CN107859798A - A kind of two-bolt lock curable type pipeline jointing construction - Google Patents
A kind of two-bolt lock curable type pipeline jointing construction Download PDFInfo
- Publication number
- CN107859798A CN107859798A CN201711006646.0A CN201711006646A CN107859798A CN 107859798 A CN107859798 A CN 107859798A CN 201711006646 A CN201711006646 A CN 201711006646A CN 107859798 A CN107859798 A CN 107859798A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- locking
- ring flange
- interior
- locking sleeve
- 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
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of two-bolt lock curable type pipeline jointing construction, including pipeline A, embedded self-locking grooves, pipeline B, interior locking sleeve and pressure self-locking device, the mouth of pipe integral molding of the pipeline A is provided with ring flange A, pipeline B mouth of pipe integral molding is provided with ring flange B, interior locking sleeve is equipped between the pipeline A and pipeline B, the interior locking sleeve inner is set to diversion cavity, diversion cavity connects pipeline A with pipeline B inside, pressure self-locking device is mounted in the interior locking sleeve both ends side wall, corresponding on the outside of pressure self-locking device embedded self-locking grooves are offered on pipeline A and pipeline B inwalls；The pressure self-locking device is made up of cylinder barrel, locking pin, back-moving spring and piston plate；Outside between pipeline A and pipeline B to be locked and connected by bolt, inside is locked and connected by the pressure self-locking device on interior locking sleeve, and dual locking improves the firmness of pipeline connection, and dragging is not easy to slip.
Description
Technical field
The present invention relates to pipe jointer technical field, specifically a kind of two-bolt lock curable type pipeline jointing construction.
Background technology
In fields such as hydraulic engineering, gas works, heating engineering, oil gas engineerings, it is necessary to be entered fluid media (medium) by pipeline
Row conveying, therefore, it is necessary to carry out laying pipeline.During pipeline construction, it is necessary to by some pipelines successively connection group from beginning to end
Into transfer pipeline, the connection for pipeline needs communication conduits connector.At present, pipeline is connected through on pipeline by bolt
Ring flange dock and lock realization connection, but the reason such as loosening due to bolt often results in the stabilization connected between pipeline
Property reduce, ultimately result in the appearance for the problem of leaking between pipeline, cause certain loss.The hair of the above situation may not be gone up
It is raw, it is necessary to which a kind of new pipe connecting structure is to meet the use demand that locking is connected between pipeline.
The content of the invention
It is an object of the invention to provide a kind of two-bolt lock curable type pipeline jointing construction, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：
A kind of two-bolt lock curable type pipeline jointing construction, including pipeline A, embedded self-locking grooves, pipeline B, interior locking sleeve and pressure are certainly
Device is locked, the mouth of pipe integral molding of the pipeline A is provided with ring flange A, and pipeline B mouth of pipe integral molding is provided with ring flange B, institute
State and interior locking sleeve is equipped between pipeline A and pipeline B, the interior locking sleeve inner is set to diversion cavity, and diversion cavity is by pipeline A
Connected with pipeline B inside, pressure self-locking device is mounted in the interior locking sleeve both ends side wall, is corresponded on the outside of pressure self-locking device
Pipeline A and pipeline B inwalls on offer embedded self-locking grooves；The pressure self-locking device by cylinder barrel, locking pin, back-moving spring and
Piston plate forms.
As the further scheme of the present invention：Bolt is equipped with the same isometrical circumference of the ring flange A and ring flange B
Hole, locked between the ring flange A and ring flange B by the bolt through bolt hole.
As the further scheme of the present invention：Restraining position ring block, spacing ring are all provided with the inside of the mouth of pipe of the pipeline A and pipeline B
It is welded on by cold laser on pipeline A and pipeline B inwall.
As the further scheme of the present invention：The external diameter of the interior locking sleeve is equal with the internal diameter of spacing ring.
As the further scheme of the present invention：The cylinder barrel is fixed in interior locking sleeve lateral wall and welded with interior locking sleeve
It is connected in one, is provided with sliding groove inside the cylinder barrel, piston plate is arranged in sliding groove and slid axially setting along sliding groove, work
Connection locking pin on the outside of seben, locking pin upper end pass cylinder barrel, the locking pin set towards embedded self-locking grooves and with it is embedded from
Locked groove is on same axis.
As the further scheme of the present invention：Back-moving spring is arranged with locking pin on the outside of the piston plate, resets bullet
Spring is arranged in the sliding groove of cylinder barrel.
As the further scheme of the present invention：The cylinder barrel middle inside offers pod apertures, pod apertures connection diversion cavity
And sliding groove.
As the further scheme of the present invention：Outer wall is provided with what is be mutually engaged with spacing ring inwall in the middle part of the interior locking sleeve
Ratchet.
As the further scheme of the present invention：Rubber blanket, rubber cushion cover are installed between the ring flange A and ring flange B
It is located at outside in the middle part of interior locking sleeve.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, described a kind of two-bolt lock curable type pipeline jointing construction, passes through the spiral shell through bolt hole between ring flange A and ring flange B
Bolt-lock is consolidated, and rubber blanket, sealing when rubber blanket enhancing pipeline A connects with pipeline B are provided between ring flange A and ring flange B
Can, it is convenient that pipeline A is connected with pipeline B from external stability and ensures the sealing property of connection.
2nd, interior locking sleeve is equipped between pipeline A and pipeline B, pressure is mounted in the side wall of interior locking sleeve both ends certainly
Device is locked, in diversion cavity under fluid medium pressure, fluid media (medium) enters sliding groove by pod apertures and promotes piston plate compression multiple
Position spring, which will lock to sell, to be ejected and pushes into embedded self-locking grooves, and under fluid medium pressure, pressure self-locking device is automatically by pipeline A
Locked and connected with pipeline B from inside, when pulling, be not easy to come off because of bolt looseness, firm and reliable connection.
3rd, after fluid media (medium) flows completely out in diversion cavity, normal pressure, under action of reset spring, piston are recovered in diversion cavity
Plate and locking pin are automatically reset, and locking pin is automatically separated with embedded self-locking grooves, it is convenient in locking sleeve dismounting taking-up；Interior locking
Outer wall is provided with the ratchet being mutually engaged with spacing ring inwall in the middle part of sleeve, avoids interior locking sleeve from being arranged between pipeline A and pipeline B
When rotate or double swerve causes locking pin to be misplaced with embedded self-locking grooves.
4th, it is outside between pipeline A and pipeline B to be locked and connected by bolt, it is internal by the pressure on interior locking sleeve from
Lock device locks and connects, and dual locking improves the firmness of pipeline connection, and dragging is not easy to slip.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of interior locking sleeve in the present invention.
Fig. 3 is the schematic cross-section of pipeline in the present invention.
Fig. 4 is the structural representation of pressure self-locking device in the present invention.
In figure：1- pipelines A, 2- insertion self-locking grooves, 3- bolts, 4- ring flange A, 5- rubber blanket, 6- ring flanges B, 7- are spacing
Locking sleeve, 10- pressure self-lockings device, 11- diversion cavities, 12- cylinder barrels, 13- lockings pin, 14- reset bullet in ring, 8- pipelines B, 9-
Spring, 15- piston plates, 16- pod apertures, 17- bolts hole, 18- sliding grooves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~4, in the embodiment of the present invention, a kind of two-bolt lock curable type pipeline jointing construction, including it is pipeline A1, embedding
Enter self-locking grooves 2, pipeline B8, interior locking sleeve 9 and pressure self-locking device 10, the mouth of pipe integral molding of the pipeline A1 is provided with flange
Disk A4, pipeline B8 mouth of pipe integral molding are provided with ring flange B6, the same isometrical circumference of the ring flange A4 and ring flange B6
On be equipped with bolt hole 17, locked between the ring flange A4 and ring flange B6 by the bolt 3 through bolt hole 17.
Specifically, being all provided with restraining position ring block 7 on the inside of the pipeline A1 and pipeline B8 mouth of pipe, spacing ring 7 passes through cold shock flush weld
It is connected on pipeline A1 and pipeline B8 inwall.
Interior locking sleeve 9, external diameter and the spacing ring 7 of interior locking sleeve 9 are equipped between the pipeline A1 and pipeline B8
Internal diameter is equal, and diversion cavity 11 is set to inside the interior locking sleeve 9, and diversion cavity 11 connects pipeline A1 with pipeline B8 inside, side
Just the flowing of fluid media (medium).
Pressure self-locking device 10 is mounted in the both ends side wall of interior locking sleeve 9, corresponding to the outside of pressure self-locking device 10
Embedded self-locking grooves 2 are offered on pipeline A1 and pipeline B8 inwalls；The pressure self-locking device 10 is by cylinder barrel 12, locking pin 13, multiple
Position spring 14 and piston plate 15 form, and the cylinder barrel 12 is fixed in the interior side wall of locking sleeve 9 and is welded as with interior locking sleeve 9
One, the inside of cylinder barrel 12 are provided with sliding groove 18, and piston plate 15 is arranged in sliding groove 18 and slid axially along sliding groove 18
Set, the outside of piston plate 15 connection locking pin 13, locking pin 13 upper end passes cylinder barrel 12, and the locking pin 13 is towards embedded self-locking
Groove 2 sets and is in embedded self-locking grooves 2 on same axis.
Specifically, being arranged with back-moving spring 14 on the locking pin 13 in the outside of piston plate 15, back-moving spring 14 is arranged on
In the sliding groove 18 of cylinder barrel 12, under the effect of the elastic force of back-moving spring 14, piston plate 15 is moved on the madial wall of sliding groove 18, this
When, the locking outer end of pin 13 is concordant with the interior outer wall of locking sleeve 9, and locking sleeve 9 is located in pipeline A1 and pipeline B8 in convenience.
Specifically, the middle inside of cylinder barrel 12 offers pod apertures 16, pod apertures 16 connect diversion cavity 11 and sliding groove
18, after interior locking sleeve 9 is arranged between pipeline A1 and pipeline B8, in diversion cavity 11 under fluid medium pressure, fluid is situated between
Matter enters sliding groove 18 by pod apertures 16 and promotes the compression reseting spring 14 of piston plate 15 that locking pin 13 is ejected and pushed into
In embedded self-locking grooves 2, under fluid medium pressure, pipeline A1 and pipeline B8 are connected by pressure self-locking device 10 from internal lock automatically
Connect, when pulling, be not easy to come off because loosening bolt 3, firm and reliable connection；When fluid media (medium) flows completely out in diversion cavity 11
Afterwards, normal pressure is recovered in diversion cavity 11, under the effect of back-moving spring 14, piston plate 15 and locking pin 13 automatically reset, and lock pin 13
It is automatically separated with being embedded in self-locking grooves 2, the dismounting taking-up of locking sleeve 9 in convenience.
Specifically, the middle part outer wall of interior locking sleeve 9 is provided with the ratchet being mutually engaged with the inwall of spacing ring 7, internal lock is avoided
Gu sleeve 9 rotates when being arranged between pipeline A1 and pipeline B8 or double swerve causes lock pin 13 and embedded self-locking grooves 2
Dislocation.
Specifically, being provided with rubber blanket 5 between the ring flange A4 and ring flange B6, rubber blanket 5 is set in interior locking sleeve
The middle part of cylinder 9 outside, after ring flange A4 and ring flange B6 is locked by bolt 3, rubber blanket 5 strengthens pipeline A1 and connected with pipeline B8
When sealing property.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little simple modification, equivalent change and modifications, are belonged in the range of technical solution of the present invention.
, it is necessary to illustrate in the description of this specification, unless otherwise clearly defined and limited, term " setting ",
" connected " and " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Claims (7)
1. a kind of two-bolt lock curable type pipeline jointing construction, including pipeline A (1), embedded self-locking grooves (2), pipeline B (8), interior locking sleeve
Cylinder (9) and pressure self-locking device (10), it is characterised in that the mouth of pipe integral molding of the pipeline A (1) is provided with ring flange A (4),
Pipeline B (8) mouth of pipe integral molding is provided with ring flange B (6), and interior locking is equipped between the pipeline A (1) and pipeline B (8)
Sleeve (9), the interior locking sleeve (9) is internal to be set to diversion cavity (11), and diversion cavity (11) is by pipeline A (1) and pipeline B (8)
Portion is connected, and pressure self-locking device (10) is mounted in interior locking sleeve (9) the both ends side wall, and pressure self-locking device (10) outside is right
Embedded self-locking grooves (2) are offered on the pipeline A (1) and pipeline B (8) inwall answered；The pressure self-locking device (10) is by cylinder barrel
(12), locking pin (13), back-moving spring (14) and piston plate (15) composition；The ring flange A (4) and ring flange B's (6) is same
Bolt hole (17) is equipped with isometrical circumference, by through bolt hole (17) between the ring flange A (4) and ring flange B (6)
Bolt (3) locks；Restraining position ring block (7) is all provided with the inside of the pipeline A (1) and pipeline B (8) mouth of pipe, spacing ring (7) passes through cold shock
Photocoagulation is on pipeline A (1) and pipeline B (8) inwall.
A kind of 2. two-bolt lock curable type pipeline jointing construction according to claim 3, it is characterised in that the interior locking sleeve
(9) external diameter is equal with the internal diameter of spacing ring (7).
3. a kind of two-bolt lock curable type pipeline jointing construction according to claim 1, it is characterised in that the cylinder barrel (12) is solid
It is scheduled in interior locking sleeve (9) side wall and is welded as a whole with interior locking sleeve (9), sliding groove is provided with inside the cylinder barrel (12)
(18), piston plate (15) is arranged in sliding groove (18) and slid axially settings along sliding groove (18), and piston plate (15) outside connects
Connect locking pin (13), locking pin (13) upper end passes cylinder barrel (12), the locking pin (13) set towards embedded self-locking grooves (2) and
It is in embedded self-locking grooves (2) on same axis.
A kind of 4. two-bolt lock curable type pipeline jointing construction according to claim 5, it is characterised in that the piston plate (15)
Back-moving spring (14) is arranged with the locking pin (13) in outside, back-moving spring (14) is arranged on the sliding groove (18) of cylinder barrel (12)
In.
5. a kind of two-bolt lock curable type pipeline jointing construction according to claim 6, it is characterised in that in the cylinder barrel (12)
Middle side part offers pod apertures (16), pod apertures (16) connection diversion cavity (11) and sliding groove (18).
A kind of 6. two-bolt lock curable type pipeline jointing construction according to claim 5, it is characterised in that the interior locking sleeve
(9) middle part outer wall is provided with the ratchet being mutually engaged with spacing ring (7) inwall.
A kind of 7. two-bolt lock curable type pipeline jointing construction according to claim 2, it is characterised in that the ring flange A (4)
Rubber blanket (5) is installed between ring flange B (6), rubber blanket (5) is set in outside in the middle part of interior locking sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006646.0A CN107859798A (en) | 2017-10-25 | 2017-10-25 | A kind of two-bolt lock curable type pipeline jointing construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006646.0A CN107859798A (en) | 2017-10-25 | 2017-10-25 | A kind of two-bolt lock curable type pipeline jointing construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107859798A true CN107859798A (en) | 2018-03-30 |
Family
ID=61697441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711006646.0A Pending CN107859798A (en) | 2017-10-25 | 2017-10-25 | A kind of two-bolt lock curable type pipeline jointing construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859798A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443614A (en) * | 2018-06-15 | 2018-08-24 | 江苏宝地管业有限公司 | A kind of obturator for pipeline connection |
| CN110553107A (en) * | 2019-08-20 | 2019-12-10 | 海洋石油工程（青岛）有限公司 | Inner ring type large-caliber flange sealing surface protection device |
| CN111255966A (en) * | 2020-01-16 | 2020-06-09 | 广州市欧伊若科技有限公司 | A rust-resistant type connecting device for running water supply system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829136A (en) * | 1970-08-24 | 1974-08-13 | Electrical Fittings Corp | Slip-fit electrical coupling |
| CN2419455Y (en) * | 2000-04-11 | 2001-02-14 | 杭州大诚塑胶制品有限公司 | Three screw holding clip |
| CN202176811U (en) * | 2011-08-10 | 2012-03-28 | 刘世彪 | Self-locking type wind pipe angle cock of train |
| US20130127153A1 (en) * | 2011-11-17 | 2013-05-23 | Xerox Corporation | Internal connector tube for use with connecting sleeve to provide airtight connection between hollow tubes |
| CN203348784U (en) * | 2013-07-02 | 2013-12-18 | 常州市常武欣摄石化配件有限公司 | Self-locking flange |
| CN203604855U (en) * | 2013-11-28 | 2014-05-21 | 无锡市优耐特石化装备有限公司 | Lengthened water pipe |
| CN105626999A (en) * | 2014-11-20 | 2016-06-01 | 西安奥赛福科技有限公司 | Alloy flange |
-
2017
- 2017-10-25 CN CN201711006646.0A patent/CN107859798A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829136A (en) * | 1970-08-24 | 1974-08-13 | Electrical Fittings Corp | Slip-fit electrical coupling |
| CN2419455Y (en) * | 2000-04-11 | 2001-02-14 | 杭州大诚塑胶制品有限公司 | Three screw holding clip |
| CN202176811U (en) * | 2011-08-10 | 2012-03-28 | 刘世彪 | Self-locking type wind pipe angle cock of train |
| US20130127153A1 (en) * | 2011-11-17 | 2013-05-23 | Xerox Corporation | Internal connector tube for use with connecting sleeve to provide airtight connection between hollow tubes |
| CN203348784U (en) * | 2013-07-02 | 2013-12-18 | 常州市常武欣摄石化配件有限公司 | Self-locking flange |
| CN203604855U (en) * | 2013-11-28 | 2014-05-21 | 无锡市优耐特石化装备有限公司 | Lengthened water pipe |
| CN105626999A (en) * | 2014-11-20 | 2016-06-01 | 西安奥赛福科技有限公司 | Alloy flange |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443614A (en) * | 2018-06-15 | 2018-08-24 | 江苏宝地管业有限公司 | A kind of obturator for pipeline connection |
| CN108443614B (en) * | 2018-06-15 | 2023-10-03 | 江苏宝地管业有限公司 | Sealing device for pipeline connection |
| CN110553107A (en) * | 2019-08-20 | 2019-12-10 | 海洋石油工程（青岛）有限公司 | Inner ring type large-caliber flange sealing surface protection device |
| CN111255966A (en) * | 2020-01-16 | 2020-06-09 | 广州市欧伊若科技有限公司 | A rust-resistant type connecting device for running water supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107859798A (en) | A kind of two-bolt lock curable type pipeline jointing construction | |
| CA2729230A1 (en) | Tapered spline connection for drill pipe, casing and tubing | |
| CN202501139U (en) | Pipeline connecting device | |
| CN216618938U (en) | High-pressure flange self-locking sealing structure | |
| CN101344206A (en) | Self-compensating fastening type large-diameter fast joint | |
| CN207394172U (en) | A kind of two-bolt lock curable type pipeline jointing construction | |
| CN109996985B (en) | Seal assembly | |
| CN204986143U (en) | Quick -operation joint who assembles completely | |
| CN107654772A (en) | A kind of flexible slide-in type socket joint connecting tube | |
| CN114215996B (en) | Water pipe plugging and leakage preventing device | |
| AU629935B2 (en) | Pipe connector with treaded seal in nonthreaded cavity | |
| CN210659968U (en) | Telescopic pipeline length adjustment mechanism | |
| CN208107432U (en) | A kind of adapter substitute for on-site rush repair of glass reinforced plastic pipeline | |
| CN209245495U (en) | A kind of spigot-and-socket HDPE winding reinforcing pipe with rotation preventing function | |
| CN205078966U (en) | Vacuum brake pipe | |
| CN208074356U (en) | A kind of air pump connector of Fast Installation | |
| CN209818954U (en) | PE water supply pipe capable of preventing joint from bursting | |
| CN203571262U (en) | Two-way large-caliber pipe radial buckling and pressing connector | |
| CN202360965U (en) | Pipeline connection device | |
| CN210322605U (en) | Hydraulic tool | |
| CN215111194U (en) | Pipe joint, pipe joint assembly and pipeline connecting device | |
| CN218439250U (en) | Heat-insulating corrosion-resistant silicon carbide coating oil pipe | |
| CN209245513U (en) | A kind of spigot-and-socket HDPE winding reinforcing pipe | |
| CN215806895U (en) | FMPP double-color composite bellows | |
| CN105822862B (en) | A kind of flexible duct transition joint |
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: 20180330 |
|
| RJ01 | Rejection of invention patent application after publication |