JPH04222538A - Horseshoe and production thereof - Google Patents

Abstract

PURPOSE:To obtain horseshoes suitable for horse racing, etc., excellently attachable by providing the outside edge of a long material formed by extrusion with a cut face, enlarging width between a central line connecting expected parts of nail hole formation and the outer edge part from both end parts to the central part and bending the material into a horseshoe shape. CONSTITUTION:A material such as light alloy is molded into a long material 1 having a uniform section and then the outside edge of the long material 1 is provided with a cut face 10. Width A between a central line L connecting expected parts of rail hole formation of the long material 1 and the outer edge of the long material 1 is gradually enlarged from both end parts of the long material 1 to the central part and then the long material 1 having the cut face 10 is bent into a horseshoe shape to give the objective horseshoe.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to horseshoes made of light alloy or iron for racing and training purposes, and a method for manufacturing the same.

0002

[Prior Art] Conventionally, the manufacturing method for light alloy horseshoes was as follows:
There were cases where it was done by forging, and cases where it was done by extrusion or drawing. An example of a method for manufacturing by extrusion will be briefly described below. When a plastic aluminum material is extruded through a die and the extruded material is cut into a predetermined length,
A long article 1 as shown in FIG. 1 is formed. This long object 1 has a uniform cross section, and on the ground side thereof, a nail hole forming groove 2 of a constant width and a grounding steel piece insertion groove 3 of a constant width narrower than the same groove 2 are provided on the ground side of the long object 1. A projecting wall 4 having a constant width is formed parallel to each other along the entire length of the long object 1 along the lengthwise direction, and a projecting wall 4 having a constant width is formed on the outer edge of the long object 1 adjacent to the insertion groove 3. The entire length between both ends protrudes toward the hoof attachment surface.

Next, as shown in FIG. 2(a), when the projecting wall 4 and both ends of the long object 1 are cut, an iron lip 5 is formed at the center of the outer edge of the long object 1 and protrudes toward the hoof attachment surface. Both ends of the long object 1 are chamfered. moreover,
As shown in FIG. 2(b), the ground steel piece 6 is fitted into the insertion groove 3 near the center of the long object 1. In this long object 1, the width A between the center line L of the nail hole forming groove 2 along the longitudinal direction and the outer edge of the long object 1, and the concentric line L and the long object 1
The width B between the inner edge and the inner edge of each is constant.

Next, when the long object 1 shown in FIG. 2(b) is bent into a horseshoe shape as shown in FIG. 7, the ground steel piece insertion groove 3 is crushed and only the ground steel piece 6 near the iron lip 5 is in contact. Exposed to the ground. Also in this horseshoe 7, the widths A and B between the center line L of the nail hole forming groove 2 and the outer and inner edges of the horseshoe 7 are constant over the entire length of the horseshoe 7. moreover,
As shown in FIG. 8, a plurality of nail holes 8 are arranged in parallel along the center line L within the nail hole forming groove 2.

[0005] The same applies to the case of manufacturing by drawing. The horseshoe 7 constructed in this way is applied to the hoof 9 as shown in FIG. will be installed on the By the way, the slope of the outer peripheral surface of the hoof 9 shown in FIG.
Since the thickness of the hoof 9 is smaller toward the front side than on both sides of the hoof 9, the thickness of the outer peripheral portion of the hoof 9 is smaller toward the front side of the hoof 9. Therefore, in view of the strength of driving the nail into the hoof 9, it is necessary to drive the nail inward from the outer circumferential edge of the hoof 9 toward the front side of the hoof 9.

However, in the conventional horseshoe 7 shown in FIG. 8, the width A is constant, so in order to maintain the driving strength of the nail into the horseshoe 7, the width A at the center of the horseshoe 7 must be set to the minimum. When made to the required size, this width A at both ends of the horseshoe 7 would be too large, and there was a risk that the nails would be driven inward more than necessary on both sides of the hoof 9 and damage parts other than the hoof 9. . This is a particular problem with horseshoes 7 formed by extrusion or drawing through a die.

[0007]

As described above, the problem with the conventional art is that it is not possible to simultaneously maintain the driving strength of the nail into the hoof and prevent damage to parts other than the hoof caused by the nail. It is an object of the present invention to provide a horseshoe and a method for manufacturing the same that solves the problems of horseshoes made by extrusion or drawing and enables good hoofing.

[0008]

[Means for Solving the Problems] In view of this object, the present invention provides a horseshoe 7 formed by bending a long object 1 formed by extrusion or drawing into a horseshoe shape, as shown in the drawings (FIGS. 1 to 6) of the embodiment described later. A cut surface 10 is formed on the outer edge of the nail hole 8, and the width A between the center line L connecting each nail hole 8 and the outer edge is gradually increased from both ends toward the center.

[0009] Such horseshoes 7 are preferably manufactured as follows. That is, first, a material is formed to provide a long object 1 having a uniform cross section. Next, a cut surface 10 is formed on the outer edge of the long article 1, and the width A between the center line L connecting the part of the long article 1 where the nail hole is to be formed and the outer edge of the long article 1 is determined at both ends of the long article 1. Gradually increase the size from the top to the center. Next, the long object 1 having such a cut surface 10 is bent into a horseshoe shape.

0010

[Operation] As shown in FIG. 6, when the horseshoe 7 of the present invention is applied to the hoof 9 and the horseshoe 7 is attached to the hoof 9 by driving a nail into each nail hole 8, the nails are placed inward toward the front side of the hoof 9. is entered. Therefore, the driving strength of the nail can be maintained on the front side of the hoof 9, which is thinner than on both side surfaces of the hoof 9.

Furthermore, in the horseshoe 7 of the present invention, the width A between the center line L connecting each nail hole 8 and the outer edge of the horseshoe 7 is the minimum necessary size near the center of the horseshoe 7. Since the area near both ends of the horseshoe 7 is smaller than the area near the center, the nail is not driven inward more than necessary on both sides of the hoof 9, and there is no risk of damaging parts other than the hoof 9.

0012

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 6. The long object 1 shown in FIG. 1 and the long object 1 shown in FIGS. 2(a) and 2(b) are as already explained in the prior art, but in this embodiment, the long object 1 shown in FIGS. 3(a) and 2(b) is This method differs from the conventional technology in that the process shown in FIG.

That is, in the long object 1 shown in FIG. 2(b), a cut surface 10 is formed on the outer edge from both ends to near the center. Therefore, the width A between the center line L of the nail hole forming groove 2 and the outer edge of the long object 1 gradually increases from both ends of the long object 1 toward the center. Note that cut surfaces 11 are also formed on the inner edges of the long article 1 near both ends thereof. Therefore,
Width B between the center line L of the nail hole forming groove 2 and the inner edge of the long object 1
gradually increases from both ends of the long object 1 toward the center.

Next, the long article 1 shown in FIGS. 3(a) and 3(b) is bent into a horseshoe shape as shown in FIG. Then, as shown in FIG. 5, a plurality of nail holes 8 are formed in the nail hole forming groove 2. Note that these steps are similar to those in the prior art shown in FIGS. 7 and 8. However, regarding the width A between the center line L of the nail hole forming groove 2 and the outer edge of the horseshoe 7, and the width B between the concentric line L and the inner edge of the horseshoe 7, as described above, The size gradually increases from both ends of 7 toward the center. In this respect, the horseshoe 7 of this embodiment is significantly different from the horseshoes 7 of the prior art.

As shown in FIG. 6, when the horseshoe 7 of this embodiment is applied to the hoof 9 and the horseshoe 7 is attached to the hoof 9 by driving a nail into each nail hole 8 (not shown), the front surface of the hoof 9 Nails are driven inward towards the sides. Therefore, the driving strength of the nail can be maintained on the front side of the hoof 9, which is thinner than on both side surfaces of the hoof 9. Furthermore, in the horseshoe 7 of this embodiment,
Width A between the center line L of the nail hole forming groove 2 and the outer edge of the horseshoe 7
is the minimum necessary size near the center of the horseshoe 7,
Since the area near both ends of the horseshoe 7 is smaller than the area near the center, the nails are not driven inward more than necessary on both sides of the hoof 9, and there is no risk of damaging parts other than the hoof 9.

In the above embodiment, the nail holes 8 were formed in the horseshoe-shaped horseshoe 7 shown in FIG. 4, but the nail holes 8 may be formed at an appropriate stage before the horseshoe is bent into such a horseshoe shape. . The same applies to the case of manufacturing by drawing.

[0017]

According to the horseshoe 7 and the method for manufacturing the same according to the present invention, it is possible to maintain the driving strength of the nail and prevent damage to parts other than the hoof 9, so that good hoofing can be achieved.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a long object formed by extruding a material and cutting it into a predetermined length.

2(a) is a perspective view showing a state in which the long object shown in FIG. 1 has been cut; FIG. 2(b) is a plan view showing a state in which a grounding steel piece is fitted into the long object shown in FIG. It is.

3(a) is a perspective view showing the elongated article according to this embodiment in which cut surfaces have been formed on both inner and outer edges of the elongated article shown in FIG. 2(b), and FIG. 3(b) is a plan view of the elongated article shown in FIG.

FIG. 4 is a plan view showing a state in which the long article of the present embodiment shown in FIGS. 3(a) and 3(b) is bent into a horseshoe shape.

5 is a plan view showing a state in which nail holes are formed in the horseshoe of this embodiment shown in FIG. 4; FIG.

FIG. 6 is a side view showing a state in which the horseshoe according to this embodiment is attached to a hoof.

FIG. 7 is a plan view showing a conventional horseshoe in which the long piece shown in FIG. 2(b) is directly bent into a horseshoe shape.

8 is a plan view showing the conventional horseshoe shown in FIG. 7 with nail holes formed therein; FIG.

FIG. 9 is a side view showing a state in which a conventional horseshoe is attached to a hoof.

[Explanation of symbols]

Claims (2)

[Claims] [Claim 1] A long article with a uniform cross section made by molding a material (1)
Next, a cut surface (10
), and the width (A) between the center line (L) connecting the part where the nail hole is to be formed of this long object (1) and the outer edge of the long object (1).
gradually increases in size from both ends of the long object (1) toward the center, and then the long object (1) having such a cut surface (10) is bent into a horseshoe shape. . 2. A horseshoe made by bending a long object (1) formed by extrusion or drawing into a horseshoe shape, with a cut surface (10) formed on its outer edge and a center line (L) connecting each nail hole (8). ) and the outer edge (A) is gradually increased from both ends toward the center.