CN107378759A - A kind of large-size pipe fixing device for being used to be machined - Google Patents
A kind of large-size pipe fixing device for being used to be machined Download PDFInfo
- Publication number
- CN107378759A CN107378759A CN201710432340.5A CN201710432340A CN107378759A CN 107378759 A CN107378759 A CN 107378759A CN 201710432340 A CN201710432340 A CN 201710432340A CN 107378759 A CN107378759 A CN 107378759A
- Authority
- CN
- China
- Prior art keywords
- nutted rod
- pin shaft
- plate
- active pin
- tensioning
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of large-size pipe fixing device for being used to be machined, column is welded on the center on support plate, the bottom of lower-left nutted rod and the bottom of bottom right nutted rod are arranged on column by active pin shaft, the bottom of upper left nutted rod is arranged on the top of lower-left nutted rod by left active pin shaft, the bottom of upper right nutted rod is arranged on the top of bottom right nutted rod by right active pin shaft, the top of upper left nutted rod is connected with the top of upper right nutted rod by active pin shaft, the right-hand member of hydraulic tensioning cylinder is arranged on right active pin shaft by connecting shaft, hydraulic axis is tensioned to be arranged in hydraulic tensioning cylinder, the left end for being tensioned hydraulic axis is arranged on left active pin shaft, left tensioning plate is arranged on left active pin shaft, right tensioning plate is arranged on right active pin shaft.Its design science of the invention is reasonable, easy to use.
Description
Technical field
The present invention relates to a kind of large-size pipe fixing device for being used to be machined, and belongs to pipe fixing device technology neck
Domain.
Background technology
, it is necessary to which pipe fitting is fixed in large-size pipe processing, existing pipe fitting stationary fixture is largely clamping pipe fitting
Outer surface, carry out polishing etc. in the outer surface to pipe fitting processing when, the position of stationary fixture clamping is often because chucking power is led greatly
Cause tube surface damage.
The content of the invention
To consolidate in view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of large-size pipe for being used to be machined
Determine device, the center being welded on using column on support plate, the bottom of lower-left nutted rod and the bottom of bottom right nutted rod pass through activity
Bearing pin is arranged on column, and the bottom of upper left nutted rod is arranged on the top of lower-left nutted rod, upper right by left active pin shaft
The bottom of tight bar is arranged on the top of bottom right nutted rod by right active pin shaft, the top of upper left nutted rod and upper right nutted rod
Top is connected by active pin shaft, and the right-hand member of hydraulic tensioning cylinder is arranged on right active pin shaft by connecting shaft, is tensioned hydraulic axis
In hydraulic tensioning cylinder, the left end for being tensioned hydraulic axis is arranged on left active pin shaft, and left tensioning plate is arranged on left removable pin
On axle, right tensioning plate is arranged on the design on right active pin shaft, and pipe fitting is enclosed on left tensioning plate and right tensioning plate, using being tensioned liquid
Cylinder pressure drives left tensioning plate and right tensioning plate to be tensioned support in pipe fitting, reaches the purpose of pipe fitting fixation, and its design science is reasonable,
It is simple in construction, it is easy to use.
A kind of large-size pipe fixing device for being used to be machined of the present invention, it is included：Bottom plate, electric rotating machine, motor
Axle, support plate, right baffle-plate, left hydraulic cylinder, left hydraulic axis, left taper liner block, right shell body, right hydraulic cylinder, right hydraulic axis, right taper liner block,
Column, lower-left nutted rod, bottom right nutted rod, upper left nutted rod, upper right nutted rod, hydraulic tensioning cylinder, tensioning hydraulic axis, connection
Axle, left active pin shaft, right active pin shaft, active pin shaft, left tensioning plate, right tensioning plate, pipe fitting, described electric rotating machine fix peace
Center on bottom plate, motor shaft are arranged in electric rotating machine, and support plate is welded on the top of motor shaft, the weldering of described right baffle-plate
The left end being connected on support plate, left hydraulic cylinder are fixedly mounted on right baffle-plate, and left hydraulic axis is arranged in left hydraulic cylinder, left taper liner block
The right-hand member being welded in left hydraulic axis, described right shell body are welded on the right-hand member on support plate, and right hydraulic cylinder is fixedly mounted on right gear
On plate, right hydraulic axis is arranged in right hydraulic cylinder, and left end of the right taper liner block welding in right hydraulic axis, described column is welded on
Center on support plate, the bottom of lower-left nutted rod and the bottom of bottom right nutted rod are arranged on column by active pin shaft, upper left
The bottom of nutted rod is arranged on the top of lower-left nutted rod by left active pin shaft, and the bottom of upper right nutted rod passes through right removable pin
Axle is arranged on the top of bottom right nutted rod, and the top of upper left nutted rod is connected with the top of upper right nutted rod by active pin shaft,
The right-hand member of described hydraulic tensioning cylinder is arranged on right active pin shaft by connecting shaft, and tensioning hydraulic axis is arranged on hydraulic tensioning cylinder
Interior, the left end for being tensioned hydraulic axis is arranged on left active pin shaft, and described left tensioning plate is arranged on left active pin shaft, right tensioning
Plate is arranged on right active pin shaft.
Further, described bottom plate is fixed on concrete floor by fot screw, described pipe fitting be enclosed on left tensioning plate and
On right tensioning plate.
Beneficial effects of the present invention are：The present invention is welded on the center on support plate, the bottom of lower-left nutted rod using column
It is arranged on the bottom of bottom right nutted rod by active pin shaft on column, the bottom of upper left nutted rod is installed by left active pin shaft
The top of nutted rod in lower-left, the bottom of upper right nutted rod are arranged on the top of bottom right nutted rod, upper left by right active pin shaft
The top of nutted rod is connected with the top of upper right nutted rod by active pin shaft, and the right-hand member of hydraulic tensioning cylinder is installed by connecting shaft
On right active pin shaft, tensioning hydraulic axis is arranged in hydraulic tensioning cylinder, and the left end for being tensioned hydraulic axis is arranged on left active pin shaft
On, left tensioning plate is arranged on left active pin shaft, and right tensioning plate is arranged on the design on right active pin shaft, and pipe fitting is enclosed on left tensioning
On plate and right tensioning plate, drive left tensioning plate and right tensioning plate to be tensioned support in pipe fitting using hydraulic tensioning cylinder, reach pipe fitting
Fixed purpose, its design science is reasonable, simple in construction, easy to use.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is the structure chart of the present invention.
In figure：1- bottom plates；2- electric rotating machines；3- motor shafts；4- support plates；5- right baffle-plates；6- left hydraulic cylinders；The left hydraulic pressure of 7-
Axle；The left taper liner blocks of 8-；9- right shell bodies；The right hydraulic cylinders of 10-；The right hydraulic axis of 11-；The right taper liner blocks of 12-；13- columns；14- lower-lefts
Tight bar；15- bottom rights nutted rod；16- upper lefts nutted rod；17- upper right nutted rods；18- hydraulic tensioning cylinders；19- is tensioned hydraulic axis；
20- connecting shafts；The left active pin shafts of 21-；The right active pin shafts of 22-；23- active pin shafts；The left tensioning plates of 24-；The right tensioning plates of 25-；26-
Pipe fitting；27- fot screws；28- concrete floors.
Embodiment
It is specific below by what is shown in accompanying drawing to make the object, technical solutions and advantages of the present invention of greater clarity
Embodiment describes the present invention.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit the model of the present invention
Enclose.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring the present invention's
Concept.
As shown in figure 1, a kind of large-size pipe fixing device for being used to be machined, it is included：Bottom plate 1, electric rotating machine 2,
Motor shaft 3, support plate 4, right baffle-plate 5, left hydraulic cylinder 6, left hydraulic axis 7, left taper liner block 8, right shell body 9, right hydraulic cylinder 10, right hydraulic pressure
Axle 11, right taper liner block 12, column 13, lower-left nutted rod 14, bottom right nutted rod 15, upper left nutted rod 16, upper right nutted rod 17,
Tight hydraulic cylinder 18, tensioning hydraulic axis 19, connecting shaft 20, left active pin shaft 21, right active pin shaft 22, active pin shaft 23, left tensioning
Plate 24, right tensioning plate 25, pipe fitting 26, described electric rotating machine 2 are fixedly mounted on the center on bottom plate 1, and motor shaft 3 is arranged on rotation
In rotating motor 2, support plate 4 is welded on the top of motor shaft 3, and described right baffle-plate 5 is welded on the left end on support plate 4, left hydraulic cylinder 6
It is fixedly mounted on right baffle-plate 5, left hydraulic axis 7 is arranged in left hydraulic cylinder 6, and left taper liner block 8 is welded on the right side in left hydraulic axis 7
End, described right shell body 9 are welded on the right-hand member on support plate 4, and right hydraulic cylinder 10 is fixedly mounted in right shell body 9, right hydraulic axis 11
In right hydraulic cylinder 10, right taper liner block 12 is welded on the left end in right hydraulic axis 11, and described column 13 is welded on support plate 4
On center, the bottom of lower-left nutted rod 14 and the bottom of bottom right nutted rod 15 be arranged on column 13 by active pin shaft 23,
The bottom of upper left nutted rod 16 is arranged on the top of lower-left nutted rod 14, the bottom of upper right nutted rod 17 by left active pin shaft 21
The top of bottom right nutted rod 15, the top of upper left nutted rod 16 and the top of upper right nutted rod 17 are arranged on by right active pin shaft 22
End is connected by active pin shaft 23, and the right-hand member of described hydraulic tensioning cylinder 18 is arranged on right active pin shaft 22 by connecting shaft 20
On, tensioning hydraulic axis 19 is arranged on 18 in hydraulic tensioning cylinder, and the left end of tensioning hydraulic axis 19 is arranged on left active pin shaft 21, institute
The left tensioning plate 24 stated is arranged on left active pin shaft 21, and right tensioning plate 25 is arranged on right active pin shaft 22.
Specifically, described bottom plate 1 is fixed on concrete floor 28 by fot screw 27, and described pipe fitting 26 is enclosed on left
On the right tensioning plate 25 of tight plate 24.
In technical scheme, the center that is welded on using column on support plate, the bottom and bottom right of lower-left nutted rod
The bottom of nutted rod is arranged on column by active pin shaft, and the bottom of upper left nutted rod is arranged on lower-left by left active pin shaft
The top of nutted rod, the bottom of upper right nutted rod are arranged on the top of bottom right nutted rod, upper left nutted rod by right active pin shaft
Top connected with the top of upper right nutted rod by active pin shaft, the right-hand member of hydraulic tensioning cylinder is arranged on right work by connecting shaft
On dynamic bearing pin, tensioning hydraulic axis is arranged in hydraulic tensioning cylinder, and the left end for being tensioned hydraulic axis is arranged on left active pin shaft, a left side
Tight plate is arranged on left active pin shaft, and right tensioning plate is arranged on the design on right active pin shaft, and pipe fitting is enclosed on left tensioning plate and the right side
On tensioning plate, drive left tensioning plate and right tensioning plate to be tensioned support in pipe fitting using hydraulic tensioning cylinder, reach pipe fitting fixation
Purpose.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
- A kind of 1. large-size pipe fixing device for being used to be machined, it is characterised in that：Structure includes：Bottom plate, electric rotating are mechanical, electrical Arbor, support plate, right baffle-plate, left hydraulic cylinder, left hydraulic axis, left taper liner block, right shell body, right hydraulic cylinder, right hydraulic axis, right taper liner Block, column, lower-left nutted rod, bottom right nutted rod, upper left nutted rod, upper right nutted rod, hydraulic tensioning cylinder, tensioning hydraulic axis, company Spindle, left active pin shaft, right active pin shaft, active pin shaft, left tensioning plate, right tensioning plate, pipe fitting, described electric rotating machine are fixed Center on bottom plate, motor shaft are arranged in electric rotating machine, and support plate is welded on the top of motor shaft, described right baffle-plate The left end being welded on support plate, left hydraulic cylinder are fixedly mounted on right baffle-plate, and left hydraulic axis is arranged in left hydraulic cylinder, left taper liner Right-hand member of the block welding in left hydraulic axis, described right shell body are welded on the right-hand member on support plate, and right hydraulic cylinder is fixedly mounted on the right side On baffle plate, right hydraulic axis is arranged in right hydraulic cylinder, left end of the right taper liner block welding in right hydraulic axis, the welding of described column Center on support plate, the bottom of lower-left nutted rod and the bottom of bottom right nutted rod are arranged on column by active pin shaft, left The bottom of upper nutted rod is arranged on the top of lower-left nutted rod by left active pin shaft, and the bottom of upper right nutted rod passes through right activity Bearing pin is arranged on the top of bottom right nutted rod, and the top of upper left nutted rod and the top of upper right nutted rod are connected by active pin shaft Connect, the right-hand member of described hydraulic tensioning cylinder is arranged on right active pin shaft by connecting shaft, and tensioning hydraulic axis is arranged on tensioning liquid In cylinder pressure, the left end for being tensioned hydraulic axis is arranged on left active pin shaft, and described left tensioning plate is arranged on left active pin shaft, right Tensioning plate is arranged on right active pin shaft.
- A kind of 2. large-size pipe fixing device for being used to be machined according to claim 1, it is characterised in that：Described Bottom plate is fixed on concrete floor by fot screw, and described pipe fitting is enclosed on left tensioning plate and right tensioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432340.5A CN107378759A (en) | 2017-06-09 | 2017-06-09 | A kind of large-size pipe fixing device for being used to be machined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432340.5A CN107378759A (en) | 2017-06-09 | 2017-06-09 | A kind of large-size pipe fixing device for being used to be machined |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107378759A true CN107378759A (en) | 2017-11-24 |
Family
ID=60332236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432340.5A Pending CN107378759A (en) | 2017-06-09 | 2017-06-09 | A kind of large-size pipe fixing device for being used to be machined |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213990A (en) * | 2018-01-10 | 2018-06-29 | 高佳 | A kind of gear machining apparatus adjusted convenient for workpiece |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04200867A (en) * | 1990-11-30 | 1992-07-21 | Nkk Corp | Backing mechanism of internal clamp for welding pipe for backing material in welding |
| CN2606830Y (en) * | 2003-04-26 | 2004-03-17 | 大庆油田建设集团 | Linking rod pipeline flange connector |
| CN201313257Y (en) * | 2008-10-21 | 2009-09-23 | 潍坊盛瑞动力机械科技有限公司 | Fixture used for processing exhaust pipe of diesel engine |
| CN201848997U (en) * | 2010-10-22 | 2011-06-01 | 北京隆科兴非开挖工程有限公司 | Plastic pipeline welder and clamping and pressurizing device of plastic pipeline welder |
| CN202639875U (en) * | 2012-04-26 | 2013-01-02 | 扬州博世特工具有限公司 | Umbrella-opening type pipeline tensioning mechanism |
| CN103878393A (en) * | 2014-03-31 | 2014-06-25 | 成都振中电气有限公司 | Spool beveling machine |
| CN203927083U (en) * | 2014-06-23 | 2014-11-05 | 济钢集团有限公司 | A kind of fixed pipeline support |
| CN204433368U (en) * | 2015-02-04 | 2015-07-01 | 浙江舟山博斯特船舶设计研究院有限公司 | A kind of anchor fitting of cable drum |
| CN204879040U (en) * | 2015-07-12 | 2015-12-16 | 成都科盛石油科技有限公司 | Petroleum pipeline supports base convenient to remove clamping structure |
| CN105312935A (en) * | 2015-12-08 | 2016-02-10 | 重庆市诚润机械有限公司 | Guide cylinder clamping tool |
| CN105856256A (en) * | 2016-06-09 | 2016-08-17 | 徐洪军 | Robot with circular tube self-centering and fixing functions |
| CN205764672U (en) * | 2016-05-16 | 2016-12-07 | 天津市华彪金属制品有限公司 | Interior pipe clamp |
| CN106514313A (en) * | 2016-11-16 | 2017-03-22 | 宁波市镇海翔遨机电有限公司 | Clamping method for wire pipe welding edge |
-
2017
- 2017-06-09 CN CN201710432340.5A patent/CN107378759A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04200867A (en) * | 1990-11-30 | 1992-07-21 | Nkk Corp | Backing mechanism of internal clamp for welding pipe for backing material in welding |
| CN2606830Y (en) * | 2003-04-26 | 2004-03-17 | 大庆油田建设集团 | Linking rod pipeline flange connector |
| CN201313257Y (en) * | 2008-10-21 | 2009-09-23 | 潍坊盛瑞动力机械科技有限公司 | Fixture used for processing exhaust pipe of diesel engine |
| CN201848997U (en) * | 2010-10-22 | 2011-06-01 | 北京隆科兴非开挖工程有限公司 | Plastic pipeline welder and clamping and pressurizing device of plastic pipeline welder |
| CN202639875U (en) * | 2012-04-26 | 2013-01-02 | 扬州博世特工具有限公司 | Umbrella-opening type pipeline tensioning mechanism |
| CN103878393A (en) * | 2014-03-31 | 2014-06-25 | 成都振中电气有限公司 | Spool beveling machine |
| CN203927083U (en) * | 2014-06-23 | 2014-11-05 | 济钢集团有限公司 | A kind of fixed pipeline support |
| CN204433368U (en) * | 2015-02-04 | 2015-07-01 | 浙江舟山博斯特船舶设计研究院有限公司 | A kind of anchor fitting of cable drum |
| CN204879040U (en) * | 2015-07-12 | 2015-12-16 | 成都科盛石油科技有限公司 | Petroleum pipeline supports base convenient to remove clamping structure |
| CN105312935A (en) * | 2015-12-08 | 2016-02-10 | 重庆市诚润机械有限公司 | Guide cylinder clamping tool |
| CN205764672U (en) * | 2016-05-16 | 2016-12-07 | 天津市华彪金属制品有限公司 | Interior pipe clamp |
| CN105856256A (en) * | 2016-06-09 | 2016-08-17 | 徐洪军 | Robot with circular tube self-centering and fixing functions |
| CN106514313A (en) * | 2016-11-16 | 2017-03-22 | 宁波市镇海翔遨机电有限公司 | Clamping method for wire pipe welding edge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213990A (en) * | 2018-01-10 | 2018-06-29 | 高佳 | A kind of gear machining apparatus adjusted convenient for workpiece |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20171124 |