CN201005053Y - A bra made of shape memory alloy fabric - Google Patents

Abstract

The utility model discloses a bra made of fabric woven from shape-memory alloy yarns. The utility model adopts nickel-titanium shape-memory alloy yarn to be woven into the fabric, and the fabric is used to make a bra, which plays the role of shaping. The original state is shaped into the raised arc required by the bra, and the recovery temperature is designed to be close to the temperature of the human body. At room temperature lower than the recovery temperature, it can be folded and bent. While wearing, the bra is stimulated to return to defined curves for perfect shape. The utility model has the advantages of being soft, breathable, good in shape retention, comfortable to wear, and can maintain a plump appearance effect in a long-lasting and stable manner.

Description

A bra made of shape memory alloy fabric

technical field

The utility model relates to a bra structure, in particular to a bra made of shape memory alloy fabric with shape memory function.

Background technique

Maintaining the perfect shape of bras during wear has always been the pursuit of bra manufacturers and consumers. Adding a layer of sponge between the inner and outer layers of the bra is a commonly used method at present. The sponge is soft, lightweight and holds its shape wash after wash. However, since the sponge should not only play the role of filling but also maintain the shape, it needs to have a certain thickness and be shaped. After shaping, the softness and air permeability of the sponge are affected to a certain extent.

In the hunt for better bra materials, shape memory alloys have drawn attention. In recent years, there have been some patent publications on the application of shape memory alloys to bras. There are several patents for shape memory alloy wires used in bras and inner linings. The publication number is CN1422563, and the patent "a shape-retaining health care bra lining, bra and underwear" published in 2003 uses a memory alloy wire mesh and a closure to form a bra lining. The memory alloy wire mesh has good air permeability and strong shape retention , the edge of the metal wire head and the memory alloy wire mesh is covered by the closure, which avoids the stimulation of the memory alloy wire head and the edge of the memory alloy mesh to the human skin, and at the same time, the closure made of shape memory alloy can further enhance the shape retention of the lining ability. Publication No. CN2378955 patent "a bra with shape memory capability" is characterized in that its inner lining is covered with NiTi shape memory alloy or other superelastic alloy wire mesh and has some ventilation holes. This inner liner can be used various textiles, non-woven fabrics, and leather is used as a mask to make a bra or underwear with this bra. There are also patents "grid memory alloy super elastic bra support cup" and "intelligent bodybuilding bra".

In these existing patents, the alloy wires are woven into a network or coated with silica gel or other elastic polymer materials to replace the sponge layer in the bra. The setting temperature of the bra is relatively low, such as the recovery temperature of the patent "A Shape-Conforming Healthy Bra Liner, Bra and Underwear" is 10°C, and it shows a recovery shape at room temperature. Because the bra is lined with a layer of metal mesh, the bra is soft. will be affected. In addition, the memory wire is relatively thick, with a diameter of 35 mm, so the amount of alloy wire used is large, the price is expensive, and practical application is very difficult.

Contents of the invention

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a bra made of shape-memory alloy yarn fabric, which returns to a fixed shape near the body temperature, thereby maintaining the long-lasting and stable plump appearance of the bra.

The purpose of the invention of the utility model is achieved through the following technical solutions:

A bra made of shape-memory alloy fabric includes a mask, a middle layer and an inner layer. The middle layer is composed of filling fibers in two layers of shape-memory fabrics, and the inner layer is fabric. The structure of the middle layer is shown in Figure 5 and Figure 6.

The shape memory fabric is formed by interweaving yarns and alloy yarns. Alloy yarn can be bare alloy wire or wrapped yarn of alloy wire. When the alloy yarn is bare alloy wire, the fabric woven with bare wire and yarn can be combined with the middle filling layer to play a shaping role; when the alloy yarn is wrapped yarn of alloy wire, the wrapped yarn and yarn of memory wire are used to weave The fabric can be used as a next-to-body inner fabric for shaping.

The yarn is natural fiber or chemical fiber yarn.

The alloy wire is nickel-titanium alloy wire.

The wrapping yarn of the alloy wire is a wrapping yarn spun from nickel-titanium alloy wire wrapped with natural fiber or chemical fiber.

In the utility model, the original state of the nickel-titanium shape memory alloy wire is shaped into a convex arc required by the curve of the human breast. The recovery temperature of the memory wire is 20°C-30°C, and it can be deformed arbitrarily at a normal temperature lower than the recovery temperature, so Alloy yarns can be woven into fabrics in a straightened state. The fabric is cut to shape and sewn together with fibrous filling as a midlayer for bras, or as a form-fitting inner fabric for hold. The structure of the utility model adopts memory yarns and yarns to weave fabrics which are soft, breathable, good in shape retention and comfortable. Moreover, the recovery temperature of the bra of the utility model is close to the temperature of the human body. After wearing it, it is stimulated by the temperature of the human body, and the memory wire returns to the shaped arc designed according to the curve shape of the breast, driving the fabric to form an arc, providing a lasting and stable plump appearance effect .

Description of drawings

Fig. 1 is the structural representation of shape memory bra of the utility model;

Fig. 2 is the B-B sectional view of Fig. 1;

Fig. 3 is a structural schematic diagram of another embodiment of the shape memory bra of the present invention;

Fig. 4 is the C-C sectional view of Fig. 3;

Fig. 5 is a schematic diagram of the structure of the shape-memory middle layer in the shape-memory bra of the present invention;

FIG. 6 is a cross-sectional view along line A-A of FIG. 5 .

Explanation of symbols in the figure

1-Shape memory alloy fabric 2-Fiber 3-Sewing thread 4-Mask 5-Inner layer

Detailed ways

Below in conjunction with accompanying drawing 1-6 and embodiment further illustrate how the utility model is realized:

Example 1

The nickel-titanium alloy used in the shape-memory fabric in the shape-memory bra has a diameter of 0.2mm and a recovery temperature of 25°C. The stereotyped shape is breast curve shape, and it is woven at a temperature below 25°C. The warp yarn is polyester, and the weft yarn is woven with polyester yarn and bare alloy wire in a 3:1 arrangement. The two layers of shape memory fabric 1 are filled with hollow cotton fiber 2, and are stitched and reinforced by sewing thread 3 to keep warm and breathable. The inner layer 5 and the cover 4 are made of high-grade bra fabric, which is processed into a bra by conventional methods. The structure is shown in Fig. 1 and Fig. 2. This bra has strong resilience and is suitable for bras with a lot of padding.

Example 2

The nickel-titanium alloy used in the shape-memory fabric in the shape-memory bra has a diameter of 0.1mm and a recovery temperature of 30°C. The stereotyped shape is breast curve shape, weaving at a temperature below 30°C. The warp yarn is polyester, and the weft yarn is woven with cotton yarn and alloy wrapped yarn in a 4:1 arrangement. Two layers of shape-memory fabric 1 are filled with hollow cotton fiber 2, and are reinforced by sewing thread 3, so as to keep warm and breathable. The bra inner layer 5 is a shape-memory fabric, which overlaps with the lower layer of the middle layer. The overlay 4 is made of high-grade bra fabric, which is processed into a bra by conventional methods, as shown in Fig. 3 and Fig. 4 . Since the shape memory yarn is thinner and less resilient, it is suitable for bras with less filling.

Claims (5)

1. brassiere that constitutes by shape memory alloy fabric, comprise face shield, intermediate layer and internal layer, it is characterized in that: described intermediate layer is made up of fiberfill fibers in the two-layer shape memory fabrics, internal layer is a fabric, perhaps directly becomes brassiere as internal layer with set of mask by fiberfill fibers in the middle of the two-layer shape memory fabrics.

2. according to claim 1 a kind of by containing the brassiere that shape memory alloy fabric constitutes, it is characterized in that: described shape memory fabrics is interwoven by yarn and alloy yarn.

3. according to claim 2 a kind of by containing the brassiere that shape memory alloy fabric constitutes, it is characterized in that: described yarn is natural fiber or chemical fibre yarn.

4. according to claim 2 a kind of by containing the brassiere that shape memory alloy fabric constitutes, it is characterized in that: described alloy yarn is the fasciated yarn of naked alloy silk or alloy silk.

5. according to claim 4 a kind of by containing the brassiere that shape memory alloy fabric constitutes, it is characterized in that: described alloy silk is a nitinol alloy wire.

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