CN106637559A - Making method of polyester thread - Google Patents
Making method of polyester thread Download PDFInfo
- Publication number
- CN106637559A CN106637559A CN201611216231.1A CN201611216231A CN106637559A CN 106637559 A CN106637559 A CN 106637559A CN 201611216231 A CN201611216231 A CN 201611216231A CN 106637559 A CN106637559 A CN 106637559A
- Authority
- CN
- China
- Prior art keywords
- thread
- preparation
- spinning
- temperature
- polyester thread
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/06—Imparting irregularity, e.g. slubbing or other non-uniform features, e.g. high- and low-shrinkage or strengthened and weakened sections
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides a making method of a polyester thread. The making method sequentially comprises the following steps of raw material preparing; pre-crystallizing; spinning; bundling and oiling; drafting and twisting; winding forming, wherein molecules in a twisted thread are arranged to be stable and neat; interlacing node forming, wherein the networking degree is controlled at the degree that 100-110 nodes are formed on each meter of the twisted thread, the pressure of the nodes in an interlacer is 2.5-3.2 kilograms, and then a twisted thread bundle obtained after node forming is oiled; finished product obtaining. Compared with the prior art, the making method has the advantages that by conducting the processes of drying dewatering, pre-crystallizing, bundling and oiling, drafting and twisting and interlacing node forming on raw materials, the strength of the polyester thread is effectively improved; the thread is more uniform and smoother through metal sand; the arrangement structure of the molecules in the polyester thread is improved through pre-crystallizing, so that the toughness and the stability of the polyester thread are enhanced, and then the shrinkage and breakage problems of the polyester thread are well prevented; by means of the interlacer, the toughness and the strength of the thread are further enhanced.
Description
Technical field
The present invention relates to a kind of suture manufacturing technology, a kind of especially preparation method of polyester thread.
Background technology
A kind of existing Application No. CN200710015080.8 is entitled《The preparation method of non-shrink sewing thread》Middle promulgated by the State Council
Bright patent discloses a kind of structure, in sewing thread surface cored or a kind of water-soluble polyvinyl alcohol fibers of looping, that is, obtains shrinkproof
Sewing thread.The present invention is due in sewing thread surface cored or a kind of water-soluble polyvinyl alcohol fibers of looping, increasing sewing thread
Diameter and suture strength, and due to this vinal it is just soluble in water at normal temperatures, so after line sews up clothes, Jing
Once washing the diameter of line can attenuate, and become slack wire loop, compensate for the contraction of line, control the shrinkage factor of sewing thread, it is to avoid
Make clothes wrinkle because suture shrinks, greatly improve the rank of clothes stitched seam flatness, should not break, seamability is good.But
Line obtained in this preparation method is not to strengthen intensity by the change of lines inner molecular structure, so without fundamentally
To solve shrink and the intensity of lines.So its structure needs to improve.
The content of the invention
The technical problem to be solved be provide for above-mentioned state of the art a kind of polyester thread pulling force it is strong,
Should not break and a kind of polyester thread that lines are uniform and smooth preparation method.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：The preparation method of this polyester thread, its feature exists
In：Comprise the steps of successively；
First, raw material prepares：Select PET sections, color masterbatch that Masterbatch is placed in into temperature to be dried 19.5 in 110～120 DEG C
It is～20.5 hours, standby；
2nd, it is pre-crystallized and dry：PET sections are placed in into temperature to be carried out within 45～60 minutes with gas boiling in 160～170 DEG C
It is pre-crystallized, then PET sections are placed in into temperature to be heated 7～9 hours with dry air in 150～155 DEG C, to remove the inside of section
Moisture content；
3rd, spinning：Dried Masterbatch is added into the pre-crystallized PET with after dried process by required color amount to cut into slices
In, then the PET sections for adding color grain are continuously put in into temperature in 278～285 DEG C, until PET sections and color masterbatch
Grain is fused into the compound of molten condition, by the compound of molten condition Jing after accurate measurement, be spun into through filament spinning component it is thread,
And cool down tow under conditions of 20.5～21.5 DEG C of temperature, humidity 60～65%, 0.5～0.6m/s of wind speed, spinning speed
For 3000～3100 ms/min；The percentage is percent by volume.
4th, boundling oils：Silk after cooling is carried out in buncher to accumulate collection synnema, then collection synnema is carried out
Oil, through pre- wire stitcher, pre- net pressure is 0.9～1.1 kilogram to the collection synnema after oiling；
5th, coiling and molding：By the tow after oiling roll up on bobbin semi-finished product, then semi-finished product are put at normal temperatures
Put 23～25 hours, make tow interior molecules stable array neat；
6th, drawing-off is twisted thread：Semi-finished product silk is stretched to 1.6～1.8 times of raw footage on pattern texturing machine, and is being drawn
Twisted thread in scroll tube while stretching, then will twist thread and be shaped in temperature is for 145～150 DEG C；
7th, network node：By twisting thread through Network device for sizing, making to twist thread carries out network node, and internet pricing is controlled every
The number of one meter of upper node of twisting thread is 100～110,2.5～3.2 kilograms of the pressure of node in Network device, then by node
Boundling of twisting thread oil；
8th, finished product：The package Jing after pattern deformation that will twist thread is finished product.
Used as improvement, the oil applying rate in the step 7 is preferably the 2.0～3.0% of line weight, and the percentage is
Percentage by weight.
Used as improvement, the oil in the step 7 may be selected to be DTY oil agents.
Improve again, in the step 3, compound the heated screw extrudings of Jing again can extremely be melted in machine barrel, screw arbor assembly
State, more preferably, production efficiency is higher for its fusing effect.
As improvement, in the step 4, by spinning can by set radical also cross pre- wire stitcher roller centre
Hole carries out boundling, and the spinning speed through roller centre hole is 3000～3100 ms/min.
Used as improvement, in the step 5, the drawing temperature of the pattern variant machine is preferably controlled at 182～186 DEG C,
Speed is 400～600 ms/min.
Used as improvement, in the step 3, the draw ratio of spinning is controlled to 3.5 times of raw footage or so.
Improve again, polyester thread is the long line according to the disposable spinning of Len req.
Improve again, the tensile strength of the polyester thread is 3.0～3.6cN/dt.
Improve again, the appearance side face of the polyester thread can also be coated with one layer of bamboo this grease.
Compared with prior art, it is an advantage of the current invention that being gone on water, boundling using pre-crystallized, drying is carried out to raw material
Oil, drawing-off are twisted thread：And the technique of network node, the strength of polyester thread of the present invention is effectively improved, and made by metal sand
Lines uniformity more preferably, by the pre-crystallized molecule arranging structure improved inside polyester thread the strong of polyester thread is enhanced
Power and stability, well prevent the shrink of polyester thread and easily broken problem；By Network device, and internet pricing is controlled every
The number of one meter of upper node of twisting thread is 100～110, and 2.5～3.2 kilograms of the pressure of node in Network device further adds
The toughness and strength of strong lines.Polyester thread made by the present invention also has dyeing-free function, and according to different demands color masterbatch is passed through
Grain is added to original liquid coloring, it is to avoid the dyeing link of later process, reaches environmental protection and energy saving.
Specific embodiment
The present invention is described in further detail with reference to embodiments.
The preparation method of the polyester thread of the present embodiment, comprises the steps of successively；
First, raw material prepares：PET sections are selected, Masterbatch is placed in into temperature to be dried 19.5～20.5 in 110～120 DEG C
Hour, it is standby；
2nd, it is pre-crystallized, dry：It is pre- to be carried out within 45～60 minutes with gas boiling in 160～170 DEG C that PET sections are placed in temperature
Crystallization, then PET sections are placed in into temperature to be heated 7～9 hours with dry air in 150～155 DEG C, to remove the internal water of section
Part；
3rd, spinning：Dried Masterbatch is added into the sections of the PET after pre-crystallized, dried process by required color amount
In, then the PET sections for adding color grain are continuously placed in into temperature to melt with Masterbatch to PET sections in 278～285 DEG C
Chemical conversion molten condition compound, by the compound of molten condition Jing after accurate measurement, be spun into through filament spinning component it is thread, and will
Tow is cooled down under conditions of 20.5～21.5 DEG C of temperature, humidity 60～65%, 0.5～0.6m/s of wind speed, and spinning speed is
3000～3100 ms/min；
4th, boundling oils：Silk after cooling is carried out in buncher to accumulate collection synnema, then collection synnema is carried out
Oil,
Through pre- wire stitcher, pre- net pressure is 0.9～1.1 kilogram to collection synnema after oiling；
5th, coiling and molding：By the tow after oiling roll up on bobbin semi-finished product, then semi-finished product are put at normal temperatures
Put 23～25 hours, make tow interior molecules stable array neat；
6th, drawing-off is twisted thread：Semi-finished product silk is stretched to 1.6～1.8 times of raw footage on pattern texturing machine, and is being drawn
Twisted thread in scroll tube while stretching, then will twist thread and be shaped in temperature is for 145～150 DEG C；
7th, network node：By twisting thread through Network device for sizing, making to twist thread carries out network node, and internet pricing is controlled every
The number of one meter of upper node of twisting thread is 100～110,2.5～3.2 kilograms of the pressure of node in Network device, then by node
Boundling of twisting thread oil；
8th, finished product：The package Jing after pattern deformation that will twist thread is finished product.
Oil applying rate in the step 7 is preferably the 2.0～3.0% of line weight, and the percentage is weight percent
Than.
Oil in the step 3 and seven is preferably DTY oil agents.In the step 3, compound is preferably in machine
The heated screw extrudings of Jing again are to molten condition in cylinder, screw arbor assembly.In the step 4, can be by set radical by spinning
Carry out boundling also cross the roller centre hole of pre- wire stitcher, through roller centre hole spinning speed be 3000～3100 meters/
Minute.In the step 5, the drawing temperature of the pattern variant machine is controlled at 182～186 DEG C.Speed may be selected to be 400～
600 ms/min.In the step 3, the tensile elongation of spinning is controlled to 3.5 times of raw footage or so.Polyester thread is according to institute
Need the long line of the disposable spinning of length.The tensile strength of the polyester thread is 3.0～3.6cN/dt.Outside the polyester thread
Table side face can also be coated with one layer of bamboo this grease.
Wherein polyester thread carries out the common knowledge that pattern is deformed into line technology processed in pattern variant machine.The PET scientific names
For：Polyethylene terephthalate.Wherein, the DTY oil agents, are produced by Hangzhou Transfar Chemical Products Co., Ltd., and
Claim：Anti- splashing DTY finishes, model：TF-702C.It is also system that tensile strength is " cN/dt " unit in 3.0～3.6cN/dt
The common knowledge in line technology field.Percentage is referred in humidity 60～65%：Water vapor pressure (e) in gas is full with its gas
With the ratio of water vapor pressure (es)/be expressed as a percentage：Represent：Rh=e/es × 100%, rh refers to humidity, as Relative
The abbreviation of humidity.The speed refers to, the slewing rate of machine in pattern variant machine, and this is also the public affairs in line technology field processed
Know general knowledge.Bamboo this grease is common knowledge, can be found on the net.
Claims (10)
1. a kind of preparation method of polyester thread, it is characterised in that：Comprise the steps of successively；
First, raw material prepares：Select PET sections, color masterbatch, Masterbatch is placed in into temperature to be dried 19.5 in 110～120 DEG C～
It is 20.5 hours, standby；
2nd, it is pre-crystallized and dry：PET sections are placed in into temperature to carry out pre- knot within 45～60 minutes with gas boiling in 160～170 DEG C
Crystalline substance, then PET sections are placed in into temperature to be heated 7～9 hours with dry air in 150～155 DEG C, to remove the internal water of section
Part；
3rd, spinning：During dried Masterbatch is cut into slices by the PET that required color amount is added to after pre-crystallized and dried process,
Then the PET sections for adding color grain are continuously put in into temperature in 278～285 DEG C, until PET sections are melted with Masterbatch
Chemical conversion molten condition compound, by the compound of molten condition Jing after accurate measurement, be spun into through filament spinning component it is thread, and will
Tow is cooled down under conditions of 20.5～21.5 DEG C of temperature, humidity 60～65%, 0.5～0.6m/s of wind speed, and spinning speed is
3000～3100 ms/min；
4th, boundling oils：Silk after cooling is carried out in buncher to accumulate collection synnema, then collection synnema is oiled, on
Through pre- wire stitcher, pre- net pressure is 0.9～1.1 kilogram to collection synnema after oil；
5th, coiling and molding：By the tow after oiling roll up on bobbin semi-finished product, then semi-finished product are placed at normal temperatures 23
～25 hours, make tow interior molecules stable array neat；
6th, drawing-off is twisted thread：Semi-finished product silk is stretched to 1.6～1.8 times of raw footage on pattern texturing machine, and in stretching
Twisted thread in scroll tube simultaneously, then will twist thread and be shaped in temperature is for 145～150 DEG C；
7th, network node：By twisting thread through Network device for sizing, making to twist thread carries out network node, and internet pricing is controlled in each rice
The number of upper node of twisting thread be 100～110,2.5～3.2 kilograms of the pressure of node in Network device, then by the sth. made by twisting of node
Line boundling oils；
8th, finished product：The package Jing after pattern deformation that will twist thread is finished product.
2. preparation method according to claim 1, it is characterised in that：Oil applying rate in the step 7 is line weight
2.0～3.0%, the percentage is weight percentage.
3. preparation method according to claim 1, it is characterised in that：Oil in the step 7 is DTY oil agents.
4. preparation method according to claim 1, it is characterised in that：In the step 3, compound is in machine barrel, screw rod group
The heated screw extrudings of Jing again are to molten condition in part.
5. preparation method according to claim 1, it is characterised in that：In the step 4, set root is pressed into spinning
Number carries out boundling also cross the roller centre holes of pre- wire stitcher, through roller centre hole spinning speed be 3000～3100 meters/
Minute.
6. preparation method according to claim 1, it is characterised in that：In the step 5, the pattern variant machine leads
Temperature control is stretched at 182～186 DEG C, speed is 400～600 ms/min.
7. preparation method according to claim 1, it is characterised in that：In the step 3, the draw ratio control of spinning
For 3.5 times or so of raw footage.
8. the preparation method according to any claim in claim 1 to 7, it is characterised in that：Polyester thread is according to institute
Need the long line of the disposable spinning of length.
9. the preparation method according to any claim in claim 1 to 7, it is characterised in that：The drawing of the polyester thread
Intensity is stretched for 3.0～3.6cN/dt.
10. the preparation method according to any claim in claim 1 to 7, it is characterised in that：Outside the polyester thread
Table side face is coated with one layer of bamboo this grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216231.1A CN106637559B (en) | 2016-12-15 | 2016-12-15 | A kind of production method of polyester thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216231.1A CN106637559B (en) | 2016-12-15 | 2016-12-15 | A kind of production method of polyester thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106637559A true CN106637559A (en) | 2017-05-10 |
| CN106637559B CN106637559B (en) | 2019-10-18 |
Family
ID=58827341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611216231.1A Active CN106637559B (en) | 2016-12-15 | 2016-12-15 | A kind of production method of polyester thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106637559B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656411A (en) * | 2019-08-26 | 2020-01-07 | 徐州锦业纺织科技有限公司 | Color yarn |
| CN111560653A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Forming process of polyester fiber spinning |
| CN112011846A (en) * | 2020-08-11 | 2020-12-01 | 仪征市天润纺织有限公司 | Preparation method of long-acting antistatic polyester yarn |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961471A (en) * | 1973-09-10 | 1976-06-08 | Iws Nominee Co. Ltd. | Production of yarn |
| JP2007039863A (en) * | 2005-06-27 | 2007-02-15 | Teruyasu Yamamoto | Method for producing fiber thread |
| CN102965746A (en) * | 2012-12-17 | 2013-03-13 | 南通华纶化纤有限公司 | Method for producing special filaments for dacron embroidery threads |
| CN103114346A (en) * | 2013-02-25 | 2013-05-22 | 江苏中润纤维科技股份有限公司 | Colored polyester filament yarn with diamond blinking effect and method for manufacturing colored polyester filament yarn |
| CN104047065A (en) * | 2014-06-25 | 2014-09-17 | 常州欣战江特种纤维有限公司 | Production method for pre-spinning dyed FDY used for car roof |
| CN104928779A (en) * | 2015-06-16 | 2015-09-23 | 南通华纶化纤有限公司 | Production device special for colored polyster fiber sewing thread filament |
| CN105177731A (en) * | 2015-06-16 | 2015-12-23 | 长兴虹波纺织有限公司 | Method for producing polyester partially oriented yarns |
| CN105908282A (en) * | 2016-06-12 | 2016-08-31 | 福建百宏聚纤科技实业有限公司 | Preparation method of 33 dtex/144f fine denier polyester fiber |
-
2016
- 2016-12-15 CN CN201611216231.1A patent/CN106637559B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961471A (en) * | 1973-09-10 | 1976-06-08 | Iws Nominee Co. Ltd. | Production of yarn |
| JP2007039863A (en) * | 2005-06-27 | 2007-02-15 | Teruyasu Yamamoto | Method for producing fiber thread |
| CN102965746A (en) * | 2012-12-17 | 2013-03-13 | 南通华纶化纤有限公司 | Method for producing special filaments for dacron embroidery threads |
| CN103114346A (en) * | 2013-02-25 | 2013-05-22 | 江苏中润纤维科技股份有限公司 | Colored polyester filament yarn with diamond blinking effect and method for manufacturing colored polyester filament yarn |
| CN104047065A (en) * | 2014-06-25 | 2014-09-17 | 常州欣战江特种纤维有限公司 | Production method for pre-spinning dyed FDY used for car roof |
| CN104928779A (en) * | 2015-06-16 | 2015-09-23 | 南通华纶化纤有限公司 | Production device special for colored polyster fiber sewing thread filament |
| CN105177731A (en) * | 2015-06-16 | 2015-12-23 | 长兴虹波纺织有限公司 | Method for producing polyester partially oriented yarns |
| CN105908282A (en) * | 2016-06-12 | 2016-08-31 | 福建百宏聚纤科技实业有限公司 | Preparation method of 33 dtex/144f fine denier polyester fiber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656411A (en) * | 2019-08-26 | 2020-01-07 | 徐州锦业纺织科技有限公司 | Color yarn |
| CN111560653A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Forming process of polyester fiber spinning |
| CN112011846A (en) * | 2020-08-11 | 2020-12-01 | 仪征市天润纺织有限公司 | Preparation method of long-acting antistatic polyester yarn |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106637559B (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3987136A (en) | Process for the production of a synthetic fiber cord | |
| CN104928772B (en) | A kind of deep dye elastic filament of polyamide fibre 6 and its production technology | |
| CN102776588A (en) | Spinning-winding united manufacturing process of corterra fully-drawn long yarns | |
| CN103603068B (en) | The production method of strong fiber in a kind of terylene fluorescence | |
| CN103088500A (en) | One-step preparation method and device of fully drawn yarn (FDY) or FDY differential shrinkage combined filament yarn | |
| CN102560777A (en) | Composite different-contraction yarn production method | |
| CN106637559A (en) | Making method of polyester thread | |
| CN102586905A (en) | Hot-stretched Corterra pre-oriented filament yarn spinning and winding manufacturing process | |
| CN104160074A (en) | Polyamide fiber and method for producing same | |
| CN103668493A (en) | Low-temperature drafting production process for high-modulus and low-shrinkage polyester industrial yarn | |
| CN107034534A (en) | A kind of 6 points of polyamide fibre fine female silk production equipment and production method | |
| CN101445966B (en) | One-step production process for ultra-coarse denier polyester industrial fibers | |
| CN104583471B (en) | For manufacturing the melt spinning method and apparatus for melt spinning of crimp filament | |
| CN110747557A (en) | Manufacturing process of composite cotton fiber covered yarn for outer clothing | |
| CN109162000A (en) | A kind of manufacturing method of the low draw ratio brocade ammonia air-coating silk of fine-denier | |
| CN103981585A (en) | Polyamide 6 POY/FDY composite fibre and preparation method adopting spinning-interlacing one-step process | |
| CN106319654B (en) | 6 elastic filament of cationic dye capable of dyeing polyamide fibre and its production technology | |
| CN101812754A (en) | Process for producing special covered yarn and product thereof | |
| CN107829165A (en) | Double-colored fiber of a kind of ETD high convergencies type elastic force and preparation method thereof | |
| CN101629341A (en) | Method and equipment for manufacturing torque-free polyester false twist texturing filaments | |
| CN103741241A (en) | Colored FDY strong fiber chip spinning machining process | |
| CN106319679A (en) | Soft wool-like porous polyester and preparation method thereof | |
| CN206941042U (en) | A kind of polyamide fibre 6 divides fine female silk production equipment | |
| CN105908275A (en) | Method for producing fine-denier and low-shrinkage polyester industrial fiber by using fine-denier and high-strength spinning equipment | |
| CN205035539U (en) | Cladding system of dacron pearl yarn |
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 |