TW202144058A - A feather piece, a badminton ball and a manufacturing method thereof - Google Patents

Abstract

A feather piece, a badminton ball and a manufacturing method thereof are used to solve the problem that the conventional artificial badminton ball is difficult to use as a game. It includes: a first sheet body with at least one foam layer, a second sheet body with at least one foam layer, at least one of the first sheet body and the second sheet body has a support layer , The support layer is located between any two of the foam layers; and a rod body, the first sheet body and the second sheet body are relatively combined with the rod body.

Description

Feather flakes, badminton shuttlecocks and their manufacturing methods

The invention relates to a feather piece, a badminton shuttlecock and a manufacturing method thereof, in particular to an artificial feather piece that can be used as a game, a badminton shuttlecock and a manufacturing method thereof.

Generally speaking, shuttlecocks made of natural materials are light in weight and have a stable flight path after being hit, so they are often used as game balls. Goose feathers and duck feathers from special parts are used. In order to ensure their toughness in the process of obtaining feathers, the method of plucking live birds is now used, and there is a fear of inhumanity. In addition, the above goose feathers and duck feathers must be further processed. It can only be used to make feather flakes, so the price is relatively expensive, and polluting waste water and waste gas are generated in the processing process, which is easy to cause environmental pollution, and because the used feather flakes can no longer be recycled, it does not meet the current standards. Environmental trends. Therefore, the feather pieces and shuttlecocks are made of artificial materials. However, the weight and toughness of the artificial feather pieces and the made shuttlecocks are difficult to meet the specifications formed by natural shuttlecocks. Therefore, conventional artificial shuttlecocks are often used. It is difficult to be used as a practice ball or as a recreational ball for the general public.

In view of this, it is still necessary to improve the conventional artificial feather pieces and shuttlecocks.

In order to solve the above-mentioned problems, the purpose of the present invention is to provide a feather piece, a shuttlecock and a manufacturing method thereof, which can be manufactured with artificial materials and have specifications close to natural shuttlecocks, and are then used for players.

The directional or similar terms used throughout this disclosure, such as "front", "back", "left", "right", "top (top)", "bottom (bottom)", "inside", "outside" , "side surface", etc., mainly refer to the directions of the attached drawings, each directionality or its similar terms are only used to assist the description and understanding of the various embodiments of the present invention, and are not intended to limit the present invention.

The use of the quantifier "a" or "an" for the elements and components described throughout the present invention is only for convenience and provides a general meaning of the scope of the present invention; in the present invention, it should be construed as including one or at least one, and a single The concept of also includes the plural case unless it is obvious that it means otherwise.

Similar terms such as "combined", "combined" or "assembled" mentioned in the whole text of the present invention mainly include the components that can be separated without destroying the components after the connection, or the components can not be separated after being connected, which are common knowledge in the field. It can be selected according to the material of the components to be connected or the assembly requirements.

The feather sheet of the present invention comprises: a first sheet body with at least one foam layer, a second sheet body with at least one foam layer, at least one of the first sheet body and the second sheet body The system has a support layer, the support layer is located between any two foam layers; and a rod body, the first sheet body and the second sheet body are relatively combined with the rod body.

The shuttlecock of the present invention comprises: a ball holder with an opposite striking end and a joint end surface; and a plurality of feather pieces, one end of the shaft of each of the feather pieces is combined with the joint end surface.

The method for producing a feather piece of the present invention includes: foaming a plurality of foaming raw materials at a foaming ratio of 10 to 80 times to form a plurality of foamed materials, and making the plurality of foamed materials each have a diameter of 50 nm. ～500μm hole; at least one support material is combined with the foam material as the support layer to form the first sheet body and the second sheet body respectively; at least one rod body is combined with the first sheet body A semi-finished feather piece is formed between the second body and the semi-finished feather piece; and the semi-finished feather piece is cut to form a plurality of left and right hair branches radially centered on the rod body.

Accordingly, in the feather piece and shuttlecock of the present invention, at least one of the first piece body and the second piece body has at least one supporting layer, so that the feather piece can have a low weight under the premise that At the same time, sufficient strength and toughness are maintained, and the shuttlecock made of the feather flakes of the present invention can have a stable flight path, so that the batter can control and hit the ball path with changes, and can achieve the effect of meeting the specifications and quality of the game. . In addition, according to the method for producing feather pieces of the present invention, foaming the foaming raw material at a foaming ratio of 10 to 80 times, respectively, to form a foamed material having pores with a diameter of 50 nm to 500 μm, and using the foamed material. The foam material is used as the foam layer of the first sheet body and the second sheet body, and the foam layer is combined with at least one support layer, which can make the feather made by the first sheet body and the second sheet body. Under the premise of low weight, while maintaining sufficient strength and toughness, the sheet can be used to make badminton that meets the competition specifications, which can achieve the effect of reducing the need for using natural feathers and reducing the production cost of badminton.

Wherein, the material of the foam layer of the first sheet body and the foam layer of the second sheet body can be at least one selected from the group consisting of polyethylene, polyethylene terephthalate, thermoplastic polyurethane, polyurethane and polypropylene . In this way, the weight of the first sheet body and the second sheet body can be reduced, which has the effect of lightening.

Wherein, the material of the support layer is at least one selected from the group consisting of polyethylene, polyethylene terephthalate, thermoplastic polyurethane, polyurethane and polypropylene. In this way, the feather piece has the effect of having both strength and weight reduction.

Wherein, the thickness of the support layer is 1-48 μm. In this way, it has the effect of preventing the feather piece from being overweight.

Wherein, the materials of the foamed layer of the first sheet body and the foamed layer of the second sheet body are respectively formed by foaming different materials. In this way, it has the effect of adjusting the toughness and weight of the feather piece by foaming with different materials according to the needs of the user.

Wherein, the thickness of the foam layer of the first sheet body and the foam layer of the second sheet body is 0.1-2 mm. In this way, it has the effect of preventing the feather piece from being overweight.

Wherein, in the foam layer of the first sheet body and the foam layer of the second sheet body, there is a bonding layer between any two adjacent foam layers or foam layers and the support layer, and the bonding layer is as an adhesive. In this way, the bonding strength between the foamed layer of the first sheet body and the foamed layer of the second sheet body is enhanced.

Wherein, the thickness of the adhesive is greater than or equal to 1 μm. In this way, the system has the effect of preventing the feather piece from being overweight.

In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments of the present invention are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings:

Please refer to FIG. 1, which is a preferred embodiment of the feather piece of the present invention, which includes a first piece body 1, a second piece body 2 and a rod body 3, the first piece body 1 and the The second sheet body 2 is relatively combined with the rod body 3 .

The first sheet body 1 can have the appearance of a natural feather, for example, the first sheet body 1 can be cut by cutting or punching, so that the first sheet body 1 presents a centerline outward. A plurality of radial hair branches can make the first sheet body 1 look like a natural feather-like hair sheet. The first sheet body 1 may have at least one foam layer 11, and the foam layer 11 can be made of polyethylene (PE), polyethylene terephthalate (PET), thermoplastic polyurethane (TPU), polyurethane (PU). ) or polypropylene (PP) and other raw materials are foamed and formed, so that the weight of the first sheet body 1 can be reduced, and the weight is reduced. In this embodiment, the thickness of the foam layer 11 can be 0.1-2 mm, so that the weight of the feather piece can be reduced to meet the specifications of the shuttlecock for competition.

The first sheet body 1 may have a bonding layer 12 , and the bonding layer 12 may be adjacent to the foamed layer 11 . For example, the bonding layer 12 may be formed by an adhesive coated on the foamed layer 11 . Formed, the adhesive can be conventional acrylic glue or self-adhesive, which is not limited in the present invention.

The second sheet body 2 is combined with the first sheet body 1 , the second sheet body 2 may have a shape such as a natural feather to correspond to the first sheet body 1 , the second sheet body 2 may At least one foam layer 21 is provided, and the foam layer 21 can be made of polyethylene (PE), polyethylene terephthalate (PET), thermoplastic polyurethane (TPU), polyurethane (PU) or polypropylene (PP) The foaming material is formed by foaming. In this way, the weight of the second sheet body 2 can be reduced, and the weight of the second sheet body 2 can be reduced. In this embodiment, the thickness of the foamed layer 21 can be The weight of the feather piece can be reduced to meet the specifications of the shuttlecock for competition. The second sheet body 2 may have a bonding layer 22, and the bonding layer 22 may be adjacent to the foam layer 21 and used for bonding with the bonding layer 12 of the first sheet body 1. For example, the bonding layer 22 is also It can be formed by an adhesive coated on the foam layer 21, so that the bonding layer 22 can have stronger toughness and tensile strength, and can avoid the bonding layer 22 caused by poor adhesion. The effect of the second sheet body 2 falling off. In addition, the second sheet body 2 and the first sheet body 1 can also be relatively bonded by only a bonding layer, for example, only the bonding layer 12 of the first sheet body 1 or only the second sheet body can be used. It is known to those skilled in the art that the bonding layer 22 of 2 is used for bonding.

It is worth noting that at least one of the first sheet body 1 and the second sheet body 2 has a support layer, whereby sufficient support force for the foam layers 11 and 21 can be provided by the support layer. , so that the feather piece of the present invention has better strength and toughness, so as to meet the specifications formed by natural badminton. In this embodiment, the second sheet 2 has at least one supporting layer 23 as an example for description, however, the first sheet 1 can also have at least one supporting layer, or the first sheet 1 has at least one supporting layer. and the second sheet body 2 both have at least one support layer.

Specifically, the bonding layer 22 may be provided between the support layer 23 of the second sheet body 2 and the foam layer 21 of the second sheet body 2 , or the support layer 23 and the foam layer of the first sheet body 1 may have the bonding layer 22 . The bonding layer 22 can be provided between the foam layers 11, so that the at least one support layer 23 and each of the foam layers 11 and 21 can be stacked and bonded to each other, and the material system of the support layer 23 can also be polyethylene ( PE), polyethylene terephthalate (PET), thermoplastic polyurethane (TPU), polyurethane (PU) or polypropylene (PP), the thickness of the support layer 23 may be 1-48 μm, whereby the Feather pieces combine strength and light weight. For example, two opposite sides of the support layer 23 may have the above-mentioned adhesives respectively, so that the support layer 23 and the foam layers 11 and 21 can be bonded to each other. In addition, when the two opposite sides of the support layer 23 When each side has the adhesive, the support layer 23 can also be used as a double-sided colloid, and the double-sided colloid can be used to combine the above-mentioned foam layers with each other, or to combine the foam layers and the support layer with each other. Those skilled in the art can understand that the present invention will not be described in detail here. Preferably, the total thickness formed by the support layer 23 and the adhesive can be 3-48 μm, and the thickness formed by the adhesive can be more than 1 μm, so that the weight of the feather piece can be reduced to meet the competition requirements. With badminton specifications.

The rod body 3 has a joint portion 31 , the first sheet body 1 and the second sheet body 2 can be relatively combined with the joint portion 31 , and the first sheet body 1 and the second sheet body 2 are located on the rod body Parts of the left and right sides of 3 can be symmetrical, that is, in a single piece, the shape or size of the left and right sides of the rod body 3 is symmetrical, so that the feather piece can be made into a conventional ball, or the first The parts of one piece body 1 and the second piece body 2 located on the left and right sides of the rod body 3 are asymmetrical, that is, in a single piece body, the shapes or sizes of the left and right sides of the rod body 3 are asymmetrical, So that the shuttlecock system made of the feather piece can improve the rotational force during flight. The joint portion 31 is preferably adjacent to one end of the rod body 3 , so that the first sheet body 1 and the second sheet body 2 can be wrapped around one end edge of the rod body 3 to avoid the rod body 3 The joint portion 31 of the feather piece protrudes from the first sheet body 1 and the second sheet body 2, and is affected by the airflow when the feather sheet flies. In addition, the rod body 3 may have a plug end 32 , and the plug end 32 is located at an end away from the joint portion 31 .

Referring to Figure 2, a plurality of feather pieces of the present invention can be combined with a ball holder 4 to form a shuttlecock. The ball holder 4 can be made of natural cork and spliced cork, and the ball holder 4 has a relative The striking end 41 and a combined end surface 42, the striking end 41 is in the shape of a hemisphere, the rod body 3 of the feather piece can be combined with the combining end surface 42 by the plug end 32, preferably, the rod body 3 The plug-in end 32 is coupled to the periphery adjacent to the coupling end surface 42 , so that, for example, sixteen feather pieces can be coupled and surrounded by the periphery of the coupling end surface 42 to form the shuttlecock.

When manufacturing the feather piece of the present invention, several foaming raw materials can be respectively foamed at a foaming ratio of 10 to 80 times to form a foamed material, so that the several foamed materials have a diameter of 50 nm to 500 μm. Holes, whereby the foam material can be formed into the foam layer 11 of the first sheet body 1 and the foam layer 21 of the second sheet body 2, and then at least one support material can be combined with the foam material to serve as a The support layer 23 and the support material can be formed from raw materials such as polyethylene (PE), polyethylene terephthalate (PET), thermoplastic polyurethane (TPU), polyurethane (PU) or polypropylene (PP). For example, the plurality of foam materials and the support material can be cut into appropriate sizes and shapes, preferably the foam material and the support material can be cut into one piece. In this embodiment, The foam material and the support material can be cut into 4.5cm×30cm sheets respectively, but they can also be cut into other sizes according to requirements, which can be understood by those in the art, and the present invention will not be repeated here. . Further, the plurality of foamed materials and at least one supporting material can be combined with the aforementioned adhesive or the aforementioned double-sided adhesive, so that they can be used to form the first sheet body 1 or the second sheet body 2 respectively. . At least one rod body 3 is combined between the first sheet body 1 and the second sheet body 2 to form a semi-finished feather piece, and the semi-finished feather piece is cut, whereby the feather piece can be The semi-finished product is cut into feather pieces with the rod body 3 as the center.

It is worth noting that the conventional artificial feather pieces are usually formed of a whole piece of artificial material because of insufficient strength, and are not cut to form a plurality of radial branches that imitate natural feathers. Therefore, the conventional artificial feather pieces are In flight, the air cannot penetrate the feather pieces of the shuttlecock made, resulting in too much resistance and unable to carry out stable flight. Compared with this, the feather piece of the present invention has at least the support layer 23, thereby improving the strength and toughness of the feather piece, so the feather piece system of the present invention can cut the first sheet body 1 and the second sheet body 2, A plurality of left and right hair branches radially outward are formed with the rod body 3 as the center. For example, the system can be cut to form full round hair with symmetrical shape on the left and right sides of the rod body 3, knife feather hair with asymmetric shape on the left and right sides, or semicircular hair with a left and right hair count of 3:2, for example The number of hairs on the left side is 20 to 25, and the number of hairs on the right is 11 to 13. Preferably, the included angle between the left hairs and the rod 3 is 22°, and the angle between the right hairs and the rod 3 is 15°, And the total length of the feather piece can be 34mm-40mm, so, under the weight similar to the natural feather, the system can automatically adjust the airflow pressure and stabilize the flight trajectory.

To sum up, in the feather piece of the present invention, at least one of the first piece body and the second piece body has at least one support layer, so that the feather piece has a low weight, and at the same time Sufficient strength and toughness can be maintained, and the shuttlecock made of the feather flakes of the present invention can have a stable flight path, so that the batter can control and hit the ball path with changes, and can achieve the effect of meeting the game specification and quality. In addition, according to the method for producing feather pieces of the present invention, foaming the foaming raw material at a foaming ratio of 10 to 80 times, respectively, to form a foamed material having pores with a diameter of 50 nm to 500 μm, and using the foamed material. The foam material is used as the foam layer of the first sheet body and the second sheet body, and the foam layer is combined with at least one support layer, which can make the feather made by the first sheet body and the second sheet body. Under the premise of low weight, while maintaining sufficient strength and toughness, the sheet can be used to make badminton that meets the competition specifications, which can achieve the effect of reducing the need for using natural feathers and reducing the production cost of badminton.

Although the present invention has been disclosed by the above-mentioned preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various changes and modifications relative to the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the patent application attached hereto.

1: The first body 11,21: Foam layer 12,22: Bonding layer 2: The second body 23: Support layer 3: rod body 31: Joint 32: plug end 4: Ball holder 41: Strike End 42: Combined end face

[FIG. 1] An exploded perspective view of an embodiment of the present invention. [Fig. 2] An exploded perspective view of the bonding layer of the present invention. [Figure 3] A perspective view of a shuttlecock according to an embodiment of the present invention.

1: The first body

11,21: Foam layer

12,22: Bonding layer

2: The second body

23: Support layer

3: rod body

31: Joint

32: plug end

Claims (10)

A feather piece comprising: a first sheet body with at least one foam layer; a second sheet body with at least one foam layer, at least one of the first sheet body and the second sheet body has a support layer, and the support layer is located between any two of the foam layers; and A rod body, the first sheet body and the second sheet body are relatively combined with the rod body. The feather sheet of claim 1, wherein the material of the foam layer of the first sheet body and the foam layer of the second sheet body is selected from the group consisting of polyethylene, polyethylene terephthalate, thermoplastic polyurethane, At least one of polyurethane and polypropylene. The feather piece of claim 1, wherein the material of the support layer is at least one selected from the group consisting of polyethylene, polyethylene terephthalate, thermoplastic polyurethane, polyurethane and polypropylene. The feather piece according to claim 3, wherein the thickness of the support layer is 1-48 μm. The feather sheet of claim 2, wherein the materials of the foam layer of the first sheet body and the foam layer of the second sheet body are respectively foamed from different materials. The feather sheet of claim 1, wherein the thickness of the foam layer of the first sheet body and the foam layer of the second sheet body is 0.1-2 mm. The feather sheet of claim 1, wherein in the foam layer of the first sheet body and the foam layer of the second sheet body, any two adjacent foam layers or between the foam layers and the support layer have a bonding layer, the bonding layer is an adhesive. The feather piece of claim 7, wherein the thickness of the adhesive is greater than or equal to 1 μm. A shuttlecock comprising: a ball holder having an opposing striking end and a joining end surface; and A plurality of feather pieces according to any one of claims 1 to 8, wherein one end of the rod body of each of the feather pieces is combined with the combined end surface. A method for manufacturing a feather flake, for producing the feather flake as in any one of claims 1 to 8, comprising: foaming several foaming raw materials with a foaming ratio of 10-80 times respectively to form several foaming materials, so that the several foaming materials respectively have holes with a diameter of 50nm-500μm; combining at least one support material with the foam material as the support layer to form the first sheet body and the second sheet body respectively; combining at least one rod between the first sheet and the second sheet to form a semi-finished feather sheet; and The semi-finished feather piece is cut to form a plurality of left and right hair branches radially centered on the rod body.

Images