TW201943905A - Ballistic protection fiber cloth structure, bullet-proof vest including the same, and manufacturing method thereof whose first woven layers and the plural second woven layers are staggered to improve the shear resistance - Google Patents

Abstract

The present invention provides a ballistic protection fiber cloth structure, which comprises plural first woven layers, each of which has a first weaving direction; and plural second woven layers, each of which has a first woven direction, the first weaving direction of each second woven layer is at an angle with the first weaving direction of each first woven layer; wherein the first woven layer and the second woven layer overlap each other. The present invention also provides a bullet-proof vest including the ballistic protection fiber cloth structure. The present invention also provides a method for manufacturing a ballistic protection fiber cloth structure. The ballistic protection fiber material is used to make the plural first woven layers and the plural second woven layers, and the plural first woven layers and the plural second woven layers are staggered. By the structure of the ballistic fiber cloth, the shear resistance performance of the ballistic fiber cloth can be improved.

Description

Ballistic fiber cloth structure, bulletproof vest including the same, and manufacturing method thereof

The invention relates to a ballistic fiber cloth structure, a ballistic fiber cloth structure including the same, and a manufacturing method thereof, and more particularly, to a ballistic fiber cloth structure that can improve shear resistance.

Ballistic-resistant fiber cloth is usually provided in the existing bullet-proof vests. The conventional ballistic-resistant fiber cloth is mainly composed of aromatic fibers or ultra high molecular weight polyethylene fibers (UHMWPE). ) And other ballistic fiber materials. However, although the existing ballistic fiber cloth has elastic resistance, its shear resistance is weak. On the other hand, in order to adapt to the figure of a woman, the existing ballistic fiber cloth of the female bulletproof vest needs to be cut at the chest line of the ballistic fiber cloth, and then rejoined with other parts of the ballistic fiber cloth. In this way, the elasticity of the ballistic fiber cloth is often reduced.

An object of the present invention is to provide a ballistic fiber cloth structure which includes a plurality of first woven layers made of ballistic fiber material, and each of the first woven layers has a first weaving direction; and Two braided layers are made of the ballistic-resistant fiber material. Each of the second braided layers has a first braided direction. The first braided direction of each of the second braided layers and the first braided direction of each of the first braided layers. They are at an angle; wherein the first braided layers and the second braided layers overlap each other.

As for the ballistic fiber cloth structure as described above, the first woven layer and the second woven layer are all made by a one-piece weaving method.

In the ballistic fiber cloth structure described above, the angle between the first knitting direction of each of the second knitting layers and the first knitting direction of each of the first knitting layers is 10 degrees to 60 degrees.

In the ballistic fiber fabric structure described above, the angle between the first knitting direction of each of the second knitting layers and the first knitting direction of each of the first knitting layers is 45 degrees.

In the ballistic fiber cloth structure as described above, the total of the first woven layer and the second woven layer is at least 36 layers.

In order to achieve the above-mentioned object and other objects, the present invention further provides a bullet-proof vest, which includes the ballistic-resistant fiber cloth structure as described above.

In order to achieve the above and other objectives, the present invention further provides a method for manufacturing a ballistic fiber cloth structure, which includes the following steps: (a) a plurality of first woven layers are made of a ballistic fiber material, each of the first woven layers has a A first weaving direction; (b) a plurality of second weaving layers made of the ballistic fiber material, each of the second weaving layers having a first weaving direction, a first weaving direction of each of the second weaving layers and each of the first weaving direction; The first knitting direction of a woven layer is at an angle; and (c) the first woven layers and the second woven layers are staggered and overlapped.

With the ballistic fiber cloth structure as described above, the shear resistance of the ballistic fiber cloth can be improved. At the same time, the ballistic fiber cloth structure as described above does not need to be cut when it is used to make the ballistic fiber cloth for female bulletproof vests. It can maintain the original ballistic resistance of the ballistic fiber cloth in the ballistic vest.

In order to fully understand the purpose, features and effects of the present invention, the following specific embodiments are used in conjunction with the accompanying drawings to make a detailed description of the present invention, which will be described later:

The embodiment of the present invention provides a bulletproof vest 1 as shown in FIG. 1. The bulletproof vest 1 is for female use, so the chest line 11 is specially designed to be raised at the chest position. However, in other embodiments, the bulletproof vest 1 It can be designed into the shape of a general-purpose bulletproof vest, and is not limited to this embodiment.

Referring to FIG. 2 at the same time, in this embodiment, the ballistic vest 1 is provided with a ballistic fiber cloth structure 2 therein. The ballistic fiber cloth structure 2 includes a plurality of first woven layers 21 and a plurality of second woven layers 22. The method for manufacturing the ballistic fiber cloth structure 2 is detailed as follows: (a) First, a plurality of first woven layers 21 are made of ballistic fiber material, and each of the first woven layers 21 is formed by a plurality of first warp threads 211 and a plurality of first The weft thread 212 is woven, and the knitting direction of each first warp thread 211 is the first knitting direction A; (b) the ballistic fiber material is used to make a plurality of second knitting layers 22, each of the second knitting layers 22 is A plurality of second warp threads 221 and a plurality of second weft threads 222 are woven. The knitting direction of each second warp thread 221 is the first knitting direction B, and the first knitting direction B and the first knitting direction A are sandwiched by 45. Angle; and (c) the first woven layer 21 and the second woven layer 22 are staggered to form the ballistic fiber cloth structure 2.

The ballistic fiber cloth structure 2 described above is staggered and stacked through the second woven layers 22 and the first woven layers 21, which can effectively improve the shear resistance of the ballistic fiber cloth. In other embodiments, the angle between the first knitting direction B and the first knitting direction A may be an angle between 10 and 60 degrees, or other angles, which can improve the shear resistance of the ballistic fiber cloth. Cutting performance, not limited to this embodiment.

Impact test of bulletproof vest 1: To test the impact resistance of bulletproof vest 1, the following steps are used to test: First, prepare the bulletproof vest 1 of this embodiment and the bulletproof vest of the control group (not shown), and the bulletproof vest 1 The structure and material are the same as those of the ballistic vest of the control group. The ballistic vest 1 and the ballistic vest of the control group are equipped with 6mm shock-absorbing materials and 36 pieces of ballistic fiber cloth (here, the 1 ballistic fiber cloth is A first braid or a second braid). The only difference is that in the bulletproof vest structure 2 of the bulletproof vest 1, the first knitting direction B of the second knitting layer 22 and the first knitting direction A of the first knitting layer 21 are at an angle of 45 degrees, while the control group There is no angle between the first knitting direction of the second knitting layer and the first knitting direction of the first knitting layer of the ballistic fiber fabric structure of the bulletproof vest. Next, the bulletproof vest 1 and the control group are respectively placed on the sludge, and the sludge is used to simulate the breast tissue of the human body. Then hit the .44 McGonnon empty pointed metal covered bullet and the 9mm round head full metal coated bullet to the same six positions on the bulletproof vest 1 and the control group. By measuring the depression depths of the positions of P1 to P6 on the sludge corresponding to the aforementioned six shooting positions, respectively, of the bulletproof vest 1 and the control group, the impact resistance of the bulletproof vest 1 and the control group is obtained.

The following table 1 is the test result of the comparison test of the impact resistance between the bulletproof vest 1 of this example and the control group. As can be seen from the test results in Table 1 below, compared to the control group, when the bulletproof vest 1 is fired by a .44 McGonnon empty-point metal coated bullet, P1 on the sludge placed on the bulletproof vest 1 ~ The depth of the P6 depression is shallower than the depth of the P1 ~ P6 depression on the sludge placed on the bulletproof vest of the control group. When the bulletproof vest 1 is fired by a 9mm round head metal-clad bullet, the sludge placed on the bulletproof vest 1 The depression depths of P1 ~ P2 and P4 ~ P6 are shallower than the depression depths of P1 ~ P2 and P4 ~ P6 on the sludge placed on the ballistic vest of the control group. It can be seen that the impact resistance of the bulletproof vest 1 of this embodiment is superior. In the control group bulletproof vest.

Because the structure and materials of the bulletproof vest 1 and the control group are the same, the only difference is that the first knitting direction angle between the overlapping knitted layers in the ballistic fiber fabric structure is different. Therefore, the bulletproof vest of this embodiment The ballistic fiber cloth structure of 1 is provided with a shear resistance provided by an angle between the first knitting direction of the second knitting layer and the first knitting direction of the first knitting layer to effectively reduce the impact force.

Table 1: Comparison of the impact resistance of the bulletproof vest 1 and the control group

In this embodiment, the ballistic fiber material is made of aromatic polyamide fiber, but in other embodiments, the ballistic fiber material may be aromatic polyamide fiber, ultra-high molecular weight polyethylene fiber or It is other materials with similar anti-elastic properties, and is not limited to this embodiment.

In addition, in this embodiment, the first weaving layer 21 and the second weaving layer 22 are both made by a one-piece weaving method. The fiber cloth woven through the one-piece weaving method is suitable for shaping and fixing. It can be made into the desired shape without cutting. In this way, when the ballistic-resistant fiber cloth structure 2 is used to make the ballistic-resistant fiber cloth of the inner layer of the bullet-proof vest 1, it is not necessary to cut the chest-line portion of the ballistic-resistant fiber cloth structure 2 to maintain the ballistic-resistant fiber cloth. The integrity of the structure 2 maintains its original ballistic performance.

In this embodiment, the ballistic fiber cloth structure 2 is used to make a bulletproof vest, and the number of woven layers (that is, the sum of the first woven layer 21 and the second woven layer 22) is at least 36 layers, for example. To achieve sufficient ballistic resistance. However, in other embodiments, because the ballistic fiber cloth structure 2 has the characteristics of impact resistance, shear resistance, suitable for shaping and fixing, etc., the ballistic fiber cloth structure 2 can be more applied to general sporting goods and medical protection. Installation or manufacture of traffic safety protection equipment, and the ballistic fiber cloth structure 2 can also be applied to different fields according to various needs. When the ballistic fiber cloth structure 2 is used in other fields, the number of woven layers in the ballistic fiber cloth structure 2 can also be changed. For example, when the ballistic fiber cloth structure 2 is used for making sports with impact resistance At the time of clothing, the number of woven layers in the ballistic fiber fabric structure 2 may be only four, that is, two woven layers of the first woven layer and two woven layers of the second woven layer are alternately stacked.

As described above, the ballistic fiber fabric structure is staggered and overlapped by intersecting the first knitting direction of the second knit layer and the first knitting direction of the first knit layer to effectively improve the shear resistance of the ballistic fiber fabric. Cut performance. At the same time, the ballistic fiber cloth structure described above is made by a one-piece weaving method, which is suitable for fixed shaping and can be made into a desired shape without cutting, so it can be further applied to the inside of a female bulletproof vest Ballistic fiber cloth, to keep the original ballistic fiber cloth's original ballistic resistance.

The present invention has been disclosed in the foregoing with a preferred embodiment, but those skilled in the art should understand that this embodiment is only for describing the present invention, and should not be interpreted as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to this embodiment should be included in the scope of the present invention. Therefore, the scope of protection of the present invention shall be defined by the scope of the patent application.

1‧‧‧ Bulletproof vest

11‧‧‧ chest line

2‧‧‧ ballistic fiber cloth structure

21‧‧‧First weave layer

211‧‧‧First warp

212‧‧‧First parallel

22‧‧‧Second woven layer

221‧‧‧Second Warp

222‧‧‧ Second parallel

A‧‧‧ the first knitting direction of the first knitting layer

B‧‧‧ the first knitting direction of the second knitting layer

FIG. 1 is a schematic diagram of an appearance of a bulletproof vest according to an embodiment of the present invention. FIG. 2 is a partial exploded view of the structure of the ballistic fiber cloth according to the embodiment of the present invention.

no

Claims (10)

A ballistic fiber cloth structure includes: a plurality of first woven layers made of ballistic fiber material, each of the first woven layers having a first weave direction; and a plurality of second woven layers made of the ballistic fiber Made of material, each of the second knitting layers has a first knitting direction, and the first knitting direction of each of the second knitting layers is at an angle with the first knitting direction of each of the first knitting layers; A braided layer overlaps the second braided layers. The ballistic fiber fabric structure according to claim 1, wherein the first woven layer and the second woven layer are made by a one-piece weaving method. The ballistic fiber cloth structure according to claim 1 or 2, wherein an angle between a first knitting direction of each of the second knitting layers and a first knitting direction of each of the first knitting layers is 10 degrees to 60 degree. The ballistic fiber fabric structure according to claim 3, wherein an angle between a first knitting direction of each of the second knitting layers and a first knitting direction of each of the first knitting layers is 45 degrees. The ballistic fiber cloth structure according to claim 1, wherein the total of the first woven layer and the second woven layer is at least 36 layers. A bullet-proof vest comprising the ballistic-resistant fiber cloth structure according to any one of claims 1 to 5. A method for manufacturing a ballistic-resistant fiber cloth structure includes the following steps: (a) making a plurality of first woven layers from a ballistic-resistant fiber material, each of the first woven layers having a first weaving direction; (b) using the ballistic resistance The fiber material is made of a plurality of second knitting layers, each of the second knitting layers has a first knitting direction, and the first knitting direction of each of the second knitting layers is at an angle with the first knitting direction of each of the first knitting layers. ; And (c) overlapping the first woven layers and the second woven layers. The manufacturing method according to claim 7, wherein the first weaving layer and the second weaving layer are both made by a one-piece weaving method. The method according to claim 7 or 8, wherein an angle between a first knitting direction of each of the second knitting layers and a first knitting direction of each of the first knitting layers is 10 degrees to 60 degrees. The method according to claim 9, wherein an angle between a first knitting direction of each of the second knitting layers and a first knitting direction of each of the first knitting layers is 45 degrees.