Renewable cashmere air yarn

By combining a crochet structure with low-elongation yarn in renewable cashmere air yarn, the problem of dimensional stability in the length direction is solved, achieving improvements in environmental protection and performance.

CN224062984UActive Publication Date: 2026-03-31TONGXIANG OUHE TEXTILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-22
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing renewable cashmere air yarns have poor dimensional stability in the length direction, making it difficult to meet usage requirements.

Method used

Crochet yarn is formed by using a crochet structure and combined with low-elongation yarns, such as cotton yarn, worsted wool yarn, and flax fiber yarn, which are inserted into the crochet yarn to form a backing yarn, thereby improving dimensional stability in the length direction.

Benefits of technology

It achieves dimensional stability of renewable cashmere air yarn in the length direction, while maintaining good fluffiness and environmental protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a renewable cashmere air yarn, which belongs to the technical field of renewable cashmere yarns and comprises crocheting yarns formed by crocheting first yarns and at least one lining yarn inserted into the crocheting yarns along the longitudinal direction and formed by second yarns, the first yarn comprises core yarn and a wrapping fiber layer, and the wrapping fiber layer is made of renewable cashmere fibers. And the second yarns are low-extension yarns. According to the renewable cashmere air yarn, renewable cashmere fibers are adopted, and the environment-friendly effect is achieved. The crocheting yarn formed by crocheting can provide good bulkiness, and the used low-extension yarn can enable the air yarn to have good size stability in the length direction.
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Description

Technical Field

[0001] This utility model relates to a renewable cashmere air yarn, belonging to the technical field of renewable cashmere yarn. Background Technology

[0002] Cashmere air yarn breaks away from the traditional "twisting" characteristic of yarn. It uses the principle of false twisting to hook the fibers into a chain-like structure. After the yarn is made, the fibers are loose, which creates the fluffy and soft characteristics of this yarn. This allows the sweater fashion industry to understand the true meaning of the concept of "softness". It also has excellent warmth retention.

[0003] Cashmere fiber is a precious and scarce raw material with a very limited annual production. Its value lies not only in its scarcity (accounting for only 0.2% of the world's total animal fiber production) but also in its superior quality and characteristics. It is traded by the gram and is considered a "fiber gem" and "fiber queen." Research shows that cashmere products are becoming increasingly common in China, entering ordinary households. However, cashmere products cannot be stored indefinitely; their lifespan is short. What should be done with these cashmere products after their lifespan ends? Simply disposing of them as waste is not only environmentally unfriendly but also a huge waste of resources. With increasing emphasis on environmental protection and sustainable development, the textile industry is also being impacted. Therefore, renewable cashmere and wool have emerged. Renewable cashmere is essentially the recycling and reuse of cashmere fibers. Most often, cashmere sweaters are recycled, shredded and decolorized using specialized equipment, and then spun into yarn. The resulting yarn is called renewable cashmere.

[0004] However, because air-blown yarn is crocheted into a chain structure, its dimensional stability along the yarn length is poor. Therefore, how to prepare a renewable cashmere air-blown yarn with strong dimensional stability along the length direction has become a problem to be solved. Utility Model Content

[0005] The purpose of this invention is to provide a renewable cashmere air yarn, in which the crocheted yarn formed by the crocheted structure provides good bulkiness, while the low elongation yarn provides dimensional stability.

[0006] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows:

[0007] The present invention relates to a renewable cashmere air yarn, comprising a crochet yarn formed by crochet of a first yarn and at least one lining yarn formed by a second yarn inserted longitudinally into the crochet yarn;

[0008] The first yarn includes a core yarn and a covering fiber layer, wherein the covering fiber layer is a renewable cashmere fiber;

[0009] The second yarn is a low-elongation yarn.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: the low-elongation yarn is cotton yarn, worsted wool yarn, flax fiber yarn, hemp fiber yarn or polyester filament.

[0011] Based on the above scheme and as a preferred embodiment of the above scheme: the core yarn is spandex filament, Sorona fiber yarn or T400 filament.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme: the cotton yarn is antibacterial cotton yarn.

[0013] Based on the above scheme and as a preferred embodiment of the above scheme: the first yarn further includes a wrapping layer, which is wrapped around the outside of the covering fiber layer; the wrapping layer includes lyocell filaments.

[0014] Based on the above scheme and as a preferred embodiment of the above scheme: the wrapping layer further includes mercerized wool worsted yarn; the lyocell filament and the mercerized wool worsted yarn have opposite wrapping directions.

[0015] The beneficial effects of this utility model are: the renewable cashmere air yarn involved in this utility model uses renewable cashmere fibers, which has an environmentally friendly effect. The crocheted yarn formed by crocheting can provide good bulkiness, and the low elongation yarn used can make the air yarn have good dimensional stability in the length direction. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the renewable cashmere air yarn involved in Example 1;

[0017] Figure 2 This is a schematic diagram of the structure of the first yarn involved in Example 1;

[0018] Figure 3 This is a schematic diagram of the structure of the first yarn involved in Embodiment 2;

[0019] Figure 4 This is a schematic diagram of the structure of the first yarn involved in Example 3. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] Example 1

[0022] Combination Figure 1 and Figure 2This embodiment will be described in detail below. The renewable cashmere air yarn involved in this embodiment includes a crochet yarn 1 formed by crochet a first yarn and at least one lining yarn 2 formed by a second yarn inserted longitudinally into the crochet yarn 1; the first yarn includes a core yarn 11 and a covering fiber layer 12, the covering fiber layer 12 being renewable cashmere fiber; the second yarn is a low-elongation yarn. In this embodiment, the number of second yarns is one.

[0023] One cycle of the crocheted yarn 1 formed by the first yarn includes a first longitudinal segment 101, a first arc-shaped segment 102, a second longitudinal segment 103, a second arc-shaped segment 104, a third longitudinal segment 105, a fourth longitudinal segment 106, a third arc-shaped segment 107, a fifth longitudinal segment 108, a fourth arc-shaped segment 109, and a sixth longitudinal segment 110 arranged sequentially. The first longitudinal segment 101, the second longitudinal segment 103, the third longitudinal segment 105, the fourth longitudinal segment 106, the fifth longitudinal segment 108, and the sixth longitudinal segment 110 are basically parallel to the backing yarn 2. The second arc-shaped segment 104 connects the first longitudinal segment 101 and the second longitudinal segment 103; the second arc-shaped segment 104 is used to connect the second longitudinal segment 103 and the third longitudinal segment 105; the third arc-shaped segment 107 connects the fourth longitudinal segment 106 and the fifth longitudinal segment 108; and the fourth arc-shaped segment 109 connects the fifth longitudinal segment 108 and the sixth longitudinal segment 110. Furthermore, in one cycle, the lining yarn 2 is located above the first arc segment 102 and below the third arc segment 107, indicating that the crochet yarn 1 fixes the lining yarn 2 in place.

[0024] Furthermore, the low-elongation yarn is cotton yarn, worsted wool yarn, flax fiber yarn, hemp fiber yarn, or polyester filament. In this embodiment, flax fiber yarn is selected because it has good rigidity and low elongation, and the resulting renewable cashmere air yarn has dimensional stability along its length.

[0025] Furthermore, the core yarn 11 is spandex filament, Sorona fiber yarn, or T400 filament. In this embodiment, spandex filament is selected.

[0026] Example 2

[0027] Combination Figure 3 This embodiment will be described in detail below. The renewable cashmere air yarn involved in this embodiment differs from that in Embodiment 1 in that: the first yarn further includes a wrapping layer 13, which is wrapped around the outside of the covering fiber layer 12; the wrapping layer 13 includes Lyocell filaments 131.

[0028] Another difference is that the lining yarn 2 is selected as cotton yarn, and the cotton yarn is antibacterial cotton yarn.

[0029] Example 3

[0030] Combination Figure 4This embodiment will be described in detail below. The renewable cashmere air yarn involved in this embodiment differs from that in Embodiment 2 in that: the wrapping layer 13 further includes mercerized wool worsted yarn 132; the lyocell filament 131 and the mercerized wool worsted yarn 132 have opposite winding directions.

[0031] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A renewable cashmere air yarn characterized in that, The hook-knitted yarn (1) is formed by hook-knitting of the first yarn, and the lining yarn (2) is formed by the second yarn inserted into the hook-knitted yarn (1) in the longitudinal direction. The first yarn comprises a core yarn (11) and a wrapping fiber layer (12), and the wrapping fiber layer (12) is renewable cashmere fiber. The second yarn is a low-elongation yarn.

2. A renewable cashmere air yarn as claimed in claim 1, wherein, The low-elongation yarn is cotton yarn, wool worsted yarn, linen fiber yarn, hemp fiber yarn or polyester filament.

3. A renewable cashmere air yarn as claimed in claim 1 wherein, The core yarn (11) is spandex filament, Sorona fiber yarn or T400 filament.

4. A renewable cashmere air yarn as claimed in claim 2, wherein, The cotton yarn is antibacterial cotton yarn.

5. A renewable cashmere air yarn as claimed in claim 1 wherein, The first yarn further comprises a wrapping layer (13) wrapped outside the wrapping fiber layer (12); the wrapping layer (13) comprises lyocell filament (131).

6. A renewable cashmere air yarn as claimed in claim 5, wherein, The wrapping layer (13) further comprises mercerized wool worsted yarn (132); the lyocell filament (131) and the mercerized wool worsted yarn (132) have opposite winding directions.