CN111196749B - Automatic hanging and airing device for explosive strips - Google Patents
Automatic hanging and airing device for explosive strips Download PDFInfo
- Publication number
- CN111196749B CN111196749B CN202010046833.7A CN202010046833A CN111196749B CN 111196749 B CN111196749 B CN 111196749B CN 202010046833 A CN202010046833 A CN 202010046833A CN 111196749 B CN111196749 B CN 111196749B
- Authority
- CN
- China
- Prior art keywords
- hanging
- airing
- sliding table
- drying
- medicine
- 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.)
- Active
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 41
- 238000001035 drying Methods 0.000 claims abstract description 57
- 239000003814 drug Substances 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides an automatic hanging and drying device for explosive strips, which comprises a hanging and drying arm, a fixed sliding table, an elastic body, a hanging and drying rod, a movable support, a movable sliding table, a first guide rail, a first transmission screw rod, a first bearing seat, a first driving motor, a second guide rail, a second transmission screw rod, a second bearing seat and a second driving motor. According to the invention, the two driving motors drive the hanging and airing arms to reciprocate in different directions, so that the medicine strips pressed and stretched at the lower end of the die can be automatically hung and aired, the medicine hanging length is accurately controlled, the man-machine isolation operation in the medicine hanging process can be realized, and the safety and the medicine strip length precision in the medicine hanging process are improved.
Description
Technical Field
The invention belongs to the technical field of explosive strip receiving, and particularly relates to an automatic hanging and airing device for explosive strips, which is suitable for explosive strips with different numbers and lengths.
Background
In the process of forming explosive products, materials in the formula are firstly pressed and stretched into strips, the strips are dried, and then the strips are cut into medicine granules with fixed length through a granulator so as to be filled and formed subsequently. The explosive hanging method has the advantages of high explosive hanging quality, operation safety and operation efficiency because explosive materials have high dangerousness and a low rejection rate in later granulation and strict requirements on automatic explosive hanging and the explosive hanging length in the explosive drying process.
The condition that operating personnel field operation exists at present explosive strip string of airing in-process, and the operating efficiency is lower to it is great to hang medicine length deviation, and operating personnel has the potential safety hazard. Through analyzing the prior explosive strip hanging and airing equipment and the operation process thereof, the following problems are found to exist: the existing medicine hanging equipment needs an operator to swing the medicine hanging rod on site, the medicine strip is easy to burn in the pressing and stretching process, the safety is poor, and the operation efficiency is low; the existing medicine hanging equipment can not realize hanging and airing of medicine strips with different lengths, and has large error of medicine hanging length, so that more granulation waste materials are generated, and the product utilization rate is low.
Disclosure of Invention
Technical problem to be solved
The invention provides an automatic hanging and drying device for explosive strips, which aims to solve the technical problems of improving the safety, the hanging and drying quality and the hanging and drying efficiency of the explosive strips.
(II) technical scheme
In order to solve the technical problem, the invention provides an automatic hanging and drying device for explosive and explosive strips, which comprises a hanging and drying arm, a fixed sliding table, an elastic body, a hanging and drying rod, a movable support, a movable sliding table, a first guide rail, a first transmission screw rod, a first bearing seat, a first driving motor, a second guide rail, a second transmission screw rod, a second bearing seat and a second driving motor; wherein, the hanging and airing arm is connected with the fixed sliding table, and the elastic body is tightly sleeved on the hanging and airing arm; the hanging and airing rod is connected with the movable support, and the movable support is connected with a first guide rail fixed on the movable sliding table through a sliding sleeve; the first driving screw is connected with the movable sliding table through a first bearing seat, a first driving motor drives the first driving screw to rotate, and the hanging and drying rods reciprocate along the first guide rail under the action of the screw thread pushing force of the first driving screw along with the movable support, so that the reciprocating swing of the hanging and drying rods is realized, and the uniform medicine hanging on the two sides of the hanging and drying rods is completed; the movable sliding table is connected with a second guide rail fixed on the fixed sliding table through a sliding sleeve, a second transmission lead screw is connected with the fixed sliding table through a second bearing seat, a second driving motor drives the second transmission lead screw to rotate, and the hanging and drying rod and the movable support reciprocate along with the movable sliding table under the action of the thread pushing force of the second transmission lead screw, so that the axial movement of the hanging and drying rod is completed, and the hanging and drying of the medicine strips at different positions of the hanging and drying rod are realized.
Furthermore, the fixed sliding table is supported by the machine base with adjustable height.
Further, the hanging and airing arm comprises a bracket and a hanging arm; the support is connected with the fixed sliding table, and the root of the suspension arm is connected with the support.
Further, a connecting rod is arranged between the bracket and the suspension arm.
Further, the suspension arm is of a C-shaped structure.
Further, the two suspension arms are symmetrically arranged.
Further, the elastic body has a hollow shape.
Furthermore, the elastomer is made of fluororubber.
Furthermore, the Shore hardness of the elastomer is 30-40.
Furthermore, the surface roughness of the hanging and drying rod is 10-15 mu m.
(III) advantageous effects
The invention provides an automatic hanging and drying device for explosive strips, which comprises a hanging and drying arm, a fixed sliding table, an elastic body, a hanging and drying rod, a movable support, a movable sliding table, a first guide rail, a first transmission screw rod, a first bearing seat, a first driving motor, a second guide rail, a second transmission screw rod, a second bearing seat and a second driving motor. According to the invention, the two driving motors drive the hanging and airing arms to reciprocate in different directions, so that the medicine strips pressed and stretched at the lower end of the die can be automatically hung and aired, the medicine hanging length is accurately controlled, the man-machine isolation operation in the medicine hanging process can be realized, and the safety and the medicine strip length precision in the medicine hanging process are improved.
The beneficial effects of the invention specifically comprise:
1. the hanging and drying rod is connected with the movable support through a bolt, the movable support is connected with the guide rail through a sliding sleeve, the hanging and drying rod, the movable support and the movable sliding table swing in a reciprocating mode under the driving of the first driving motor and the first transmission lead screw, the hanging and drying rod swings in a reciprocating mode and is mutually extruded with the elastic body, clamping of the medicine strips and hanging and placing of the other side are completed, and automatic hanging and drying of the medicine strips are achieved in the whole process;
2. the frequency of clamping the medicine strips by the hanging and airing rods in unit time is adjusted by changing the forward and reverse rotation frequency of the first driving motor, hanging and airing of the medicine strips in different lengths in a large range are completed, the swinging time of the hanging and airing rods is the same, the hanging and airing lengths of the medicine strips are equal, and the utilization rate of granulation of the medicine strips is improved.
Drawings
FIG. 1 is a schematic view of an automatic hanging device for explosive strips according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a transmission unit according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a hanging arm according to an embodiment of the present invention;
FIG. 4 is a schematic view of an elastomer structure in an embodiment of the invention.
In the figure, 1, a machine base, 2, an elastic body, 3, a medicine strip, 4, a hanging and drying rod, 5, a hanging and drying arm, 6, a second transmission screw rod, 7, a second guide rail, 8, a first bearing seat, 9, a movable support, 10, a first transmission screw rod, 11, a second driving motor, 12, a first guide rail, 13, a first driving motor, 14, a movable sliding table, 15, a second bearing seat, 16, a fixed sliding table, 51, a connecting rod, 52, a rectangular support, 53, a vertical side face, 54, an inner side face, 55, a first inner surface, 56, a second inner surface, 57, a hanging arm, 21, an inner elastic face and 22, an outer elastic face are arranged.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The embodiment provides an automatic hanging and airing device for explosive strips, which comprises a base 1, an elastic body 2, a hanging and airing rod 4, a hanging and airing arm 5, a second transmission screw 6, a second guide rail 7, a first bearing seat 8, a movable support 9, a first transmission screw 10, a second driving motor 11, a first guide rail 12, a first driving motor 13, a movable sliding table 14, a second bearing seat 15 and a fixed sliding table 16, as shown in fig. 1 and 2. Wherein, the hanging and airing arm 5 is connected with the fixed sliding table 16 through a bolt, and the elastic body 2 is tightly sleeved on the hanging and airing arm 5. The hanging and airing rod 4 is connected with a movable support 9 through a bolt, and the movable support 9 is connected with a first guide rail 12 fixed on a movable sliding table 14 through a sliding sleeve; the first driving screw 10 is connected with the movable sliding table 14 through the first bearing seat 8, the first driving motor 13 drives the first driving screw 10 to rotate, the hanging and drying rod 4 reciprocates along the first guide rail 12 under the action of the screw thread pushing force of the first driving screw 10 along with the movable support 9, reciprocating swing of the hanging and drying rod 4 is achieved, and medicine is evenly hung on two sides of the hanging and drying rod 4. The movable sliding table 14 is connected with a second guide rail 7 fixed on the fixed sliding table 16 through a sliding sleeve, a second transmission lead screw 6 is connected with the fixed sliding table 16 through a second bearing seat 15, a second driving motor 11 drives the second transmission lead screw 6 to rotate, and the hanging and drying rod 4 and the movable support 9 reciprocate along the second guide rail 7 under the action of the thread pushing force of the second transmission lead screw 6 along with the movable sliding table 14, so that the axial movement of the hanging and drying rod 4 is completed, and the hanging and drying of the medicine strips 3 at different positions of the hanging and drying rod 4 are realized. The fixed sliding table 16 is supported by the base 1, and the distance between the hanging and airing rod 4 and a base surface can be changed by adjusting the height of the base 1, so that the hanging and airing of the medicine strips 3 with different lengths can be realized. The hanging and airing process of the explosive strips 3 is automatic operation, man-machine isolation operation can be achieved, and safety of hanging and airing the explosive strips is improved.
In the automatic hanging and drying device for medical strips of the embodiment, a hanging and drying rod 4, a second guide rail 7, a first bearing seat 8, a movable support 9, a first transmission screw rod 10, a second driving motor 11, a first guide rail 12, a first driving motor 13, a movable sliding table 14, a second bearing seat 15 and a fixed sliding table 16 jointly form a transmission unit.
As shown in fig. 3, the hanging-airing arm 5 includes a connecting rod 51, a rectangular bracket 52, and a hanging arm 57. The rectangular bracket 52 is connected with the fixed sliding table 16, the root of the suspension arm 57 is connected with the rectangular bracket 52, and two ends of the connecting rod 51 are respectively connected with the rectangular bracket 52 and the suspension arm 57 through welding, so that the rigidity of the suspension arm 57 is effectively improved. The height of the vertical side surface 53 of the rectangular bracket 52 is 850mm, and the length of the inner side surface 54 is 380mm, so that the length of the medicine hanging is determined, and the medicine hanging efficiency is improved. The hanging arm 57 is C-shaped and is provided with a first inner surface 55 and a second inner surface 56 which are perpendicular to each other, the length and the height of the first inner surface 55 are respectively 920mm and 100mm, and the length and the height of the second inner surface 56 are respectively 920mm and 40mm, so that the elastic body 2 can be effectively elastically deformed, an effective clamping force can be provided, and the medicine strip 3 can be hung and dried reliably.
As shown in fig. 4, the elastic body 2 has a hollow shape, and has an inner elastic surface 21 and an outer elastic surface 22, and the inner elastic surface 21 and the outer elastic surface 22 are both flat surfaces, and the distance between the flat surfaces is 4 mm. The elastomer 2 is made of fluororubber, the Shore hardness is 35, and the medicine strip 3 can be reliably clamped.
In this example, the diameter of the hanging and airing rod 4 was 26mm, and the surface roughness was 12.5 μm. The hanging and airing rod 4 moves to extrude the elastic body 2 to clamp the medicine strips 3, and automatic hanging and airing of the medicine strips 3 are achieved. The frequency of clamping the medicine strips 3 by the hanging rod 4 in unit time can be adjusted by changing the forward and reverse rotation frequency of the first driving motor 13, so that the hanging and drying of the medicine strips 3 with different lengths in the range of 400-1500 mm are realized; through the angular displacement volume of adjusting second driving motor 11, change the displacement volume that 4 axial single removed of hanging the pole that dries in the air, can realize hanging the stoving when 1 ~ 50 within range medicine strips 3.
During the use, the automatic device that dries in air of explosive strip of this embodiment arranges the explosive strip mould downside in, extrudes the speed of explosive strip 3 and hangs the swing frequency of medicine length adjustment string pole 4 of drying in the air according to the mould, realizes that the fixed length of explosive strip 3 is hung and is dried in the air, improves the utilization ratio of granulation. The axial moving distance of the hanging and drying rod 4 is controlled by adjusting the rotating frequency and the single rotating angle of the second driving motor 11, so that the hanging and drying of the medicine strips 3 on the hanging and drying rod 4 at different positions are realized. The whole medicine hanging process is isolated operation, the same medicine hanging length can be guaranteed every time, and the safety of the medicine strip hanging and airing process is improved.
Taking the hanging and airing of the explosive strips in the middle process of a certain composite propellant as an example, the automatic hanging and airing device for the explosive strips is adopted to hang and air the explosive strips, 10kg of the explosive strips are continuously pressed and stretched in one time, 50 explosive strips are discharged, the explosive discharging speed is 10mm/s, and the explosive hanging length is 1500 mm. When the operation starts, the automatic hanging and drying device for the explosive strips is arranged below the explosive strip pressing and stretching die, the single-time swinging time length of the hanging and drying rod 4 is adjusted to be 150s on the control interface, the axial single-time moving time length of the hanging and drying rod 4 is 300s, and when the lower end parts of the explosive strips 3 reach the hanging and drying rod 4, the automatic hanging and drying program is started, so that the automatic hanging and drying of 50 explosive strips with the length of 1500mm is realized, and the safety of the hanging and drying process of the explosive strips is improved. After the automatic medicine hanging is finished, the irregular range of the lower end parts of the medicine strips is smaller than 10mm, and compared with the traditional manual medicine hanging irregular range of 60mm, the uniformity of the lower end parts of the medicine strips is improved by 83%, and the utilization rate of medicine strip granulation is increased.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An automatic hanging and drying device for explosive strips is characterized by comprising a hanging and drying arm, a fixed sliding table, an elastic body, a hanging and drying rod, a movable support, a movable sliding table, a first guide rail, a first transmission lead screw, a first bearing seat, a first driving motor, a second guide rail, a second transmission lead screw, a second bearing seat and a second driving motor; wherein,
the hanging and airing arm is connected with the fixed sliding table, and the elastic body is tightly sleeved on the hanging and airing arm; the hanging and drying rod is connected with a movable support, and the movable support is connected with a first guide rail fixed on a movable sliding table through a sliding sleeve; the first driving screw is connected with the movable sliding table through a first bearing seat, the first driving motor drives the first driving screw to rotate, the hanging and drying rod reciprocates along the first guide rail under the action of the screw thread pushing force of the first driving screw along with the movable support, the reciprocating swing of the hanging and drying rod is realized, the medicine strips are squeezed and clamped by the reciprocating swing and the elastic body, and the uniform medicine hanging on two sides of the hanging and drying rod is completed; the movable sliding table is connected with a second guide rail fixed on the fixed sliding table through a sliding sleeve, a second transmission lead screw is connected with the fixed sliding table through a second bearing seat, a second driving motor drives the second transmission lead screw to rotate, the hanging and airing rod and the movable support perform reciprocating motion along the second guide rail under the action of the thread pushing force of the second transmission lead screw along with the movable sliding table, the axial movement of the hanging and airing rod is completed, and hanging and airing of the medicine strips at different positions of the hanging and airing rod are achieved.
2. The automatic hanging and drying device of claim 1, wherein the fixed slipway is supported by a stand with adjustable height.
3. The automatic hanging and airing device according to claim 1, wherein the hanging and airing arm comprises a bracket and a hanging arm; the support is connected with the fixed sliding table, and the root of the suspension arm is connected with the support.
4. The automatic hanging and airing device according to claim 1, wherein a connecting rod is provided between the bracket and the hanging arm.
5. The automatic hanging and airing device according to claim 3 or 4, wherein the hanging arm is of a C-shaped structure.
6. The automatic hanging and airing device according to claim 5, wherein the two hanging arms are symmetrically arranged.
7. The automatic hanging and airing device according to claim 1, wherein the elastic body has a hollow shape.
8. The automatic hanging and airing device according to claim 1, wherein the elastic body is made of a fluororubber material.
9. The automatic hanging and airing device according to claim 1, wherein the shore hardness of the elastic body is 30-40.
10. The automatic hanging and drying device according to claim 1, wherein the surface roughness of the hanging and drying rod is 10 to 15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046833.7A CN111196749B (en) | 2020-01-16 | 2020-01-16 | Automatic hanging and airing device for explosive strips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046833.7A CN111196749B (en) | 2020-01-16 | 2020-01-16 | Automatic hanging and airing device for explosive strips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111196749A CN111196749A (en) | 2020-05-26 |
| CN111196749B true CN111196749B (en) | 2021-06-15 |
Family
ID=70745213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010046833.7A Active CN111196749B (en) | 2020-01-16 | 2020-01-16 | Automatic hanging and airing device for explosive strips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111196749B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202688222U (en) * | 2012-07-12 | 2013-01-23 | 长春汇维科技发展有限公司 | Rotary agent transfer device |
| CN102888744A (en) * | 2012-07-13 | 2013-01-23 | 长春理工大学 | Liftable Clothes airing rack capable of rotating along with light |
| CN203040547U (en) * | 2012-09-27 | 2013-07-10 | 宜宾县越华食品有限责任公司 | Noodle basking rack |
| US9988805B1 (en) * | 2015-03-24 | 2018-06-05 | Mahaffey Fabric Structures LLC | Clearspan fabric structure |
| CN208155002U (en) * | 2018-04-24 | 2018-11-27 | 王登进 | System is dried automatically in a kind of vermicelli room |
| CN208387787U (en) * | 2018-01-31 | 2019-01-18 | 曲靖传丰食品有限责任公司 | One kind salts down cured food materials hanging installation for fermenting |
| CN109553503A (en) * | 2018-12-19 | 2019-04-02 | 西安近代化学研究所 | The compound 4D printing equipment of explosive wastewater photo-thermal and forming method |
-
2020
- 2020-01-16 CN CN202010046833.7A patent/CN111196749B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202688222U (en) * | 2012-07-12 | 2013-01-23 | 长春汇维科技发展有限公司 | Rotary agent transfer device |
| CN102888744A (en) * | 2012-07-13 | 2013-01-23 | 长春理工大学 | Liftable Clothes airing rack capable of rotating along with light |
| CN203040547U (en) * | 2012-09-27 | 2013-07-10 | 宜宾县越华食品有限责任公司 | Noodle basking rack |
| US9988805B1 (en) * | 2015-03-24 | 2018-06-05 | Mahaffey Fabric Structures LLC | Clearspan fabric structure |
| CN208387787U (en) * | 2018-01-31 | 2019-01-18 | 曲靖传丰食品有限责任公司 | One kind salts down cured food materials hanging installation for fermenting |
| CN208155002U (en) * | 2018-04-24 | 2018-11-27 | 王登进 | System is dried automatically in a kind of vermicelli room |
| CN109553503A (en) * | 2018-12-19 | 2019-04-02 | 西安近代化学研究所 | The compound 4D printing equipment of explosive wastewater photo-thermal and forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111196749A (en) | 2020-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108372461B (en) | Full-automatic polishing machine | |
| CN208357787U (en) | A kind of cast cleaning device | |
| CN206731436U (en) | A kind of full-automatic four-degree-of-freedom point gum machine | |
| CN103448228B (en) | The technique of the continuously extruded preparation microporous pipe of a kind of polymeric powder semi-molten | |
| CN111113854B (en) | Mulching film production device and technology thereof | |
| CN111196749B (en) | Automatic hanging and airing device for explosive strips | |
| CN110315745A (en) | A kind of combined type screw rod 3D printing equipment and Method of printing | |
| CN206692303U (en) | High-speed double-row formula linear filling machine | |
| CN207973673U (en) | Glass pipe cutting device | |
| CN207630137U (en) | A kind of clamping device of plastic pipe cutting machine | |
| CN104890286B (en) | Non-woven fabric solid shape bag forming machine | |
| CN207027596U (en) | Cone rubber soft mode back mode device | |
| CN209062660U (en) | A kind of clamping device of numerical control automatic blanking machine | |
| CN112709062A (en) | Underwear fabric and processing system and processing method thereof | |
| CN112709037A (en) | Integrated processing equipment for textile and cloth | |
| CN207548244U (en) | A kind of pipe fitting earhole punching tooling | |
| CN217752652U (en) | Semi-crystalline PEKK pipe extrusion production device | |
| CN206748117U (en) | A kind of beveler for deforming pipe | |
| CN218947719U (en) | Height-adjustable clamping tool | |
| CN219381510U (en) | Rubber extruder convenient to handling | |
| CN220807783U (en) | Circular cutting device for filter paper | |
| CN208722849U (en) | A kind of semiconductor packaging mold replacement type injection head structure | |
| CN208644216U (en) | A kind of pipe cutting machine with automatic pusher | |
| CN209971212U (en) | Medical plastic bottle waste treatment device | |
| CN220902019U (en) | Double-tube-diameter adjustable circular tube intersecting line cutting 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |