20results about "Selvedges" patented technology

A polyester woven-fabric hook-and-loop fastener has a warp yarn thickness Tb which is 0.94 times or less of a warp yarn thickness Ts. A selvage area having a constant width is present on two opposite ends, continuously in a line form in the warp direction, without misalignment in the weft direction. As a result, when the polyester woven-fabric hook-and-loop fastener is sewn onto a garment or the like, a sewing thread sewn to the selvage area is in a straight line without meandering, and thus a sewn product excellent in appearance can be obtained.

A wear-resistant anti-slip webbing and a preparation process thereof, including that the wear-resistant anti-slip webbing is divided into two edge yarn regions and a stitching region, the webbing weaving comprises that spiral overlock combined with a plurality of groups of core-spun weaving is adopted for the webbing at two sides, twill weaving is adopted for weaving of middle warps, the warps are staggered up and down to clamp two ends of wefts, and are tightened and prevented from loosening by the wefts to play the role of inter-unit reinforcement; the stitching setting mode of the webbing is that, starting from after 14 edge yarns, 1 stitch is provided every 8 warps, and the crocheting method of the warps is a circulation pattern of 1313 2424 5757 6868. The invention realizes an overall improvement in structural stability, wear resistance, anti-slip performance, durability and edge protection.

A fiber structure includes a laminate (20) and a selvage yarn (40). The laminate (20) includes at least one warp yarn layer (21) including warp yarns (23) extending in a first direction (X) and at least two weft yarn layers (22) including weft yarns (24) extending in a second direction (Y). At each end section (20a) of the laminate (20), the selvage yarn (40) is engaged with the weft yarns (24) of the weft yarn layers (22) located at opposite ends in a laminating direction (Z). Some of the warp yarns (23) are binding yarns that bind the warp yarn layer (21) to the weft yarn layer (22). The selvage yarn (40) is a continuous yarn. The weft yarns (24) of the weft yarn layers (22) located at the opposite ends in the laminating direction (Z) are spun yarns.

A wear-resistant anti-slip webbing and a preparation process thereof, including that the wear-resistant anti-slip webbing is divided into two edge yarn regions and a stitching region, the webbing weaving comprises that spiral overlock combined with a plurality of groups of core-spun weaving is adopted for the webbing at two sides, twill weaving is adopted for weaving of middle warps, the warps are staggered up and down to clamp two ends of wefts, and are tightened and prevented from loosening by the wefts to play the role of inter-unit reinforcement; the stitching setting mode of the webbing is that, starting from after 14 edge yarns, 1 stitch is provided every 8 warps, and the crocheting method of the warps is a circulation pattern of 1313 2424 5757 6868. The invention realizes an overall improvement in structural stability, wear resistance, anti-slip performance, durability and edge protection.

The application discloses a method for reducing thread ends of a cuff, the cuff is woven by a circular weaving machine, the circular weaving machine comprises a plurality of shuttle assemblies, each of the shuttle assemblies comprises a plurality of shuttles, and at least one yarn is arranged on each of the shuttles; each of the shuttle assemblies is set to allow one shuttle to weave or multiple shuttles to work together on the circular weaving machine; the cuff comprises a cuff body; the cuff body comprises a plurality of parts, each of the parts is woven by one shuttle or multiple shuttles working together in the shuttle assembly of the required working path, and the next part is woven by using part of the shuttles or all of the shuttles in the shuttle assembly of the required working path in the current part; the above technical scheme avoids the following problems: after the current part is woven, all of the shuttles are withdrawn and cut, then other shuttles are switched to weave the next part, and a large amount of thread ends are generated, and the thread ends caused by cutting are reduced.

This invention provides a weaving process for solving the problem of curling edges in double-layered fabrics with elastic reverse sides. The process includes adjusting the selvage structure, width, and tightness; selecting appropriate selvage materials; employing a combination of single-layer and double-layer structures for the selvage structure, wherein the double-layer structure involves alternating the front and back layers of the ground fabric; maintaining a selvage width of 2.5-3.0 cm; and adjusting the selvage tightness according to the yarn type. This production process increases the rigidity of the selvage by adjusting its structure and material composition, enabling the production of double-layered fabrics with elastic reverse sides without additional dyeing and finishing equipment or manual assistance. The resulting double-layered fabrics with elastic reverse sides are free from curling edges, improving product quality and enhancing the market competitiveness of this type of fabric. Furthermore, the elimination of manual ironing effectively reduces production costs and the labor intensity of workers.

The invention discloses a weaving method of a special polyester label tape. The weaving method comprises the following steps: S1, selecting polyester triangular special-shaped yarns as warp yarns; s2, the warp yarn is finished into weaving yarn and overlock yarn through warping, then sizing and drying are conducted, and the strength and abrasion resistance of the overlock yarn are both larger than those of the weaving yarn; s3, the dried weaving yarn and overlock yarn pass through a weaving machine, full-dull polyester yarn is introduced to serve as weft yarn, shuttleless weaving overlock is conducted, and a blank belt is obtained; and S4, rinsing, desizing, drying and calendaring and coiling the blank tape to obtain the trademark tape with matte and bright contrast. The method has the advantages that hot slitting is not needed, the edges are not prone to scattering, and the weaving efficiency and the comfort degree are improved.

In conventional weaving methods, the tension of warp yarns at width-direction end parts during weaving tends to be insufficient, and as a result, a difference in crimp ratio between the width-direction center and the width-direction end parts of the base fabric has been generated. The difference in crimp ratio has caused unevenness in the width direction of a woven fabric. As a solution thereto, in the present invention, the boiling water shrinkage percentage of to-be-inserted additional yarns is set to be lower than that of foundation yarns, so that shrinkage is suppressed in the width-direction end parts of the base fabric, resulting in making it possible to decrease the difference in crimp ratio between the width-direction center and the width-direction end parts of the base fabric, thereby making it possible to produce an airbag base fabric having excellent evenness in the width direction.

The utility model relates to the technical field of braids, and discloses a leno weave lug type braid. The utility model discloses a woven tape which comprises side ear ropes, woven tape warps, woven tape wefts, reinforcing threads and side reinforcing ribs, the woven tape warps and the woven tape wefts are interwoven to form a net-shaped woven tape layer, cavities are formed in the two opposite edges of the woven tape layer, the side reinforcing ribs are arranged in the cavities, the side reinforcing ribs are wrapped by the woven tape layer of the woven tape warps and the woven tape wefts, and the side ear ropes are arranged on the woven tape warps and the woven tape wefts. The edge ear rope is arranged at the edge of the braid layer, and the edge ear rope is connected to the edge of the braid layer through the reinforcing line. The braid can effectively liberate manual participation, reduce the cost, improve the production efficiency and the like; the edge ear ropes are directly woven and fused into the braid, stable connection of the edge ear ropes can be achieved, usability and durability of the edge ear rope braid are enhanced, the symmetrically-arranged edge ear ropes can conveniently and stably suspend and tie objects and the like, and the edge reinforcing ribs enhance the edge stability of the braid and also enhance the tensile strength and the like of the braid.

In a polyester fabric surface zipper in which Tb is 0.94 times or less of Ts, as defined in this specification, the ear regions at both ends are not offset in the weft direction. Instead, the ear regions of a constant width are continuous and straight in the warp direction at both ends. As a result, when this polyester fabric surface zipper is sewn onto clothing, the sewing lines in the ear regions remain straight and unbent, resulting in a sewn product with excellent appearance.

The application discloses a fabric bag, a method for manufacturing the fabric bag by using yarn and a method for disassembling the fabric bag into yarn. The fabric bag comprises a first side, a second side and a bottom formed by bending a fabric sheet with a woven structure along the warp direction, and a first connecting part and a second connecting part formed by interlacing loops formed by continuous weft yarns on the weft selvage of the fabric sheet. The disassembling process of the fabric bag of the application hardly causes damage to the fiber, and can realize fine, flexible disassembly and recycling of the fabric bag.

A heart valve assembly, an artificial valve device, and a preparation method for a heart valve assembly. The heart valve assembly comprises: a skirt portion (1) having a tubular structure, at least two leaflets (2) provided on an inner wall of the skirt portion (1), a plurality of integrated anchoring rings (3) provided on the exterior of the skirt portion (1); one end of the integrated anchoring ring (3) is fixedly provided to the exterior of the skirt portion (1), and one end thereof is a free end; and the skirt portion (1), the leaflets (2) and the integrated anchoring rings (3) form an integrated valve structure. The heart valve component simplifies an assembly process by significantly reducing the need for precise sutures for connecting the valve component(s) to a stent (13), which can reduce the uncertainty of current suture technology.

The invention provides a woven mesh structure. The woven mesh structure comprises a first mesh member. The first net component comprises a plurality of first threads and a plurality of second threads which are woven in a mutually staggered manner; at least one edge of the first net component is reversely folded to form at least one reverse folding area. Therefore, the movable freedom degree of the end parts of the first wire, the second wire and other wire rods can be effectively limited at the edge, so that the phenomena of slippage and looseness of the wire rods caused by mechanical force, friction or vibration are reduced, the problem of wire overflow is greatly reduced, and the overall durability and capillary effect stability of the woven mesh are improved.

The invention discloses a high-strength gum dipping cord fabric conveying belt framework material and a preparation method thereof.The preparation method comprises the steps that firstly, yarn is subjected to primary twisting and multiple times of secondary twisting, the twisting direction of the primary twisting is the same as that of the first time of secondary twisting, and cord threads are obtained; the prepared cord threads serve as warp yarns, the warp yarns and weft yarns are arranged in a staggered mode to be woven into cord fabric structure gray cloth, selvage yarns are added to the two sides of the warp yarns at the same time, a selvage folding method is adopted for folding the selvage yarns, and cord fabric is obtained; and carrying out gum dipping on the prepared cord fabric. The high-strength characteristic of the diameter straight-weft aramid fiber canvas belt and the advantage of light weight of the aramid fiber cord fabric are combined, the defect that the diameter straight-weft aramid fiber belt is poor in flame retardant property is overcome, the diameter straight-weft aramid fiber canvas belt is lighter and thinner than the diameter straight-weft aramid fiber belt, and the strength is improved.

The invention discloses an edge-reinforced papermaking forming net production process, which comprises four core procedures of raw material preparation, weaving, edge structure treatment and post-treatment: in the aspect of raw materials, polyester fibers are selected as a main body, and a composite material formed by mixing pretreated aramid fibers and polytetrafluoroethylene fibers according to a preset mass ratio is adopted as an edge; special glue is matched; during weaving, the main body is woven by a conventional process, the edge part adopts an interlocking process, the number of layers is gradually increased, and meanwhile, the warp and weft interweaving mode and tension are strictly controlled; transition areas of the edge parts and the middle part are thickened gradually, so that smooth thickness transition is realized; sealing and curing the edge part in a post-treatment stage, and ensuring the strength and wear resistance of a finished product through quality detection. According to the technology, through targeted material selection, a special weaving mode and edge strengthening treatment, the durability of the edge of the forming net is greatly improved, the production technology is optimized, and support is provided for high-efficiency and high-quality papermaking production.

The application relates to the technical field of textiles, in particular to an edge anti-cracking fabric and a production process thereof. The edge anti-cracking fabric comprises yarns, the yarns comprise warp yarns, weft yarns and hot melt filaments, and the hot melt filaments are located at the edges of the fabric. The hot melt filaments are made of the following raw materials in parts by weight: 30-40 parts of terephthalic acid glycol ester, 20-30 parts of terephthalic acid butylene glycol ester, 5-10 parts of low-molecular flame retardant, 0.5-1 part of tributyl phosphate, 0.5-1 part of magnesium hydroxide and 1-2 parts of zinc acetate. The hot melt filaments are arranged at the edges of the fabric and are woven with the warp yarns and the weft yarns, so that the edges of the formed fabric are firm and are not prone to cracking.