CN205553406U - Bamboo fibre velveteen - Google Patents

Bamboo fibre velveteen Download PDF

Info

Publication number
CN205553406U
CN205553406U CN201620123587.XU CN201620123587U CN205553406U CN 205553406 U CN205553406 U CN 205553406U CN 201620123587 U CN201620123587 U CN 201620123587U CN 205553406 U CN205553406 U CN 205553406U
Authority
CN
China
Prior art keywords
velveteen
coating
bamboo
fibre
warp
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
Application number
CN201620123587.XU
Other languages
Chinese (zh)
Inventor
董雅林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoxing Zhaofeng Velvet Fabric Co Ltd
Original Assignee
Shaoxing Zhaofeng Velvet Fabric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaoxing Zhaofeng Velvet Fabric Co Ltd filed Critical Shaoxing Zhaofeng Velvet Fabric Co Ltd
Priority to CN201620123587.XU priority Critical patent/CN205553406U/en
Application granted granted Critical
Publication of CN205553406U publication Critical patent/CN205553406U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Elimination Of Static Electricity (AREA)
  • Laminated Bodies (AREA)

Abstract

The utility model discloses a bamboo fibre velveteen, its technical scheme main points are bamboo fibre velveteen, including warp and the weft who is interweaved, it has the velveteen to interweave between warp and the weft, warp and weft are made by bamboo original fiber, , the velveteen is thoughtlessly twisted with the fingers by bamboo regenerated fiber and cotton yarn and is formed, antibacterial coating, corrosion resistant coating and fire -retardant fire protection coating has set gradually on the cotton yarn from inside to outside, the last antistatic coating that is provided with of bamboo original fiber,. The utility model discloses a setting up corrosion resistant coating and being in order to prevent that fruit juice and so on has corrosive effects's liquid corrosion velveteen surface fabric to the fibre, fire -retardant fire protection coating is in order to prevent that cotton yarn and bamboo fibre from receiving high temperature and taking place the burning, also is fire -retardant effect simultaneously, is provided with antistatic coating through the surface at bamboo original fiber, , can effectually prevent to produce static in the position of skin and the contact of velveteen surface fabric, and uncomfortable when preventing the human bamboo fibre velveteen of wearing surface fabric is felt.

Description

Bamboo fibre velveteen
Technical field
This utility model relates to field of textiles, more specifically, it relates to a kind of bamboo fibre velveteen.
Background technology
Velveteen be use napping weave again through cut pile process so that it is surface have dense, concordant, tower, concordant and rich glossiness fine hair, therefore claim velveteen, the warp of velveteen and parallel use the cotton of high-quality mostly, according to the material behavior of velveteen, it has plentiful smooth, and quality is abundant, feel is soft, wear-resisting durable warmth retention property is good, high resilience, the characteristic not creased easily, according to the difference of teased yarn, it is divided into through velveteen and latitude velveteen.
Formed after cutting through the warp of velveteen and be dispersed in the fine hair of fabric face, fine hair causes the soft feel of fabric face, in prior art, the patent of invention of Application No. " 201110035786.7 " discloses general velveteen manufacturing process, it, by using Pilus Caprae seu Ovis as treating the warp of cut pile, improves the performance of velveteen by the characteristic of Pilus Caprae seu Ovis.In order to obtain the function of different velveteens, the most common hands section is had become as by replacing the material of the fine hair of velveteen, in prior art, bamboo fibre is a kind of novel clothing raw material, it has good permeability, water absorbing properties and the specially good effect such as stronger anti-wear performance and dyeability, there is natural antibacterial, the functions such as acaricide, general bamboo fibre is divided into bamboo fiber and bamboo regenerated fibre element, wherein bamboo regenerated fibre element does not have antibacterial etc. performance, and the main component of bamboo fiber is cellulose and lignin, cellulose and lignin are the materials of a kind of very easy burning, after fabric contacts with fire, the problem being easy to burning, so bamboo fiber material anti-microbial property originally should be ensured, prevent the burning of fabric the most simultaneously.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of fire-retardant, antibacterial, bamboo fibre velveteen of antistatic.
For achieving the above object, this utility model provides following technical scheme: a kind of bamboo fibre velveteen, including the warp being interweaved and parallel, it is intertwined with Velveteen between described warp and parallel, described warp and parallel are made up of bamboo fiber, described Velveteen is mixed sth. made by twisting by bamboo regenerated fibre and cotton yarn and forms, and described cotton yarn is disposed with antimicrobial coating, corrosion-resistant finishes and fire-retardant fireproof coating from inside to outside, described bamboo fiber is provided with anti-static coating.
nullBy using technique scheme,Owing to warp and parallel are direct and contact skin,So warp and parallel directly use bamboo fiber to make,Due to warp and the thread fabric of latitude directly and contact skin,So skin to be served good antibacterial effect and air permeable effect,Velveteen is mixed sth. made by twisting by bamboo regenerated fibre and cotton yarn and forms simultaneously,Velveteen protrudes from web surface,The surface making fabric has fluffy effect,The cost of bamboo regenerated fibre is relatively low simultaneously,There is certain acaricide effect,Simultaneously its not with skin surface contact,So need not antibacterial effect,Simultaneously in order to improve flameproof effect,The surface of cotton yarn is sequentially coated with antimicrobial coating、Corrosion-resistant finishes and fire-retardant fireproof coating,Owing to cotton yarn and bamboo regenerated fibre are mixed sth. made by twisting,So the coating on cotton yarn surface is the most effective to Velveteen,Cotton yarn is not have antibacterial effect simultaneously,So needing on cotton yarn to be provided with antimicrobial coating,Prevent bacteria breed,Corrosion-resistant finishes is to prevent fruit juice etc. to have the liquid corrosion velveteen fabric of corrosive effect to fiber simultaneously,Fire-retardant fireproof coating is to prevent cotton yarn and bamboo fibre from being burnt by high temperature,Also it is fire-retardant effect simultaneously,Also can prevent antimicrobial coating and corrosion-resistant finishes from being destroyed,Anti-static coating is arranged on bamboo fiber surface simultaneously,The warp made due to bamboo fiber and parallel are directly to come in contact with skin,So during friction,It is easy to produce electrostatic,Anti-static coating is had by the surface configuration at bamboo fiber,Can effectively prevent from producing electrostatic in the position that skin contacts with velveteen fabric,Prevent sense of discomfort when human body wearing bamboo fibre velveteen fabric.
As preferably, described Velveteen is mixed sth. made by twisting formed by least four cotton yarns and at least bamboo regenerated fibre.
By using technique scheme, owing to the lofting effect of the cotton yarn bamboo regenerated fibre that compares is good, so the mixed twisting count amount of cotton yarn is more than bamboo regenerated fibre, the lofting effect making velveteen fabric surface is more preferable, need for adding bamboo regenerated fibre simultaneously and serve guarantee cotton yarn during using, owing to oppressing for a long time, the problem of lodging etc. will not occur, owing to pliability and the hardness of bamboo regenerated fibre are higher, make Velveteen be always maintained at vertical state.
As preferably, described anti-static coating being provided with through hole, the side of described through hole is bamboo fiber, and the opposite side of described through hole is in communication with the outside.
By using technique scheme, through hole it is provided with on anti-static coating, owing to the surface of warp and parallel all can produce electrostatic due to friction, so served the effect preventing electrostatic from producing by anti-static coating, if anti-static coating can make to isolate between bamboo fiber and skin simultaneously, so being provided by through hole, making bamboo fiber and extraneous contact by through hole, the antibacterial and acaricide effect making bamboo fiber original is played.
As preferably, described antimicrobial coating is coated by the antibiotic paint including nano-Ag particles and forms.
By using technique scheme, antimicrobial coating in this utility model uses the antibiotic paint coating of the nano-Ag particles disclosed in Application No. " 200510079053.8 " patent document to form, the anti-microbial property that antimicrobial coating is had by nano-silver ionic has reached to disappear whole bamboo fibre velveteen bacterium and virus killing, so that fabric is during using, it is ensured that clean and salubrious.
As preferably, described corrosion-resistant finishes is formed by anticorrosion composite Ti-inorganic matter paint coating.
By using technique scheme, anticorrosion composite Ti-inorganic matter paint coating disclosed in the corrosion-resistant finishes in this utility model patent documentation by Application No. " 00105105.9 " forms, owing to bamboo fibre fabric is as common garment material, if encountering acid, in alkali environment, the Velveteen of fabric is easy to cause because of corrosion turning yellow or variable color, sour environment such as acid rain etc., thus the quality of velveteen fabric and performance just have dropped, it is provided by corrosion-resistant finishes and can effectively prevent the acid or alkali environment corrosion to fabric, thus reached the preferable antiacid and effect of alkali resistant, prevent clothing generation variable color.
As preferably, described fire-retardant fireproof coating is formed by the coating of Fireproof fire retardation type coating.
By using technique scheme, Fireproof fire retardation type coating coating disclosed in the fire-retardant fireproof coating in this utility model patent documentation by Application No. " 201310506840.0 " forms, serve preferable flameproof effect, effectively avoid in the donning process of clothing, run into high-temperature condition, cause the problem that clothing or bamboo fibre velveteen occur burning.
As preferably, described anti-static coating is formed by environment friendly corrosion protection antistatic coating coating.
By using technique scheme, the environment friendly corrosion protection antistatic coating coating disclosed in the anti-static coating patent documentation by Application No. " 200810041949.0 " of stating in this utility model forms, although Velveteen is by being provided with coating thereon, thus it is provided with certain fire prevention and etch-proof effect, but the body of warp and the thread velveteen fabric of latitude does not have etch-proof effect, so during using, still there is certain harmful effect, by the anti-static coating coated by environment friendly corrosion protection antistatic coating, not only it is provided with good anti-static effect, simultaneously because coating itself has etch-proof effect, so warp and latitude thread velveteen body also have certain etch-proof effect.
As preferably, a diameter of 2-3mm of described through hole.
By using technique scheme, if the diameter of through hole is less than 2mm, the antibacterial effect of bamboo fiber itself is due to too small with the contact surface in the external world, thus effect is bad, if the diameter of through hole is more than 3mm simultaneously, bamboo fiber will be caused excessive with the contact area of skin, thus cause a large amount of generations of electrostatic, be that the anti-static effect of anti-static coating is deteriorated.
nullBy using technique scheme,Make by changing the material of warp and parallel into bamboo fibre,The Velveteen having cotton yarn to make makes again velveteen have the unique feel itself being had,Owing to Velveteen easily burns、Water suction and adhesion hair,Corrosion-resistant finishes is to prevent fruit juice etc. to have the liquid corrosion velveteen fabric of corrosive effect to fiber,Fire-retardant fireproof coating is to prevent cotton yarn and bamboo fibre from being burnt by high temperature,Also it is fire-retardant effect simultaneously,Also can prevent antimicrobial coating and corrosion-resistant finishes from being destroyed,Anti-static coating is arranged on bamboo fiber surface simultaneously,The warp made due to bamboo fiber and parallel are directly to come in contact with skin,So during friction,It is easy to produce electrostatic,Anti-static coating is had by the surface configuration at bamboo fiber,Can effectively prevent from producing electrostatic in the position that skin contacts with velveteen fabric,Prevent sense of discomfort when human body wearing bamboo fibre velveteen fabric.
Accompanying drawing explanation
Fig. 1 is generalized section of the present utility model;
Fig. 2 is the generalized section of Velveteen of the present utility model;
Fig. 3 is the generalized section of warp of the present utility model and parallel.
In figure: 1, warp;2, parallel;3, Velveteen;31, bamboo regenerated fibre;32, cotton yarn;4, antimicrobial coating;5, fire-retardant fireproof coating;6, antistatic backing;61, through hole.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, embodiment of the present utility model is described further.
nullSuch as Fig. 1、Shown in Fig. 2 and Fig. 3,A kind of bamboo fibre velveteen,Including the warp 1 being interweaved and parallel 2,Velveteen 3 it is intertwined with between warp 1 and parallel 2,Warp 1 and parallel 2 are made up of bamboo fiber,Velveteen 3 is mixed sth. made by twisting by bamboo regenerated fibre 31 and cotton yarn 32 and forms,Antimicrobial coating 4 it is disposed with from inside to outside on cotton yarn 32、Corrosion-resistant finishes and fire-retardant fireproof coating 5,Anti-static coating it is provided with on bamboo fiber,Owing to warp 1 and parallel 2 are direct and contact skin,So warp 1 and parallel 2 directly use bamboo fiber to make,The fabric made due to warp 1 and parallel 2 is directly and contact skin,So skin to be served good antibacterial effect and air permeable effect,Velveteen 3 is mixed sth. made by twisting by bamboo regenerated fibre 31 and cotton yarn 32 and forms simultaneously,Velveteen 3 protrudes from web surface,The surface making fabric has fluffy effect,The cost of bamboo regenerated fibre 31 is relatively low simultaneously,There is certain acaricide effect,Simultaneously its not with skin surface contact,So need not antibacterial effect,Simultaneously in order to improve flameproof effect,The surface of cotton yarn 32 is sequentially coated with antimicrobial coating 4、Corrosion-resistant finishes and fire-retardant fireproof coating 5,Owing to cotton yarn 32 and bamboo regenerated fibre 31 are mixed sth. made by twisting,So the coating on cotton yarn 32 surface is the most effective to Velveteen 3,Cotton yarn 32 is not have antibacterial effect simultaneously,So needing on cotton yarn 32 to be provided with antimicrobial coating 4,Prevent bacteria breed,Corrosion-resistant finishes is to prevent fruit juice etc. to have the liquid corrosion velveteen fabric of corrosive effect to fiber simultaneously,Fire-retardant fireproof coating 5 is to prevent cotton yarn 32 and bamboo fibre from being burnt by high temperature,Also it is fire-retardant effect simultaneously,Also can prevent antimicrobial coating 4 and corrosion-resistant finishes from being destroyed,Anti-static coating is arranged on bamboo fiber surface simultaneously,Warp 1 and the parallel 2 made due to bamboo fiber directly come in contact with skin,So during friction,It is easy to produce electrostatic,Anti-static coating is had by the surface configuration at bamboo fiber,Can effectively prevent from producing electrostatic in the position that skin contacts with velveteen fabric,Prevent sense of discomfort when human body wearing bamboo fibre velveteen fabric.
As shown in Figure 1, Velveteen 3 is mixed sth. made by twisting formed by least four cotton yarns 32 and at least bamboo regenerated fibre 31, owing to the lofting effect of cotton yarn 32 bamboo regenerated fibre 31 that compares is good, so the mixed twisting count amount of cotton yarn 32 is than bamboo regenerated fibre more than 31, the lofting effect making velveteen fabric surface is more preferable, need for adding bamboo regenerated fibre 31 simultaneously and serve guarantee cotton yarn 32 during using, will not be due to the long problem oppressed thus lodging etc. occurs, owing to pliability and the hardness of bamboo regenerated fibre 31 are higher, Velveteen 3 is made to be always maintained at vertical state.
As shown in Figure 3, through hole 61 it is provided with on anti-static coating, the side of through hole 61 is bamboo fiber, the opposite side of through hole 61 is in communication with the outside, through hole 61 it is provided with on anti-static coating, owing to the surface of warp 1 and parallel 2 all can produce electrostatic due to friction, so served the effect preventing electrostatic from producing by anti-static coating, if anti-static coating can make to isolate between bamboo fiber and skin simultaneously, so being provided by through hole 61, making bamboo fiber and extraneous contact by through hole 61, the antibacterial and acaricide effect making bamboo fiber original is played;A diameter of 2-3mm of through hole 61, if the diameter of through hole 61 is less than 2mm, the antibacterial effect of bamboo fiber itself is due to too small with the contact surface in the external world, thus effect is bad, if the diameter of through hole 61 is more than 3mm simultaneously, bamboo fiber will be caused excessive with the contact area of skin, thus cause a large amount of generations of electrostatic, be that the anti-static effect of anti-static coating is deteriorated.
Antimicrobial coating 4 is coated by the antibiotic paint including nano-Ag particles and forms, antimicrobial coating 4 in this utility model uses the antibiotic paint coating of the nano-Ag particles disclosed in Application No. " 200510079053.8 " patent document to form, antimicrobial coating 4 has been reached to disappear whole bamboo fibre velveteen bacterium and virus killing by the anti-microbial property that nano-silver ionic is had, so that fabric is during using, it is ensured that clean and salubrious;Corrosion-resistant finishes is formed by anticorrosion composite Ti-inorganic matter paint coating, anticorrosion composite Ti-inorganic matter paint coating disclosed in the corrosion-resistant finishes in this utility model patent documentation by Application No. " 00105105.9 " forms, owing to bamboo fibre fabric is as common garment material, if encountering acid, in alkali environment, the Velveteen 3 of fabric is easy to cause because of corrosion turning yellow or variable color, sour environment such as acid rain etc., thus the quality of velveteen fabric and performance just have dropped, it is provided by corrosion-resistant finishes and can effectively prevent the acid or alkali environment corrosion to fabric, thus reached the preferable antiacid and effect of alkali resistant, prevent clothing generation variable color;Fire-retardant fireproof coating 5 is formed by the coating of Fireproof fire retardation type coating, Fireproof fire retardation type coating coating disclosed in the fire-retardant fireproof coating 5 in this utility model patent documentation by Application No. " 201310506840.0 " forms, serve preferable flameproof effect, effectively avoid in the donning process of clothing, run into high-temperature condition, cause the problem that clothing or bamboo fibre velveteen occur burning;Anti-static coating is formed by environment friendly corrosion protection antistatic coating coating, the environment friendly corrosion protection antistatic coating coating disclosed in the anti-static coating patent documentation by Application No. " 200810041949.0 " of stating in this utility model forms, although Velveteen 3 is by being provided with coating thereon, thus it is provided with certain fire prevention and etch-proof effect, but the body of the velveteen fabric that warp 1 and parallel 2 are made does not has etch-proof effect, so during using, still there is certain harmful effect, by the anti-static coating coated by environment friendly corrosion protection antistatic coating, not only it is provided with good anti-static effect, simultaneously because coating itself has etch-proof effect, so the velveteen body that warp 1 and parallel 2 are made also has certain etch-proof effect.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (8)

1. a bamboo fibre velveteen, including the warp being interweaved and parallel, it is intertwined with Velveteen between described warp and parallel, it is characterized in that: described warp and parallel are made up of bamboo fiber, described Velveteen is mixed sth. made by twisting by bamboo regenerated fibre and cotton yarn and forms, it is disposed with antimicrobial coating, corrosion-resistant finishes and fire-retardant fireproof coating on described cotton yarn from inside to outside, described bamboo fiber is provided with anti-static coating.
Bamboo fibre velveteen the most according to claim 1, it is characterised in that: described Velveteen is mixed sth. made by twisting formed by least four cotton yarns and at least bamboo regenerated fibre.
Bamboo fibre velveteen the most according to claim 1, it is characterised in that: being provided with through hole on described anti-static coating, the side of described through hole is bamboo fiber, and the opposite side of described through hole is in communication with the outside.
Bamboo fibre velveteen the most according to claim 1, it is characterised in that: described antimicrobial coating is coated by the antibiotic paint including nano-Ag particles and forms.
Bamboo fibre velveteen the most according to claim 1, it is characterised in that: described corrosion-resistant finishes is formed by anticorrosion composite Ti-inorganic matter paint coating.
Bamboo fibre velveteen the most according to claim 1, it is characterised in that: described fire-retardant fireproof coating is formed by the coating of Fireproof fire retardation type coating.
Bamboo fibre velveteen the most according to claim 1, it is characterised in that: described anti-static coating is formed by environment friendly corrosion protection antistatic coating coating.
Bamboo fibre velveteen the most according to claim 3, it is characterised in that: a diameter of 2-3mm of described through hole.
CN201620123587.XU 2016-02-17 2016-02-17 Bamboo fibre velveteen Active CN205553406U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620123587.XU CN205553406U (en) 2016-02-17 2016-02-17 Bamboo fibre velveteen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620123587.XU CN205553406U (en) 2016-02-17 2016-02-17 Bamboo fibre velveteen

Publications (1)

Publication Number Publication Date
CN205553406U true CN205553406U (en) 2016-09-07

Family

ID=56818302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620123587.XU Active CN205553406U (en) 2016-02-17 2016-02-17 Bamboo fibre velveteen

Country Status (1)

Country Link
CN (1) CN205553406U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433748A (en) * 2017-08-24 2017-12-05 江苏格玛斯特种织物有限公司 A kind of wear-resisting Western-style trousers fabric of water proof type
CN107538839A (en) * 2017-08-24 2018-01-05 江苏格玛斯特种织物有限公司 A kind of processing technology of the wear-resisting Western-style trousers fabric of water proof type
CN107599549A (en) * 2017-08-24 2018-01-19 江苏格玛斯特种织物有限公司 A kind of wear-resisting Western-style trousers fabric of water proof type and its processing technology
CN107756980A (en) * 2017-11-16 2018-03-06 浙江海明实业有限公司 Silk printrng Antistatic Fabric

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433748A (en) * 2017-08-24 2017-12-05 江苏格玛斯特种织物有限公司 A kind of wear-resisting Western-style trousers fabric of water proof type
CN107538839A (en) * 2017-08-24 2018-01-05 江苏格玛斯特种织物有限公司 A kind of processing technology of the wear-resisting Western-style trousers fabric of water proof type
CN107599549A (en) * 2017-08-24 2018-01-19 江苏格玛斯特种织物有限公司 A kind of wear-resisting Western-style trousers fabric of water proof type and its processing technology
CN107756980A (en) * 2017-11-16 2018-03-06 浙江海明实业有限公司 Silk printrng Antistatic Fabric

Similar Documents

Publication Publication Date Title
CN205553406U (en) Bamboo fibre velveteen
CN209534362U (en) A kind of long acting antibiotic fabric of copper ions fiber
CN205871348U (en) Textile fabric of high flame retardant
CN209505102U (en) A kind of proof antistatic water moisture permeable dacron cotton cloth composite fabric
CN202727437U (en) Multifunctional antibacterial breathable health-care fabric
CN208133752U (en) A kind of novel striped Roman cloth
CN204796813U (en) Elasticity anti -bacterial fabric
CN204570142U (en) A kind of antimicrobial yarn
CN103696077A (en) Anti-static, breathable and environment-friendly type polyester fabric
CN208071893U (en) A kind of fabric
CN203141950U (en) Waterproof and moisture-permeable swimming wear fabric with antibacterial function
CN206376054U (en) A kind of acetic acid four sides elasticity fabric
CN206733742U (en) A kind of novel composite non-woven fabric
CN109435357A (en) A kind of cotton-polyester blended fabric
CN211764022U (en) Hydrophilic quick-drying polyester fabric
CN209260304U (en) A kind of mosquito-proof antiskid fabric
CN205871398U (en) Phase transition sofa fabric that adjusts temperature
CN105908520A (en) Breathable and downproof warmth retaining garment fabric
CN206456045U (en) A kind of polyester cotton blending fabric
CN207227664U (en) One kind is the woven Novel multifunctional fabric of raw material by scribbled
CN215243359U (en) Antibacterial moisture-permeable polyester fiber composite fabric
CN205767796U (en) A kind of flannel fabric
CN205741733U (en) A kind of blending tweed fabric
CN109868538A (en) A kind of cotton-polyester blended fabric
CN215704740U (en) Novel environment-friendly garment fabric

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant