JP2004188100A - Mat and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mat capable of preventing peeling of a member joined to the mat as slipping prevention. <P>SOLUTION: The mat is formed by arranging a resin body 2 on the surface of a mat body 1. Through-holes 16a and 16b are formed on the mat body 1. The resin body 2 has an upper layer part 21, projections 22a and 22b, and guard parts 23a and 23b. The upper layer part 21 is laminated on an upper face of the mat body 1. The projections 22a and 22b are protruded downward from the upper part 21 and pass through the through-holes 16a and 16b. The guard parts 23a and 23b are provided on a lower ends of the projections 22a and 22b and engaged with a lower face of the mat body 1 so as to prevent coming off of the projections 22a and 22b from the through-holes 16a and 16b. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a rug such as a snowboard and a method for manufacturing the same.
[0002]
[Prior art]
Conventional rugs include those provided with anti-slip means, for example, to prevent the rug from slipping on the floor or to prevent the user from slipping on the rug (for example, Patent Document 1).
[0003]
The rug described in Patent Literature 1 includes a non-slip sheet in which a non-slip layer having a plurality of holes is formed on one surface and an adhesive layer having an adhesive force is formed on the other surface. The adhesive layer is adhered to the rug, and the anti-slip layer comes into contact with the floor surface. With such a configuration, it is possible to prevent the rug from sliding on the floor.
[0004]
[Patent Document 1]
Japanese Utility Model Laid-Open No. 7-39646 (page 4, FIG. 1)
[0005]
[Problems to be solved by the invention]
However, in the conventional rug, the non-slip sheet is merely adhered to the rug with the adhesive force of the adhesive layer. Therefore, for example, if a force acting to separate the non-slip sheet from the rug acts, the non-slip sheet is easily peeled off from the rug, and the above-described anti-slip effect may not be obtained. .
[0006]
The present invention was conceived under such circumstances, and it is an object of the present invention to provide a rug that can prevent a member joined to the rug from being easily peeled off for the purpose of slip prevention or the like. That is the subject. Another object of the present invention is to provide a method for manufacturing a rug capable of suitably manufacturing such a rug.
[0007]
DISCLOSURE OF THE INVENTION
In order to solve the above problems, the present invention takes the following technical measures.
[0008]
The rug provided by the first aspect of the present invention is a rug in which a resin body is disposed on a surface of the rug body, wherein the rug body has a through hole formed therein, and the resin body has An upper layer portion laminated on the upper surface of the rug main body, a projection projecting downward from the upper layer portion and penetrating through the through hole, and provided at a lower end of the projection portion and the projection portion detaches from the through hole. And a flange that engages with the lower surface of the rug main body so as to prevent the rug from being damaged.
[0009]
According to such a configuration, for example, even if a force acting to separate the resin body from the rug main body acts, the flange engages with the lower surface of the rug main body, so that unlike the related art, The resin body does not easily separate from the rug body. Thereby, the effect provided by the resin body can be maintained for a long time. The effects provided by the resin body include, for example, an anti-slip effect such as preventing the rug itself from sliding on the floor surface or preventing a user from sliding the foot on the rug, an effect to improve impact resistance, or an effect against weather. And the effect of enhancing the decorativeness and the like.
[0010]
In a preferred embodiment of the present invention, the resin body is softer than the rug main body. According to such a configuration, the effect of improving the above-described slip prevention effect and impact resistance can be expected among the effects described above.
[0011]
In a preferred embodiment of the present invention, the rug main body includes a tread portion and a support leg capable of supporting the tread portion, and the through hole includes the tread portion and the support leg. And straddling it. According to such a configuration, the flange portion is a portion located below the support leg, that is, a portion located at the lowest position of the rug. Therefore, when the rug is used, the flange comes into contact with the floor surface, and it is possible to appropriately prevent the rug from sliding on the floor surface. In addition, since a gap is formed between the tread portion and the floor surface, for example, when the rug is used in an environment where water can exist, drainage can be improved.
[0012]
In a preferred embodiment of the present invention, the upper surface of the upper layer is formed in an uneven shape. According to such a configuration, for example, it is possible to further enhance the effect of preventing the user from sliding his / her foot on the rug.
[0013]
The method for manufacturing a rug provided by the second aspect of the present invention is the method for manufacturing a rug provided by the first aspect of the present invention, wherein the rug main body is accommodated in a molding die. In the molding die, a portion for molding the upper layer portion and the flange portion of the resin body forms a cavity connected to the through hole of the rug main body, and the cavity is filled with the resin to form the resin. It is characterized by having a step of forming a body.
[0014]
According to such a manufacturing method, the rug provided by the first aspect of the present invention can be appropriately and easily manufactured. Further, the adhesion between the rug main body and the resin body can be enhanced.
[0015]
Other features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be specifically described with reference to the drawings.
[0017]
1 and 2 show one embodiment of a rug according to the present invention. In the present embodiment, the present invention is applied to a snowboard. The snowboard X of the present embodiment includes a rug body 1 having a plurality of tread portions 11 and a plurality of resin bodies 2 arranged on the surface of the rug body 1.
[0018]
The rug main body 1 is made of, for example, polypropylene, and has a substantially square shape in plan view as a whole. The rug main body 1 includes a plurality of support legs 12 and auxiliary legs 14 capable of supporting the tread portion 11 in addition to a strip-shaped tread portion 11, and a plurality of hooks used to connect with another snowboard X. Joining portions 13a and 13b.
[0019]
The plurality of tread portions 11 are connected to each other via a plurality of thin portions 15 arranged at a predetermined interval between their opposing side surfaces 11e. Each of the thin sections 15 can be bent and deformed into a substantially U-shape in a side view, and the deformation of each of the thin sections 15 can also deform the rug body 1 into a state in which, for example, a plurality of tread sections 11 are arranged in a substantially U-shape in a side view. It is.
[0020]
As shown in FIG. 3, a plurality of first and second through holes 16a and 16b are formed in the upper surface 11f of the tread plate portion 11. The first through holes 16a have a substantially circular shape in plan view, and are arranged, for example, in a matrix over substantially the entire area of the upper surface 11f. The second through hole 16b is formed across the tread portion 11 and the support leg portion 12. The support leg 12 has a double structure including an outer cylinder 12a and an inner cylinder 12b, and is connected to the lower surface of the tread plate 11. The plurality of support legs 12 are arranged at predetermined intervals in the longitudinal direction of the tread plate 11. The outer cylinder 12a and the inner cylinder 12b are separated by a predetermined distance, and the inner cylinder 12b is supported by the outer cylinder 12a via four support pieces 12c. The four spaces surrounded by the outer cylinder 12a, the inner cylinder 12b, and the four support pieces 12c are open on the upper surface 11f of the tread plate 11. That is, four through holes are formed across the tread plate portion 11 and the support leg portions 12. The second through-hole 16b is constituted by these four through-holes arranged in a substantially loop shape in plan view via the four support pieces 12c.
[0021]
The engaging portion 13a has a substantially hook shape and protrudes downward, and is formed so as to be connected to the side surfaces 11a and 11b of the tread plate portion 11 which is an outer peripheral portion of the rug main body 1. The engaging portion 13b has a hole through which the engaging portion 13a can be inserted, and is formed so as to be connected to the side surfaces 11c and 11d of the tread portion 11 which is the outer peripheral portion of the rug main body 1. The auxiliary leg 14 has substantially the same height as the support leg 12. The auxiliary leg portion 14 is formed on the outer peripheral portion of the tread portion 11 so as to avoid the engaging portions 13a and 13b, and serves to maintain the shape of the tread portion 11.
[0022]
In the rug main body 1, the plurality of tread portions 11 are separated from each other by a predetermined distance, and the tread portions 11 are lifted from the floor surface to a predetermined height by the support legs 12. This makes it possible to improve drainage even when the SUNOKO X is used in an environment where water can exist, such as a bathroom or a veranda.
[0023]
The resin body 2 is, for example, an ethylene-based thermoplastic elastomer, and is softer than the rug main body 1 and has rubber elasticity. The resin body 2 includes an upper layer portion 21 stacked on the upper surface 11f of the tread portion 11, a plurality of first and second protrusions 22a and 22b connected to the upper layer portion 21, and a plurality of first and second A plurality of first and second flanges 23a and 23b connected to the tips of the projections 22a and 22b, respectively.
[0024]
On the upper surface 21a of the upper layer portion 21, a plurality of projections 24 are arranged, for example, in a matrix over substantially the entire area. The first protrusion 22a is fitted in the first through hole 16a. The first flange portion 23a is substantially hemispherical, and the periphery of the flat surface thereof is in contact with the lower surface of the tread plate portion 11. The second protrusion 22b is composed of four protrusions, which are respectively fitted into the four through-holes forming the second through-hole 16b. The second flange 23b has a substantially loop shape in a plan view, and the peripheral edge of the second flange 23b is in contact with the lower surfaces of the outer cylinder 12a and the inner cylinder 12b of the support leg 12. The second flange portion 23b is a portion located at the lowermost position of the sawboard X, and comes into contact with the floor surface when the rug X is used.
[0025]
Next, an example of a method of manufacturing the above-described Sawhorn X will be described.
[0026]
First, the rug main body 1 is formed. The rug main body 1 can be molded by a general injection molding method using, for example, polypropylene as a raw material.
[0027]
Next, as shown in FIG. 4, the resin body 2 is formed at a predetermined position of the rug main body 1 by insert molding using, for example, a metal mold 3. The molding die 3 is formed with a cavity 31 conforming to the shape of the snowboard X. That is, as shown in FIG. 5, if the rug main body 1 is accommodated in the cavity 31, the space 32 conforming to the shape of the resin body 2 is left. When the rug main body 1 is housed in the cavity 31 and then a molten material of, for example, an ethylene-based thermoplastic elastomer is injected into the cavity 31, the molten material covers the upper surface 11f of the tread portion 11 and the first and second through holes 16a. , 16b to fill the space 32. By cooling and solidifying the molten material in this state, the resin body 2 can be formed. Through such a series of operations, it is possible to complete the manufacture of the snowboard X in which the rug main body 1 and the resin body 2 are in close contact as shown in FIG.
[0028]
In the snowboard X of the present embodiment, the first and second flange portions 23a and 23b are respectively formed on the lower surface of the tread portion 11 even if a force acting to separate the upper layer portion 21 of the resin body 2 from the rug main body 1 acts. The first and second projections 22a and 22b do not come out of the first and second through holes 16a and 16b by engaging with the lower surface of the support leg 12. Thereby, peeling of the resin body 2 from the rug main body 1 is prevented. Therefore, according to the snowboard X, for example, the following effects can be maintained for a long period of time.
[0029]
That is, since the upper surface 11f of the tread portion 11 of the rug body 1 is covered with the soft resin body 2, in addition to improving the impact resistance, it is possible to prevent the user from sliding the foot on the snowboard X. Can be prevented. The protrusions 24 formed on the upper surface 21a of the upper layer portion 21 can further enhance the above-described effect of preventing slippage. Further, the second flange portion 23b located below the support leg portion 12 can prevent the snowboard X from sliding on the floor surface.
[0030]
The snowboard X having the above-described configuration is used in connection with a plurality of other snowboards X. The plurality of snowboards X are connected vertically and horizontally by, for example, engaging the engagement portion 13a of one snowboard X with the engagement portion 13b of another snowboard X. Since the snowboard X can be deformed by the presence of the thin section 15, the work of connecting the snowboard X can be easily performed. Since the engaging portion 13a has a substantially hook shape, the engaged state with the engaging portion 13b is not easily released.
[0031]
The present invention is not limited to the contents of the above-described embodiment. The specific configuration of each part of the rug according to the present invention can be variously changed in design. Similarly, the specific configuration of each operation step in the method for manufacturing a rug according to the present invention can be variously changed.
[0032]
In the present invention, the resin body is not limited to being softer than the rug body. Even if the resin body is not soft, an effect of improving weather resistance and decorativeness can be obtained.
[0033]
The support leg is not limited to the double structure including the outer cylinder and the inner cylinder, and may be a cylindrical body having a non-double structure such as a simple cylinder or a square cylinder. Even with such a configuration, the tread portion can be supported, and it is possible to prevent the resin body from being peeled off from the rug main body by forming the protrusions and the flanges in place.
[0034]
As a means for forming the upper surface of the upper layer portion of the resin body in an uneven shape, a concave portion may be provided instead of providing the projection. Even with such a configuration, it is possible to enhance the effect of preventing the user from sliding his / her foot on the snowboard X.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of a rug according to the present invention.
FIG. 2 is a sectional view taken along line II-II of FIG.
FIG. 3 is a perspective view of a main part of the rug main body shown in FIG. 1;
FIG. 4 is a cross-sectional view of a mold used to manufacture the rug shown in FIG.
FIG. 5 is a cross-sectional view illustrating steps of a method for manufacturing the rug shown in FIG.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 rug main body 11 tread plate section 12 support leg section 16a first through hole 16b second through hole 2 resin body 21 upper layer section 22a first projection section 22b second projection section 23a first flange section 23b second Flange 3 Molding X Snowboard

Claims (5)

A rug in which a resin body is arranged on the surface of the rug body,
A through hole is formed in the rug body,
The resin body has an upper layer portion laminated on the upper surface of the rug main body, a projection projecting downward from the upper layer portion and penetrating through the through-hole, and provided at a lower end of the projection portion and the projection portion. And a flange that engages with a lower surface of the rug main body so as to prevent the rug from being detached from the through hole. The rug according to claim 1, wherein the resin body is softer than the rug body. The rug main body has a tread portion and a support leg that can support the tread portion,
The rug according to claim 1, wherein the through hole is formed so as to extend over the tread portion and the support leg portion. The rug according to any one of claims 1 to 3, wherein an upper surface of the upper layer portion is formed in an uneven shape. A method for producing a rug according to any one of claims 1 to 4,
By accommodating the rug main body in the molding die, a cavity for forming the upper layer portion and the flange portion of the resin body is connected to the through hole of the rug main body in the molding die. And a step of molding the resin body by filling the cavity with a resin.

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