CN111807151A - Filament winding device for continuous fiber production and filament winding method thereof - Google Patents

Filament winding device for continuous fiber production and filament winding method thereof Download PDF

Info

Publication number
CN111807151A
CN111807151A CN202010504150.1A CN202010504150A CN111807151A CN 111807151 A CN111807151 A CN 111807151A CN 202010504150 A CN202010504150 A CN 202010504150A CN 111807151 A CN111807151 A CN 111807151A
Authority
CN
China
Prior art keywords
wire
winding
filament
winding roller
continuous fiber
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
Application number
CN202010504150.1A
Other languages
Chinese (zh)
Inventor
俞江
陆洁平
张春苏
朱焕铮
许森飞
周佩芳
陆梦琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cgn Dasheng Electron Accelerator Technology Co ltd
Original Assignee
Cgn Dasheng Electron Accelerator Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cgn Dasheng Electron Accelerator Technology Co ltd filed Critical Cgn Dasheng Electron Accelerator Technology Co ltd
Priority to CN202010504150.1A priority Critical patent/CN111807151A/en
Publication of CN111807151A publication Critical patent/CN111807151A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B65H54/547—Cantilever supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/06—Annular guiding surfaces; Eyes, e.g. pigtails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/003—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to winding of yarns around rotating cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • B65H67/0411—Arrangements for removing completed take-up packages or for loading an empty core for removing completed take-up packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • B65H67/0417—Arrangements for removing completed take-up packages or for loading an empty core for loading an empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Winding Filamentary Materials (AREA)

Abstract

The invention discloses a filament winding device and a filament winding method for continuous fiber production, wherein the device comprises: the wire winding machine comprises a wire winding machine body, at least one wire winding roller arranged on the wire winding machine body, a motor arranged in the wire winding machine body and used for driving the wire winding roller to rotate, a wire guide ring positioned above the wire winding roller, a driving mechanism used for enabling the position of the wire guide ring to horizontally move, and a fixed seat used for fixing the wire guide ring; the method is controlled by a PLC controller to be carried out based on the device. By the mode, the original large turntable simple structure is abandoned, the internal structure of the winding machine is simplified, the driving mechanism drives the wire guide ring to move, the winding rollers are convenient to switch, the winding rollers can rotate stably, the diameter of the protofilament fiber is uniform, the friction damage during winding is reduced, and the damage to the protofilament fiber structure is greatly reduced.

Description

Filament winding device for continuous fiber production and filament winding method thereof
Technical Field
The invention relates to the technical field of continuous fiber production, in particular to a filament winding device for continuous fiber production and a filament winding method thereof.
Background
The silicon carbide fiber, the silicon nitride fiber, the alumina ceramic fiber and the carbon fiber are high-performance fibers with high temperature resistance, high mechanical strength and high corrosion resistance, and have unique application value in the fields of engineering material modification, engines, aerospace, ships, nuclear power equipment and the like. The main processes for preparing the high-performance inorganic fiber comprise the processes of precursor preparation, precursor spinning, fiber strand solidification, fiber strand sintering or carbonization and the like. The difficulty lies in the spinning and the forming of fiber protofilament, wherein the winding of protofilament directly influences the diameter and the structure of the final formed fiber, and further influences the mechanical property of the sintered protofilament. The existing winder adopts a large turntable rotation switching mode, namely, a winding roller and a winding roller driving motor are fixed on a large turntable, and winding is carried out by rotating and switching the large turntable, because the winding roller and the driving motor thereof have larger weight, the large turntable is required to have higher structural strength, the large turntable needs to be made thick and heavy to avoid deformation caused by uneven stress of the large turntable, meanwhile, the two winding rollers rotate at high speed, the dynamic balance requirement of the large turntable is also considered, and meanwhile, the rotation of the large turntable has great difficulty on the electrical design of the two winding rollers. Therefore, the existing winder has the defects of complex internal transmission structure, unreasonable switching mode of the winding rollers and the like.
Disclosure of Invention
The invention mainly solves the technical problem of providing a filament winding device for continuous fiber production and a filament winding method thereof, so as to solve the defects in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a filament winding device for continuous fiber production, comprising: the wire winding machine comprises a wire winding machine body, at least one wire winding roller arranged on the wire winding machine body and a motor arranged in the wire winding machine body and used for driving the wire winding roller to rotate; the wire winding device further comprises a wire guide ring positioned above the wire winding roller, a driving mechanism used for enabling the position of the wire guide ring to move horizontally, and a fixed seat used for fixing the wire guide ring.
In a preferred embodiment of the present invention, the device further includes a PLC controller, electrically connected to the driving mechanism, for controlling the driving mechanism to operate to control the stroke of the guide wire ring.
In a preferred embodiment of the present invention, the filament winding machine body is further provided with a slide rail, and the fixing seat is mounted on the slide rail.
In a preferred embodiment of the present invention, the driving mechanism is a servo motor, a threaded rod parallel to the sliding rail is connected to an output shaft end of the servo motor, and a threaded groove matched with the threaded rod is formed in the fixed seat.
In a preferred embodiment of the invention, two of the forming rolls are horizontally arranged and rotate oppositely.
In a preferred embodiment of the present invention, the linear speed of the winding roll is 0-2000 m/min, and the displacement speed of the filament guiding ring is 0-30 cm/s.
In order to solve the technical problems, the invention also provides a technical scheme that: a filament winding method of a filament winding device for continuous fiber production comprises the following steps:
(1) setting parameters of a wire winding device, including a wire guide ring zero position, a wire winding roller linear speed, a wire guide ring displacement speed and a wire winding full bobbin time;
(2) the PLC controller controls the travel of the filament guiding ring to be S1, and the fiber tows penetrate through the filament guiding ring and then are wound on a filament drum of the left filament winding roller;
(3) after the preset full-bobbin winding time of the left winding roller, the PLC controller controls the guide wire to have a circular stroke of S2, the left winding roller stops rotating, the fiber tows are wound on the bobbin on the right winding roller, and then the PCL controller controls the guide wire to have a circular stroke of S3;
(4) taking down the wire tube on the left wire winding roller and replacing the wire tube with a new wire tube;
(5) after the preset full-bobbin winding time of the right winding roller, the PLC controller controls the guide wire to have a circular stroke of S4, the right winding roller stops rotating, the fiber tows are wound on the bobbin on the left winding roller, and then the PCL controller controls the guide wire to have a circular stroke of S1;
(6) taking down the wire tube on the right wire winding roller and replacing with a new wire tube;
(7) and (5) repeating the steps (2) to (6) until the winding is finished.
In a preferred embodiment of the invention, the guide wire loop stroke is S2> S3> S1> S4.
The invention has the beneficial effects that: the invention abandons the original simple structure of the large turntable, simplifies the internal structure of the winding machine, drives the wire guide ring to move through the driving mechanism, is convenient to switch the winding rollers, can ensure the stable rotation of the winding rollers, is beneficial to the uniformity of the diameters of the protofilament fibers, reduces the friction damage during winding, and greatly reduces the damage to the protofilament fiber structure.
Drawings
FIG. 1 is a schematic view of the overall structure of a filament winding device for continuous fiber production;
FIG. 2 is a schematic view of the direction of rotation of two of the winding rolls;
FIGS. 3-6 are schematic views showing the variation in the position displacement of the guide wire ring during the practice of the present invention;
the parts in the drawings are numbered as follows: 1. the wire winding machine comprises a wire winding machine body, 2 wire winding rollers, 3 wire guide rings, 4 driving mechanisms, 5 fixing seats, 6 sliding rails, 7 threaded rods, 8 connecting rods.
Detailed Description
Referring to fig. 1, an embodiment of the present invention includes:
a filament winding device for continuous fiber production, comprising: the automatic winding machine comprises a winding machine body 1, at least one winding roller 2 arranged on the winding machine body 1, and a motor (not shown) arranged in the winding machine body 1 and used for driving the winding roller 2 to rotate; the wire winding device further comprises a wire guide ring 3 positioned above the wire winding roller 2, a driving mechanism 4 used for enabling the position of the wire guide ring 3 to move horizontally, and a fixing seat 5 used for fixing the wire guide ring 3, specifically, the wire guide ring 3 is installed on a connecting rod 8 fixedly connected with the fixing seat 5, and the driving mechanism 4 drives the fixing seat 5 to move so as to adjust the position of the wire guide ring 3.
In this embodiment, there are two winding rollers 2, which are horizontally arranged on the same end surface of the winding machine body 1 from left to right and rotate oppositely, as shown in fig. 2, the winding roller 2 on the left side is driven by a motor to rotate clockwise, and the winding roller 2 on the right side is driven by the motor to rotate counterclockwise; further, the two winding rollers 2 have the same rotational linear speed which is 0-2000 m/min.
With reference to fig. 1, the filament winding machine body 1 is further provided with a slide rail 6, and the fixing seat 5 is mounted on the slide rail 6 and can horizontally move along the slide rail 6; the driving mechanism 4 is a servo motor, the output shaft end of the servo motor is connected with a threaded rod 7 parallel to the sliding rail 6, a threaded groove matched with the threaded rod 7 is formed in the fixing seat 5, the servo motor drives the threaded rod 7 to rotate, the fixing seat 5 moves on the threaded rod 7, and the position of the wire guide ring 3 is adjusted.
The filament winding device for continuous fiber production further comprises a PLC controller, wherein the PLC controller is electrically connected with the driving mechanism 4 and is used for controlling the driving mechanism 4 to act so as to control the stroke of the guide wire ring 3.
Further, the displacement speed of the wire guide ring 3 is 0-30 cm/s.
Referring to fig. 3 to 6, the method for winding filaments by using the filament winding device for continuous fiber production according to the present invention comprises the steps of:
(1) setting parameters of a wire winding device, including a wire guide ring zero position, a wire winding roller linear speed, a wire guide ring displacement speed and a wire winding full bobbin time;
(2) the PLC controller controls the travel of the filament guiding ring to be S1, and the fiber tows penetrate through the filament guiding ring and then are wound on a filament drum of the left filament winding roller;
(3) after the preset full-bobbin winding time of the left winding roller, the PLC controller controls the guide wire to have a circular stroke of S2, the left winding roller stops rotating, the fiber tows are wound on the bobbin on the right winding roller, and then the PCL controller controls the guide wire to have a circular stroke of S3;
(4) taking down the wire tube on the left wire winding roller and replacing the wire tube with a new wire tube;
(5) after the preset full-bobbin winding time of the right winding roller, the PLC controller controls the guide wire to have a circular stroke of S4, the right winding roller stops rotating, the fiber tows are wound on the bobbin on the left winding roller, and then the PCL controller controls the guide wire to have a circular stroke of S1;
(6) taking down the wire tube on the right wire winding roller and replacing with a new wire tube;
(7) and (5) repeating the steps (2) to (6) until the winding is finished.
Wherein the guide wire loop stroke S2> S3> S1> S4.
The technical solution of the present invention is further described in detail by several embodiments in conjunction with the drawings, however, the embodiments are only selected to illustrate the present invention and do not limit the scope of the present invention.
Example 1:
(1) the PLC controls the wire guide ring travel to be S1, the linear speed of a wire winding roller is set to be 350m/min, the displacement speed of the wire guide ring is set to be 10cm/S, and the full bobbin time of wire winding is set to be 3 minutes;
(2) drawing the polysilazane precursor fiber to pass through a wire guide ring and then winding the fiber on a wire barrel on a wire winding roller on the left side;
(3) after the winding time is 3 minutes, the PLC controls the wire guiding loop to move to S2, the left winding roller stops rotating, the polysilazane precursor fiber is wound on the wire barrel on the right winding roller, and then the PLC controls the wire guiding loop to move to S3;
(4) taking down the left wire forming tube and replacing with a new wire forming tube;
(5) and after the winding time of the right winding roller is over 3 minutes, the PLC controller automatically switches the control program to the left winding roller, and the process is circulated.
Example 2:
(1) the PLC controls the wire guide ring travel to be S1, the linear speed of a wire winding roller is set to be 500m/min, the displacement speed of the wire guide ring is set to be 15cm/S, and the full bobbin time of the wire winding is set to be 2.5 minutes;
(2) drawing the poly-borosilazane precursor fiber to pass through a wire guide ring and then winding the poly-borosilazane precursor fiber onto a wire barrel on a wire winding roller on the left side;
(3) after the winding time is 2.5 minutes, the PLC controller controls the guide wire to have a loop travel of S2, the left winding roller stops rotating, the polysilazane precursor fiber is wound on the wire barrel on the right winding roller, and then the PLC controller controls the guide wire to have a loop travel of S3;
(4) taking down the left wire forming tube and replacing with a new wire forming tube;
(5) after the winding time of the right winding roller is over 2.5 minutes, the PLC control program is automatically switched to the left winding roller, and the process is circulated.
The fibers that can be processed according to the present invention include brittle spun fibers such as polysilazane, polysilacarborane, polysilazane, polysilaborazane, and the like, but are not limited thereto.
In conclusion, the invention abandons the original simple structure of the large turntable, simplifies the internal structure of the winding machine, drives the wire guide ring to move through the driving mechanism, is convenient to switch the winding rollers, can ensure that the winding rollers rotate stably, is beneficial to the uniformity of the diameter of the protofilament fiber, reduces the friction damage during winding, and greatly reduces the damage to the protofilament fiber structure.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements that are referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, are not to be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all changes, equivalent structures, equivalent processes, and all related technical fields that are made by using the contents of the present specification and the drawings, or indirectly, are included in the scope of the present invention.

Claims (8)

1. A filament winding device for continuous fiber production, comprising: the wire winding machine comprises a wire winding machine body, at least one wire winding roller arranged on the wire winding machine body, and a motor arranged in the wire winding machine body and used for driving the wire winding roller to rotate.
2. The filament winding device for continuous fiber production according to claim 1, further comprising a PLC controller electrically connected to the driving mechanism for controlling the driving mechanism to operate to control the stroke of the filament guiding ring.
3. The filament winding device for continuous fiber production according to claim 1, wherein the filament winding machine body is further provided with a slide rail, and the fixing seat is mounted on the slide rail.
4. The filament winding device for continuous fiber production according to claim 3, wherein the driving mechanism is a servo motor, a threaded rod parallel to the slide rail is connected to an output shaft end of the servo motor, and a threaded groove matched with the threaded rod is formed in the fixed seat.
5. The filament winding device for continuous fiber production according to any one of claims 1 to 4, wherein the two winding rolls are horizontally disposed and rotated in opposite directions.
6. The filament winding device for continuous fiber production according to claim 5, wherein the linear speed of rotation of the filament winding roller is 0 to 2000m/min, and the displacement speed of the filament guide ring is 0 to 30 cm/s.
7. A filament winding method of a filament winding device for continuous fiber production is characterized by comprising the following steps:
(1) setting parameters of a wire winding device, including a wire guide ring zero position, a wire winding roller linear speed, a wire guide ring displacement speed and a wire winding full bobbin time;
(2) the PLC controller controls the travel of the filament guiding ring to be S1, and the fiber tows penetrate into the filament guiding ring and then are wound on a filament drum of the left filament winding roller;
(3) after the preset full-bobbin winding time of the left winding roller, the PLC controller controls the travel of the yarn guiding ring to be S2, the left winding roller stops rotating, the fiber tows are wound on the bobbin on the right winding roller, and then the PCL controller controls the travel of the yarn guiding ring to be S3;
(4) taking down the wire tube on the left wire winding roller and replacing the wire tube with a new wire tube;
(5) after the preset full-bobbin winding time of the right winding roller, the PLC controller controls the travel of the yarn guiding ring to be S4, the right winding roller stops rotating, the fiber tows are wound on the bobbin on the left winding roller, and then the PCL controller controls the travel of the yarn guiding ring to be S1;
(6) taking down the wire tube on the right wire winding roller and replacing with a new wire tube;
(7) and (5) repeating the steps (2) to (6) until the winding is finished.
8. The filament winding method of the filament winding device for continuous fiber production according to claim 7, wherein the guide wire loop stroke S2> S3> S1> S4.
CN202010504150.1A 2020-06-05 2020-06-05 Filament winding device for continuous fiber production and filament winding method thereof Pending CN111807151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010504150.1A CN111807151A (en) 2020-06-05 2020-06-05 Filament winding device for continuous fiber production and filament winding method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010504150.1A CN111807151A (en) 2020-06-05 2020-06-05 Filament winding device for continuous fiber production and filament winding method thereof

Publications (1)

Publication Number Publication Date
CN111807151A true CN111807151A (en) 2020-10-23

Family

ID=72844632

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010504150.1A Pending CN111807151A (en) 2020-06-05 2020-06-05 Filament winding device for continuous fiber production and filament winding method thereof

Country Status (1)

Country Link
CN (1) CN111807151A (en)

Similar Documents

Publication Publication Date Title
US3371877A (en) Method for packaging multistrand roving
CN110550499B (en) Intelligent glass fiber forming and winding equipment
CN107624104B (en) Winding machine
CN100480159C (en) Method and device for winding several threads
CN1950283B (en) Method and device for continuously winding up several threads
CN109989139B (en) Novel glass fiber forming and winding equipment
CN1091063C (en) Method and device for spooling continuously running thread
CN212503357U (en) Filament winding device for continuous fiber production
CN111807151A (en) Filament winding device for continuous fiber production and filament winding method thereof
JP4796138B2 (en) Winder with controlled secondary stroke
CN101920872B (en) Tension control device and tension regulation method of automatic winder
JPH10168673A (en) Production of spinning cop in pot spinning apparatus
CN108466869B (en) Shifting fork device of high-speed precise bobbin winder and operation method thereof
JP4987964B2 (en) Method for manufacturing a winding package having a separate strand
CN210763656U (en) Colored fiber yarn guiding device for textile machinery
CN210134198U (en) Novel glass fiber forming and winding equipment
CN1938210B (en) Take-up winding device
US3697008A (en) Apparatus for packaging linear material
CN101027437B (en) Machine for twisting a fibrous textile material
CN1654294A (en) Device for winding multi-strand multifilament bundle
JPH01150678A (en) Fragile fiber bundle doubler
CN212356040U (en) Three-freedom-degree linkage winding spindle winder
CN113968672A (en) Device and method for controlling anchor rod swing in anchor rod production
CN105568462A (en) Crocheting fancy twisting machine
JP2008522926A (en) Winder

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
CB02 Change of applicant information
CB02 Change of applicant information

Country or region after: China

Address after: 215200 Zhongqiao International Logistics Science Park, Pingwang Town, Wujiang District, Suzhou City, Jiangsu Province

Applicant after: CGN DASHENG ELECTRON ACCELERATOR TECHNOLOGY Co.,Ltd.

Address before: No. 1288, Shexi Road, Beishe community, Lili Town, Wujiang District, Suzhou City, Jiangsu Province

Applicant before: CGN DASHENG ELECTRON ACCELERATOR TECHNOLOGY Co.,Ltd.

Country or region before: China