CN109238579A - A kind of pipe female connector package seal checker - Google Patents
A kind of pipe female connector package seal checker Download PDFInfo
- Publication number
- CN109238579A CN109238579A CN201810978103.3A CN201810978103A CN109238579A CN 109238579 A CN109238579 A CN 109238579A CN 201810978103 A CN201810978103 A CN 201810978103A CN 109238579 A CN109238579 A CN 109238579A
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- runner
- female connector
- pipe female
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/085—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for pipe joints or seals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of pipe female connector package seal checkers, including outrigger plate, side plate, detection case, controller, mobile device, air charging system and sealing device, the outrigger plate is symmetrically mounted on the both ends of the bottom surface of detection case, the side plate is connected between outrigger plate, the mobile device is installed on the inside of the side plate, sink is provided with above the detection case, air charging system and sealing device are fixed in the sink, by in water and the setting of two kinds of detection modes waterborne, it is capable of the leakproofness of quick detection pipe female connector, and it is capable of detecting when the position of gas leakage, the present apparatus is with work efficiency is high, the good advantage of detection effect.
Description
Technical field
The invention belongs to sealing detection technical fields, and in particular to a kind of pipe female connector package seal checker.
Background technique
The equipment of existing detection pipeline sealing device, has the following disadvantages in the leakproofness of detection pipeline, when detection
More time-consuming to the sealing of pipeline, detection device is more complicated, and it is not ideal enough that effect is surveyed in school.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to propose a kind of pipe female connector sealing inspection
Device is surveyed, by the setting of mobile device, air charging system and sealing device, pipe female connector sealing detection is solved and seals effect in the process
Fruit is poor, has the problem of corrosion to pipe female connector, and with detecting, speed is fast, detection effect is good.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of pipe female connector package seal checker,
Including outrigger plate, side plate, detection case, controller, mobile device, air charging system and sealing device, the outrigger plate is symmetrically installed
At the both ends of the bottom surface of detection case, the side plate is connected between outrigger plate, and the mobile dress is equipped on the inside of the side plate
It sets, sink is provided with above the detection case, air charging system and sealing device are fixed in the sink, the mobile device includes
Servo motor, first bevel gear, second bevel gear, the first runner, the first belt, the second runner, third runner, the second belt,
4th runner and fixed block, are connected with the first bevel gear on the output shaft of the servo motor, in the first bevel gear
It is engaged with the second bevel gear, first runner, first runner are connected on the central axis of the second bevel gear
It is connected by the first belt and the second runner, is fixed with the third runner on the central axis of second runner, described
Three runners are connected by the second belt and the 4th runner, and fixed block, the fixed block are fixedly connected on second belt
On be connected with support rod, be connected with bottom plate on the support rod, the air charging system includes high-pressure pump, hose, gas bottle, no
Become rusty steel tracheae, the first fixed plate, air inlet switch, seal plug, air gauge and exhaust outlet, the gas bottle, the first fixed plate and
Seal plug is fixed on the bottom plate, and the bottom plate is equipped with support base, and the gas bottle and seal plug are fixed on bottom plate
On support base on, one end on the gas bottle is connected with the stainless steel tracheae, and the other end of the stainless steel tracheae passes through
It wears the first fixed plate to be connected with seal plug, the other end of the gas bottle is connected with hose, described to be connected with gas bottle
It is connected with the high-pressure pump on the hose connect, the air inlet switch, the stainless steel gas are provided on the stainless steel tracheae
It is connected with the hose on pipe, the air gauge, the seal plug are connected on the hose that the stainless steel tracheae is connected
On be connected with the hose, the exhaust outlet is connected on the hose being connected with the seal plug, is arranged on the bottom plate
There is the sealing device, the sealing device includes the second fixed plate, screw rod, rotating handles, casing, baffle, first clamping plate, rubber
Blob of viscose and, second fixed plate is fixed on bottom plate, second fixed plate be equipped with threaded hole, the screw rod with second consolidate
The threaded hole of fixed board is threadedly coupled, and is fixed with casing on the screw rod, the baffle is fixed in described sleeve pipe, the screw rod passes through
Sleeve-penetrating and be connected with the first clamping plate and, the first clamping plate and between be provided with the rubber block, the screw rod it is another
One end is connected with the rotating handles.
Preferably, it is provided with water filling port on the top surface of the detection case, is provided with discharge outlet on the side of the detection case.
Preferably, the bottom end of second fixed plate is arranged to T-shaped, is provided on the bottom plate and the second fixed plate phase
The groove of adaptation, bolt is provided on the bottom plate, and rotation bolt adjusts the second fixed plate and slides along groove.
Preferably, cover board is hinged on the sink.
Preferably, the air gauge and high-pressure pump are on the top surface of detection case.
Preferably, the controller is equipped with the control switch of control servo motor start and stop, and the controller is equipped with control
The control switch of high-pressure pump work processed, the controller can control the opening and closing of air inlet switch.
Preferably, it is welded with stiffener plate between the support rod and bottom plate, at least two pieces of the stiffener plate.
The medicine have the advantages that
1. passing through the setting of mobile device, air charging system, the present apparatus that can make has a variety of when being sealed detection
Form is detected, the air-tightness of detection pipe female connector is carried out in anhydrous situation, judges the position of pipe female connector gas leakage in water, two kinds
Detection form is conducive to the corrosion that the efficiency of detection is turned up and can be reduced water to product.
2. can adjust the position of the second fixed plate by the setting of bolt, the fixation and disassembly that can make pipe female connector are more
Convenience, improve the practicability and efficiency of device.
3. squeezing rubber block by first clamping plate and the second collet, there is good sealing effect, there is good inspection
Survey effect.
4. by the setting of water filling port and discharge outlet, make to fill the water and drain more convenient, the setting of controller can be more
The convenient control present apparatus, improves work efficiency.
Detailed description of the invention
Content expressed by this specification attached drawing and the label in figure are briefly described below:
Fig. 1 is the overall structure diagram of a specific embodiment of the invention.
Fig. 2 is the cross-sectional view of a specific embodiment of the invention.
Fig. 3 is the top view of a specific embodiment of the invention.
Fig. 4 is the operation schematic diagram of a specific embodiment of the invention.
Fig. 5 is the schematic diagram of sealing device in a specific embodiment of the invention.
Fig. 6 is the local connection schematic diagram of a specific embodiment of the invention.
Wherein: 1- outrigger plate, 2- side plate, 3- detection case, 4- controller, 5- mobile device, 6- air charging system, 7- sealing dress
It sets, 8- bottom plate, 9- pipe female connector, 31- sink, 32- cover board, 33- water filling port, 34- discharge outlet, 50- servo motor, 51- first is bored
Gear, 52- second bevel gear, the first runner of 53-, the first belt of 54-, the second runner of 55-, 56- third runner, the second skin of 57-
Band, the 4th runner of 58-, 59- fixed block, 60- high-pressure pump, 61- hose, 62- gas bottle, 63- stainless steel tracheae, 64- first
Fixed plate, 65- air inlet switch, 66- seal plug, 67- air gauge, 68- exhaust outlet, the second fixed plate of 71-, 72- screw rod, 73-
Rotating handles, 74- casing, 75- baffle, 76- first clamping plate, 77- rubber block, the second collet of 78-, 79- bolt, 81- support rod,
82- stiffener plate.
Specific embodiment
Below by the description to embodiment, the shape of for example related each component of a specific embodiment of the invention, structure
It makes, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and the side of operating with
Method etc., is described in further detail, completeer to help those skilled in the art to have inventive concept of the invention, technical solution
Whole, accurate and deep understanding.
A kind of pipe female connector package seal checker, including outrigger plate 1, side plate 2, detection case 3, controller 4, mobile device 5,
Air charging system 6 and sealing device 7, the outrigger plate 1 are symmetrically mounted on the both ends of the bottom surface of detection case 3, and the side plate 2 is connected to
Between outrigger plate 1, the inside of the side plate 2 is equipped with the mobile device 5, and the detection case 3 is provided with sink 31 above, described
Be fixed with air charging system 6 and sealing device 7 in sink 31, the mobile device 5 include servo motor 50, first bevel gear 51,
Second bevel gear 52, the first runner 53, the first belt 54, the second runner 55, third runner 56, the second belt 57, the 4th runner
58 and fixed block 59, the first bevel gear 51, the first bevel gear 51 are connected on the output shaft of the servo motor 50
On be engaged with the second bevel gear 52, first runner 53 is connected on the central axis of the second bevel gear 52, it is described
First runner 53 is connected by the first belt 54 with the second runner 55, is fixed on the central axis of second runner 55 described
Third runner 56, the third runner 56 are connected by the second belt 57 with the 4th runner 58, solid on second belt 57
Surely it is connected with fixed block 59, support rod 81 is connected on the fixed block 59, the support rod 81 is through detection case 3 and is connected with
Bottom plate 8, the air charging system 6 include high-pressure pump 60, hose 61, gas bottle 62, stainless steel tracheae 63, the first fixed plate 64,
Air inlet switch 65, seal plug 66, air gauge 67 and exhaust outlet 68, the gas bottle 62, the first fixed plate 64 and seal plug
66 are fixed on the bottom plate 8, and the bottom plate 8 is equipped with support base, and the gas bottle 62 and seal plug 66 are fixed on bottom plate 8
On support base on, one end on the gas bottle 62 is connected with the stainless steel tracheae 63, the stainless steel tracheae 63 it is another
One end is connected through the first fixed plate 64 with seal plug 66, and the other end of the gas bottle 62 is connected with hose 61, institute
It states and is connected with the high-pressure pump 60 on the hose 61 being connected with gas bottle 62, be provided on the stainless steel tracheae 63 described
Air inlet switch 65 is connected with the hose 61, the hose 61 that the stainless steel tracheae 63 is connected on the stainless steel tracheae 63
On be connected with the air gauge 67, the hose 61 is connected on the seal plug 66, is connected with the seal plug 66
Hose 61 on be connected with the exhaust outlet 68, the sealing device 7 is provided on the bottom plate 8, the sealing device 7 includes
Second fixed plate 71, screw rod 72, rotating handles 73, casing 74, baffle 75, first clamping plate 76, rubber block 77 and the second collet 78,
Second fixed plate 71 is fixed on bottom plate 8, and second fixed plate 71 is equipped with threaded hole, and the screw rod 72 and second is solid
The threaded hole of fixed board 71 is threadedly coupled, and is fixed with casing 74 on the screw rod 72, the baffle 75 is fixed in described sleeve pipe 74,
The screw rod 72 is through casing 74 and is connected with the first clamping plate 76 and the second collet 78, the first clamping plate 76 and the second folder
The rubber block 77 is provided between first 78, the other end of the screw rod 72 is connected with the rotating handles 73.
It is worth noting that, the left end of the seal plug 66 is connected with pipe female connector 9, the left end of the pipe female connector 9 passes through
Sealing device 7 is fixed, further, pipe female connector 9 is placed on first clamping plate 76 in sealing device 7, second clamping plate 78 and rubber
The outside of block 77, baffle 75 block pipe female connector 9 and are moved to the left, and drive screw rod 72 mobile by rotation rotating handles 73, screw rod 72
It is mobile that the second collet 78 is driven to move right, because first clamping plate 76 is fixed on casing 74, when the second collet 78
It is moved at first clamping plate 76 with rubber block 77 and the case where squeezing rubber block 77 occurs, make rubber block by squeezing rubber block 77
77 deformations, so that pipe female connector 9 be made to seal.
In the present embodiment, it is provided with water filling port 33 on the top surface of the detection case 3, is set on the side of the detection case 3
It is equipped with discharge outlet 34.
In the present embodiment, the bottom end of second fixed plate 71 is arranged to T-shaped, is provided on the bottom plate 8 and the
The compatible groove of two fixed plate 71, is provided with bolt 79 on the bottom plate 8, rotation bolt 79 adjust the second fixed plate 71 along
Groove sliding.
It is worth noting that, the second fixed plate 71 is moved by adjusting rotation bolt 79, when one end of pipe female connector 9 is fixed
After on seal plug 66, mobile second fixed plate 71 keeps casing 74 mobile, and the baffle 75 being fixed on casing 74 is mobile, makes to keep off
Plate blocks pipe female connector 9, by adjusting rotation bolt 79 for taking down pipe female connector 9 after the completion of detection.
In the present embodiment, cover board 32 is hinged on the sink 31.
In the present embodiment, the air gauge 67 and high-pressure pump 60 are on the top surface of detection case 3.
In the present embodiment, the controller 4 is equipped with the control switch of control 50 start and stop of servo motor, the controller
4 are equipped with the control switch that control high-pressure pump 60 works, and the controller 4 can control the opening and closing of air inlet switch 65.
In the present embodiment, be welded with stiffener plate 82 between the support rod 81 and bottom plate 8, the stiffener plate 82 to
Rare two pieces.
It is worth noting that, the support rod 81 is through detection case 3 and is connected with bottom plate 8, the bottom plate 8 is arranged in sink
In 31, the junction of the detection case 3 and support rod 81 is provided with sealing ring, and the effect of sealing ring is the water in anti-water stopping trough 31
It leaks out.
It is worth noting that, the effect of the mobile device 5 is to go up and down bottom plate 8, further, the servo electricity is controlled
Machine 50 rotates, and servo motor 50 drives first bevel gear 51 to rotate, and the second bevel gear 52 engaged with first bevel gear 51 rotates,
The first coaxial runner 53 of second bevel gear 52 drives the rotation of the second runner 55 by the first belt 54, with second runner 55
Coaxial third runner 56 drives the rotation of the 4th runner 58 by the second belt 57, and the second belt 57 is in third runner 56 and the 4th
Movement drives fixed block 59 to move up and down between runner 58, and the support rod 81 being connected with fixed block drives bottom plate 8 to move up and down.
It is inflated it is worth noting that, controller 4 controls air charging system 6 into pipe female connector 9, the sealing feelings of detection pipe female connector 9
Condition, further, controller 4 control high-pressure pump 60 and work, and high-pressure pump 60 is inflated by hose 61 into gas bottle, pass through
Stainless steel tracheae 63 transmits gas into seal plug, and gas finally enters pipe female connector 9, and air inlet switch 65 is for controlling gas stream
Logical, air gauge 67 is used for the atmospheric pressure value of detection system.
The course of work and principle: mobile device 5 is adjusted bottom plate 8 and shifts the top on sink 31 onto, one end of pipe female connector 9
It is fixed on seal plug 66, the other end of pipe female connector 9 is fixed on sealing device 7, and adjust sealing device 7 and seal plug
First 6 pairs of pipe female connectors are sealed, and are inflated by air charging system 6 into pipe female connector 9, and the numerical value on record observation air gauge 6 is passed through
To judge the sealing situation of pipe female connector 9；When discovery pipe female connector 9 leaks air situation, adjusts mobile device 5 and pipe female connector 9 is moved
In dynamic screw clamp 31, by the bubble position generated in observation water, to judge the Gas leak position of pipe female connector 9.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out, or not improved this is sent out
Bright conception and technical scheme directly apply to other occasions, within the scope of the present invention.Protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of pipe female connector package seal checker, including outrigger plate (1), side plate (2), detection case (3), controller (4), movement
Device (5), air charging system (6) and sealing device (7), it is characterised in that: the outrigger plate (1) is symmetrically mounted on detection case (3)
Bottom surface both ends, the side plate (2) is connected between outrigger plate (1), and the mobile dress is equipped on the inside of the side plate (2)
It sets (5), the detection case (3) is provided with sink (31) above, is fixed with air charging system (6) and sealing device in the sink (31)
(7), the mobile device (5) includes servo motor (50), first bevel gear (51), second bevel gear (52), the first runner
(53), the first belt (54), the second runner (55), third runner (56), the second belt (57), the 4th runner (58) and fixed block
(59), it is connected with the first bevel gear (51) on the output shaft of the servo motor (50), on the first bevel gear (51)
It is engaged with the second bevel gear (52), first runner (53) is connected on the central axis of the second bevel gear (52),
First runner (53) is connected by the first belt (54) with the second runner (55), the central axis of second runner (55)
On be fixed with the third runner (56), the third runner (56) is connected by the second belt (57) with the 4th runner (58)
It connects, is fixedly connected with fixed block (59) on second belt (57), be connected with support rod (81), institute on the fixed block (59)
It states and is connected on support rod (81) bottom plate (8), the air charging system (6) includes high-pressure pump (60), hose (61), gas bottle
(62), stainless steel tracheae (63), the first fixed plate (64), air inlet switch (65), seal plug (66), air gauge (67) and exhaust
Mouth (68), the gas bottle (62), the first fixed plate (64) and seal plug (66) are fixed on the bottom plate (8), the collection
One end on gas cylinder (62) is connected with the stainless steel tracheae (63), and the other end of the stainless steel tracheae (63) is solid through first
Fixed board (64) is connected with seal plug (66), and the other end of the gas bottle (62) is connected with hose (61), described and collection
It is connected with the high-pressure pump (60) on the hose (61) that gas cylinder (62) is connected, is arranged on the stainless steel tracheae (63)
It states air inlet switch (65), is connected with the hose (61) on the stainless steel tracheae (63), the stainless steel tracheae (63) is connected
It is connected with the air gauge (67) on the hose (61) connect, the hose (61) is connected on the seal plug (66), with institute
It states and is connected with the exhaust outlet (68) on the hose (61) that seal plug (66) is connected, is provided on the bottom plate (8) described
Sealing device (7), the sealing device (7) include the second fixed plate (71), screw rod (72), rotating handles (73), casing (74),
Baffle (75), first clamping plate (76), rubber block (77) and the second collet (78), second fixed plate (71) are fixed on bottom plate
(8) on, second fixed plate (71) is equipped with threaded hole, the threaded hole screw thread of the screw rod (72) and the second fixed plate (71)
It connects, is fixed with casing (74) on the screw rod (72), the baffle (75), the screw rod are fixed in described sleeve pipe (74)
(72) run through casing (74) and be connected with the first clamping plate (76) and the second collet (78), the first clamping plate (76) and second
It is provided between collet (78) rubber block (77), the other end of the screw rod (72) is connected with the rotating handles (73).
2. a kind of pipe female connector package seal checker according to claim 1, it is characterised in that: the detection case (3)
It is provided on top surface water filling port (33), is provided with discharge outlet (34) on the side of the detection case (3).
3. a kind of pipe female connector package seal checker according to claim 1, it is characterised in that: second fixed plate
(71) bottom end is arranged to T-shaped, and compatible groove, the bottom are provided with the second fixed plate (71) on the bottom plate (8)
It is provided on plate (8) bolt (79), rotation bolt (79) adjusts the second fixed plate (71) and slides along groove.
4. a kind of pipe female connector package seal checker according to claim 1, it is characterised in that: cut with scissors on the sink (31)
It is connected to cover board (32).
5. a kind of pipe female connector package seal checker according to claim 1, it is characterised in that: the air gauge (67) and
High-pressure pump (60) is on the top surface of detection case (3).
6. a kind of pipe female connector package seal checker according to claim 1, it is characterised in that: on the controller (4)
Control switch equipped with control servo motor (50) start and stop, the controller (4) are equipped with control high-pressure pump (60) work
Control switch, the controller (4) can control the opening and closing of air inlet switch (65).
7. a kind of pipe female connector package seal checker according to claim 1, it is characterised in that: the support rod (81) and
It is welded between bottom plate (8) stiffener plate (82), at least two pieces of the stiffener plate (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978103.3A CN109238579A (en) | 2018-08-27 | 2018-08-27 | A kind of pipe female connector package seal checker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978103.3A CN109238579A (en) | 2018-08-27 | 2018-08-27 | A kind of pipe female connector package seal checker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109238579A true CN109238579A (en) | 2019-01-18 |
Family
ID=65069145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810978103.3A Withdrawn CN109238579A (en) | 2018-08-27 | 2018-08-27 | A kind of pipe female connector package seal checker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238579A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947846A (en) * | 2020-07-17 | 2020-11-17 | 北京卫星制造厂有限公司 | Method for testing tightness of crimping terminal assembly of crimping electric connector for cable network |
| CN115717966A (en) * | 2022-11-29 | 2023-02-28 | 南京知行管业有限公司 | Air tightness detection device and method for corrugated pipe |
-
2018
- 2018-08-27 CN CN201810978103.3A patent/CN109238579A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947846A (en) * | 2020-07-17 | 2020-11-17 | 北京卫星制造厂有限公司 | Method for testing tightness of crimping terminal assembly of crimping electric connector for cable network |
| CN115717966A (en) * | 2022-11-29 | 2023-02-28 | 南京知行管业有限公司 | Air tightness detection device and method for corrugated pipe |
| CN115717966B (en) * | 2022-11-29 | 2024-06-04 | 南京知行管业有限公司 | Bellows air tightness detection device and method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |