CN107856120A - A kind of pressing equipment for film punching - Google Patents
A kind of pressing equipment for film punching Download PDFInfo
- Publication number
- CN107856120A CN107856120A CN201711052468.5A CN201711052468A CN107856120A CN 107856120 A CN107856120 A CN 107856120A CN 201711052468 A CN201711052468 A CN 201711052468A CN 107856120 A CN107856120 A CN 107856120A
- Authority
- CN
- China
- Prior art keywords
- film
- punching
- feeding
- press
- punching press
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
- B65H16/103—Arrangements for effecting positive rotation of web roll in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
- B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
Abstract
The present invention discloses a kind of pressing equipment for film punching, including：Material separating device under press work platform, the film feeding device on press work platform, film decompressor and film, film decompressor are arranged under film feeding device and film between material separating device.Film decompressor includes：Press work support, the pressing part above press work support and the punching press buffer table below press work support, punching press buffer stopper is installed on punching press buffer table, punching press buffer stopper is flexible.The pressing equipment for film punching of the present invention is by setting material separating device under film feeding device, film decompressor and film, so as to realize processing technology that the feeding of film, punching press separate with blanking, thus it instead of the artificial mode of production, while production efficiency is improved, also improve the precision of processing so that the product quality processed is higher.
Description
Technical field
The present invention relates to stamping technology field, more particularly to a kind of pressing equipment for film punching.
Background technology
With society continuous development and science and technology continuous progress, mechanization, automation, standardized production gradually into
For development trend, traditional manual production mode, the demand for development in epoch is not adapted to more and more.
Cost, existing processing side can just be obtained by the different process of multiple tracks by being generally required in the punch process of film
Formula is to carry out semi-automatic punch process operation using the artificial stamping machine with reference to corresponding to.Artificial mode not only needs consumption a large amount of
Time, cause production efficiency not high, and artificial mode of operation easily brings damage to film stamping products, so as to influence
The product entirety quality of production.Therefore, a kind of pressing equipment how is designed to replace manually-operated semiautomatic fashion be this area
Technical staff needs to solve the problems, such as.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art, there is provided a kind of punching press for film punching is set
It is standby, so as to effectively improve punch process efficiency and stamping quality.
The purpose of the present invention is achieved through the following technical solutions：
A kind of pressing equipment for film punching, including：It is press work platform, thin on the press work platform
Material separating device under film feeding device, film decompressor and film, the film decompressor are arranged on the film feeding
Under device and the film between material separating device；
The film decompressor includes：Press work support, the pressing part above the press work support
And the punching press buffer table below the press work support, punching press buffer stopper, institute are installed on the punching press buffer table
It is flexible to state punching press buffer stopper.
As a kind of preferable scheme of the present invention, the both sides of the punching press buffer table are mounted on punching press transmission and are oriented to
Block, transmission guide groove is offered on the punching press guide pad.
As a kind of preferable scheme of the present invention, the punching press buffer stopper is bump rubber.
As a kind of preferable scheme of the present invention, the pressing part is pneumatic stamping machine.
As a kind of preferable scheme of the present invention, the bottom of the press work platform is provided with multiple punching press buffering pin
Pad.
Compared with prior art, the present invention has advantages below：
The pressing equipment for film punching of the present invention is by setting film feeding device, film decompressor and film
Lower material separating device, so as to realize processing technology that the feeding of film, punching press separate with blanking, it thus instead of artificial production
Mode, while production efficiency is improved, also improve the precision of processing so that the product quality processed is higher.
Brief description of the drawings
Fig. 1 is the structure chart of the pressing equipment for film punching of one embodiment of the invention；
Fig. 2 is the structure chart of the film feeding device of the pressing equipment for film punching in Fig. 1；
Fig. 3 be Fig. 1 in the pressing equipment for film punching film under material separating device structure chart；
Fig. 4 is the structure chart of the blanking cutting part in Fig. 3.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
As shown in figure 1, the figure of structure 10 of the pressing equipment for film punching for one embodiment of the invention.
A kind of pressing equipment 10 for film punching, including：Press work platform 100, on press work platform 100
Film feeding device 200, material separating device 400 under film decompressor 300 and film, film decompressor 300 is arranged on
Under film feeding device 200 and film between material separating device 400.
Pressing equipment 10 for film punching enters to need the film of punching press to carry out feeding extremely by film feeding device 200
Under film decompressor 300 and film at material separating device 400, film decompressor 300 is punched out processing to film, completes
Film after punching processing carries out blanking separation by material separating device under film 400, so as to complete the automatic punching to film
Operation.
In the present embodiment, the bottom of press work platform 100 is provided with multiple punching press buffering foot pads 110, so as to ensure to rush
Pressure workbench 100 allows holding stable when film decompressor 300 works, and thus improves the precision of punching press.
Further, press work platform 100 be located at material separating device 400 under the film lower section offer blanking transmission
Slideway 120, complete punching press film separated by material separating device under film 400 can fall to blanking transmission slideway 120 at,
Then blanking is carried out under gravity to be sent on corresponding position.
Referring to Fig. 1, the concrete structure of film decompressor 300 is illustrated：
Film decompressor 300 includes：Press work support 310, the pressing part above press work support 310
320 and the punching press buffer table 330 installed in the lower section of press work support 310, punching press buffer stopper is installed on punching press buffer table 330
331, punching press buffer stopper 331 is flexible.In the present embodiment, pressing part 320 is pneumatic stamping machine.
Further, the both sides of punching press buffer table 330 are mounted on punching press transmission guide pad 340, on punching press guide pad 340
Offer transmission guide groove 341.By opening up transmission guide groove 341 on punching press guide pad 340, the transmission of film can be limited
Position, allow its orderly carry out transfer operation, and can prevent film from position skew occurring in punching course.
In the present embodiment, punching press buffer stopper 331 is bump rubber, and punching press buffer stopper 331 plays in punching course
The effect of buffering, the precision of punching press can be provided, prevent punching course from producing violent vibrations so as to influence press work.
It is noted that film feeding device 200 is by film feeding to punching press buffer table 330, it is right by pressing part 320
Film on punching press buffer table 330 is punched out processing, and after completing processing, blanking is carried out by material separating device under film 400
Lock out operation.
As shown in Fig. 2 the concrete structure of film feeding device 200 is illustrated：
A kind of film feeding device 200, including loading working table 210, it is logical that feeding transmission is offered on loading working table 210
Groove 211, the lower section of feeding transmission groove 211 are provided with feeding drive division 220, the top installation feeding of feeding transmission groove 211
Transmit guide part 230.
Further, feeding drive division 220 includes：Feeding erecting bed 221, feeding rotating disc 222 and feeding drive component
223, feeding drive component 223 drives feeding rotating disc 222 to be rotated on feeding erecting bed 221.
In the present embodiment, feeding drive component 223 includes feeding motor 223a and feeding transmission timing belt 223b,
Feeding motor 223a transmits timing belt 223b and the drive connection of feeding rotating disc 222 by feeding.
It is noted that feeding rotating disc 222 be used for install in reel film, by feeding motor 223a with
Feeding transmission timing belt 223b transmission, so that feeding rotating disc 222 is rotated, thus makes film carry out feeding transmission.
Referring to Fig. 2, feeding transmission guide part 230 includes：First delivery roller 231, the second delivery roller 232,
3rd delivery roller 233, the 4th delivery roller 234 and roller installing plate 235, roller installing plate 235 are provided with two and pacified respectively
Mounted in the both sides of feeding transmission groove 211, the first delivery roller 231, the second delivery roller 232 and the phase of the 3rd delivery roller 233
Mutually parallel to be sequentially arranged on roller installing plate 235, the 4th delivery roller 234 is arranged on feeding and transmits groove 211 close to feeding
On one end of rotating disc 222.In the present embodiment, the 4th delivery roller 234 is located at the transmission rolling of the first delivery roller 231, second
The lower section of the delivery roller 233 of wheel 232 and the 3rd.So as to film produce a tightening force so that film transmission when at
In the state that one is tightened, reach the effect for flattening film.
Further, the side of roller installing plate 235 is provided with feeding compressed part 240, and feeding compressed part 240 includes：Pressure
Tight mounting bracket 241, feeding compact heap 242 drive feeding compact heap 242 compressing with compressing actuator 243, compression actuator 243
Elevating movement is carried out on mounting bracket 241.In the present embodiment, actuator 243 is compressed to compress drive cylinder.
It is noted that by set the first delivery roller 231, the second delivery roller 232, the 3rd delivery roller 233 with
The roller transfer assembly of 4th delivery roller 234, so that winding film is on these roller transfer assemblies and extends to feeding
Compact heap 242 is transmitted, and on the one hand can play a part of tightening transmission, on the other hand reaches the effect of leveling film.
By setting feeding compact heap 242 to compress the film in transmit process, so as to which film is carried out at leveling
Reason.
Further, the lower section of feeding transmission groove 211 is additionally provided with feeding buffer part 250, and feeding buffer part 250 is wrapped
Include：First feeding elevating screw 251, the second feeding elevating screw 252, feeding cushion idler 253 and feeding lifting motor 254,
The feeding lifting motor 254 drives with the first feeding elevating screw 251 and the second feeding elevating screw 252 respectively
Feeding lifting axle sleeve 255 is hinged with connection, the first feeding elevating screw 251 and the second feeding elevating screw 252,
The feeding cushion idler 253 by the feeding lifting axle sleeve 255 be movably arranged on the first feeding elevating screw 251 with
On the second feeding elevating screw 252, so that feeding cushion idler 253 carries out elevating movement.
It is noted that film is connected by feeding cushion idler 253 and feeding transmission guide part 230, when completion once
After punching press transmission, feeding compact heap 242 compresses film, now, feeding cushion idler 253 the first feeding elevating screw 251 with
Moved downward under the drive of second feeding elevating screw 252, so as to coordinate feeding drive division 220 to cause the pre- feeding one of film
Part, thus make the transmission of punching press next time quicker, and film will not be caused to damage.And now feeding cushion idler
253 have a segment distance apart from loading working table 210 so that this part of film is in the state tightened in advance, thus to film
Play a part of leveling.
Referring to Fig. 2, film is installed between second delivery roller 232 and the 3rd delivery roller 233
Leveling portion 260, film leveling portion 260 include：Mounting bracket 261, leveling elevator 262 and leveling lift cylinder 263 are flattened, it is described
Leveling lift cylinder 263 drives the leveling elevator 262 to carry out elevating movement above the leveling mounting bracket 261.
Further, flatten to offer on elevator 262 and installed on suction nozzle mounting groove 262a, the suction nozzle mounting groove 262a
There is suction nozzle to flatten block (not shown).
It is noted that when carrying out the transmission of film feeding, film is placed on leveling mounting bracket 261, flattens elevator
262 are pushed under the driving of leveling lift cylinder 263, so as to be flattened to film, meanwhile, on suction nozzle mounting groove 262a
Suction nozzle leveling block carry out air blowing effect so that film in transmit process further be adjacent to leveling mounting bracket 261, thus enter
One step strengthens the leveling effect to film.
Compared with prior art, film feeding device 200 by set loading working table 210, feeding drive division 220 with it is upper
Material transmission guide part 230, so as to realize to the operation of the automatic charging of film, thus instead of the mode of production of artificial loading, effectively
Improve production efficiency.And leveling processing is carried out to film during feeding so that precision is more in punching press for film
It is high.
As shown in figure 3, the concrete structure of material separating device under film 400 is illustrated：
Material separating device 400 under a kind of film, including：Blanking mounting seat 410, blanking cutting part 420, blanking cutting part
430 clamp transport unit 440 with blanking, and the first blanking guide rail 411 and the second blanking guide rail are provided with blanking mounting seat 410
412, blanking cutting part 420, blanking cutting part 430 and blanking clamp transport unit 440 be separately mounted to the first blanking guide rail 411 and
On second blanking guide rail 412, blanking cutting part 430 is clamped located at blanking cutting part 420 and blanking between transport unit 440.
As shown in figure 4, the blanking cutting part 420 includes：Split firm banking 421, installed in the fixed bottom of the segmentation
The first segmentation gripping block 422 and second at 421 both ends of seat splits gripping block 423 and splits gripping block 422 and institute with described first
State the segmentation clamping cylinder 424 of the drive connection of the second segmentation gripping block 423, the first segmentation gripping block 422 and described second
Segmentation guide pad 425 is installed, the top of the segmentation guide pad 425 is provided with segmentation blade between segmentation gripping block 423
426, segmentation guide groove 425a is offered on the segmentation guide pad 425, and one end of the segmentation blade 426 is located at the segmentation
In guide groove 425a.
Further, the side of the segmentation blade 426 is rotatablely equipped with segmentation contact roller 427, the segmentation contact roller
427 abut with the segmentation guide pad 425.
It is noted that when blanking cutting part 430 carries out cutting operation, the first segmentation gripping block 422 and second is split
Gripping block 423 is clamped under the driving of segmentation clamping cylinder 424 to film, so that the film on pressing equipment is in taut
Tight state.
By setting segmentation guide pad 425 and segmentation blade 426 so that film clamps transport unit 440 in blanking and pressed from both sides
During tight transmission, film is split into two halves by splitting blade 426, then again cut film by blanking cutting part 430,
So as to complete the blanking cutting technique of film, ensure the unification of cut form.Split guide groove 425a by setting, make segmentation
Progress is higher.
Split the setting of contact roller 427, on the one hand play a part of guiding so that blanking clamps the transmission of transport unit 440
It is more smooth, it on the other hand can ensure that film is in the state flattened when splitting blade 426 and being cut, thus be cutting
Progress it is higher.
Referring to Fig. 3, blanking cutting part 430 includes：Cut mounting bracket 431, installed in cutting mounting bracket 431
On the first cutter 432, be movably arranged on cutting mounting bracket 431 on the second cutter 433 and with the second cutter 433
The cutting lifting actuator 434 of drive connection, cutting lifting actuator 434 drive the second cutter 433 closer or far from first
Cutter 432, so as to complete the cutting operation to film.In the present embodiment, cutting lifting actuator 434 is cutting lifting air
Cylinder.
Further, blanking clamps transport unit 440 and included：Blanking transmits sliding block 441, transmits sliding block 441 installed in blanking
On the first blanking clamping jaw 442 and the second blanking clamping jaw 443 and with blanking transmission the drive connection of sliding block 441 blanking drive division
(not shown), blanking transmission sliding block 441 are slidably mounted on the first blanking guide rail 411 and the second blanking guide rail 412.
In the present embodiment, blanking drive division is stepper motor.First blanking guide rail 411 and the second blanking guide rail 412 it
Between be provided with blanking channel 413.
It is noted that after blanking cutting part 430 is completed to cut, the first blanking clamping jaw 442 and the second blanking clamping jaw 443
Unclamp, so that the film after well cutting falls to blanking channel 413 and carries out blanking operation, then blanking transmission sliding block 441 exists
Travelled forward under the driving of blanking drive division, so that the first blanking clamping jaw 442 and the second blanking clamping jaw 443 come first
Split gripping block 422 and second to split at gripping block 423, and film is clamped, then blanking transmission sliding block 441 is completed multiple
Position, thus completes the clamping transfer operation to film.
Material separating device 400 is by setting blanking mounting seat 410, blanking cutting part 420, blanking cutting part under film
430 clamp transport unit 440 with blanking, so as to complete the cutting stock operation to film, thus instead of the artificial mode of production, and
And the cutting operation to film is realized in transmission, it is effective to improve production efficiency and cutting progress.
Compared with prior art, the present invention has advantages below：
The pressing equipment 10 for film punching of the present invention is by setting film feeding device 200, film decompressor
300 with material separating device 400 under film, so as to realize processing technology that the feeding of film, punching press separate with blanking, thus instead of
The artificial mode of production, while production efficiency is improved, also improves the precision of processing so that the product matter processed
Amount is higher.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
- A kind of 1. pressing equipment for film punching, it is characterised in that including：Press work platform, installed in the presser Make film feeding device on platform, material separating device under film decompressor and film, the film decompressor is arranged on institute State under film feeding device and the film between material separating device；The film decompressor includes：Press work support, the pressing part above the press work support and peace Punching press buffer table below the press work support, punching press buffer stopper, the punching are installed on the punching press buffer table Press buffer stopper flexible.
- 2. the pressing equipment according to claim 1 for film punching, it is characterised in that the two of the punching press buffer table Side is mounted on punching press transmission guide pad, and transmission guide groove is offered on the punching press guide pad.
- 3. the pressing equipment according to claim 1 for film punching, it is characterised in that the punching press buffer stopper is slow Rush block rubber.
- 4. the pressing equipment according to claim 1 for film punching, it is characterised in that the pressing part is " Air-Uplift " Press.
- 5. the pressing equipment according to claim 1 for film punching, it is characterised in that the bottom of the press work platform Portion is provided with multiple punching press buffering foot pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052468.5A CN107856120A (en) | 2017-10-30 | 2017-10-30 | A kind of pressing equipment for film punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052468.5A CN107856120A (en) | 2017-10-30 | 2017-10-30 | A kind of pressing equipment for film punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107856120A true CN107856120A (en) | 2018-03-30 |
Family
ID=61696421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052468.5A Withdrawn CN107856120A (en) | 2017-10-30 | 2017-10-30 | A kind of pressing equipment for film punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107856120A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590684A (en) * | 2020-05-27 | 2020-08-28 | 北京隆晟鑫建筑工程有限公司 | TPU film processing equipment |
| CN114043100A (en) * | 2021-12-24 | 2022-02-15 | 深圳亚士德科技有限公司 | Laser die cutting device capable of collecting waste materials |
| CN114055561A (en) * | 2021-09-26 | 2022-02-18 | 粤和兴激光刀模（深圳）有限公司 | Punching device |
-
2017
- 2017-10-30 CN CN201711052468.5A patent/CN107856120A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590684A (en) * | 2020-05-27 | 2020-08-28 | 北京隆晟鑫建筑工程有限公司 | TPU film processing equipment |
| CN114055561A (en) * | 2021-09-26 | 2022-02-18 | 粤和兴激光刀模（深圳）有限公司 | Punching device |
| CN114055561B (en) * | 2021-09-26 | 2023-10-27 | 粤和兴激光刀模（深圳）有限公司 | Punching device |
| CN114043100A (en) * | 2021-12-24 | 2022-02-15 | 深圳亚士德科技有限公司 | Laser die cutting device capable of collecting waste materials |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180330 |
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| WW01 | Invention patent application withdrawn after publication |