CN113581649B - High-toughness packaging belt and preparation method thereof - Google Patents
High-toughness packaging belt and preparation method thereof Download PDFInfo
- Publication number
- CN113581649B CN113581649B CN202110796244.5A CN202110796244A CN113581649B CN 113581649 B CN113581649 B CN 113581649B CN 202110796244 A CN202110796244 A CN 202110796244A CN 113581649 B CN113581649 B CN 113581649B
- Authority
- CN
- China
- Prior art keywords
- tape
- base film
- equipment
- pet base
- packaging
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
- B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
Abstract
The invention relates to the technical field of packaging tape production, and discloses a high-toughness packaging tape which comprises a packaging tape, wherein a non-stick film is arranged on the outer surface of the packaging tape, a fixed paper tube is fixedly connected to the inner wall of the packaging tape, and an anti-stick tape is fixedly connected between the fixed paper tube and the packaging tape. According to the high-toughness packaging tape and the preparation method thereof, after the first layer of resin is uniformly coated, the coated resin is subjected to heating treatment by using hot air equipment, after the heating is completed, the second layer of resin is uniformly coated on the outer surface of the PET base film by using the resin coating equipment, the coated second layer of resin is subjected to heating treatment by using the hot air equipment, after the heating is completed, the third layer of resin is uniformly coated on the outer surface of the PET base film by using the resin coating equipment, and then the coated third layer of resin is subjected to heating treatment by using the hot air equipment, so that the toughness of the packaging tape is effectively enhanced, and the effect of stronger toughness of the packaging tape is achieved.
Description
Technical Field
The invention relates to the technical field of packaging belt production, in particular to a high-toughness packaging belt and a preparation method thereof.
Background
Classification of the packaging tape: the packaging tape is a plastic packaging tape, a PET packaging tape, a PP packaging tape, a winding film and a PE stretching film, the packaging tape is mainly made of packaging materials, the packaging materials are materials used for manufacturing packaging containers, packaging decoration, packaging printing, packaging transportation and the like and meeting the product packaging requirements, and the packaging tape is also called a bundling tape or a strapping tape: PP packing belt, flexible packing belt, PET packing belt, color packing belt, etc. the packing belt is made of PP and PET mixed plastics.
Nowadays, PET packing belts are widely applied to the lives of people, but the existing PET packing belts are poor in toughness, the situation of breakage easily occurs in the using process, in serious cases, the situation of packed goods damage can be caused, the using effect of the packing belts is seriously influenced, and the social requirements cannot be met, so that the high-toughness packing belts and the preparation method thereof are provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the high-toughness packaging belt and the preparation method thereof, which have the advantages of stronger toughness and the like, and solve the problem that the use effect of the packaging belt is seriously influenced due to the poorer toughness of the packaging belt.
(II) technical scheme
In order to achieve the purpose of stronger toughness, the invention provides the following technical scheme: the utility model provides a high tenacity wrapping band, includes the wrapping band, be provided with the on-stick film on the surface of wrapping band, fixedly connected with fixed fiber container on the inner wall of wrapping band, fixedly connected with anti-sticking band between fixed fiber container and the wrapping band, the one end fixedly connected with unseal area that anti-sticking band was kept away from to the wrapping band, the protective film has been cup jointed to the outside of wrapping band.
Preferably, the non-stick film and the packaging tape are connected together in a compounding mode through a compounding device, the width of the packaging tape is one to five centimeters, and the length of the packaging tape is five to twenty meters.
Preferably, the fixed paper tube is a hollow cylinder, the width of the fixed paper tube is equal to that of the packaging belt, and the outer diameter of the fixed paper tube is equal to the inner diameter of the packaging belt.
Preferably, the circumference of the anti-sticking belt is equal to the circumference of the fixed paper cylinder, and one side of the anti-sticking belt, which is close to the fixed paper cylinder, is bonded with the fixed paper cylinder.
Preferably, the width of the opening and sealing belt is equal to that of the packaging belt, the length of the opening and sealing belt is one to two centimeters, and the protective film is a transparent protective film.
Another technical problem to be solved by the present invention is to provide a method for preparing a high-toughness packaging tape, comprising the following steps:
1) A melting process:
taking a PET base film with enough length, melting enough plastic particles in heating equipment, wherein the temperature sections of the heating equipment are respectively 80-120 ℃ and 90-130 ℃;
uniformly coating the melted resin on a PET (polyethylene terephthalate) base film, uniformly coating the resin on the outer surface of the PET base film by using resin coating equipment, wherein the running speed of the resin coating equipment is 100-120 meters per minute, after the first layer of resin is uniformly coated, heating the coated resin by using hot air equipment, after the heating is finished, uniformly coating a second layer of resin on the outer surface of the PET base film by using the resin coating equipment, then heating the coated second layer of resin by using the hot air equipment, after the heating is finished, uniformly coating a third layer of resin on the outer surface of the PET base film by using the resin coating equipment, and then heating the coated third layer of resin by using the hot air equipment;
2) A belt pressing process:
taking the obtained PET base film, and carrying out die pressing operation on the PET base film by using a film pressing machine, wherein the die pressing temperature of the film pressing machine is 180-200 ℃, and the running speed of the film pressing machine is 30-50 meters per minute;
3) And (3) an inspection process:
taking the obtained PET base film, detecting the PET base film by using detection equipment, and cutting off unqualified PET base film at intervals by using the detection equipment, wherein the running speed of the detection equipment is 150-300 meters per minute;
4) A molding procedure:
taking the obtained PET base film, and combining the obtained PET base film with non-stick Bao Mofu by using a compounding device, wherein the compounding temperature of the compounding device is 60-100 ℃, and the running speed of the compounding device is 100-150 meters per minute;
5) A cooling process:
taking the obtained PET base film, putting the obtained PET base film into a cooling interval by using cooling equipment, and setting and starting the cooling equipment to cool the obtained PET base film, wherein the running speed of the cooling equipment is 30-60 meters per minute, and the PET base film is cooled by four cooling areas which need to be moved back and forth;
6) A winding process:
taking the obtained PET base film, and winding the obtained PET base film on a fixed paper cylinder at a constant speed by using winding equipment to obtain a finished product packaging tape, wherein the running speed of the winding equipment is 20-60 meters per minute;
7) A packaging procedure:
and taking the obtained finished product packaging belt, and packaging the obtained finished product packaging belt by using packaging equipment, wherein the running speed of the packaging equipment is 60 to 90 per minute.
(III) advantageous effects
Compared with the prior art, the invention provides a high-toughness packaging belt and a preparation method thereof, and the high-toughness packaging belt has the following beneficial effects:
according to the high-toughness packaging tape and the preparation method thereof, the PET base film is detected by the inspection equipment, unqualified PET base film is cut at intervals by the inspection equipment, the overall production quality of the packaging tape is effectively improved, the resin coating equipment is used for uniformly coating resin on the outer surface of the PET base film, after the first layer of resin is uniformly coated, the coated resin is heated by the hot air equipment, after heating is completed, the resin coating equipment is used for uniformly coating the second layer of resin on the outer surface of the PET base film, the coated second layer of resin is heated by the hot air equipment, after heating is completed, the resin coating equipment is used for uniformly coating the third layer of resin on the outer surface of the PET base film, and then the coated third layer of resin is heated by the hot air equipment, so that the self toughness of the packaging tape is effectively enhanced, and the effect of stronger toughness of the packaging tape is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the high-toughness packaging tape comprises a packaging tape, wherein a non-stick film is arranged on the outer surface of the packaging tape, a fixed paper tube is fixedly connected onto the inner wall of the packaging tape, a non-stick tape is fixedly connected between the fixed paper tube and the packaging tape, one end, far away from the non-stick tape, of the packaging tape is fixedly connected with a unsealing tape, and a protective film is sleeved outside the packaging tape.
The preparation steps of the packaging tape are as follows:
1) A melting process:
taking a PET base film with enough length, melting enough plastic particles in heating equipment, wherein the temperature sections of the heating equipment are respectively 80-120 ℃ and 90-130 ℃;
uniformly coating the melted resin on a PET (polyethylene terephthalate) base film, uniformly coating the resin on the outer surface of the PET base film by using a resin coating device, wherein the operation speed of the resin coating device is 100-120 m/min, after the first layer of resin is uniformly coated, heating the coated resin by using a hot air device, after the heating is finished, uniformly coating a second layer of resin on the outer surface of the PET base film by using the resin coating device, then heating the coated second layer of resin by using a hot air device, after the heating is finished, uniformly coating a third layer of resin on the outer surface of the PET base film by using the resin coating device, heating the coated third layer of resin by using the hot air device, uniformly coating the resin on the outer surface of the PET base film by using the resin coating device, after the first layer of resin is uniformly coated, heating the coated resin by using the hot air device, after the heating is finished, uniformly coating the second layer of resin on the outer surface of the PET base film by using the resin coating device, heating the coated resin by using the hot air device to heat the coated resin, and then heating the PET base film by using the hot air device to effectively heat the third layer of the PET base film, and then heating the PET base film by using the resin coating device;
2) A belt pressing process:
taking the obtained PET base film, and carrying out die pressing operation on the PET base film by using a film pressing machine, wherein the die pressing temperature of the film pressing machine is 180-200 ℃, and the running speed of the film pressing machine is 30-50 meters per minute;
3) And (3) an inspection process:
taking the obtained PET base film, detecting the PET base film by using detection equipment, performing segmentation cutting on the unqualified PET base film by using the detection equipment, wherein the running speed of the detection equipment is 150-300 meters per minute, detecting the PET base film by using the detection equipment, and performing segmentation cutting on the unqualified PET base film by using the detection equipment, so that the overall production quality of the packaging tape is effectively improved;
4) A molding procedure:
taking the obtained PET base film, and combining the obtained PET base film with non-stick Bao Mofu by using a compounding device, wherein the compounding temperature of the compounding device is 60-100 ℃, and the running speed of the compounding device is 100-150 meters per minute;
5) A cooling process:
taking the obtained PET base film, putting the obtained PET base film into a cooling interval by using cooling equipment, and setting and starting the cooling equipment to cool the obtained PET base film, wherein the running speed of the cooling equipment is 30-60 meters per minute, and the PET base film is cooled by four cooling areas which need to be moved back and forth;
6) A winding process:
taking the obtained PET base film, and winding the obtained PET base film on a fixed paper cylinder at a constant speed by using winding equipment to obtain a finished product packaging tape, wherein the running speed of the winding equipment is 20-60 meters per minute;
7) A packaging procedure:
and taking the obtained finished product packaging belt, and packaging the obtained finished product packaging belt by using packaging equipment, wherein the running speed of the packaging equipment is 60 to 90 per minute.
Example two:
the non-stick film and the packaging tape are connected together through a composite device, the width of the packaging tape is one to five centimeters, the length of the packaging tape is five to twenty meters, the fixed paper tube is a hollow cylinder, the width of the fixed paper tube is equal to the width of the packaging tape, and the outer diameter of the fixed paper tube is equal to the inner diameter of the packaging tape.
Example three:
the circumference of the anti-sticking tape is equal to that of the fixed paper tube, one side of the anti-sticking tape, which is close to the fixed paper tube, is bonded with the fixed paper tube, the width of the unsealing tape is equal to that of the packaging tape, the length of the unsealing tape is one to two centimeters, and the protective film is a transparent protective film.
The invention has the beneficial effects that:
according to the high-toughness packaging tape and the preparation method thereof, the PET base film is detected by the inspection equipment, unqualified PET base film is cut at intervals by the inspection equipment, the overall production quality of the packaging tape is effectively improved, the resin coating equipment is used for uniformly coating resin on the outer surface of the PET base film, after the first layer of resin is uniformly coated, the coated resin is heated by the hot air equipment, after heating is completed, the resin coating equipment is used for uniformly coating the second layer of resin on the outer surface of the PET base film, the coated second layer of resin is heated by the hot air equipment, after heating is completed, the resin coating equipment is used for uniformly coating the third layer of resin on the outer surface of the PET base film, and then the coated third layer of resin is heated by the hot air equipment, so that the self toughness of the packaging tape is effectively enhanced, and the effect of stronger toughness of the packaging tape is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-toughness packaging tape comprises a packaging tape and is characterized in that a non-stick film is arranged on the outer surface of the packaging tape, a fixed paper tube is fixedly connected to the inner wall of the packaging tape, a non-stick tape is fixedly connected between the fixed paper tube and the packaging tape, an unsealing tape is fixedly connected to one end, away from the non-stick tape, of the packaging tape, and a protective film is sleeved outside the packaging tape;
the preparation method of the high-toughness packaging tape comprises the following steps:
1) A melting process:
taking a PET base film with enough length, melting enough plastic grains in heating equipment, wherein the temperature sections of the heating equipment are respectively 80-120 ℃ and 90-130 ℃;
uniformly coating the melted resin on a PET (polyethylene terephthalate) base film, uniformly coating the resin on the outer surface of the PET base film by using resin coating equipment, wherein the running speed of the resin coating equipment is 100-120 meters per minute, after the first layer of resin is uniformly coated, heating the coated resin by using hot air equipment, after the heating is finished, uniformly coating a second layer of resin on the outer surface of the PET base film by using the resin coating equipment, then heating the coated second layer of resin by using the hot air equipment, after the heating is finished, uniformly coating a third layer of resin on the outer surface of the PET base film by using the resin coating equipment, and then heating the coated third layer of resin by using the hot air equipment;
2) A belt pressing process:
taking the obtained PET base film, and carrying out die pressing operation on the PET base film by using a film pressing machine, wherein the die pressing temperature of the film pressing machine is 180-200 ℃, and the running speed of the film pressing machine is 30-50 meters per minute;
and (3) an inspection process:
taking the obtained PET base film, detecting the PET base film by using detection equipment, and cutting off unqualified PET base film at intervals by using the detection equipment, wherein the running speed of the detection equipment is 150-300 meters per minute;
a molding procedure:
taking the obtained PET base film, and combining the obtained PET base film with non-stick Bao Mofu by using a compounding device, wherein the compounding temperature of the compounding device is 60-100 ℃, and the running speed of the compounding device is 100-150 meters per minute;
a cooling process:
taking the obtained PET base film, putting the obtained PET base film into a cooling interval by using cooling equipment, and setting and starting the cooling equipment to cool the obtained PET base film, wherein the running speed of the cooling equipment is 30-60 meters per minute, and the PET base film is cooled by four cooling areas which need to be moved back and forth;
a winding process:
taking the obtained PET base film, and winding the obtained PET base film on a fixed paper cylinder at a constant speed by using winding equipment to obtain a finished product packaging tape, wherein the running speed of the winding equipment is 20-60 meters per minute;
a packaging procedure:
and taking the obtained finished product packaging belt, and packaging the obtained finished product packaging belt by using packaging equipment, wherein the running speed of the packaging equipment is 60 to 90 per minute.
2. A high tenacity packaging tape as claimed in claim 1 wherein said non-stick film is attached to said tape by compounding with compounding equipment, said tape having a width of one to five centimeters and said tape having a length of five to twenty meters.
3. The high tenacity wrapping tape of claim 1 wherein said stationary paper tube is a hollow cylinder, said stationary paper tube has a width equal to the width of the wrapping tape, and said stationary paper tube has an outer diameter equal to the inner diameter of the wrapping tape.
4. The high tenacity wrapping tape of claim 1 wherein said anti-sticking tape has a circumference equal to the circumference of the stationary paper tube and wherein the side of said anti-sticking tape adjacent to the stationary paper tube is adhered to the stationary paper tube.
5. A high tenacity packaging tape as claimed in claim 1 wherein said tear strip has a width equal to the width of the packaging tape, said tear strip has a length of one to two centimeters and said protective film is a transparent protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796244.5A CN113581649B (en) | 2021-07-14 | 2021-07-14 | High-toughness packaging belt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796244.5A CN113581649B (en) | 2021-07-14 | 2021-07-14 | High-toughness packaging belt and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113581649A CN113581649A (en) | 2021-11-02 |
| CN113581649B true CN113581649B (en) | 2023-02-10 |
Family
ID=78247406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110796244.5A Active CN113581649B (en) | 2021-07-14 | 2021-07-14 | High-toughness packaging belt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113581649B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254712B1 (en) * | 1998-12-08 | 2001-07-03 | Avery Dennison Corporation | Extrusion coating process for making high transparency protective and decorative films |
| CN1225380C (en) * | 2000-09-01 | 2005-11-02 | 富士胶片株式会社 | Packaging method and device for photosensitive material coil and fluid heating and supplying device |
| CN202481798U (en) * | 2010-12-27 | 2012-10-10 | 日立化成工业株式会社 | Drying agent container and adhesive tape reel |
| CN104024127B (en) * | 2012-01-04 | 2017-06-20 | 株式会社可乐丽 | The package body of polyvinyl alcohol film volume |
| CN109311559A (en) * | 2016-07-12 | 2019-02-05 | 旭化成株式会社 | It sticks together film containing box, stick together film storage device and infection defence film |
| CN106349962B (en) * | 2016-08-22 | 2019-09-03 | 惠州市浩明科技股份有限公司 | Flame retardant type adhesive material |
| US11724901B2 (en) * | 2016-10-17 | 2023-08-15 | Nippon Electric Glass Co., Ltd. | Glass roll |
| JP7440995B2 (en) * | 2017-11-02 | 2024-02-29 | 積水化学工業株式会社 | roll packaging |
-
2021
- 2021-07-14 CN CN202110796244.5A patent/CN113581649B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113581649A (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114043695B (en) | Method and apparatus for extruding and labelling a packaging tube | |
| CN108016013A (en) | One kind easily takes off stretched multi-layer coextrusion casting film and its production method | |
| RU2750063C2 (en) | Method and apparatus for extruding and labelling cylindrical product | |
| CN103506250B (en) | A kind of paperless hot melting coating and technique | |
| US11945174B2 (en) | Container with product visualization aperture | |
| CN108248164A (en) | A kind of drinking water Multilayer co-extrusion packaging bag film and its production method | |
| CN100413673C (en) | Method and apparatus for producing polybutylene terephthalate film, and shape-memory polybutylene terephthalate laminated film | |
| US3325575A (en) | Process for biaxially orienting polyolefin tubing with cooling during stretching | |
| CN113581649B (en) | High-toughness packaging belt and preparation method thereof | |
| JPS595035A (en) | Manufacture of composite layer hollow molded object | |
| JP2019531928A5 (en) | ||
| US3486196A (en) | Apparatus for the production of multilayer tubes from thermoplastics | |
| CN109605881A (en) | A kind of sealed membrane and preparation method thereof for UHT paper plastic-aluminum liquid packaging material | |
| CN110216904B (en) | Preparation method of environment-friendly automatic coating film | |
| US3563826A (en) | Method of making a cylindrical article while cooling a mandrel to reduce frictional forces | |
| CN106113854A (en) | A kind of milk product packaging film and production method thereof | |
| GB1481227A (en) | Plastics products and methods of producing them | |
| CN111590936A (en) | Production method of high-shrinkage polyolefin heat-shrinkable film | |
| CN109878052A (en) | A kind of production method of the tearable adhesive protecting film of appliance plate | |
| CN110920193A (en) | Method for manufacturing high-temperature cooked food easy-to-tear film bag | |
| TR202009170A2 (en) | NEW GENERATION FULLY AUTOMATIC CARPET WRAPPING AND SHRINK COATING MACHINE | |
| JP2023050947A (en) | Production method of resin container with label | |
| CN102416747A (en) | Plastic substrate film for food package and processing technology | |
| JPS60213651A (en) | Sheet member for sticking work | |
| JPS60232940A (en) | Molding for thermoplastic resin |
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 |