JPH07313623A - Mat for judo throwing practice - Google Patents

Abstract

PURPOSE:To provide a safe mat for Judo capable of smoothly practicing from preexercise to excercise of throwing and break-fall training, having superior shock absorption and restoration properties and without danger of hitting against bottom. CONSTITUTION:This mat comprises an insulation board 1 made by mixing wood chips, paper trash, etc., solidifed like a board and a board 2 for shock absorption comprising polyethylene foam laminated on the insulation board 1, a felt 3 made by compressing waste wool laminated on the board 2 for shock absorption and a surface material 4 to cover the laminated body. The thickness of this mat is made about 60mm identical to that of straw mat for Judo.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a throwing mat for judo, which is used when throwing as a practice of judo.

[0002]

2. Description of the Related Art Conventionally, a throwing mat used for throwing performed as a practice of judo is known to be made by wrapping urethane foam or expanded polyethylene foam with a surface material made of canvas or vinyl sheet, It is used by placing it on a tatami mat for judo. This conventional throwing mat has a width of 2000 mm and a length of 2000 mm
Or 4000mm, height 200mm or 400
mm.

[0003]

The throwing mat having such a structure is placed on a tatami mat to practice a technique called moving driving, that is, repetitive practicing a technique of repeating the technique, and finally throwing on the throwing mat. In the above-mentioned conventional throwing mat, when throwing, the throwing must be done while being concerned about the height of the mat, and it is easy for the throwing to be unnatural. Due to the height of the hand, there was a problem that the passive timing could not be adjusted and the hand, shoulder, etc. could be struck and dislocated.

The present invention solves such a problem. It can smoothly move from driving to throwing, and can also perform passively smoothly, is excellent in shock absorbing power and restoring ability, and is safe without bottoming danger. The purpose is to provide a simple throwing mat.

[0005]

Means for Solving the Problems In order to solve this problem, the present invention relates to an insulin board formed by mixing wood chips, paper chips, etc. and solidifying it into a board shape, and a resin laminated on the insulin board. A cushioning board made of foam, a felt made by compressing lint laminated on the cushioning board into a carpet shape, and a surface material for wrapping these laminates from above. Is made according to the thickness of the tatami mat for judo.

[0006]

With this structure, when the mat is laid between the tatami mat for judo and the mat for judo, the mat is made according to the thickness of the tatami mat for judo so that the surface is flush with the surface of the tatami mat for judo. Since there is no step, the throwing can be performed without worrying about the height of the mat. Therefore, it is possible to smoothly perform the movement driving and throwing as well as the passive movement, and it is possible to greatly reduce the injuries such as the hand, the shoulder, etc. being struck and dislocated. Moreover, the cushioning board made of felt or resin foam, which is located immediately below the surface material, absorbs the impact that occurs when throwing, so there is little impact on the human body even if the throwing is repeated, and practicing judo Can be done safely. In particular, the cushioning board made of a resin foam is excellent in impact absorbing ability and restoring ability, and can provide a safe throwing mat without danger of bottoming out.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 to 3, 1 is an insulation board formed by mixing wood chips and paper scraps and solidifying it into a board shape, and 2 is a foamed polyethylene foam with an expansion ratio of 30 times superposed on the insulation board 1. A cushioning board 3 made of felt made by compressing litter piled up on the cushioning board 2 into a carpet shape, and 4 a laminated body of the insulin board 1, the cushioning board 2 and the felt 3. The surface material 4 is a surface material to be wrapped from above, and the surface material 4 is formed by adhering a polyester / cotton mixed cloth to the back surface of a vinyl chloride sheet. Reference numeral 5 denotes a polyethylene backing sheet that covers the back surface of the mat, and is overlaid on the lower surface of the insulation board 1 and includes the insulation board 1 and the cushioning board 2,
It is fixed by a vinyl tape 6 to the winding portion 4a of the surface material 4 provided so as to wind the laminated body of the felt 3.

The thickness of each layer constituting the mat will be described. From the top, the surface material 4 is 3 mm and the felt 3 is 10 mm.
mm, cushioning board 2 is 30 mm, insulation board 1 is 15 mm, back sheet 5 is 1 mm, vinyl tape 6
Is 1 mm, and the thickness of the mat is about 60 mm so that the entire mat has the same thickness as that of a general Judo tatami mat.
And become flush.

The mat of this embodiment is laid in a line between the tatami mat 7 for judo and the tatami mat 7 for judo, and throwing is performed at the mat position. At this time, since the surface of the mat is flush with the surface of the judo tatami mat 7 and there is no step, the mat can be thrown in without worrying about the height of the mat. Therefore, it is possible to smoothly perform the movement driving and throwing as well as the passive movement, and it is possible to greatly reduce the injuries such as the hand, the shoulder, etc. being struck and dislocated.

By the way, in the above-mentioned embodiment, in order to reduce the impact generated at the time of throwing, the felt 3 is used.
Also, the buffer board 2 largely acts, and the thickness of the felt 3 needs to be 10 mm or about 10 mm as described above, and the thickness of the buffer board 2 needs to be 30 mm or about 30 mm as described above. In particular, if the buffer board 2 is too thin, there is a danger of bottoming out when thrown in, and if it is too thick, 60 m in combination with other members.
This is because it exceeds m and becomes thicker than the tatami mat 7 for judo. In addition, the cushioning board 2 in the above embodiment has a foaming ratio of 30.
It consists of double expanded polyethylene foam,
It is possible to use expanded polyethylene foam having an expansion ratio of 20 to 40 times. This is because if the expansion ratio is less than 20 times, it is too hard and the repulsive force increases, and if the expansion ratio exceeds 40 times, it is too soft and there is a risk of bottoming out.
Further, the buffer board 2 is made of polyethylene, but the material is not particularly limited.

[0011]

INDUSTRIAL APPLICABILITY As described above, the mat of the present invention is used by laying it between a tatami mat for judo and a tatami mat for judo, and the mat is for judo so that its surface is flush with the surface of the tatami mat for judo. Since it is made according to the thickness of the tatami mat, there is no step, so you can throw it without worrying about the height of the mat. Therefore, it is possible to smoothly perform the movement driving and throwing as well as the passive movement, and it is possible to greatly reduce the injuries such as the hand, the shoulder, etc. being struck and dislocated. Moreover, the cushioning board made of felt or resin foam, which is located immediately below the surface material, absorbs the impact that occurs when throwing, so there is little impact on the human body even if the throwing is repeated, and practicing judo Can be done safely. In particular, the cushioning board made of a resin foam is excellent in impact absorbing ability and restoring ability, and can provide a safe throwing mat without danger of bottoming out.

[Brief description of drawings]

FIG. 1 is a cutaway perspective view of essential parts of a throwing mat for judo according to an embodiment of the present invention.

FIG. 2 is a bottom view of the throwing mat for judo.

FIG. 3 is a cross-sectional view showing a state in which the throwing mat for judo is spread between a tatami mat for judo and a tatami mat for judo.

[Explanation of symbols]

 1 Insuren board 2 Buffer board 3 Felt 4 Surface material 4a Entrainment part 5 Back sheet 6 Vinyl tape 7 Judo tatami mat

Claims (1)

[Claims] 1. An insulation board formed by mixing wood chips, paper scraps and the like and solidifying it into a board, a cushioning board made of a resin foam laminated on the insulation board, and a cushioning board on the cushioning board. The felt is made by compressing the lint laminated in a carpet shape and the surface material for wrapping these laminates from above, and the mat thickness is made to match the thickness of the judo tatami mat. Characteristic judo throwing mat.