CN106584765A - Mold change trolley for self-adaption of lathe height - Google Patents
Mold change trolley for self-adaption of lathe height Download PDFInfo
- Publication number
- CN106584765A CN106584765A CN201611015097.9A CN201611015097A CN106584765A CN 106584765 A CN106584765 A CN 106584765A CN 201611015097 A CN201611015097 A CN 201611015097A CN 106584765 A CN106584765 A CN 106584765A
- Authority
- CN
- China
- Prior art keywords
- unit
- mould
- platform
- self adaptation
- motor
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1742—Mounting of moulds; Mould supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Turning (AREA)
Abstract
The invention relates to a mold change trolley for self-adaption of a lathe height. The mold change trolley comprises a mold carrying platform, at least one set of slide way units arranged on the mold carrying platform, a lifting platform unit arranged below the mold carrying platform, a displacement detecting unit for detecting if the mold carrying platform is aligned to a lathe worktable surface, a driving wheel unit arranged at the bottom of the lifting platform unit, and a controller, wherein two adjacent sets of slide way units are separated through a separation plate; and the slide way units, the lifting platform unit, the displacement detecting unit and the driving wheel unit are all in control connection with the controller. The mold change trolley for self-adaption of the lathe height is suitable for different lathes in a workshop, and is flexible in movement and convenient to use.
Description
Technical field
The present invention relates to a kind of mould replacing trolley of self adaptation lathe height.
Background technology
In current plastic cement industry, can only be changed by crane and manpower when large size plastic jetting-moulding device needs more mold exchange
Mould.The askew operation against rules for skewing and hanging is susceptible to during crane more mold exchange, steel wire rope is also susceptible in drawing process
Mould damages the situation of machine tool.On the other hand as pull distance is difficult control, operator are completely with the sensation of oneself
Operated, easily cause undue force and make mould slide the accident that ground is hurted sb.'s feelings.Additionally, passing through manpower movement large mold
Extremely waste time and energy.
Replace the mould replacing trolley of artificial self adaptation lathe height when also occurring in that on the market and changing the mold for various lathes, but
Be, as existing product species is more, have several different lathes in a general workshop at the same work, different lathes due to
Own specifications are different, and the volume and weight of mould is also different, and the adaptability of the mould replacing trolley of self adaptation lathe height is carried
Higher requirement is gone out.
Application number 201521106164.9 discloses a kind of mould replacing trolley of full-automatic self adaptation lathe height, including board
Part, chassis part, push-and-pull part and guide rail, the chassis part are arranged on guide rail upper end, and board part is located at chassis part
One end, push-and-pull part be located at chassis part the other end, be provided with board part the spacing electric cylinder of board, first sensing
Device, the 5th induction apparatuss and mould is counter links up with, board part, chassis part and push-and-pull part are connected with central control system.But
It is that the mould replacing trolley of above-mentioned self adaptation lathe height is only applicable to large-scale outdoor engineering construction, is not suitable for workshop less in space
Interior lathe is used.
Application number 201410495899.9, discloses a kind of mould replacing trolley system of the self adaptation lathe height of many punch presses,
Including guide rail, the mould replacing trolley of the self adaptation lathe height being arranged on guide rail, guide rail part corresponding with punch press is led
It is parallel with the mould installion table top on punch press to face, two are provided with side by side on the base of the mould replacing trolley of the self adaptation lathe height
Root leading screw, two screw synchronous drive a sliding seat being set on both, in sliding seat along the direction of push-and-pull mould simultaneously
Row are provided with least two row rollers, and sliding seat upper surface is provided with the multipair Mould moving device corresponding from different punch presses or a pair by motor
The controllable Mould moving device of the extension elongation of control, is provided with least two side by side and pushes away mould oil cylinder, push away the piston rod of mould oil cylinder in sliding seat
End is provided with snap fit, and mould side to be changed is provided with the fastener being engaged with snap fit, on the mould installion table top on the punch press
Side near track is provided with two dismountable die positioning pins side by side.But self adaptation lathe height disclosed above is changed
Die station bassinet structure is more complicated, mobile inconvenient.
The content of the invention
For above-mentioned technical problem, the present invention proposes a kind of mould replacing trolley of self adaptation lathe height, while being suitable for car
The mould replacing trolley of the self adaptation lathe height that interior difference lathes are used, and small volume, it is mobile flexible, it is easy to use.
In order to realize above-mentioned technical purpose, the present invention is adopted the following technical scheme that：
A kind of mould replacing trolley of self adaptation lathe height, including：Mould platform is carried, the least one set slideway carried on mould platform is arranged at
Unit, is separated by dividing plate between two adjacent groups slideway unit；
Hoistable platform unit, the hoistable platform unit are arranged at the lower section for carrying mould platform；
Displacement detecting unit, displacement detecting unit are used to detect whether align between the load mould platform and Lathe bench face；
Including the mould replacing trolley for being arranged at self adaptation lathe height carry mould platform on generating laser and be arranged at lathe work
Laser pickoff on table top；
The driving wheel unit of hoistable platform unit bottom is arranged at, drives wheel unit to include driving wheel and carry for the driving wheel
For the second motor of power, between second motor and driving wheel, brake electromagnetic component is provided with；
Controller, the slideway unit, hoistable platform unit, displacement detecting unit and drive wheel unit with the control
Device control connection；
Armrest part, the armrest part are arranged on one side frame of load mould platform, incline to carrying, arrange on armrest part on the outside of mould platform
There is the switch for controlling the slideway unit, hoistable platform unit, displacement detecting unit respectively and driving wheel unit；
Position-limit mechanism, is arranged on the slideway unit away from one end of armrest part, for preventing mould from falling；
Accumulator, for powering to the slideway unit, hoistable platform unit, displacement detecting unit and driving wheel unit.
Each group of slideway unit includes bearing plate, roller, sprocket wheel, chain and the first motor, carries
Dress bearing plate, installs roller on bearing plate；The roller end connects sprocket wheel, passes through a chain between each two sprocket wheel
Connection；First motor is arranged on bearing plate by end flanges.
Draw-in groove is provided between two neighboring slideway on the load mould platform, dividing plate described in clamping in the draw-in groove.
The hoistable platform unit includes：Elevating mechanism, electro-motor, hydraulic pump and chassis, the arm support of elevating mechanism
The two ends of two ends lower mechanical connecting base plate, the central part on chassis arrange electro-motor and hydraulic pump, and hydraulic pump is by electronic
Motor drives, and the expansion link of hydraulic pump is connected with the arm support of elevating mechanism.
The laser pickoff is connected with the prompting apparatuss that align.
The alignment prompting apparatuss are light prompt device.
The position-limit mechanism includes：Anti-fall pin, fairlead, electric cylinder, fairlead are fixed on bearing plate, fairlead
The fixed electric cylinder in lower section, fixes anti-fall pin on the piston rod of electric cylinder, anti-fall pin is higher by rolling because piston rod is moved up
Roller upper surface, the electric cylinder are electrically connected with the controller.
The invention has the beneficial effects as follows：
Firstth, carry mould platform and be divided into multigroup slideway, so once property can place multiple kinds of molds simultaneously on same car.
Secondth, the bottom for carrying mould platform is provided with hoistable platform and displacement detecting unit, and displacement detecting unit is used to detect institute
State and whether align between load mould platform and Lathe bench face；Change the mold car carries the lathe that mould platform can automatically with differing heights
Alignd, it is to avoid artificially align inaccurate.
Three, the second motors are electrically connected with the controller, and corresponding to the signal of telecommunication rotation of controller input, the second motor is matched somebody with somebody
Located at the inner side of driving wheel, and auxiliary force is applied to driving wheel, the second motor of left and right is arranged on same axis, and directly each other
Row are disposed between a pair of driving wheels, and the second motor adopts variable frequency reducer motor.
4th, brake electromagnetic component is disposed between the output shaft and driving wheel of the second motor, brake electromagnetic component
It is electrically connected with the controller, and switches over corresponding to the electric current of controller supply, in the state of electric current does not flow into brake,
Driving wheel is maintained on-position by brake electromagnetic component, in the case where electric current flows into brake electromagnetic component, brake
Driving wheel is switched to non-brake state by electromagnetic component.
Description of the drawings
Fig. 1 is the structural representation of the mould replacing trolley of self adaptation lathe height of the present invention；
Fig. 2 is the side view of mold changing car in Fig. 1；
Fig. 3 is the top view for carrying mould platform；
Fig. 4 is the control block diagram of the mould replacing trolley of self adaptation lathe height of the present invention.
Wherein, 1 is load mould platform；2 is dividing plate；3 is the first motor；4 is electro-motor；5 is driving wheel；6 is armrest part；
51 is the second motor；52 is brake electromagnetic component；7 is anti-fall pin；8 is fairlead；9 is electric cylinder；10 is roller；11 are
Generating laser；12 is laser pickoff；13 is Lathe bench.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in detail.
As depicted in figs. 1 and 2, a kind of mould replacing trolley of self adaptation lathe height, including：Mould platform 1 is carried, load mould is arranged at
Least one set slideway on platform 1, is separated by dividing plate 2 between two adjacent groups slideway, two neighboring cunning on the load mould platform 1
Draw-in groove is provided between road, dividing plate 2 described in clamping in the draw-in groove.Carry mould platform 1 and be divided into multigroup slideway, so at same
Multiple kinds of molds can be placed on the mould replacing trolley of self adaptation lathe height simultaneously disposably.
Slideway described in each group includes bearing plate, roller, sprocket wheel, chain and the first motor 3, carries
Dress bearing plate, installs roller on bearing plate；The roller end connects sprocket wheel, and each two sprocket wheel is connected by a chain
Connect；First motor 3 is arranged on bearing plate by end flanges；
Hoistable platform, the hoistable platform are located in the lower section for carrying mould platform 1, including：Elevating mechanism, electro-motor 4, hydraulic pump
And chassis, the two ends of the two ends lower mechanical connecting base plate of the arm support of elevating mechanism, the central part on chassis arrange electronic horse
Up to 4, hydraulic pump is driven by electro-motor 4, and the expansion link of hydraulic pump is connected with the arm support of elevating mechanism；
Displacement detecting unit, displacement detecting unit are used to detect whether align between the load mould platform and Lathe bench face；
The generating laser 11 carried on mould platform including the mould replacing trolley for being arranged at self adaptation lathe height, and it is arranged at turner
Make the laser pickoff 12 on table top；
And the driving wheel 5 of hoistable platform bottom is arranged at, a pair of driving wheels 5 is flat located at lifting in the way of being spaced each other
The two bottom sides of platform；And a pair of universal wheels, universal wheel is installed on hoistable platform chassis and located at the rear of driving wheel 5.
The second motor 51 is respectively equipped with two driving wheels 5；Braking is provided between second motor 51 and driving wheel 5
Device electromagnetic component 52；Brake electromagnetic component 52 is disposed between the output shaft and driving wheel 5 of the second motor 51, brake electromagnetism
Element 52 is electrically connected with the controller, and switches over corresponding to the electric current of controller supply, does not flow into brake in electric current
Under state, driving wheel 5 is maintained on-position by brake electromagnetic component 52, flows into the feelings of brake electromagnetic component 52 in electric current
Under condition, driving wheel 5 is switched to non-brake state by brake electromagnetic component 52.
Armrest part 6, the armrest part 6 are arranged on 1 one side frame of load mould platform, incline on the outside of mould platform 1 to being carried, handrail
The switch for controlling first motor 3, electro-motor 4 and the second motor 51 respectively is provided with portion 6；Accumulator, is fixedly installed
On hoistable platform chassis, for giving first motor 3, displacement detecting unit, the second motor 51 and brake electromagnetism unit
Part 52 is powered.
One end of armrest part is provided with position-limit mechanism on the slideway, the position-limit mechanism includes anti-fall pin 7, is oriented to
Set 8, electric cylinder 9, fairlead 8 are fixed on bearing plate, and electric cylinder 9, the work of electric cylinder 9 are fixed below fairlead 8
Anti-fall pin 7 is fixed on stopper rod, anti-fall pin 7 is higher by roller upper surface, the electric cylinder 9 and control because piston rod is moved up
Device is electrically connected.
The course of work of the mould replacing trolley of self adaptation lathe height of the present invention is：
Workman controls mould replacing trolley by armrest part and moves in workshop, when dolly is moved near Lathe bench, if little
Vehicle-mounted mould platform is highly consistent with Lathe bench, then start the first motor 3, and roller is rotated, and drives the mould in roller to enter
Enter Lathe bench.If highly inconsistent between little vehicle-mounted mould platform and Lathe bench, start hoistable platform, rise or
Decline, until aliging between the generating laser and laser pickoff on Lathe bench on little vehicle-mounted mould platform, after alignment, swash
Aligned signal is sent to controller, controller control hoistable platform constant height, while controller control alignment by optical receiver
Prompting apparatuss are pointed out, and preferably, the alignment prompting apparatuss are light prompt device；Controller starts the first motor 3, rolling
Roller is rotated, and drives the mould in roller to enter Lathe bench.
Claims (7)
1. a kind of mould replacing trolley of self adaptation lathe height, it is characterised in that include：Mould platform is carried, is arranged on load mould platform
Least one set slideway unit, separated by dividing plate between two adjacent groups slideway unit；
Hoistable platform unit, the hoistable platform unit are arranged at the lower section for carrying mould platform；
Displacement detecting unit, displacement detecting unit are used to detect whether align between the load mould platform and Lathe bench face；
Including the mould replacing trolley for being arranged at self adaptation lathe height carry mould platform on generating laser and be arranged at lathe work
Laser pickoff on table top；
The driving wheel unit of hoistable platform unit bottom is arranged at, drives wheel unit to include driving wheel and carry for the driving wheel
For the second motor of power, between second motor and driving wheel, brake electromagnetic component is provided with；
Controller, the slideway unit, hoistable platform unit, displacement detecting unit and drive wheel unit with the control
Device control connection；
Armrest part, the armrest part are arranged on one side frame of load mould platform, incline to carrying, arrange on armrest part on the outside of mould platform
There is the switch for controlling the slideway unit, hoistable platform unit, displacement detecting unit respectively and driving wheel unit；
Position-limit mechanism, is arranged on the slideway unit away from one end of armrest part, for preventing mould from falling；
Accumulator, for powering to the slideway unit, hoistable platform unit, displacement detecting unit and driving wheel unit.
2. the mould replacing trolley of self adaptation lathe height according to claim 1, it is characterised in that each group of slideway unit is equal
Including bearing plate, roller, sprocket wheel, chain and the first motor, carry and bearing plate is installed on mould platform, install on bearing plate
Roller；The roller end connects sprocket wheel, by a chain connection between each two sprocket wheel；First motor passes through end face
Flange is arranged on bearing plate.
3. the mould replacing trolley of self adaptation lathe height according to claim 1, it is characterised in that phase on the load mould platform
Draw-in groove is provided between adjacent two slideways, dividing plate described in clamping in the draw-in groove.
4. the mould replacing trolley of self adaptation lathe height according to claim 1, it is characterised in that the hoistable platform unit
Including：Elevating mechanism, electro-motor, hydraulic pump and chassis, the two of the two ends lower mechanical connecting base plate of the arm support of elevating mechanism
End, the central part on chassis arrange electro-motor and hydraulic pump, hydraulic pump by electrical motor driven, the expansion link of hydraulic pump with
The arm support connection of elevating mechanism.
5. the mould replacing trolley of self adaptation lathe height according to claim 1, it is characterised in that the laser pickoff with
Alignment prompting apparatuss connection.
6. the mould replacing trolley of self adaptation lathe height according to claim 5, it is characterised in that the alignment prompting apparatuss are
Light prompt device.
7. the mould replacing trolley of self adaptation lathe height according to claim 1, it is characterised in that the position-limit mechanism bag
Include：Anti-fall pin, fairlead, electric cylinder, fairlead are fixed on bearing plate, and electric cylinder is fixed below fairlead, electronic
Anti-fall pin is fixed on the piston rod of cylinder, anti-fall pin is higher by roller upper surface, the electric cylinder because piston rod is moved up
It is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015097.9A CN106584765A (en) | 2016-11-18 | 2016-11-18 | Mold change trolley for self-adaption of lathe height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015097.9A CN106584765A (en) | 2016-11-18 | 2016-11-18 | Mold change trolley for self-adaption of lathe height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106584765A true CN106584765A (en) | 2017-04-26 |
Family
ID=58592193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015097.9A Pending CN106584765A (en) | 2016-11-18 | 2016-11-18 | Mold change trolley for self-adaption of lathe height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106584765A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096692A (en) * | 2017-05-19 | 2017-08-29 | 广汽本田汽车有限公司 | Chassis |
| CN114248340A (en) * | 2021-12-24 | 2022-03-29 | 江西和美陶瓷有限公司 | Mold changing vehicle and mold changing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0320128A2 (en) * | 1987-12-07 | 1989-06-14 | Nippon Sheet Glass Co., Ltd. | Floating mold changer carriage |
| CN1244144A (en) * | 1997-11-26 | 2000-02-09 | 石川岛播磨重工业株式会社 | Apparatus and method for changing metal molds for plate thickness reducing presses, and press metal die |
| CN1970283A (en) * | 2005-11-21 | 2007-05-30 | 天津市天锻压力机有限公司 | Double-work position automatic die-changing system for hydraulic press |
| CN201157872Y (en) * | 2007-12-26 | 2008-12-03 | 天津市天锻压力机有限公司 | Model replacing device of hydraulic press |
| CN202623073U (en) * | 2012-04-17 | 2012-12-26 | 无锡飞石控制系统有限公司 | Quick die-changing bogie |
| CN104875330A (en) * | 2015-06-05 | 2015-09-02 | 张三义 | Multi-machine free moving mold changing vehicle |
| CN105437603A (en) * | 2015-12-23 | 2016-03-30 | 张三义 | Fully-automatic wireless die change cart and fully-automatic wireless die change system for press machine |
-
2016
- 2016-11-18 CN CN201611015097.9A patent/CN106584765A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0320128A2 (en) * | 1987-12-07 | 1989-06-14 | Nippon Sheet Glass Co., Ltd. | Floating mold changer carriage |
| CN1244144A (en) * | 1997-11-26 | 2000-02-09 | 石川岛播磨重工业株式会社 | Apparatus and method for changing metal molds for plate thickness reducing presses, and press metal die |
| CN1970283A (en) * | 2005-11-21 | 2007-05-30 | 天津市天锻压力机有限公司 | Double-work position automatic die-changing system for hydraulic press |
| CN201157872Y (en) * | 2007-12-26 | 2008-12-03 | 天津市天锻压力机有限公司 | Model replacing device of hydraulic press |
| CN202623073U (en) * | 2012-04-17 | 2012-12-26 | 无锡飞石控制系统有限公司 | Quick die-changing bogie |
| CN104875330A (en) * | 2015-06-05 | 2015-09-02 | 张三义 | Multi-machine free moving mold changing vehicle |
| CN105437603A (en) * | 2015-12-23 | 2016-03-30 | 张三义 | Fully-automatic wireless die change cart and fully-automatic wireless die change system for press machine |
Non-Patent Citations (2)
| Title |
|---|
| 孔令来: "《汽车底盘构造与维修》", 31 August 2010, 北京：机械工业出版社 * |
| 李俊婷: "《高职高专"十二五"规划教材 机械电子类 自动检测技术》", 30 April 2011, 青岛：中国海洋大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096692A (en) * | 2017-05-19 | 2017-08-29 | 广汽本田汽车有限公司 | Chassis |
| CN114248340A (en) * | 2021-12-24 | 2022-03-29 | 江西和美陶瓷有限公司 | Mold changing vehicle and mold changing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206277382U (en) | A kind of multiple-station rotation mould replacing trolley | |
| CN206170020U (en) | Automatic it is quick -witted to go up and down, overturn | |
| CN106516553A (en) | Die change trolley | |
| CN206200943U (en) | A kind of mould replacing trolley for carrying multi-mould | |
| CN204320983U (en) | A kind of die change car | |
| CN104551598B (en) | A kind of forcing press quick die change dolly | |
| CN206217051U (en) | A kind of height adaptive mould replacing trolley | |
| CN108892050B (en) | injection mold's lifting device | |
| CN202952428U (en) | Mold replacing machine | |
| CN203865449U (en) | Automotive body component mold loading and unloading automatic transport vehicle | |
| CN210217157U (en) | Mould stripping device of creeping formwork system | |
| CN106426062A (en) | Multi-station die changing trolley | |
| CN102941636A (en) | Die replacing vehicle | |
| CN106276695A (en) | Movably lowering or hoisting gear | |
| CN106426666A (en) | Quick mold change trolley and mold change method thereof | |
| CN108689307B (en) | A kind of hanging method of injection mold | |
| CN106584765A (en) | Mold change trolley for self-adaption of lathe height | |
| CN106553310A (en) | Mould centering and general mould replacing trolley can be made | |
| CN209699346U (en) | A kind of multi-layer board automatic loading and unloading production line | |
| CN109530597A (en) | Heavy dies transport double-U-shaped trolley and fast replacement system and method | |
| CN106734642B (en) | One kind can traversing mould replacing trolley and its die exchange | |
| CN106475473A (en) | A kind of lifting formula mould replacing trolley and its die exchange | |
| CN215508650U (en) | Numerical control rapid die changing device | |
| CN106391881B (en) | A kind of Quick lifting formula mould replacing trolley and its die exchange | |
| CN111285040B (en) | Lining-changing manipulator bridge structure |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |