CN106763897A - A kind of controlling switch valve of dental units - Google Patents
A kind of controlling switch valve of dental units Download PDFInfo
- Publication number
- CN106763897A CN106763897A CN201611260174.7A CN201611260174A CN106763897A CN 106763897 A CN106763897 A CN 106763897A CN 201611260174 A CN201611260174 A CN 201611260174A CN 106763897 A CN106763897 A CN 106763897A
- Authority
- CN
- China
- Prior art keywords
- diameter
- cavity
- left end
- pressing piece
- minor diameter
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A kind of controlling switch valve of dental units, including shell, pressing piece and driven member, second air inlet are arranged on the lateral wall of the minor diameter cavity, and near the right side of the major diameter cavity and the position that crosses of minor diameter cavity;The left end of the pressing piece is stretched into the small diameter cavity body, and its right-hand member stays in the outside of the hollow cavity;The inside of the pressing piece is provided with the bleeder port being in communication with the outside;The driven member is followed successively by pressure section, installation portion and auxiliary section from left to right, and the external diameter of the pressure section is suitable with the internal diameter of the major diameter cavity, and its right side props up the right side of the major diameter cavity;Internal diameter of the external diameter of the installation portion and auxiliary section less than the minor diameter cavity, and the external diameter of the installation portion is less than the external diameter of the auxiliary section, the first ring set is provided with the installation portion, the external diameter of first sealing ring is suitable with the internal diameter of the minor diameter cavity.
Description
Technical field
The present invention relates to dental equipment field, the controlling switch valve of particularly a kind of dental units.
Background technology
Dental therapeutic apparatus are the treatment essential equipment of tooth.Dental units are typically necessary gas and water and electricity,
All it is under normal circumstances to set separate independent switch to control gas and water and electricity, gas and water to be provided by extraneous source of the gas and water source,
In the case of no source of the gas, the operation of doctor is very inconvenient, accordingly, it would be desirable to preferably control source of the gas and water source.
For current dental units, gas source switch and water source switch are generally ball valve switch, respectively independent switch,
There is no coordinated signals, convenience and security are all general., it is necessary to opening gas source switch and water source switch can respectively during operation
Ensure the supply of gas and water, some are complicated for operation, and do not have coordinated signals between gas source switch and water source switch,
Switch is too many, causes the laying of circuit also complex.
The content of the invention
For drawbacks described above, the controlling switch valve it is an object of the invention to propose a kind of dental units.
It is that, up to this purpose, the present invention uses following technical scheme:
A kind of controlling switch valve of dental units, including shell, pressing piece and driven member, are provided with the shell and run through
The hollow cavity of its both ends of the surface, the hollow cavity includes interconnected major diameter cavity and minor diameter cavity, the pressing
Part and driven member are sleeved in the hollow cavity, and both can be in the presence of external pressure along the axle of the hollow cavity
To motion;The lateral wall of the hollow cavity is provided with the first air inlet and the second air inlet being in communication with the outside, it is characterised in that:
Second air inlet is arranged on the lateral wall of the minor diameter cavity, and near the major diameter cavity and small
The right side of the position that crosses of diameter cavity;
The left end of the pressing piece is stretched into the small diameter cavity body, and its right-hand member stays in the outside of the hollow cavity;Institute
The inside for stating pressing piece is provided with the bleeder port being in communication with the outside;
The driven member is followed successively by pressure section, installation portion and auxiliary section from left to right, and the external diameter of the pressure section is less than institute
The internal diameter of major diameter cavity is stated, more than the internal diameter of the minor diameter cavity, the right side of the pressure section props up the major diameter
The right side of cavity;The external diameter of the installation portion and auxiliary section less than the minor diameter cavity internal diameter, and the installation portion
External diameter is provided with the first ring set on the installation portion less than the external diameter of the auxiliary section, first sealing ring it is outer
Footpath is suitable with the internal diameter of the minor diameter cavity;Accommodating chamber is provided with the auxiliary section, the side wall of the accommodating chamber is provided with and makes
Its passage being in communication with the outside, the passage and the second air inlet are completely wrong on the axial location of the hollow cavity
Open;The left end of the pressing piece is inserted into the accommodating chamber, is covered between the left side of the pressing piece and the end face of accommodating chamber
Equipped with the second sealing ring.
Preferably, the lateral wall of the auxiliary section is the taper that external diameter is gradually reduced from left to right.
Preferably, it is provided with the major diameter cavity and compresses spring, the left end for compressing spring props up the major diameter
The left side of cavity, its right-hand member props up the left side of the pressure section of the driven member.
Preferably, assembling step is fixed with the left side of the pressure section, the external diameter of the assembling step is supported with described
Quite, the right-hand member for compressing spring is sleeved on the assembling step internal diameter of pressing spring.
Preferably, the low order end of the pressing piece is provided with spacing ring, and the external diameter of the spacing ring is more than the small diameter cavity
The internal diameter of body;
Pressing spring housing is provided with mounted in the pressing piece, the right side that the shell is propped up by the left end of pressing spring,
And its right-hand member props up the left side of the spacing ring.
Preferably, the pressing piece includes the left end minor diameter and the right-hand member major diameter portion that are connected with each other, and the left end is small
The external diameter in diameter portion less than the accommodating chamber internal diameter, the internal diameter of the external diameter in the right-hand member major diameter portion and the minor diameter cavity
Quite;
Pressing spring housing is provided with mounted in the left end minor diameter, the left end of the left end minor diameter stretches into the receiving
In chamber, the right side that the auxiliary section is propped up by the left end of pressing spring, its right-hand member props up the left end minor diameter and the right side
End major diameter portion crosses the step end face to be formed.
Preferably, stretch into and two sealing rings are set with the pressing piece in the small diameter cavity body, two described close
Seal is disposed on the pressing piece.
Preferably, the left end of the hollow cavity is total air inlet, and gas is provided with by sealing ring on total air inlet
Mouth.
Beneficial effects of the present invention:Gases at high pressure enter in shell from total air inlet, from the first air inlet and the second air inlet
Used in the dentistry machine for entering front end after mouth ejection.Pressing piece is pressed to the left, the cooperation of its left end minor diameter and driven member
There is relative displacement in portion so that the side wall of left end minor diameter seals passage, and gases at high pressure are by major diameter cavity and greatly
The position of transition between diameter cavity and minor diameter cavity, sprays finally by the second air inlet.Pressing piece is decontroled, its bullet to the right
Property recover, the right side of the pressure section props up the right side of the major diameter cavity, separates major diameter cavity and small diameter cavity
Connection between body, while left end minor diameter occurs relative displacement with the auxiliary section of driven member so that left end minor diameter
End face comes the lower section of passage, the gases at high pressure in the dentistry machine of front end along low-pressure channel, from the second air inlet, again
Return in small diameter cavity body, and entered in bleeder port from the left end of the pressing piece by passage, the external world is discharged to, so that suitable
Profit completes the discharge of gases at high pressure, it is ensured that the safe handling of front end dental equipment.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the structural representation of an alternative embodiment of the invention.
Wherein:Shell 1, hollow cavity 10, the first air inlet 11, the second air inlet 12, total air inlet 13, major diameter cavity
101, minor diameter cavity 102;
Pressing piece 2, spacing ring 21, left end minor diameter 201, right-hand member major diameter portion 202, step end face 203;Driven member 3,
Pressure section 31, assembles step 310, installation portion 32, auxiliary section 33, accommodating chamber 330, passage 331;First sealing ring 41, second
Sealing ring 42, sealing ring 43;Compress spring 5, valve 6, by pressing spring 7.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
As shown in Figures 1 and 2, a kind of controlling switch valve of dental units, including shell 1, pressing piece 2 and driven member 3,
The hollow cavity 10 through its both ends of the surface is provided with the shell 1, the hollow cavity 10 includes interconnected major diameter chamber
Body 101 and minor diameter cavity 102, the pressing piece 2 and driven member 3 are sleeved in the hollow cavity 10, and both can be outside
Along the axial movement of the hollow cavity 10 in the presence of portion's pressure;The lateral wall of the hollow cavity 10 is provided with the external world even
Logical the first air inlet 11 and the second air inlet 12;
Second air inlet 12 is arranged on the lateral wall of the minor diameter cavity 102, and near the major diameter chamber
The right side of the position that crosses of body 101 and minor diameter cavity 102;
The left end of the pressing piece 2 is stretched into the minor diameter cavity 102, and its right-hand member stays in the outer of the hollow cavity 10
Side;The inside of the pressing piece 2 is provided with the bleeder port 21 being in communication with the outside;
The driven member 3 is followed successively by pressure section 31, installation portion 32 and auxiliary section 33 from left to right, outside the pressure section 31
Footpath is less than the internal diameter of the major diameter cavity 101, more than the internal diameter of the minor diameter cavity 102, the right-hand member of the pressure section 31
Face props up the right side of the major diameter cavity 101;The external diameter of the installation portion 32 and auxiliary section 33 is less than the small diameter cavity
The internal diameter of body 102, and the installation portion 32 external diameter less than the auxiliary section 33 external diameter, be provided with the first sealing ring 41 and be sleeved on
On the installation portion 32, the external diameter of first sealing ring 41 is suitable with the internal diameter of the minor diameter cavity 102;The auxiliary section
Accommodating chamber 330 is provided with 33, the side wall of the accommodating chamber 330 is provided with the passage 331 for making it be in communication with the outside, the ventilation
Stagger completely on the axial location of the hollow cavity 10 with the second air inlet 12 in hole 331;The left end inserting of the pressing piece 2
In the accommodating chamber 330, the second sealing ring 42 is set between the left side of the pressing piece 2 and the end face of accommodating chamber 330.
Gases at high pressure enter in shell from total air inlet 13, enter after being sprayed from the first air inlet 11 and the second air inlet 12
Used in the dentistry machine of front end.Pressing piece 2 is pressed to the left, and its left end minor diameter 201 occurs with the auxiliary section 33 of driven member 3
Relative displacement so that the side wall of left end minor diameter 201 seals passage 331, gases at high pressure by major diameter cavity 101 and
The position of transition between major diameter cavity 101 and minor diameter cavity 102, sprays finally by the second air inlet 12.Decontrol pressing
Part 2, its elasticity recovery to the right, the right side of the pressure section 31 props up the right side of the major diameter cavity 101, and cut-off is big straight
Connection between footpath cavity 101 and minor diameter cavity 102, while left end minor diameter 201 occurs with the auxiliary section 33 of driven member 3
Relative displacement so that the end face of left end minor diameter 201 comes the lower section of passage 331, the high pressure in the dentistry machine of front end
Gas, from the second air inlet 12, is come back in minor diameter cavity 102 along low-pressure channel, and by passage 331 from described
The left end of pressing piece 2 enters in bleeder port 21, the external world is discharged to, so as to smoothly complete the discharge of gases at high pressure, it is ensured that front end tooth
The safe handling of section's equipment.
The lateral wall of the auxiliary section 33 is the taper that external diameter is gradually reduced from left to right.
It is provided with the major diameter cavity 101 and compresses spring 5, the left end for compressing spring 5 props up the major diameter chamber
The left side of body 101, its right-hand member props up the left side of the pressure section 31 of the driven member 3.
Assembling step 310 is fixed with the left side of the pressure section 31, the external diameter of the assembling step 310 is supported with described
Quite, the right-hand member for compressing spring 5 is sleeved on the assembling step 310 internal diameter of pressing spring 5.
The low order end of the pressing piece 2 is provided with spacing ring 21, and the external diameter of the spacing ring 21 is more than the minor diameter cavity
102 internal diameter;
It is provided with and is sleeved on the pressing piece 2 by pressing spring 7, the left end by pressing spring 7 props up the right-hand member of the shell 1
Face, and its right-hand member props up the left side of the spacing ring 21.
As shown in figure 3, the pressing piece 2 includes the left end minor diameter 201 and the right-hand member major diameter portion 202 that are connected with each other,
The external diameter of the left end minor diameter 201 less than the accommodating chamber 330 internal diameter, the external diameter in the right-hand member major diameter portion 202 with
The internal diameter of the minor diameter cavity 102 is suitable;
It is provided with and is sleeved on the left end minor diameter 201 by pressing spring 7, the left end of the left end minor diameter 201 is stretched into
In the accommodating chamber 330, the left end by pressing spring 7 props up the right side of the auxiliary section 33, and its right-hand member props up the left side
End minor diameter 201 and right-hand member major diameter portion 202 cross the step end face 203 to be formed.
Stretch into and two sealing rings 43 are set with the pressing piece 2 in the minor diameter cavity 102, two sealings
Circle 43 is disposed on the pressing piece 2.
The left end of the hollow cavity 10 is total air inlet 13, and valve is provided with by sealing ring on total air inlet 13
6。
Know-why of the invention is described above in association with specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the invention by would not require any inventive effort, these modes fall within
Within protection scope of the present invention.
Claims (8)
1. the controlling switch valve of a kind of dental units, including shell, pressing piece and driven member, are provided with through it in the shell
The hollow cavity of both ends of the surface, the hollow cavity includes interconnected major diameter cavity and minor diameter cavity, the pressing piece
It is sleeved in the hollow cavity with driven member, and both can be in the presence of external pressure along the axial direction of the hollow cavity
Motion;The lateral wall of the hollow cavity is provided with the first air inlet and the second air inlet being in communication with the outside, it is characterised in that:
Second air inlet is arranged on the lateral wall of the minor diameter cavity, and near the major diameter cavity and minor diameter
The right side of the position that crosses of cavity;
The left end of the pressing piece is stretched into the small diameter cavity body, and its right-hand member stays in the outside of the hollow cavity;It is described to press
The inside of casting die is provided with the bleeder port being in communication with the outside;
The driven member is followed successively by pressure section, installation portion and auxiliary section from left to right, and the external diameter of the pressure section is big less than described
The internal diameter of diameter cavity, more than the internal diameter of the minor diameter cavity, the right side of the pressure section props up the major diameter cavity
Right side;The external diameter of the installation portion and auxiliary section less than the minor diameter cavity internal diameter, and the installation portion external diameter
Less than the external diameter of the auxiliary section, be provided with the first ring set on the installation portion, the external diameter of first sealing ring with
The internal diameter of the minor diameter cavity is suitable;Be provided with accommodating chamber in the auxiliary section, the side wall of the accommodating chamber be provided with make its with
The passage of external world's connection, the passage staggers completely with the second air inlet on the axial location of the hollow cavity;Institute
The left end for stating pressing piece is inserted into the accommodating chamber, and is set between the left side of the pressing piece and the end face of accommodating chamber
Two sealing rings.
2. the controlling switch valve of dental units according to claim 1, it is characterised in that:The lateral wall of the auxiliary section
It is external diameter is gradually reduced from left to right taper.
3. the controlling switch valve of dental units according to claim 1, it is characterised in that:Set in the major diameter cavity
Spring is compressed, the left end for compressing spring props up the left side of the major diameter cavity, and its right-hand member props up the driven member
Pressure section left side.
4. the controlling switch valve of dental units according to claim 3, it is characterised in that:The left side of the pressure section
On be fixed with assembling step, the external diameter of the assembling step is suitable with the internal diameter for compressing spring, the right side for compressing spring
End is sleeved on the assembling step.
5. the controlling switch valve of dental units according to claim 3, it is characterised in that:The low order end of the pressing piece
It is provided with spacing ring, the internal diameter of the external diameter more than the minor diameter cavity of the spacing ring;
Pressing spring housing is provided with mounted in the pressing piece, the right side that the shell is propped up by the left end of pressing spring, and its
Right-hand member props up the left side of the spacing ring.
6. the controlling switch valve of dental units according to claim 3, it is characterised in that:The pressing piece includes mutual
The left end minor diameter of connection and right-hand member major diameter portion, the internal diameter of the external diameter less than the accommodating chamber of the left end minor diameter,
The external diameter in the right-hand member major diameter portion is suitable with the internal diameter of the minor diameter cavity;
Pressing spring housing is provided with mounted in the left end minor diameter, the left end of the left end minor diameter stretches into the accommodating chamber
Interior, the right side that the auxiliary section is propped up by the left end of pressing spring, its right-hand member props up the left end minor diameter and right-hand member
Major diameter portion crosses the step end face to be formed.
7. the controlling switch valve of dental units according to claim 1, it is characterised in that:Stretch into the minor diameter cavity
Two sealing rings are set with the interior pressing piece, two sealing rings are disposed on the pressing piece.
8. the controlling switch valve of dental units according to claim 1, it is characterised in that:The left end of the hollow cavity
It is total air inlet, valve is provided with by sealing ring on total air inlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611260174.7A CN106763897A (en) | 2016-12-30 | 2016-12-30 | A kind of controlling switch valve of dental units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611260174.7A CN106763897A (en) | 2016-12-30 | 2016-12-30 | A kind of controlling switch valve of dental units |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106763897A true CN106763897A (en) | 2017-05-31 |
Family
ID=58954637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611260174.7A Pending CN106763897A (en) | 2016-12-30 | 2016-12-30 | A kind of controlling switch valve of dental units |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106763897A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1002515A (en) * | 1961-06-01 | 1965-08-25 | Ulvsunda Verkst Er Aktiebolag | Multiple-way valve |
CN201228784Y (en) * | 2008-04-13 | 2009-04-29 | 裘苗全 | Single spider handle mechanical programmed control pressure gauge valve |
CN203421212U (en) * | 2013-07-10 | 2014-02-05 | 宁波盛达阳光气动机械有限公司 | Two-position three-way stop valve |
CN203718031U (en) * | 2013-12-18 | 2014-07-16 | 诸暨市万盛机械有限公司 | Button valve |
CN203963119U (en) * | 2014-07-24 | 2014-11-26 | 苏州通衢机电设备有限公司 | Emergency shutdown valve |
CN206352671U (en) * | 2016-12-30 | 2017-07-25 | 佛山市德克医疗器械有限公司 | A kind of controlling switch valve of dental units |
-
2016
- 2016-12-30 CN CN201611260174.7A patent/CN106763897A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1002515A (en) * | 1961-06-01 | 1965-08-25 | Ulvsunda Verkst Er Aktiebolag | Multiple-way valve |
CN201228784Y (en) * | 2008-04-13 | 2009-04-29 | 裘苗全 | Single spider handle mechanical programmed control pressure gauge valve |
CN203421212U (en) * | 2013-07-10 | 2014-02-05 | 宁波盛达阳光气动机械有限公司 | Two-position three-way stop valve |
CN203718031U (en) * | 2013-12-18 | 2014-07-16 | 诸暨市万盛机械有限公司 | Button valve |
CN203963119U (en) * | 2014-07-24 | 2014-11-26 | 苏州通衢机电设备有限公司 | Emergency shutdown valve |
CN206352671U (en) * | 2016-12-30 | 2017-07-25 | 佛山市德克医疗器械有限公司 | A kind of controlling switch valve of dental units |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203943996U (en) | A kind of breather valve | |
CN204042084U (en) | The hard leakproof one-way valve of a kind of high pressure for natural gas compressor | |
CN206352671U (en) | A kind of controlling switch valve of dental units | |
CN106763897A (en) | A kind of controlling switch valve of dental units | |
CN208417025U (en) | A kind of multi-staged booster fan | |
CN207768101U (en) | Cooking apparatus | |
CN207089738U (en) | A kind of vacuum packing machine air bag | |
CN110608300A (en) | One-way interface gas circuit replacing device | |
CN107837470A (en) | A kind of steam supply valve of the integrated outlet valve of new small size | |
CN205235124U (en) | Breathe control valve, breathe control external member and breathing machine | |
CN105526108A (en) | Safe and energy-saving air compression device | |
CN201353353Y (en) | Invasive respirator | |
CN208736619U (en) | A kind of spray valve assembling machine detecting device | |
CN105526110A (en) | Energy-saving and safe air compression device | |
CN105697335A (en) | Environment-friendly, energy-saving and high-efficiency pressurization transportation device for high-temperature hot air | |
CN209270559U (en) | A kind of oxygen face mask | |
CN105587580A (en) | Efficient energy-saving device for extracting shale gas | |
CN208089501U (en) | A kind of piston compressor and its breather cheek valve | |
CN207137117U (en) | A kind of multi-source oxygen gas port | |
CN105697304A (en) | Environment-friendly, high-efficiency and energy-saving air compression equipment | |
CN105587577A (en) | Efficient and energy-saving electromagnetic equipment for extraction and pressurizing of shale gas | |
CN103423463A (en) | Connecting valve, air changing bag with connecting valve and using method | |
CN109568680A (en) | Suction device under a kind of duration glottis | |
CN105570078A (en) | Efficient energy-saving electromagnetic natural gas extraction/compression apparatus | |
CN105526116A (en) | Safe environmental protection equipment for air compression |
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 |
Application publication date: 20170531 |
|
RJ01 | Rejection of invention patent application after publication |