CN116251877A - Stamping device for mechanical manufacture - Google Patents

Stamping device for mechanical manufacture Download PDF

Info

Publication number
CN116251877A
CN116251877A CN202310035398.1A CN202310035398A CN116251877A CN 116251877 A CN116251877 A CN 116251877A CN 202310035398 A CN202310035398 A CN 202310035398A CN 116251877 A CN116251877 A CN 116251877A
Authority
CN
China
Prior art keywords
plate
base
stamping device
side edge
sliding
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
CN202310035398.1A
Other languages
Chinese (zh)
Inventor
段博峰
宋娟
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.)
Shaanxi University of Technology
Original Assignee
Shaanxi University of Technology
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 Shaanxi University of Technology filed Critical Shaanxi University of Technology
Priority to CN202310035398.1A priority Critical patent/CN116251877A/en
Publication of CN116251877A publication Critical patent/CN116251877A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a machine-made stamping device, which belongs to the technical field of stamping devices and comprises a base, wherein a moving mechanism is arranged at the lower end of the base, a workbench is arranged at the upper end of the base, a plate limiting mechanism is arranged in the workbench, a side plate is arranged at the side edge of the upper end of the base, a top plate is arranged at the upper end of the side plate, and a hydraulic cylinder is arranged at the lower end of the top plate.

Description

Stamping device for mechanical manufacture
Technical Field
The invention belongs to the technical field of stamping devices, and particularly relates to a mechanical manufacturing stamping device.
Background
The stamping is a forming processing method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to enable the plates, the strips, the pipes, the sectional materials and the like to generate plastic deformation or separation.
Chinese patent application No. 201920627282.6 discloses a machine-building stamping device, including bottom plate, riser and roof, install the pneumatic cylinder on the diapire of roof, the clamp plate is installed to the output of pneumatic cylinder, the downside of clamp plate is equipped with the base, the base is fixed on the roof of bottom plate, offered on the roof of base with clamp plate assorted die cavity, the panel has been placed to the upside of die cavity, the inside of die cavity is equipped with pops out the board, the downside symmetry of popping out the board is equipped with branch, the downside of die cavity is equipped with the cavity, two flexible chambeies have been seted up to the bilateral symmetry of cavity. According to the scheme, the plates are positioned through the arrangement of the structures, the plates are accurately and stably placed right above the die cavity, then the pressing plates are driven by the hydraulic cylinders to punch, after operation, the plates can be pushed out of the die cavity, convenient and fast discharging is achieved, the working efficiency is improved, the risk of hot stamping operation can be reduced, potential safety hazards are eliminated, and the operation is easier.
Although the disclosed patent realizes the stamping operation of the plate, the limiting device for the plate is poor in stability, cannot effectively limit the plate, and is complex in structure and troublesome to install; the stamping device that it set up is inconvenient to remove, leads to comparatively difficult when clearing up the dust of stamping device bottom.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a mechanical manufacturing stamping device which has the characteristics of being convenient for limiting a plate and moving the stamping device.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a machine-building stamping device, includes the base, moving mechanism is installed to the lower extreme of base, and the workstation is installed to the upper end of base, and the internally mounted of workstation has panel stop gear, and the curb plate is installed to the upper end side of base, and the roof is installed to the upper end of curb plate, and the pneumatic cylinder is installed to the lower extreme of roof, and the stamping plate is installed to the lower extreme of pneumatic cylinder.
Preferably, the panel stop gear is including popping out board, limiting plate, motor one, slide, two-way lead screw and mounting groove, wherein, motor one is installed to the side of workstation, and the mounting groove has been seted up to the side of workstation, and the output of motor one is located the internally mounted of mounting groove and has two-way lead screw, and two sets of slides are installed to two-way lead screw's surface symmetry, and the limiting plate is installed to the opposite side upper end of slide, and the upper end internally mounted of workstation has to pop out the board.
Preferably, the side edge of the upper end of the workbench is provided with a limit groove corresponding to the limit plate and is in sliding connection with the limit groove.
Preferably, the plate limiting mechanism further comprises a spring and a central rod, wherein the central rod is installed on the side edge of the pop-up plate in a penetrating mode, and the spring is sleeved at the lower end of the pop-up plate on the surface of the central rod.
Preferably, the plate limiting mechanism further comprises a first sliding block and a first sliding groove, wherein the first sliding block is arranged on the side edge of the pop-up plate, and the first sliding groove corresponding to the first sliding block is formed in the inner wall of the workbench.
Preferably, the moving mechanism comprises a lifting plate, a support column, a pulley, a second conical gear, a screw rod, a first conical gear, a rotating rod and a second motor, wherein the second motor is arranged on the side edge of the base, the pulley is arranged at the corner of the lower end of the base, the rotating rod is arranged at the output end of the second motor and is arranged in the base, the first conical gear is arranged at the other end of the rotating rod, the second conical gear is arranged in a meshed manner on the side edge of the first conical gear, the screw rod is arranged in the second conical gear in a penetrating manner, the lifting plate is arranged on the surface of the screw rod, and the support column is arranged at the lower end of the lifting plate.
Preferably, the moving mechanism further comprises a second sliding groove and a second sliding block, wherein the second sliding block is arranged on the side edge of the lifting plate, and the second sliding groove corresponding to the second sliding block is formed in the inner wall of the base.
Preferably, both ends of the screw rod are rotatably connected with the inner wall of the base through bearings.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the plate limiting mechanism is arranged, so that the plate to be stamped can be limited and fixed conveniently, the plate can be kept in a stable state when being stamped, and the stamping accuracy of the plate is prevented from being influenced.
2. According to the invention, the center rod and the spring are arranged, so that the pop-up plate can be automatically reset after being pressed down, and the punched plate can be popped up, so that the plate can be conveniently and rapidly punched.
3. According to the invention, the moving mechanism is arranged, so that the stamping device can be conveniently moved, the stamping device can be conveniently carried, the bottom of the stamping device can be conveniently cleaned, in addition, the assembly can limit the pulley through the support column with adjustable height, and the device is prevented from sliding relative to the ground when in use.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the plate limiting mechanism of the present invention;
FIG. 3 is a cross-sectional view of the plate limiting mechanism of the present invention;
FIG. 4 is a cross-sectional view of the movement mechanism of the present invention;
in the figure: 1. a base; 2. a moving mechanism; 201. a lifting plate; 202. a support column; 203. a pulley; 204. a second chute; 205. a second slide block; 206. a second bevel gear; 207. a screw; 208. a first conical gear; 209. a rotating lever; 210. a second motor; 3. a work table; 4. a plate limiting mechanism; 401. an ejector plate; 402. a limiting plate; 403. a first motor; 404. a slide plate; 405. a two-way screw rod; 406. a mounting groove; 407. a limit groove; 408. a first sliding block; 409. a first chute; 410. a spring; 411. a central rod; 5. a stamping plate; 6. a hydraulic cylinder; 7. a top plate; 8. and a side plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a machine-building stamping device, includes base 1, and moving mechanism 2 is installed to the lower extreme of base 1, and workstation 3 is installed to the upper end of base 1, and board stop gear 4 is installed to the internally mounted of workstation 3, and curb plate 8 is installed to the upper end side of base 1, and roof 7 is installed to the upper end of curb plate 8, and pneumatic cylinder 6 is installed to the lower extreme of roof 7, and stamping plate 5 is installed to the lower extreme of pneumatic cylinder 6.
Specifically, the plate limiting mechanism 4 comprises an ejecting plate 401, a limiting plate 402, a first motor 403, a sliding plate 404, a bidirectional screw rod 405 and a mounting groove 406, wherein the first motor 403 is arranged on the side edge of the workbench 3, the mounting groove 406 is arranged on the side edge of the workbench 3, the bidirectional screw rod 405 is arranged in the mounting groove 406 at the output end of the first motor 403, two groups of sliding plates 404 are symmetrically arranged on the surface of the bidirectional screw rod 405, the limiting plate 402 is arranged at the upper end of the other side of the sliding plate 404, the ejecting plate 401 is arranged in the upper end of the workbench 3,
by adopting the technical scheme, the plate can be conveniently limited.
Specifically, the upper side edge of the workbench 3 is provided with a limit groove 407 corresponding to the limit plate 402 and is connected with the limit groove in a sliding way,
by adopting the technical scheme, the stability of the sliding process of the limiting plate 402 can be improved.
Specifically, the plate limiting mechanism 4 further comprises a spring 410 and a central rod 411, wherein the central rod 411 is installed on the side edge of the pop-up plate 401 in a penetrating manner, the spring 410 is sleeved on the surface of the central rod 411 at the lower end of the pop-up plate 401,
by adopting the technical scheme, the pressed pop-up plate 401 can be automatically reset after being used.
Specifically, the plate limiting mechanism 4 further comprises a first slide block 408 and a first slide groove 409, wherein the first slide block 408 is arranged at the side edge of the ejecting plate 401, the first slide groove 409 corresponding to the first slide block 408 is arranged on the inner wall of the workbench 3,
by adopting the above technical scheme, the stability of the falling process of the pop-up plate 401 can be improved.
When the plate to be punched is used, firstly, the plate to be punched is placed at the upper end of the workbench 3, the first motor 403 is turned on, the first motor 403 drives the bidirectional screw rod 405 inside the mounting groove 406 to rotate through the output end, the bidirectional screw rod 405 rotates to drive the two groups of sliding plates 404 to be close to each other, the two groups of sliding plates 404 are close to each other to drive the limiting plate 402 to slide inside the limiting groove 407 so as to limit the plate, the hydraulic cylinder 6 is turned on, the hydraulic cylinder 6 drives the punching plate 5 to descend so as to punch the plate, at the moment, the plate can be bent, the ejection plate 401 inside the workbench 3 is extruded, the ejection plate 401 is continuously driven to slide downwards, the ejection plate 401 slides downwards so as to compress the spring 410 positioned on the surface of the center rod 411, after the punching plate 5 is reset, the spring 410 is automatically driven to ascend so as to take out the punched plate, and the first sliding block 408 is arranged on the side edge of the ejection plate 401, and the first sliding groove 409 corresponding to the first sliding block 408 is arranged on the inner wall of the workbench 3 so as to improve the stability of the descending process of the ejection plate 401;
example 2
This embodiment differs from embodiment 1 in that: the moving mechanism 2 comprises a lifting plate 201, a support column 202, a pulley 203, a second conical gear 206, a screw 207, a first conical gear 208, a rotating rod 209 and a second motor 210, wherein the second motor 210 is arranged on the side edge of the base 1, the pulley 203 is arranged at the corner of the lower end of the base 1, the rotating rod 209 is arranged at the output end of the second motor 210 and positioned in the base 1, the first conical gear 208 is arranged at the other end of the rotating rod 209, the second conical gear 206 is arranged on the side edge of the first conical gear 208 in a meshed manner, the screw 207 is arranged in the second conical gear 206 in a penetrating manner, the lifting plate 201 is arranged on the surface of the screw 207, the support column 202 is arranged at the lower end of the lifting plate 201,
by adopting the technical scheme, the stamping device can be conveniently moved.
Specifically, the moving mechanism 2 further comprises a second chute 204 and a second slide block 205, wherein the second slide block 205 is arranged at the side edge of the lifting plate 201, the second chute 204 corresponding to the second slide block 205 is arranged on the inner wall of the base 1,
by adopting the above technical scheme, the stability of the lifting process of the lifting plate 201 can be improved.
Specifically, both ends of the screw 207 are rotatably connected to the inner wall of the base 1 through bearings,
by adopting the technical scheme, the gear engagement dislocation of the first conical gear 208 and the second conical gear 206 can be avoided.
In addition, when the stamping device is used, the motor II 210 is opened, the motor II 210 drives the rotating rod 209 to rotate through the output end, the rotating rod 209 rotates to drive the first bevel gear 208 to rotate, the first bevel gear 208 rotates to drive the second bevel gear 206 to rotate, the second bevel gear 206 rotates to drive the screw 207 to rotate, the screw 207 rotates to drive the lifting plate 201 to descend, the second sliding block 205 is installed on the side edge of the lifting plate 201, the second sliding groove 204 corresponding to the second sliding block 205 is formed in the inner wall of the base 1, the stability of the lifting plate 201 in the lifting process can be improved, the lifting plate 201 descends to drive the supporting column 202 to contact with the ground, and therefore the contact area between the base 1 and the ground is increased, and the device is prevented from sliding relatively with the ground in use.
The structure and the use principle of the hydraulic cylinder 6 in the invention are disclosed in a machine manufacturing stamping device in China patent application No. 201920627282.6, and the working principle of the hydraulic cylinder is that the stamping plate 5 can be driven to descend so as to perform stamping operation on a plate.
The working principle and the using flow of the invention are as follows: when the invention is used, firstly, a plate to be punched is placed at the upper end of the workbench 3, the first motor 403 is turned on, the first motor 403 drives the bidirectional screw rod 405 in the mounting groove 406 to rotate through the output end, the bidirectional screw rod 405 rotates to drive the two groups of sliding plates 404 to mutually approach, the two groups of sliding plates 404 mutually approach to drive the limiting plate 402 to slide in the limiting groove 407 so as to limit the plate, the hydraulic cylinder 6 is turned on, the hydraulic cylinder 6 drives the punching plate 5 to descend so as to punch the plate, at the moment, the plate can be bent, so that the ejection plate 401 in the workbench 3 is extruded, the ejection plate 401 is continuously driven to slide downwards, the ejection plate 401 slides downwards so as to compress the spring 410 on the surface of the central rod 411, and after the punching plate 5 is reset, the spring 410 automatically drives the ejection plate 401 to ascend so as to take out the punched plate, and the first sliding groove 409 corresponding to the first sliding plate 408 is arranged on the side edge of the ejection plate 401, so that the stability of the ejection plate 401 in the descending process can be improved; through installing pulley 203 at the lower extreme of base 1, can be convenient for carry stamping device, also make things convenient for the cleaner to clean stamping device's bottom simultaneously, in addition, when stamping device is in use, open motor two 210, motor two 210 passes through the output and drives dwang 209 rotation, dwang 209 rotates and drives bevel gear one 208 rotation, bevel gear one 208 rotates and drives bevel gear two 206 rotation, bevel gear two 206 rotation drives screw 207 rotation, screw 207 rotation drives lifter plate 201 and descends, through installing slider two 205 at lifter plate 201's side, lifter plate 201 goes down and drives support column 202 and ground contact through the spout two 204 of corresponding slider two 205 has been seted up to the inner wall of base 1, thereby increase the area of contact of base 1 and ground, in order to avoid the device when using and the ground produces relative slip.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A machine-made stamping device comprising a base, characterized in that: the lower extreme of base is installed mobile mechanism, and the workstation is installed to the upper end of base, and the internally mounted of workstation has panel stop gear, and the curb plate is installed to the upper end side of base, and the roof is installed to the upper end of curb plate, and the pneumatic cylinder is installed to the lower extreme of roof, and the stamping plate is installed to the lower extreme of pneumatic cylinder.
2. A machine-made stamping device as defined in claim 1, wherein: the plate limiting mechanism comprises an ejecting plate, a limiting plate, a first motor, a first sliding plate, a two-way screw rod and an installing groove, wherein the first motor is installed on the side edge of the workbench, the installing groove is formed in the side edge of the workbench, the two-way screw rod is installed in the installing groove, two groups of sliding plates are symmetrically installed on the surface of the two-way screw rod, the limiting plate is installed on the upper end of the other side of the sliding plate, and the ejecting plate is installed in the upper end of the workbench.
3. A machine-made stamping device as claimed in claim 2, wherein: the side edge of the upper end of the workbench is provided with a limit groove corresponding to the limit plate and is in sliding connection with the limit groove.
4. A machine-made stamping device as claimed in claim 2, wherein: the plate limiting mechanism further comprises a spring and a center rod, wherein the center rod is installed on the side edge of the pop-up plate in a penetrating mode, and the spring is sleeved at the lower end of the pop-up plate on the surface of the center rod.
5. A machine-made stamping device as claimed in claim 2, wherein: the plate limiting mechanism further comprises a first sliding block and a first sliding groove, wherein the first sliding block is arranged on the side edge of the pop-up plate, and the first sliding groove corresponding to the first sliding block is formed in the inner wall of the workbench.
6. A machine-made stamping device as defined in claim 1, wherein: the moving mechanism comprises a lifting plate, a support column, a pulley, a second conical gear, a screw rod, a first conical gear, a rotating rod and a second motor, wherein the second motor is arranged on the side edge of the base, the pulley is arranged at the corner of the lower end of the base, the rotating rod is arranged in the base, the other end of the rotating rod is provided with the first conical gear, the second conical gear is meshed with the side edge of the first conical gear, the screw rod is arranged in the second conical gear in a penetrating mode, the lifting plate is arranged on the surface of the screw rod, and the support column is arranged at the lower end of the lifting plate.
7. A machine-made stamping device as defined in claim 6, wherein: the moving mechanism further comprises a second sliding groove and a second sliding block, wherein the second sliding block is arranged on the side edge of the lifting plate, and the second sliding groove corresponding to the second sliding block is formed in the inner wall of the base.
8. A machine-made stamping device as defined in claim 6, wherein: both ends of the screw rod are rotationally connected with the inner wall of the base through bearings.
CN202310035398.1A 2023-01-10 2023-01-10 Stamping device for mechanical manufacture Pending CN116251877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310035398.1A CN116251877A (en) 2023-01-10 2023-01-10 Stamping device for mechanical manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310035398.1A CN116251877A (en) 2023-01-10 2023-01-10 Stamping device for mechanical manufacture

Publications (1)

Publication Number Publication Date
CN116251877A true CN116251877A (en) 2023-06-13

Family

ID=86678655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310035398.1A Pending CN116251877A (en) 2023-01-10 2023-01-10 Stamping device for mechanical manufacture

Country Status (1)

Country Link
CN (1) CN116251877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118180278A (en) * 2024-04-22 2024-06-14 江苏科茂新材料科技有限公司 Processing technology of metal plate for pop can

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118180278A (en) * 2024-04-22 2024-06-14 江苏科茂新材料科技有限公司 Processing technology of metal plate for pop can

Similar Documents

Publication Publication Date Title
CN112045085B (en) Preparation process of heatable aluminum foil packaging lunch box
CN116251877A (en) Stamping device for mechanical manufacture
CN216937890U (en) Indentation device of automobile punching part
CN215431030U (en) Continuous stamping die for metal stamping
CN116274518A (en) One-step forming equipment for bending and corner cutting of signal disc frame and forming method thereof
CN117140132A (en) Positioning slotting tool and method based on new energy automobile metal fittings
CN212822306U (en) Button stamping forming device
CN114904968A (en) Multi-level stamping die and method for auto parts capable of automatically feeding and discharging materials
CN211757918U (en) A accurate stamping device for hardware processing
CN210308147U (en) Perforating device for plastic film
CN220805130U (en) Mechanical equipment part stamping forming device
CN220901587U (en) Continuous stamping device is used in automobile hinge processing
CN218015367U (en) Automatic manipulator of unloading in electricity for stamping equipment
CN219483952U (en) Metal stamping forming die
CN215032642U (en) Stamping device is used in pump head processing
CN220406815U (en) Stamping die convenient to punching press bits landing
CN218361718U (en) Transfer device and punching machine
CN216881240U (en) One-step forming continuous stamping device
CN216881336U (en) Medical part stamping die capable of being rapidly shaped
CN215431260U (en) Stamping and separating device for automobile hardware insert
CN220992463U (en) Bending forming device for mesh enclosure of electric fan
CN220562257U (en) Edge pressing device for gift box production
CN220782477U (en) Cutting machine with transition pushing function
CN221209569U (en) Metal mechanical stamping equipment convenient to unloading
CN213317332U (en) Stamping forming equipment for tray production and processing

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