elastic hose 9 two ends be respectively sleeved in it is described extension discharge pipe 7 and it is described extension blast pipe 8 realize be tightly connected, it is described to prolong
The first ring-type flange collar that a circle is used to fix one end of elastic hose 9 is peripherally and outwardly convexed to form in the middle part of the outer wall for stretching out airduct 7
10, peripherally and outwardly convexing to form a circle in the middle part of the outer wall of the extension blast pipe 8 is used to fix the of the other end of elastic hose 9
Two ring-type flange collars 11, the inwall of the elastic hose 9 circumferentially caves inward to form convex with the first ring-type flange collar 10 and the second ring-type
The recessed circle of two loops that circle 11 matches；
The elastic hose 9 is round tube shape structure, and the inwall two ends of the elastic hose 9 are peripherally and outwardly formed slopely inclination
Face 12, the inclined plane 12 is 20-30 ° with the angle α of horizontal plane, and the length L1 of the elastic hose is 200-300mm and thickness
Spend for 3-4mm, the length L2 of the extension discharge pipe is 40-50mm, and the length L3 of the extension blast pipe is 40-50mm, institute
The chamfer length L4 for stating inclined plane 12 is 4-6mm；
It is cased with being used on the outer surface of the elastic hose 9 that the elastic hose 9 is fixed on into the extension He of discharge pipe 7
The first of the extension blast pipe 8 fixes pipe sleeve 13 and second and fixes pipe sleeve 14, and described first, which fixes pipe sleeve 13 and second, fixes
The inner surface of pipe sleeve 14 is provided with internal thread, and the outer surface two ends of the elastic hose 9 are provided with external screw thread, the internal thread and described
External screw thread matching connection；
The external diameter of the extension discharge pipe 7 and the extension blast pipe 8 is all than the big 0.01- of internal diameter of the elastic hose 9
External diameter of the internal diameter of 2mm, the first fixation pipe sleeve 13 and the second fixation pipe sleeve 14 all than the elastic hose 9 is small
0.01-2mm。
The angle α of the inclined plane 12 and horizontal plane is 30 °, and the length L1 of the elastic hose is 200mm and thickness is
3mm, the length L2 of the extension discharge pipe is 50mm, and the length L3 of the extension blast pipe is 50mm, the inclined plane 12
Chamfer length L4 is 6mm.
The external diameter of the extension discharge pipe 7 is 100mm, and the external diameter of the extension blast pipe 8 is 100mm, and the elasticity is soft
The internal diameter of pipe 9 is 99.5mm, and the external diameter of the elastic hose 9 is 103.5mm, and described first, which fixes pipe sleeve 13 and described second, consolidates
The internal diameter of fixed tube set 14 is all 103mm.
The air-supply blast pipe 3 and the air-supply discharge pipe 4 are described respectively positioned at the top of the opposite side of the pressure fan
Pressure fan 1 is provided with a terminal box 15 relative to the lower sidewall of Rose Box 2.
The elastic hose 9 is rubber hose or silica gel hose.
The rubber hose is polyurethane rubber flexible pipe, ethylene propylene rubber flexible pipe or hydrogenated nitrile-butadiene rubber flexible pipe.
The silica gel hose is methyl silica gel hose, phenyl silica gel hose or fluorine silica gel hose.
Web plate is provided with the filtering air outlet 6
The operation principle of the present invention is as follows, and elastic hose two ends of the invention are respectively sleeved in extension discharge pipe and extension air intake
Guan Shang, quick connection is realized using frictional force, and production efficiency is high, and good appearance is simple to operate, easy for installation, save manpower and
Material resources；
The inwall two ends of the elastic hose of the present invention are peripherally and outwardly formed slopely inclined plane, are easy to elastic hose to be placed on extension
On discharge pipe and extension blast pipe, the internal diameter of elastic hose is less than the external diameter of extension discharge pipe and extension blast pipe, by elasticity
The high resiliency that flexible pipe has in itself, can increase the sealing connected between extension discharge pipe and extension blast pipe；Other elastic hose
Tool has good wearability, resistance to chemical corrosion and ageing resistance, aging of turning to be yellow is difficult, so that the service life of elastic hose
Increase, equipment later maintenance cost can be reduced；
The first fixation pipe sleeve of the present invention and the second fixation pipe sleeve are threadingly attached to elastic hose two ends, and first fixes
Pipe sleeve and the second internal diameter for fixing pipe sleeve are less than the external diameter of elastic hose, elastic hose is occurred compressive deformation, further increase
Frictional force, so as to increase the intensity and sealing connected between extension discharge pipe and extension blast pipe.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical fields are directly or indirectly used in,
Similarly it is included within the scope of the present invention.
Claims (8)
1. a kind of pressure fan and Rose Box Quick connection part, mainly including pressure fan (1) and Rose Box (2), it is characterised in that：
The pressure fan includes air-supply blast pipe (3) and air-supply discharge pipe (4), and the Rose Box includes filtering inlet air pipe (5) and filtering
Air outlet (6), outer wall one end of the air-supply discharge pipe circumferentially caves inward to form extension discharge pipe (7), and the Rose Box enters
Outer wall one end of airduct circumferentially caves inward to form extension blast pipe (8), and the extension discharge pipe leads to the extension blast pipe
Cross elastic hose (9) two ends be respectively sleeved in it is described extension discharge pipe and the extension blast pipe realize be tightly connected, it is described to prolong
The first ring-type flange collar that a circle is used to fix one end of elastic hose is peripherally and outwardly convexed to form in the middle part of the outer wall for stretching out airduct
(10), peripherally and outwardly convexing to form a circle in the middle part of the outer wall of the extension blast pipe is used to fix the of the other end of elastic hose
Two ring-type flange collars (11), the inwall of the elastic hose circumferentially caves inward to be formed and the first ring-type flange collar and the second ring-type flange collar
The recessed circle of two loops matched；
The elastic hose is round tube shape structure, and the inwall two ends of the elastic hose are peripherally and outwardly formed slopely inclined plane
(12), the angle (α) of the inclined plane and horizontal plane is 20-30 °, the length (L1) of the elastic hose for 200-300mm and
Thickness is 3-4mm, and the length (L2) of the extension discharge pipe is 40-50mm, and the length (L3) of the extension blast pipe is 40-
50mm, the chamfer length (L4) of the inclined plane is 4-6mm；
It is cased with being used to the elastic hose being fixed on the extension discharge pipe and described prolonging on the outer surface of the elastic hose
Put in the first of airduct and fix pipe sleeve (13) and the second fixation pipe sleeve (14), described first, which fixes pipe sleeve and second, fixes pipe sleeve
Inner surface is provided with internal thread, and the outer surface two ends of the elastic hose are provided with external screw thread, the internal thread and the external screw thread
With connection；
The external diameter of the extension discharge pipe and the extension blast pipe is described all than the internal diameter big 0.01-2mm of the elastic hose
First, which fixes pipe sleeve and described second, fixes the internal diameter of pipe sleeve all than the small 0.01-2mm of external diameter of the elastic hose.
2. a kind of pressure fan according to claim 1 and Rose Box Quick connection part, it is characterised in that：The inclined plane
Angle with horizontal plane is 30 °, and the length of the elastic hose is 200mm and thickness is 3mm, the length of the extension discharge pipe
For 50mm, the length of the extension blast pipe is 50mm, and the chamfer length of the inclined plane is 6mm.
3. a kind of pressure fan according to claim 1 and Rose Box Quick connection part, it is characterised in that：It is described to extend
The external diameter of airduct is 100mm, and the external diameter of the extension blast pipe is 100mm, and the internal diameter of the elastic hose is 99.5mm, described
The external diameter of elastic hose is 103.5mm, and the first fixation pipe sleeve and the described second internal diameter for fixing pipe sleeve are all 103mm.
4. a kind of pressure fan according to claim 1 and Rose Box Quick connection part, it is characterised in that：It is described blow into
Airduct and the air-supply discharge pipe are respectively positioned at the top of the opposite side of the pressure fan, and the pressure fan is relative to Rose Box
Lower sidewall is provided with a terminal box (15).
5. a kind of pressure fan according to claim 1 and Rose Box Quick connection part, it is characterised in that：The elasticity is soft
Manage as rubber hose or silica gel hose.
6. a kind of pressure fan according to claim 5 and Rose Box Quick connection part, it is characterised in that：The rubber is soft
Manage as polyurethane rubber flexible pipe, ethylene propylene rubber flexible pipe or hydrogenated nitrile-butadiene rubber flexible pipe.
7. the fast joint structure of a kind of pressure fan according to claim 5 and Rose Box, it is characterised in that：The silica gel
Flexible pipe is methyl silica gel hose, phenyl silica gel hose or fluorine silica gel hose.
8. a kind of pressure fan according to claim 1 and Rose Box Quick connection part, it is characterised in that：It is described to filter out
Web plate is provided with air port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336448.4A CN106949613A (en) | 2017-05-13 | 2017-05-13 | A kind of pressure fan and Rose Box Quick connection part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336448.4A CN106949613A (en) | 2017-05-13 | 2017-05-13 | A kind of pressure fan and Rose Box Quick connection part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106949613A true CN106949613A (en) | 2017-07-14 |
Family
ID=59478623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710336448.4A Pending CN106949613A (en) | 2017-05-13 | 2017-05-13 | A kind of pressure fan and Rose Box Quick connection part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106949613A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654224A (en) * | 2012-05-04 | 2012-09-05 | 山东鼎鑫矿用新材料有限公司 | Quick connection joint for plastic pipeline |
| CN204164557U (en) * | 2014-10-08 | 2015-02-18 | 福建省亚通创新集团有限公司 | Thin-wall plastic pipe Quick connection part |
| CN204554170U (en) * | 2015-03-09 | 2015-08-12 | 衡阳天伦机电有限公司 | A kind of flexible pipe and hard tube of making carries out the structure be connected fast |
| CN205896504U (en) * | 2016-08-19 | 2017-01-18 | 上海小糸车灯有限公司 | Rubber hollow tube constructs with fixed knot of plastic connector |
| CN206724432U (en) * | 2017-05-13 | 2017-12-08 | 昆山斯莱姆节能科技有限公司 | A kind of pressure fan and Rose Box Quick connection part |
-
2017
- 2017-05-13 CN CN201710336448.4A patent/CN106949613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654224A (en) * | 2012-05-04 | 2012-09-05 | 山东鼎鑫矿用新材料有限公司 | Quick connection joint for plastic pipeline |
| CN204164557U (en) * | 2014-10-08 | 2015-02-18 | 福建省亚通创新集团有限公司 | Thin-wall plastic pipe Quick connection part |
| CN204554170U (en) * | 2015-03-09 | 2015-08-12 | 衡阳天伦机电有限公司 | A kind of flexible pipe and hard tube of making carries out the structure be connected fast |
| CN205896504U (en) * | 2016-08-19 | 2017-01-18 | 上海小糸车灯有限公司 | Rubber hollow tube constructs with fixed knot of plastic connector |
| CN206724432U (en) * | 2017-05-13 | 2017-12-08 | 昆山斯莱姆节能科技有限公司 | A kind of pressure fan and Rose Box Quick connection part |
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| 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: 20170714 |