Waterproof baseball and softball and preparation method thereof

Abstract

The invention discloses a waterproof baseball and softball and a preparation method thereof, and the preparation method comprises the following steps: S1, winding a fiber material on a ball core to form a fiber winding layer; s2, wrapping the fiber winding layer with a waterproof material film to form a built-in waterproof wrapping layer; s3, TR wire winding is carried out outside the ball body on which the waterproof wrapping layer is formed; and S4, wrapping and sewing the ball skin subjected to waterproof treatment outside the ball body wound with the TR line, wherein a surface waterproof layer is arranged on the outer surface of the ball skin. The baseball and softball prepared by the invention can effectively block moisture permeation, and ensures that the weight, circumference, elastic coefficient and pressure resistance of the baseball are kept stable in a humid environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sports equipment, in particular to a waterproof baseball and a preparation method thereof. BACKGROUND

[0002] The structure of the cowhide baseball generally adopts a rubber red ball core as an inner container, uniformly winds a certain amount (the weight of the wool yarn is changed according to the performance of the baseball) of wool yarn (the yarn specification can be different) around the ball core, winds a TR line after the bending of the yarn, and then sews the ball body according to the baseball leather sheet and cotton thread. The material of the baseball leather sheet is generally cowhide, and the sewing thread is generally cotton thread. Due to the strong water absorption of the wool yarn, the baseball produced by the process scheme will change in weight due to water absorption in humid or rainy weather, greatly reduce the impact resistance, and cannot guarantee the service life of the product. SUMMARY

[0003] Therefore, in order to solve the above technical problems, the purpose of the present application is to provide a waterproof baseball and a preparation method thereof. The prepared baseball can effectively block water penetration and ensure that the weight, circumference, elastic coefficient and pressure resistance of the baseball remain stable in a humid environment.

[0004] The technical scheme adopted is as follows:

[0005] The preparation method of the waterproof baseball of the present application comprises the following steps:

[0006] S1. winding a fiber material on the ball core to form a fiber winding layer;

[0007] S2. wrapping a waterproof material film outside the fiber winding layer to form an embedded waterproof wrapping layer;

[0008] S3. winding a TR line outside the ball body with the waterproof wrapping layer;

[0009] S4. wrapping and sewing the waterproof treated ball leather outside the ball body with the wound TR line, and the outer surface of the ball leather is provided with a surface waterproof layer.

[0010] Further, in step S2, the waterproof material film is at least one of a plastic film, a rubber film or a composite waterproof film. The waterproof material film is directly wrapped outside the fiber winding layer of the ball core to form a waterproof wrapping layer, or a film-shaped waterproof wrapping layer with a required weight is formed outside the fiber winding layer by spraying or rapid dipping.

[0011] Further, in step S2, the waterproof material film is wrapped in a single layer or multiple layers, and the waterproof material films in multiple layers are of the same or different materials.

[0012] Further, in step S4, the waterproof treatment of the ball skin is a spraying process, a brushing process or a dyeing and finishing coating process, so as to form a film layer, a glue layer or a coating layer on the outer surface of the ball skin as the surface waterproof layer.

[0013] As an alternative technical solution, the preparation method of the waterproof softball of the present application comprises the following steps:

[0014] S1. Wrapping a fiber material on the ball core to form a fiber wrapping layer;

[0015] S2. Wrapping a TR wire on the fiber wrapping layer to form a TR wire layer;

[0016] S3. Coating a waterproof material film on the outer surface of the TR wire layer to form an embedded waterproof wrapping layer;

[0017] S4. Wrapping and sewing the waterproof treated ball skin on the outer surface of the waterproof wrapping layer, and the outer surface of the ball skin is provided with a surface waterproof layer.

[0018] The waterproof softball prepared by the preparation method described above comprises:

[0019] a ball core;

[0020] a fiber wrapping layer wrapped on the ball core;

[0021] a waterproof wrapping layer coated on the outer surface of the fiber wrapping layer;

[0022] a TR wire layer wrapped on the outer surface of the waterproof wrapping layer;

[0023] a ball skin wrapped and sewn on the outer surface of the TR wire layer;

[0024] a surface waterproof layer provided on the outer surface of the ball skin.

[0025] Further, the waterproof wrapping layer is composed of at least one waterproof material film of a plastic film, a rubber film or a composite waterproof film, and the waterproof material film is directly wrapped on the fiber wrapping layer of the ball core to form the waterproof wrapping layer, or a film-shaped waterproof wrapping layer meeting the weight requirement is formed on the fiber wrapping layer by spraying or rapid dipping.

[0026] Further, the waterproof wrapping layer is a single-layer or multi-layer waterproof material film, and the multi-layer waterproof material film has the same or different materials; and / or, the surface waterproof layer is a film layer, a glue layer or a coating layer formed by a spraying process, a brushing process or a dyeing and finishing coating process.

[0027] Further, the ball core is a spherical ball core of a ball core of wound animal fiber, plant fiber or chemical fiber, a rubber core, a PU core or a wood core; and the ball skin is animal skin or artificial leather, including cow leather, two log leather, horse leather, pig leather, PVC artificial leather or PU artificial leather.

[0028] As an alternative technical solution, the waterproof baseball prepared by the alternative preparation method of the application comprises:

[0029] a ball core;

[0030] a fiber winding layer wound on the ball core;

[0031] a TR line layer wound outside the fiber winding layer;

[0032] a waterproof wrapping layer wrapped outside the TR line layer;

[0033] a ball skin wrapped and sewn outside the waterproof wrapping layer;

[0034] a surface waterproof layer arranged on the outer surface of the ball skin.

[0035] The application has the following beneficial effects:

[0036] Compared with the traditional cow leather baseball, the waterproof baseball prepared by the preparation method of the application can ensure that the physical properties of the baseball are more similar to those in normal conditions in a humid environment or a rainwater competition / training environment, and the weight and size of the baseball do not change greatly due to water infiltration, and the change value is within the error allowable range. In addition, the elastic coefficient and pressure resistance performance degree can be ensured to be stable and qualified.

[0037] In the first aspect, the baseball prepared by the application is waterproofed on the surface by internally adding a waterproof wrapping layer and externally adding a ball skin, forming a double waterproof system, which blocks the water infiltration path and has a remarkable and durable waterproof effect.

[0038] In the second aspect, when the baseball prepared by the application is used in a humid or rainy environment, the weight, circumference and pressure resistance performance of the baseball change very little and can be kept within the error allowable range, ensuring the fairness, accuracy and consistency of the competition and training.

[0039] In the third aspect, the baseball prepared by the application avoids softening, deformation and strength reduction of the ball body due to water absorption, greatly improving the durability and service life of the product.

[0040] In the fourth aspect, the principle and process (i.e. the preparation method) of the application can be widely applied to baseball and softball products with different ball core materials (rubber, PU, wood, etc.) and different skin materials (animal skin, artificial leather, etc.), and has strong universality. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a structural schematic diagram of a waterproof baseball of Example 1.

[0042] Figure 2 is a photo of a waterproof cowhide baseball prepared in Example 1.

[0043] The serial numbers in the figure correspond to the features as follows:

[0044] 1-ball core; 2-fiber winding layer; 3-waterproof wrapping layer; 4-TR line layer; 5-ball skin; 6-surface waterproof layer. DETAILED DESCRIPTION

[0045] The present application will be described in detail below through specific examples, but the purpose and purpose of these exemplary embodiments are only used to exemplify the present application, and do not constitute any form of any limitation on the actual protection scope of the present application, and do not limit the protection scope of the present application.

[0046] It should be noted that the baseball refers to a baseball or a softball. The following examples take a baseball as an example.

[0047] Example 1

[0048] The preparation method of a waterproof baseball of the present embodiment comprises the following steps:

[0049] S1. Select a rubber ball core 1, and wrap it with 5 strands of wool yarn and 3 strands of wool yarn, with a total winding amount of about 100 grams, to form a fiber winding layer 2.

[0050] S2. Wrap the ball with a layer of rubber balloon film, and then wrap it with a layer of plastic film to form a double-layer waterproof wrapping layer 3, ensuring complete wrapping of the inner fiber winding layer 2.

[0051] S3. Wrap the ball with the waterproof film with TR line to form a TR line layer 4.

[0052] S4. Select a cowhide with a layer of waterproof plastic film on the outer surface skin pre-coated by a film coating machine as the ball skin 5, and the film-coated waterproof plastic film as the outer surface. Then wrap the ball skin 5 on the ball body of the TR line layer 4, and sew it with cotton thread. After sewing, a baseball with a double waterproof structure of an inner waterproof wrapping layer and an outer waterproof plastic film is prepared. The surface waterproof layer 6 of the outermost layer of the baseball is the waterproof plastic film or waterproof composite film provided by the cowhide after film coating.

[0053] The prepared waterproof cowhide baseball can be seen from Figure 1 the structural diagram, and Figure 2 the photo.

[0054] Example 2

[0055] The preparation method of the waterproof baseball of the embodiment is basically the same as that of embodiment 1, and the difference lies in that:

[0056] In step S2, only one layer of the waterproof composite film is used for wrapping.

[0057] In step S4, the leather cover 4 is made of PVC artificial leather, and a layer of waterproof glue is artificially brushed on the outer surface of the leather cover 4 before sewing, and a surface waterproof layer 5 is formed after curing.

[0058] To verify the performance of the waterproof baseball of the present application, the following test 1 was conducted:

[0059] The waterproof baseball produced according to the preparation method of embodiment 1 was detected before the experiment, and the weight, circumference, elastic coefficient and pressure resistance value were recorded. Then it was completely soaked in clean water for 30 minutes, and the surface water stains were wiped off after taking it out, and the same indicators were detected again. The specific contents are as follows:

[0060] 1. Before the experiment, the waterproof cowhide baseball was detected, and the detection contents were weight, circumference, elastic coefficient, and pressure resistance performance. The experimental results are shown in Table 1 below.

[0061] Table 1

[0062]

[0063] 2. Environmental simulation treatment of waterproof cowhide baseball: the waterproof cowhide baseball was soaked in water for 30 minutes, and then the water on the outer surface was wiped off and detected. The detection contents were weight, circumference, elastic coefficient, and pressure resistance performance. The experimental results are shown in Table 2 below.

[0064] Table 2

[0065]

[0066] The comparison of experimental results shows that the weight increase rate of the soaked baseball is less than 2%, the circumference remains basically unchanged, and the pressure resistance performance changes by less than 2%. All changes are much smaller than the change rate of traditional baseballs, and are completely within the allowable error range of competition balls, indicating that the waterproof effect of the waterproof cowhide baseball prepared by the present application is excellent.

[0067] Waterproof performance test 2:

[0068] The waterproof baseball produced according to the preparation method of embodiment 1 was used as a sample, and the water permeability test was conducted according to GB / T 22890.1-2024. The test was conducted by Guangzhou Inspection and Testing Certification Group Co., Ltd., and the test report number was 250259561. The test results showed that the water permeability was 0 after 2000 times.

[0069] The waterproof baseball produced according to the production method of Example 1 is taken as a sample, and the waterproof performance test is carried out according to GB / T40936-2021, and the test is carried out by a third-party Guangzhou Inspection and Testing Certification Group Co., Ltd., and the test report number is 250259562. The test results show that the water absorption is 0.254 g; the water absorption rate is 0.6%; and the back wetting condition is no wetting.

[0070] Example 3

[0071] As an alternative, compared with Example 1, the preparation method of the waterproof baseball of the present embodiment is different from that of Example 1 in that steps S2 and S3 are interchanged, comprising the following steps:

[0072] S1. Select a rubber ball core 1, and wrap it with 5 strands of wool yarn and 3 strands of wool yarn, with a total wrapping amount of about 100 grams, to form a fiber wrapping layer 2.

[0073] S2. Wrap the TR wire on the fiber wrapping layer 2 to form a TR wire layer 4.

[0074] S3. Wrap the TR wire layer 4 with a layer of rubber balloon film, and then wrap it with a layer of plastic film to form a double-layer waterproof wrapping layer 3, which ensures complete wrapping of the TR wire layer 4.

[0075] S4. Select a cowhide with a layer of waterproof plastic film on the outer surface pre-coated by a film coating machine as the ball skin 5, and the film-coated waterproof plastic film as the outer surface. Then wrap the ball skin 5 on the ball body of the waterproof wrapping layer 3, and sew it with cotton thread. After sewing, a baseball with a double waterproof structure of an internal waterproof wrapping layer and an outer waterproof plastic film is obtained. The outermost surface waterproof layer 6 of the baseball is the waterproof plastic film or waterproof composite film provided by the cowhide film coating.

[0076] In this way, in production and application, water can be prevented from entering and soaking into the TR wire through the needle holes of the sewing thread.

[0077] The series of detailed descriptions listed above are only specific descriptions of the feasible embodiments of the present application, and are not intended to limit the protection scope of the present application. Any equivalent embodiments or changes made without departing from the spirit of the present application shall be included in the protection scope of the present application.

Claims

1. A method for preparing a waterproof baseball, characterized in that, Includes the following steps: S1. Wrap fiber material around the sphere core to form a fiber winding layer; S2. A waterproof material membrane is wrapped around the fiber winding layer to form an internal waterproof wrapping layer; S3. TR wire is wound around the sphere on which the waterproof coating layer is formed; S4. The waterproofed ball skin is wrapped and sewn onto the ball body wrapped with TR thread, and the outer surface of the ball skin is provided with a surface waterproof layer.

2. The method for preparing a waterproof baseball according to claim 1, characterized in that, In step S2, the waterproof material membrane is at least one of plastic membrane, rubber membrane or composite waterproof membrane. The waterproof material membrane is directly wrapped around the core fiber winding layer to form a waterproof wrapping layer, or a membrane-like waterproof wrapping layer that meets the weight requirements is formed on the outside of the fiber winding layer by spraying or rapid impregnation.

3. The method for preparing a waterproof baseball according to claim 2, characterized in that, In step S2, the waterproof material membrane is a single-layer or multi-layer waterproof material membrane, and the multi-layer waterproof material membranes may be made of the same or different materials.

4. The method for preparing a waterproof baseball according to claim 1, characterized in that, In step S4, the waterproofing treatment of the ball skin is a coating process, an adhesive brushing process, or a dyeing and finishing coating process, so as to form a film layer, adhesive layer, or coating layer on the outer surface of the ball skin as the surface waterproof layer.

5. The method for preparing a waterproof baseball according to claim 1, characterized in that, Includes the following steps: S1. Wrap fiber material around the sphere core to form a fiber winding layer; S2. TR wire is wound into the fiber winding layer to form a TR wire layer; S3. A waterproof material membrane is wrapped around the TR line layer to form an internal waterproof wrapping layer; S4. The waterproofed ball skin is wrapped and sewn to the outside of the waterproof wrapping layer, and the outer surface of the ball skin is provided with a surface waterproof layer.

6. A waterproof baseball prepared by the method according to any one of claims 1-4, characterized in that, include: Sphere core; A fiber winding layer, which is wound around the spherical core; A waterproof wrapping layer that covers the fiber-wound layer; TR line layer, which is wrapped around the waterproof wrapping layer; The ball skin, which is wrapped and sewn to the outside of the TR thread layer; A waterproof surface layer is provided on the outer surface of the ball skin.

7. The waterproof baseball according to claim 6, characterized in that, The waterproof wrapping layer is composed of at least one waterproof material membrane selected from plastic film, rubber film, or composite waterproof film. The waterproof material membrane is directly wrapped around the core fiber winding layer to form a waterproof wrapping layer, or a membrane-like waterproof wrapping layer that meets the weight requirements is formed by spraying or rapid impregnation on the fiber winding layer.

8. The waterproof baseball according to claim 7, characterized in that, The waterproof wrapping layer is a single-layer or multi-layer waterproof material membrane, and the multi-layer waterproof material membranes may be made of the same or different materials; and / or, the surface waterproof layer is a film layer, adhesive layer or coating layer formed by a coating process, a brushing process or a dyeing and finishing coating process.

9. The waterproof baseball according to any one of claims 6-8, characterized in that, The core is a spherical core made of animal fibers, plant fibers, or chemical fibers, rubber, PU, ​​or wood; the skin is animal hide or artificial leather, including cowhide, sable hide, horsehide, pigskin, PVC artificial leather, or PU artificial leather.

10. A waterproof baseball / softball prepared by the method described in claim 5, characterized in that, include: Sphere core; A fiber winding layer, which is wound around the spherical core; TR wire layer, which is wound around the outside of the fiber winding layer; A waterproof wrapping layer covers the TR line layer; The ball skin, which is wrapped and sewn to the outside of the waterproof covering layer; A waterproof surface layer is provided on the outer surface of the ball skin.

Images