CN113654425A - Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive - Google Patents
Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive Download PDFInfo
- Publication number
- CN113654425A CN113654425A CN202110973611.4A CN202110973611A CN113654425A CN 113654425 A CN113654425 A CN 113654425A CN 202110973611 A CN202110973611 A CN 202110973611A CN 113654425 A CN113654425 A CN 113654425A
- Authority
- CN
- China
- Prior art keywords
- detonator
- explosive
- multifunctional
- filling mechanism
- emulsion explosive
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/10—Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure
Abstract
The invention discloses a multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosives, which comprises a conveying pipe used for guiding explosives, detonators and stemming into a blast hole, wherein the inlet end of the conveying pipe is provided with a detonator clamping tool and a metal high-pressure air pipe, the conveying pipe is provided with a material receiving bin close to a material pushing rod movement mechanism and is provided with a material distributing wheel mechanism, the material distributing wheel mechanism is provided with four material distributing grooves in an annular array, the material distributing wheel mechanism is provided with hoppers matched with the material distributing grooves, the conveying pipe, the detonator clamping tool and the metal high-pressure air pipe are connected with a mechanical arm, and the mechanical arm and the material distributing wheel mechanism are connected with a control host. In this application, owing to adopt mechanical operation, can realize automatic loading big gun hole, reduce because of the mistake is controlled the potential safety hazard that leads to the casualties of explosive personnel, help improving work efficiency simultaneously.
Description
Technical Field
The invention relates to the technical field of explosive storage, in particular to a multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosives.
Background
At present, explosives commonly used in blasting comprise emulsion explosives, powdery ammonium nitrate explosives, coal mine permitted explosives and the like, and are divided into emulsion explosives packaged by plastic skins from the packaging perspective, commonly called ham sausages, because the appearance of the emulsion explosives is similar to that of the ham sausages, and the packaging method of the emulsion explosives is also the same as that of the ham sausages; still another type is woven bag packed powdered explosives, which are typically used for open air loading of large diameter blastholes.
When the drilling and blasting method is used for excavating the pile well, firstly, blast holes are dug, after the blast holes are drilled, explosives and detonators are filled in the blast holes, then, the blast holes are plugged by using stemming, and the blast hole charging is completed.
When the blast hole is manually filled, the mode of filling the blast hole is as follows: the detonator is inserted into the emulsion explosive at the bottom of the well to form an explosive package, then the explosive package is sent into the hole by using a gun stick made of a bamboo stick, a wood stick or a plastic tube, and the explosive is extruded by using the gun stick, so that the gap between the explosive and the wall of the hole is reduced, the explosive can directly work on the rock when exploding, and the utilization rate of the explosive is improved.
And after the first section of explosive package is filled, whether a second section of explosive is filled is determined according to the charge design of the blast hole. After the explosive is filled, workers use rock fragments or stemming to tightly block the blast holes, so that the acting time of gas in the blast holes during explosive explosion is prolonged, the energy utilization efficiency of the explosive is improved, and flying rocks are prevented.
However, when the manual operation is carried out, because personnel directly contact with the explosive and the detonator, the potential safety hazard of casualties caused by misoperation exists; moreover, the efficiency of simple manual operation is low, and the working progress is seriously influenced.
Disclosure of Invention
The invention aims to provide a multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosives, which can reduce the potential safety hazard of casualties caused by explosion due to misoperation and is beneficial to improving the working efficiency.
In order to solve the technical problem, the scheme of the invention is as follows:
the utility model provides a multi-functional big gun hole filling mechanism suitable for finished product packing emulsion explosive, is including being used for the conveying pipeline for leading-in explosive, detonator and stemming of big gun hole, the conveying pipeline entry end disposes detonator clamping tool and metal highly-compressed air pipe, the conveying pipeline is close to the side of detonator clamping tool and metal highly-compressed air pipe one end has been seted up and has been connect the feed bin, connect the feed bin to dispose and divide the feed wheel mechanism, divide the feed wheel mechanism to be annular array and dispose four minutes silo, divide dispose on the feed wheel mechanism with divide the hopper that the silo matches, conveying pipeline, detonator clamping tool and metal highly-compressed air pipe are connected with the arm, arm and branch feed wheel mechanism are connected with the control host computer.
The discharge end of conveying pipeline is provided with the throat.
The detonator clamping tool comprises a detonator clamping head, a telescopic tongue integrally connected with the detonator clamping head, and a central push rod arranged on the inner side of the telescopic tongue.
A righting ring is arranged on the outer side of the detonator clamping head, the righting ring is connected with a shell, and the shell is sleeved on the outer side of the telescopic tongue.
The righting ring is a rubber part made of rubber materials.
The central push rod is of a hollow structure, the top end of the central push rod is connected with a compressed air generating device, an air valve is arranged on the central push rod, and the air valve is in control connection with the control host.
One side of the distributing groove close to the material receiving bin is an inclined plane, and one side of the distributing groove far away from the material receiving bin is a semi-circular arc surface.
The material receiving bin is provided with a mechanical switch, and the mechanical switch is in control connection with the control host.
Compared with the prior art, the invention has the beneficial effects that:
in this application, at first, blow up like the big gun hole through control host computer control metal highly-compressed air pipe, blow off the inside piece of big gun hole, afterwards, will take out metal highly-compressed air pipe, the control conveying pipeline inserts in the big gun hole, subsequently through the hopper, inject the explosive that fills use bottom the big gun hole to the distributing trough, rethread control host computer control divides the anticlockwise rotation degree of wheel mechanism, the explosive that fills use bottom the big gun hole with the needle rotation degree is through connecing the leading-in conveying pipeline inside of feed bin, promote the explosive through central push rod and compressed air afterwards and fill to the big gun hole bottom, later withdraw from central push rod, corresponding detonator is carried to control detonator clamping head, later the flexible tongue of operation control stretches the detonator bottom the big gun hole installation, withdraw from detonator clamping head afterwards, load corresponding explosive once more. In this application, owing to adopt mechanical operation, can reduce because of the mistake is controlled the potential safety hazard that leads to explosion personnel casualties, help improving work efficiency simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a feed delivery pipe according to the present invention;
FIG. 3 is a diagram illustrating the operation of the center pushrod of the present invention;
FIG. 4 is a schematic view of a connecting structure of a hopper and a material distributing wheel mechanism in the invention;
FIG. 5 is a schematic structural view showing a state in which a detonator clamping head clamps a detonator according to the present invention;
FIG. 6 is a front perspective view of a detonator gripping head of the present invention;
FIG. 7 is a diagram showing the working condition of the center push rod in the present invention;
FIG. 8 is a diagram showing the operation of the metal high-pressure air pipe in the invention blowing out the chips in the blast hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-8, a multi-functional big gun hole filling mechanism suitable for finished product packing emulsion explosive, including being used for the conveying pipeline 1 of leading-in explosive, detonator and stemming for big gun hole 17, 1 entry end of conveying pipeline disposes detonator clamping tool 2 and metal highly-compressed air pipe 4, conveying pipeline 1 is close to the side of detonator clamping tool 2 and metal highly-compressed air pipe 4 one end has been seted up and has been connect feed bin 5, connect feed bin 5 to dispose and divide material wheel mechanism 6, divide material wheel mechanism 6 to be annular array and dispose four branch silo 7, divide dispose on the material wheel mechanism 6 with divide the hopper 8 that silo 7 matches, conveying pipeline 1, detonator clamping tool 2 and metal highly-compressed air pipe 4 are connected with the arm, arm and branch material wheel mechanism 6 are connected with the control host.
In the actual application process, the material distributing wheel mechanism 6 comprises an explosive material distributing mechanism 61 and a stemming material distributing mechanism 62, so that the filling of the explosive and the stemming is facilitated.
The discharge end of the conveying pipeline 1 is provided with a necking part. The material conveying pipe 1 is provided with a necking part, when the central push rod 11 enters the necking position, the centering ring 12 ensures the middle part of the central push rod 11 to move, the material conveying pipe 1 is sealed, compressed gas leaks along a gap between explosive and the wall of the material conveying pipe 1, and the friction resistance between the explosive and the material conveying pipe 1 is reduced; meanwhile, blowing off sundries in the material conveying pipe 1; compressed air forms an air layer spacer between the righting ring 12 and the explosive, and the explosive is protected from being damaged by the central push rod 11 while being pushed to move forwards;
in the present application, the feed pipe 1 is provided with a feed pipe moving mechanism 15 and a feed pipe positioning mechanism 16.
The detonator clamping tool 2 comprises a detonator clamping head 9, a telescopic tongue 10 integrally connected with the detonator clamping head 9, and a central push rod 11 arranged on the inner side of the telescopic tongue 10. The detonator clamping head 9 is used for clamping a detonator, and the telescopic tongue 10 is used for controlling the telescopic of the detonator clamping head 9, so that the installation of the detonator is convenient to operate; the center push rod 11 is mainly used for pushing the explosive and facilitating the filling of the explosive.
In this application, a detonator storage mechanism 14 for holding detonators is also provided.
A righting ring 12 is arranged on the outer side of the detonator clamping head 9, the righting ring 12 is connected with a shell 3, and the shell 3 is sleeved on the outer side of the telescopic tongue 10. The centering ring 12 is mainly used for maintaining the movement of the center push rod 11 without deflection, and the shell 3 is used for maintaining and controlling the operation of the centering ring 12 and limiting the deflection of the telescopic tongue 10.
The righting ring 12 is a rubber component made of rubber material. The device plays a role in sealing gas, reducing the gas leakage amount and cleaning sundries in the conveying pipe 1 in the propelling process;
in addition, in the application, the surfaces of the material conveying pipe 1, the detonator clamping head 9 and the central push rod 11 are protected by special coatings, so that sticky objects such as emulsion explosives and the like are prevented from being adhered;
the central push rod 11 is of a hollow structure, the top end of the central push rod is connected with a compressed air generating device, an air valve is arranged on the central push rod 11, and the air valve is in control connection with the control host. This arrangement is primarily convenient for controlling the compressed air switch inside the center pushrod 11.
In this application, the tail end of the center push rod 11 is connected with a material pushing rod movement mechanism 13, which is mainly convenient for controlling the movement of the center push rod 11.
One side of the distributing chute 7, which is close to the material receiving bin 5, is an inclined plane, and one side of the distributing chute, which is far away from the material receiving bin 5, is a semi-circular arc surface. Divide silo 7 to be close to connect 5 one sides of feed bin for the inclined plane, and during the inside explosive of hopper 8 of being convenient for falls divide silo 7 smoothly, divide silo 7 to keep away from and connect 5 one sides of feed bin for the semicircle cambered surface, when preventing to divide the rotation of feed wheel mechanism 6, the explosive was thrown away from material wheel 6 under the effect of inertia and centrifugal force.
The material receiving bin 5 is provided with a mechanical switch, and the mechanical switch is in control connection with the control host. After a mechanical switch on the material receiving bin 5 is triggered, a signal that the explosive is in place is received, the center push rod 11 pushes the explosive forwards, and high-pressure gas is communicated on the center push rod 11;
in this application, at first, blow up like blast hole 17 in through control host computer control metal high-pressure air pipe 4, blow off the inside piece of blast hole 17, afterwards, will take metal high-pressure air pipe 4 out, control conveying pipeline 1 inserts in blast hole 17, later through hopper 8, inject the explosive that fills up blast hole 17 bottom and use into to feed trough 7, rethread control host computer control feed wheel mechanism 6 anticlockwise rotation 90 degrees, the explosive that fills up blast hole 17 bottom and use through connecing feed bin 5 inside, promote the explosive through central push rod 11 and compressed air afterwards and fill to blast hole 17 bottom, later withdraw from central push rod 11, control detonator clamping head 9 cliies corresponding detonator, later operation control flexible tongue 10 stretches into blast hole 17 bottom installation with the detonator, later withdraw from detonator clamping head 9, corresponding explosive once more. In this application, owing to adopt mechanical operation, can reduce because of the mistake is controlled the potential safety hazard that leads to explosion personnel casualties, help improving work efficiency simultaneously.
In the application, the central push rod 11 is made of a metal part with certain strength and deflection and can pass through a pipe with certain bending degree, and the hollow part is a channel of high-pressure gas;
during operation, according to the explosive amount required by one-time operation, a corresponding amount of emulsion explosives are filled in the hopper 8, and before the emulsion explosives are filled, the integrity of the outer skin of the explosive plastic package is checked, and the explosive plastic package is discarded due to breakage, leakage, untight package or other package defects;
the mechanical arm controls the material conveying pipe to reach the position above a blast hole 1717 needing to be charged, a metal high-pressure air pipe extends into the hole, debris such as rock debris or water in the blast hole 1717 is blown off, the depth of the blast hole 1717 is detected by the high-pressure air pipe, and when the depth of the blast hole 17 is the same as the original recorded size or the error does not exceed the designed value, the next step of work is carried out; when the depth of the blast hole 17 is greatly different from the original size, the continuous work is stopped, and manual treatment is carried out;
the mechanical arm controls the material conveying pipe 1 to be inserted into the processed blast hole 17, the distance from the bottom of the material conveying pipe 1 to the bottom of the blast hole 17 is larger than the length of one section of explosive, and the explosive is prevented from falling into the bottom of the hole and deforming to clamp the material conveying pipe 1 in the blast hole 17;
the central push rod 11 is retracted into the material conveying pipe 1 to reach the rear part of the explosive receiving bin 5, a mechanical switch is touched, and the host machine sends a signal to the material distributing equipment after receiving the signal to prepare for explosive separation;
in addition, in the application, the material distributing wheel mechanism rotates 90 degrees under the control of the control host, and a section of explosive is poured into the material receiving bin 5;
after a mechanical switch on the material receiving bin 5 is triggered, a signal that the explosive is in place is received, the center push rod 11 pushes the explosive forwards, and high-pressure gas is communicated on the center push rod 11;
when the ventilation volume of the compressed air is increased instantly and the pressure is reduced, indicating that the explosive falls into the bottom of the hole, the host machine controls the air valve to close the compressed air on the central push rod 11, the central push rod 11 moves to the opening of the feed delivery pipe 1, the feed delivery pipe 1 and the central push rod 11 move towards the direction of the explosive simultaneously, pressure is applied to the explosive, the explosive is enabled to deform, and the gap between the explosive and the wall of the blast hole 17 is reduced;
after the first explosive is filled, the mechanical arm controls the material conveying pipe 1 and the central push rod 11 to retreat from the orifice of the blast hole 17 and move to a detonator storage bin to prepare for clamping a detonator;
selecting a detonator to be used under the control of the control host, and controlling a detonator pushing cylinder to push the detonator out of the detonator bin;
extending a detonator clamping head 9 out of a material conveying pipe 1, opening the head part of a detonator clamping head 2 to sleeve the tail part of the detonator, retracting the clamping head into a central push rod 11, and tightening the detonator clamping head 2 towards the center and clamping the detonator when the detonator clamping head 2 passes through a taper slope; the detonator clamping head 2 retracts into the material conveying pipe 1 to protect the detonator from being collided in the next movement;
the material conveying pipe 1 moves to the position above the filled explosive with the detonator, the central push rod 11 withdraws to prick the detonator into the explosive, the central push rod 11 of the detonator clamping head 2 pushes the detonator out of the detonator clamping head 2, then the material conveying pipe 1 is pushed out of the hole, compressed air is started, the maximum air quantity is kept for a period of time, and objects adhered to the detonator clamping head 2, the material conveying pipe 1 and the like are blown off;
after the first section of explosive and the detonator in the current blast hole 17 are filled, determining whether to fill a second section of explosive and a third section of explosive according to the charge design; if the steps of separating the explosives and filling the explosives are required to be filled and repeated, the conveying pipeline 1 is not required to be controlled by a mechanical arm to fill the explosives and the detonators in the rest blast holes 17;
after the explosives and detonators in all blast holes 17 are filled, the explosive storage is used up according to the design, the stemming is filled on an explosive storage device, and the package of the stemming is the same as that of the explosives;
determining the quantity of the stemming loaded in each blast hole 17 according to the depth of the unfilled blast holes 17, wherein the quantity is more than the quantity and not less than the quantity;
separating the stemming for filling according to the step of filling the explosive, and compacting the stemming by using a push rod to finish filling of the blast hole 17;
the embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (8)
1. The utility model provides a multi-functional big gun hole filling mechanism suitable for finished product packing emulsion explosive which characterized in that: including being used for conveying pipeline (1) for leading-in explosive, detonator and stemming for big gun hole (17), conveying pipeline (1) entry end disposes detonator clamping tool (2) and metal highly-compressed air pipe (4), conveying pipeline (1) is close to the side of detonator clamping tool (2) and metal highly-compressed air pipe (4) one end has been seted up and has been connect feed bin (5), connect feed bin (5) to dispose and divide material wheel mechanism (6), divide material wheel mechanism (6) to be annular array and dispose four branch silo (7), divide on material wheel mechanism (6) dispose with divide hopper (8) that silo (7) match, conveying pipeline (1), detonator clamping tool (2) and metal highly-compressed air pipe (4) are connected with the arm, arm and divide material wheel mechanism (6) to be connected with the main control system.
2. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 1, wherein: the discharge end of the material conveying pipe (1) is provided with a necking part.
3. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 1, wherein: the detonator clamping tool (2) comprises a detonator clamping head (9), a telescopic tongue (10) integrally connected with the detonator clamping head (9), and a central push rod (11) arranged on the inner side of the telescopic tongue (10).
4. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 3, wherein: a centralizing ring (12) is arranged on the outer side of the detonator clamping head (9), the centralizing ring (12) is connected with a shell (3), and the shell (3) is sleeved on the outer side of the telescopic tongue (10).
5. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 4, wherein: the righting ring (12) is a rubber component made of rubber materials.
6. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 4, wherein: the central push rod (11) is of a hollow structure, the top end of the central push rod is connected with a compressed air generating device, an air valve is arranged on the central push rod (11), and the air valve is in control connection with the control host.
7. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 1, wherein: the material receiving bin (5) is provided with a mechanical switch, and the mechanical switch is in control connection with the control host.
8. The multifunctional blasthole filling mechanism suitable for the finished packaged emulsion explosive according to claim 1, wherein: the side, close to the material receiving bin (5), of the material distributing groove (7) is an inclined plane, and the side, far away from the material receiving bin (5), of the material distributing groove is a semi-circular arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973611.4A CN113654425A (en) | 2021-08-24 | 2021-08-24 | Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973611.4A CN113654425A (en) | 2021-08-24 | 2021-08-24 | Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113654425A true CN113654425A (en) | 2021-11-16 |
Family
ID=78492651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110973611.4A Pending CN113654425A (en) | 2021-08-24 | 2021-08-24 | Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113654425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111975A (en) * | 2022-08-09 | 2022-09-27 | 重庆交通大学 | Automatic explosive detonator inserting device |
| CN115479514A (en) * | 2022-10-13 | 2022-12-16 | 江汉大学 | Device for 3d printing strip explosive in blast hole |
-
2021
- 2021-08-24 CN CN202110973611.4A patent/CN113654425A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111975A (en) * | 2022-08-09 | 2022-09-27 | 重庆交通大学 | Automatic explosive detonator inserting device |
| CN115479514A (en) * | 2022-10-13 | 2022-12-16 | 江汉大学 | Device for 3d printing strip explosive in blast hole |
| CN115479514B (en) * | 2022-10-13 | 2023-11-03 | 江汉大学 | Device for 3d printing of strip-shaped explosive in blast hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113654425A (en) | Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive | |
| WO1992002709A1 (en) | Controlled fracture method and apparatus for breaking hard compact rock and concrete materials | |
| US7565857B2 (en) | Method of charging a container with an energetic material | |
| CN112696999B (en) | Charging device and charging method for deep hole blasting | |
| CN102914227B (en) | A kind of construction method for the novel charge constitution of explosives mix-load truck | |
| US5192819A (en) | Bulk explosive charger | |
| CN108253849A (en) | Coal petrography explosion pre-splitting method and device based on liquid explosives envelope note detonation in deep hole | |
| CN110260739A (en) | A kind of embrasure plugging equipment of mine blasting exploitation | |
| CN215261483U (en) | Multifunctional blast hole filling mechanism suitable for finished product packaged emulsion explosive | |
| CN211824104U (en) | Bidirectional detonating charge structure for upward fan-shaped medium-length hole of underground mine | |
| CA1239550A (en) | Method for charging flowable explosives into upwardly extending boreholes | |
| CN108413826B (en) | Deep hole loosening blasting device and method | |
| CN201159620Y (en) | Deep borehole blasting cartridge | |
| US3063373A (en) | Method of blasting | |
| JPH11173800A (en) | Blasting method and blasting tube | |
| CN107367207A (en) | Segment algorithm is not with axially coupling joint powder charge step Deep-hole Smooth Blasting device | |
| CN114199091A (en) | Detonation cartridge device for upward medium-length hole and charge construction method | |
| CN111336877A (en) | Crack-controllable forced caving blasting method | |
| CN204085343U (en) | Down-hole shothole stemming machine | |
| US6209458B1 (en) | Inflatable plugs for charging blastholes | |
| JP2001050700A (en) | Explosives charger and charging method | |
| JP2002509217A (en) | Feeding device for feeding capsule-shaped cartridge to perforation | |
| KR100768278B1 (en) | Method and apparatus for providing a primer with a detonator in a borehole | |
| CN109238058A (en) | A kind of method for sealing based on swollen plasticity non-Newtonian fluid material | |
| CN104132597B (en) | Down-hole shothole stemming machine |
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 |