CN111962206A - Elastic rope and production process and application thereof - Google Patents

Elastic rope and production process and application thereof Download PDF

Info

Publication number
CN111962206A
CN111962206A CN202010753362.3A CN202010753362A CN111962206A CN 111962206 A CN111962206 A CN 111962206A CN 202010753362 A CN202010753362 A CN 202010753362A CN 111962206 A CN111962206 A CN 111962206A
Authority
CN
China
Prior art keywords
elastic
inner core
rope
cord
chemical fiber
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.)
Pending
Application number
CN202010753362.3A
Other languages
Chinese (zh)
Inventor
柳策开
余少鸣
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.)
Wenzhou Runhe Belt Industry Co ltd
Original Assignee
Wenzhou Runhe Belt Industry 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 Wenzhou Runhe Belt Industry Co ltd filed Critical Wenzhou Runhe Belt Industry Co ltd
Priority to CN202010753362.3A priority Critical patent/CN111962206A/en
Publication of CN111962206A publication Critical patent/CN111962206A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04CBRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/06Braid or lace serving particular purposes
    • D04C1/12Cords, lines, or tows
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04CBRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/02Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/02Cotton
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00Physical properties
    • D10B2401/06Load-responsive characteristics
    • D10B2401/061Load-responsive characteristics elastic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The invention provides an elastic rope which comprises an outer skin part and an inner core part, wherein the outer skin part is formed by weaving elastic materials and chemical fiber filaments and/or cotton threads, the elastic materials are warps, the chemical fiber filaments and/or the cotton yarns are wefts, a core wire of the inner core part is formed by one or more of the chemical fiber filaments, the cotton yarns or non-woven fabrics, and the outer skin part wraps the inner core part to form a structure with ball parts and straight parts which are connected in series and alternately spaced. The elastic rope provided by the invention has the advantages of simple structure, attractive appearance, high elasticity, long service life and simple production process, and can be used for a head rope, an elastic band, a tying rope and a bandage.

Description

Elastic rope and production process and application thereof
Technical Field
The invention belongs to the technical field of spinning, and particularly relates to an elastic rope.
Background
The elastic rope is also called elastic rope, rubber root rope and rubber rope. The elastic rope is an essential article for daily life of people, and can be used for a head rope, an elastic band, a tying rope, a bandage and the like. The elastic rope has wide application range, and can be used in the range of clothes, buildings, transportation equipment, binding, sports equipment and the like. At present, the elastic rope consists of a sheath and an inner core, and the sheath is made of materials which are mainly adopted: the interior of the polyester yarn, the nylon yarn, the polyester cotton, the pure cotton, the high-elastic yarn and the like is latex yarn, the manufacturing process is complex, the elasticity is low, and the elastic core is easy to break after the polyester yarn, the nylon yarn, the polyester cotton, the pure cotton, the high-elastic yarn and the like are used for a period of time.
The Chinese patent with the application number of 201620194032.4 discloses a composite rope head, which comprises an elastic matrix and a composite layer coated outside the elastic matrix; wherein: the elastic base body comprises an elastic ring and a telescopic unit arranged in the elastic ring, the telescopic unit comprises a plurality of elastic strips which are arranged at intervals, and the distance between every two adjacent elastic strips is not more than twice of the length of each elastic strip; the composite layer comprises a base layer and a decorative layer which are sequentially coated on the outer side of the elastic ring from inside to outside; wherein: the base layer is wound on the outer side of the elastic ring; the decorative layer is a cloth layer. Although the invention improves the use performance of the head rope to a certain extent and prolongs the service life of the head rope, the outer layer of the head rope is the cloth layer, and the requirements of improving elasticity and prolonging service life can not be met.
Disclosure of Invention
In order to overcome the technical problems in the prior art, the invention provides the elastic rope which is simple in structure, attractive in appearance, high in elasticity and long in service life.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an elastic rope, includes skin portion and inner core portion, and skin portion is woven by elastic material and chemical fiber silk and/or cotton yarn and forms, and wherein elastic material is warp, and chemical fiber silk and/or cotton yarn are weft, and inner core portion heart yearn comprises one or several kinds in chemical fiber silk or cotton yarn or non-woven fabrics, and skin portion parcel inner core portion forms the alternate spaced structure of globular portion and straight portion that the cluster is in the same place.
Preferably, the elastic material is one or more of rubber silk, latex silk or rubber. The outer skin is woven by elastic, telescopic and flexible materials and chemical fiber yarns, so that the elasticity and the service life of the elastic rope are improved.
In any of the above embodiments, the inner core chemical fiber preferably has a plurality of filaments.
In any of the above embodiments, the alternate interval between the spherical shape and the flat shape may be freely selected as required.
In any of the above embodiments, preferably, the diameter of the spherical portion is 5 to 20mm, the diameter tolerance is 8 ± 1mm, and 3 or more beads are provided.
In any of the above embodiments, preferably, the diameter of the straight portion is 5-20mm, and the diameter tolerance is 8 ± 1 mm.
Preferably, in any scheme, the elastic rope can be cut into a head rope with the length of 10-15cm, and the two sections of structures can be directly bonded.
In any of the above embodiments, the ornament is preferably bonded to the two end structures.
In any of the above embodiments, the plastic beads are preferably bonded to the two end structures.
In any of the above embodiments, the plastic long ring is preferably bonded to the two end structures.
The invention also provides a production process of the elastic rope, which comprises the following specific steps:
(1) preparing production raw materials;
(2) putting the raw materials of the outer skin part and the inner core part in a winding machine to make a pair, wherein the core wire of the inner core part is formed by combining a plurality of raw material wires together on the doubling machine, combining a plurality of core wires of the inner core part together, and placing the combined wires at corresponding positions of an automatic weaving machine after the pair making and the doubling are finished; the outer skin raw material wire and the inner core wire need to be cut and wound, and the method is called as making a pair;
(3) knitting by a computer;
(4) finishing;
(5) cutting to a proper length according to different purposes;
(6) making into a finished product;
(7) finishing and packaging;
(8) and (7) discharging.
The elastic rope provided by the invention can be cut according to needs, and can be processed into a head rope, an elastic band, a binding rope, a bandage, a hand ring, a binding belt and a binding belt.
The invention has the beneficial effects that:
1) the production process is simple, the semi-finished product with no length is produced by the knitting machine at one time, the semi-finished product can be cut into small sections when being made into a head rope, and the two ends of the head rope are used as joints to be adhered or knotted into a ring.
2) The invention has long service life which is increased by more than 3 times compared with the common elastic rope. The common elastic rope has the outer skin woven by chemical fibers, one elastic product in the elastic rope is a core product, and once the core in the elastic rope loses elasticity or is broken, the service life of the whole elastic rope is finished. The outer skin of the invention is formed by weaving a plurality of elastic products as warps and chemical fibers as wefts, the number of the elastic warps is large, the elastic warps cannot be broken at one time under the action of sharp instruments or artificial damage, and the invention can be normally used even if one elastic warp is broken. The core wires made of the chemical fiber products are difficult to break.
3) When the hair rope is manufactured into the hair rope, the hair rope is a spherical annular product, and the problems of position and stress of hairs on different layers when being pricked in the hair ring are scientifically and reasonably solved. When the hair is pricked, the hair can be freely distributed in the middle of the circular ring through the spherical gaps, and the problems that a few hairs are pulled to the scalp and are very painful after the hairs are pricked, the hairs fall off, and the hairs are wound on hair rings are solved. The common head rope is either an elastic rope or a cloth bag rope, the inner ring is flat and consistent, when the hair is tied, the hair is tied in the head rope, the distance between the hair and the head rope is on the same plane of the head rope, the distance between the hair and the head rope is stressed consistently, and the hair at the far end is pulled to be painful.
4) The spherical appearance is simple and beautiful, and the beauty degree of the color, the flower shape and the like of the product can be increased through color silk, dyeing, printing and dyeing and the like.
Drawings
FIG. 1 is a schematic overall structure diagram according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the outer skin and inner core portions of the embodiment of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view of the embodiment of FIG. 1, in accordance with the present invention;
FIG. 4 is a schematic structural diagram in accordance with another preferred embodiment of the present invention; fig. 5 is a test chart of performance test of the elastic cord according to the preferred embodiment of the present invention using an elasticity loss gauge.
Detailed Description
In order that the present invention may be more clearly understood, the following description and the accompanying drawings are provided for further explanation and explanation.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Example 1
An elastic cord as shown in fig. 1 comprises an outer skin part and an inner core part, wherein the outer skin part is formed by weaving elastic materials and chemical fiber yarns, the elastic materials are warp yarns, the chemical fiber yarns are weft yarns, the inner core part is composed of the chemical fiber yarns, the outer skin part wraps the inner core part to form a structure that ball parts and straight part cords are alternately spaced in series, and the structure is shown as 2. Wherein, elastic material is the rubber silk, and inner core comprises many chemical fiber silk, and the crust is woven by material and chemical fiber silk that have elasticity, telescopic, flexibility and is favorable to improving elasticity and the life of bungee.
As shown in FIG. 3, the planar surface of the straight portion shows that the core wire of the inner core is composed of a plurality of chemical filaments.
In the production process, a knitting machine is used for producing products with the length not counted at one time, and multiple products need to be conveyed in the specific use process and are freely selected according to needs.
The diameter of the spherical portion was 15mm, and 4 pellets were provided.
The straight portion is 10mm in length.
The specific production process comprises the following steps:
(1) preparing production raw materials;
(2) placing the outer skin part and the inner core part raw materials at corresponding positions on an automatic knitting machine, and splitting and respectively loading the inner core part core wire raw material chemical fiber filaments on a small bobbin;
(3) setting knitting parameters, wherein the diameter of the spherical part is 15mm, the diameter of the straight part is 10mm, and knitting is carried out under the control of a computer;
(4) finishing;
(5) cutting to a proper length according to different purposes;
(6) making into a finished product;
(7) finishing and packaging;
(8) and (7) discharging.
The quality control requirement of the finished product is as follows:
the length tolerance of the loom immediately after the loom is 167-;
a stretch ratio of at least 3 times;
diameter tolerance: 8 plus or minus 1mm, and the diameter tolerance of the joint is 3.5 plus or minus 0.5 mm;
spherical diameter range: 5-20 mm;
the diameter of the straight portion is: 5-20 mm;
example 2
The difference from example 1 is that the elastic material of the outer skin portion is latex yarn.
Example 3
The difference from example 1 is that the elastic material of the skin portion is a rubber.
Example 4
The utility model provides an elastic rope, includes skin portion and inner core portion, and skin portion is woven by elastic material and chemical fiber and forms, and wherein elastic material is warp, and chemical fiber is weft, and the inner core portion heart yearn comprises chemical fiber, and skin portion parcel inner core portion forms globular portion and straight portion rope alternate spaced structure of concatenating together. Wherein the elastic material is latex silk.
It is cut into 12cm pieces. The rope is processed into a head rope, and two cut ends are directly bonded by cyanoacrylate glue.
Example 4
The difference from the embodiment 1 is that the outer skin part is made of elastic material and cotton yarn by weaving.
Example 5
The difference from example 1 is that the outer skin portion is formed by knitting an elastic material, cotton yarn and chemical fiber.
Example 6
Different from the example 2, the plastic ball is cut into 13cm small segments, processed into a head rope, and two cut ends are directly bonded with cyanoacrylate glue to form a plastic ball, as shown in figure 4. The service life of the prepared rope is prolonged by more than 3 times compared with that of the common elastic rope.
The elastic loss instrument is used for detecting the elastic ropes with the same diameter and the common elastic ropes, as shown in figure 5, the eccentric wheel on the elastic loss instrument simulates manual use to expand and contract, and the stress degree shows how many times one rope can lose elasticity. The radian of the used eccentric wheel is 10CM, the speed is 50 times/minute, the eccentric position is 10CM, the comparison detection is carried out on a product with the diameter of 5mm, the wear-resisting times of the elastic rope in the embodiment can reach more than 5000 times, and the elasticity of the ordinary elastic rope with the same diameter can be lost about 1500 times.
The common head rope is characterized in that the outer skin of the common head rope is woven by chemical fibers, an elastic product in the common head rope is a core product, and once the core in the common head rope loses elasticity or is broken, the service life of the whole elastic rope is finished. The outer skin of the invention is formed by weaving a plurality of elastic products as warps and chemical fibers as wefts, the number of the elastic warps is large, the elastic warps cannot be broken at one time under the action of sharp instruments or artificial damage, and the invention can be normally used even if one elastic warp is broken. The core wires made of the chemical fiber products are difficult to break.
When the hair rope is processed into a hair rope, the hair rope is a spherical annular product, and the problems of position and stress of hairs on different layers when being pricked in a hair ring are scientifically and reasonably solved. When the hair is pricked, the hair can be freely distributed in the middle of the circular ring through the spherical gaps, and the problems that a few hairs are pulled to the scalp and are very painful after the hairs are pricked, the hairs fall off, and the hairs are wound on hair rings are solved. The common head rope is either an elastic rope or a cloth bag rope, the inner ring is flat and consistent, when the hair is tied, the hair is tied in the head rope, the distance between the hair and the head rope is on the same plane of the head rope, the distance between the hair and the head rope is stressed consistently, and the hair at the far end is pulled to be painful.
Example 7
Different from the embodiment 2, the plastic rope is cut into 10cm small sections, the small sections are processed into a head rope, and two cut ends are directly bonded with a plastic long ring by cyanoacrylate glue.
Example 8
The elastic cord produced in example 1 was cut into elastic bands for pants or clothes.
Example 9
The bungee cord produced in example 1 was cut into cinch cords that could be used for storage bags.
Example 10
The elastic cord produced in example 1 can be cut for eye patches, eye patch bandages.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides an elastic rope, includes skin portion and inner core portion, its characterized in that, skin portion is woven by elastic material and chemical fiber silk and/or cotton yarn and is formed, and wherein elastic material is warp, and chemical fiber silk and/or cotton yarn are weft, and inner core portion heart yearn comprises one or several kinds in chemical fiber silk or cotton yarn or non-woven fabrics, and skin portion parcel inner core portion forms the alternate structure of ball portion and straight portion that the cluster is in the same place.
2. The bungee cord of claim 1, wherein said elastic material is one or more of rubber thread, latex thread, or rubber.
3. The bungee cord of claim 2, wherein said inner core chemical filament is a plurality of.
4. The bungee cord of claim 1, wherein the alternating spacing of the bulbous portions and the straight portions is freely selectable as desired.
5. The bungee cord of claim 4, wherein said bulbous portion is 5-20mm in diameter with a tolerance of 8 ± 1mm in diameter with 3 or more pellets.
6. The bungee cord of claim 1, wherein said straight portion has a diameter of 5-20mm with a tolerance of 8 + 1 mm.
7. The bungee cord of any one of claims 1 to 6, wherein said bungee cord is cut into a head cord having a length of 10-15cm, and the two sections of structure are directly bonded.
8. The bungee cord of any of claims 1-6, wherein the two end structures are bonded with a decoration, or bonded with plastic beads or plastic elongated loops.
9. An elastic cord as claimed in any one of claims 1 to 6 for use in the manufacture of a head cord, an elastic cord, a mouth cord, a bandage, a bracelet, a band, a tie.
10. The process for producing the bungee cord as claimed in any one of claims 1 to 6, comprising the specific steps of:
(1) preparing production raw materials;
(2) putting the raw materials of the outer skin part and the inner core part in a winding machine to make a pair, wherein the core wire of the inner core part is formed by combining a plurality of raw material wires together on the doubling machine, combining a plurality of core wires of the inner core part together, and placing the combined wires at corresponding positions of an automatic weaving machine after the pair making and the doubling are finished;
(3) knitting under the control of a computer;
(4) finishing;
(5) cutting to a proper length according to different purposes;
(6) making into a finished product;
(7) finishing and packaging;
(8) and (7) discharging.
CN202010753362.3A 2020-07-30 2020-07-30 Elastic rope and production process and application thereof Pending CN111962206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010753362.3A CN111962206A (en) 2020-07-30 2020-07-30 Elastic rope and production process and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010753362.3A CN111962206A (en) 2020-07-30 2020-07-30 Elastic rope and production process and application thereof

Publications (1)

Publication Number Publication Date
CN111962206A true CN111962206A (en) 2020-11-20

Family

ID=73363083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010753362.3A Pending CN111962206A (en) 2020-07-30 2020-07-30 Elastic rope and production process and application thereof

Country Status (1)

Country Link
CN (1) CN111962206A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130014351A1 (en) * 2011-07-12 2013-01-17 Kuglen Francesca B Elastic bead and loop fastener
CN203700704U (en) * 2013-12-20 2014-07-09 苏州鑫帛泰纺织科研有限公司 Circular sandwich woven rope
JP2015112445A (en) * 2013-12-16 2015-06-22 モリト株式会社 Elastic string and usage of the same
CN204959240U (en) * 2015-08-19 2016-01-13 广州市花都威信染织有限公司 Calabash meshbelt
CN205410146U (en) * 2016-03-14 2016-08-03 赵冬玲 Compound string for binding a plait
KR20190018806A (en) * 2017-08-16 2019-02-26 김소형 A ring type elastic band for soldier
US20190106839A1 (en) * 2016-04-18 2019-04-11 Fin Control Systems Pty. Limited Leash
CN110219188A (en) * 2019-07-02 2019-09-10 山东鲁普科技有限公司 A kind of polyolefin monofilament latex stretch cord and its continuous producing method
JP6591714B1 (en) * 2019-04-02 2019-10-16 株式会社ツインズ Hair rubber
JP6591709B1 (en) * 2019-03-11 2019-10-16 株式会社ツインズ Elastically deformable string
CN210766142U (en) * 2019-07-02 2020-06-16 山东鲁普科技有限公司 Polyolefin monofilament latex elastic rope
CN212669973U (en) * 2020-07-30 2021-03-09 温州润和带业有限公司 Elastic rope

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130014351A1 (en) * 2011-07-12 2013-01-17 Kuglen Francesca B Elastic bead and loop fastener
JP2015112445A (en) * 2013-12-16 2015-06-22 モリト株式会社 Elastic string and usage of the same
CN203700704U (en) * 2013-12-20 2014-07-09 苏州鑫帛泰纺织科研有限公司 Circular sandwich woven rope
CN204959240U (en) * 2015-08-19 2016-01-13 广州市花都威信染织有限公司 Calabash meshbelt
CN205410146U (en) * 2016-03-14 2016-08-03 赵冬玲 Compound string for binding a plait
US20190106839A1 (en) * 2016-04-18 2019-04-11 Fin Control Systems Pty. Limited Leash
KR20190018806A (en) * 2017-08-16 2019-02-26 김소형 A ring type elastic band for soldier
JP6591709B1 (en) * 2019-03-11 2019-10-16 株式会社ツインズ Elastically deformable string
JP6591714B1 (en) * 2019-04-02 2019-10-16 株式会社ツインズ Hair rubber
CN110219188A (en) * 2019-07-02 2019-09-10 山东鲁普科技有限公司 A kind of polyolefin monofilament latex stretch cord and its continuous producing method
CN210766142U (en) * 2019-07-02 2020-06-16 山东鲁普科技有限公司 Polyolefin monofilament latex elastic rope
CN212669973U (en) * 2020-07-30 2021-03-09 温州润和带业有限公司 Elastic rope

Similar Documents

Publication Publication Date Title
CN101982596B (en) Flash flower-type fleecy fabric and preparation method thereof
CN102260945B (en) Feather yarns and production method thereof
CN212669973U (en) Elastic rope
CN111962206A (en) Elastic rope and production process and application thereof
CN210506658U (en) Fancy loop yarn with various patterns
CN105768247B (en) A kind of silk texture dumb light silk stocking and its production method
CN216688500U (en) Novel composite fiber yarn
CN201459489U (en) Laminated elastic fabric
CN211256218U (en) Elastic braid for clothing
CN210234277U (en) Anti-aging elastic band
US5466497A (en) Fur fabric and method of production
CN219877642U (en) Hair binding elastic ring capable of improving anti-slip effect and durability
CN207105797U (en) Organic cotton dyed yarn fabric
CN220827525U (en) Flower-type feather yarn fabric
CN214458552U (en) High-strength special yarn with good softness for spinning
CN102191602A (en) Elastic napping yarn and production method thereof
CN109989151A (en) A kind of monofilament viscose glue snow Neil fabric and its production technology
JPH0197229A (en) Extensible schenile yarn
CN218910677U (en) Elastic rubber band, elastic rubber band trousers and bra
CN212737328U (en) Skin-tendering antibacterial knitted rib fabric
CN104831471B (en) Rope belt with spiral structure and manufacturing method thereof
CN212270348U (en) Breathable fabric with three-dimensional effect
CN216255665U (en) Comfortable rope-threading waistline braid
CN220619277U (en) White yak velvet tweed fabric
CN214071960U (en) Non-deformable's pure silk and waistband

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