JPS646839Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a gymnastics carpet used for gymnastics competitions or practices, and particularly for use as the top layer of a gymnastics floor, tumbling floor, or rhythmic gymnastics performance surface. The present invention relates to a carpet for gymnastics that has improved safety, ease of performance, and durability to prevent accidental injuries to athletes and trainees.

(Prior Art) Conventionally, felt and canvas double floor type gymnastics sheets as disclosed in the specification and drawings of Japanese Utility Model Publication No. 46-488 have been used in FIG competitions and similar competitions. Sequentially laminated materials were widely used. With this structure, accidental injuries such as broken bones and severe bruises can be largely prevented. However, it had the following safety and performance problems.

(Problems that the invention aims to solve) That is, the canvas at the top cannot sufficiently prevent injuries such as abrasions when a performer falls, and it is also easy to clean sweat, dust, etc. Moreover, it is not suitable for diversifying the structure of the performance because it has insufficient gliding ability for various spin turns and the like. In addition to the groundbreaking idea of using carpet for gymnastics to improve safety and hygiene, this invention has been improved by adding durability and ease of exercise that are not found in household or office carpets. The purpose is to provide carpets for gymnastics.

(Means for solving the problem) The present invention is laid as the top layer of gymnastics baths, tumbling baths, and rhythmic gymnastics performance surfaces, and is made of nylon fibers on a base fabric made of polypropylene fibers or polyester fibers. 10 to 12 mm
The pile is level cut to a finished length of 6.0 to 8.0 pieces/inch in the horizontal direction and 6.5 to 8.5 pieces/inch in the vertical direction.
It is characterized in that the piles are planted at a density of 1 inch, and a backing material such as jute is adhered to the back side of the base fabric on which the piles are planted using an adhesive such as rubber latex.

(Function) Those using a base fabric made of polypropylene fiber or polyester fiber have a tensile strength of 130
Kg/cm ² or more, it can maintain a flat playing surface without wrinkles even during intense exercise by performers, and can withstand long-term use. The pile, which is made by twisting 3 or 2 nylon fibers and heat setting them, level-cut to a finished length of 10 to 12 mm, has both great elastic recovery power and flexibility, and can be used evenly on a playing surface that is always upright. To maintain the performance and protect the body of a performer from scratches etc. when falling. laterally
Planting density of 6.0 to 8.0 piles/inch and 6.5 to 8.5 piles/inch in the longitudinal direction to the base fabric is 10 to 12 mm.
Together with the finished length of nylon fibers, it provides a suitable degree of slipperiness when performing spin turns, and at the same time prevents instability in the performance due to excessive slipping. In addition, because a backing material such as Jute is attached to the back side of the base fabric on which the nylon pile is planted using an adhesive such as rubber latex, the peel strength between the base fabric and the backing material is further improved. Together with the above-mentioned base fabric, it greatly improves the durability of the carpet, and also has excellent waterproof properties and can be cleaned as needed with a carpet cleaner, contributing to improved hygiene.

(Embodiment) An embodiment of the gymnastics carpet of the present invention will be described below with reference to the drawings.

Fig. 1 is a cross-sectional view showing the basic structure of the gymnastics carpet of this embodiment, Fig. 2 is a cross-sectional view of the laminated structure when the same gymnastics carpet is used for a gymnastics bath or tumbling bath, and Fig. 3 Fig. 3a is a plan view showing the gymnastics carpet laid on a gymnastics floor or rhythmic gymnastics performance surface, Fig. 3b is a partial sectional view of the tape lock section, and Fig. 4 is a plan view showing the gymnastics carpet laid on a tumbling floor. It is a top view showing the state where it is laid on the stand. In FIG. 1, the gymnastics carpet 100 of the present invention is made of polypropylene fibers with a size of 22×20
A base fabric 120 woven at a thread/inch ratio is made of 1050 denier nylon fiber, such as Leona 66 from Asahi Kasei Corporation.
etc. Nylon 66 (100% nylon BCF) 3
Pile 110 is twisted, heat set, and level cut to a finished length of 11 mm.
The piles are planted at a density of 7.1 piles/inch in the longitudinal direction, and the base fabric 12 on which the piles 110 are planted
0 Backing material made of jute (jute) 14
0 is attached with a rubber latex adhesive 130. Incidentally, the pile weight is 940 g/m ² in this example. Rubber latex adhesive 130 containing copolymerized vinyl resin emulsion type Tilement EVA-20 (product of Tilement Co., Ltd.) (SBRE-
20: Higashi Kagaku Co., Ltd. product) is used, and the peel strength of the carpet in this example is 8 kgf or more (JIS
This is a strong adhesive with a 100% strength rating (as determined by L1021 Schopper type tensile testing machine). The backing material 140, jute, has the longest fiber length (1 to 4 m) among natural fibers, has little shrinkage and elongation, has excellent dimensional stability, and is also excellent in strength.

The gymnastics carpet 100 of the present invention having the above-described structure is used as the top layer of a laminated structure 200 such as a gymnastics bath, a tumbling bath, etc. as shown in FIG. Regarding gymnastics baths and tumbling baths, the applicant filed a complaint on June 30, 1981.
This is detailed in the specification and drawings of the ``Gymnastics Yuka or Tumbling Yukata'' patent application filed in 1999.
The outline will be described here. Elastic support legs 2 made of rubber-modified olefin resin foam or olefin resin foam are attached in large numbers at intervals to the bottom surface of a substrate 220 made of veneer plywood.
30, when placed on the true floor F, cooperates with the substrate to exhibit a significantly superior repulsive force against external forces that act locally on the toes, such as when jumping. The main gymnastics carpet 100 prevents the toes of the feet from slipping carelessly during jumping by the frictional resistance of the piles 110 having a relatively dense planting density in the vertical direction. Furthermore, the elastic mat 210 made of resin foam laminated on the substrate 220 and the carpet 100 of the present invention laid thereon work together to elastically absorb the external force when the sole of the foot lands on the ground. At the same time, it reduces the impact force on the body during a fall and prevents fractures and bruises. Main gymnastics carpet 1
In addition, 00 provides appropriate slipperiness when performing a spin turn due to the comparatively coarse pile planting density in the lateral direction and the fall of the pile due to the 11 mm long nylon fibers. Furthermore, since the cut pile 110 is employed, it is possible to prevent the body from being scratched or injured when falling. Further, a base fabric 120 made of polypropylene fiber, and a rubber latex 13
0. Because we use strong materials such as JUUT's bucking material 140, the playing surface can always maintain a flat state without wrinkles, and the pile 11
It has become possible to maintain good conditions without any zero shedding (the pile pull-out strength has improved to 3.8 kg compared to JIS 2 kg). Furthermore, since these materials have excellent waterproof properties, it has become possible to appropriately clean them with a carpet cleaner or the like.

As shown in FIG. 3, when the gymnastics carpet 100 of the present invention is laid on a gymnastics bath or rhythmic gymnastics competition surface, a 1m wide safety zone 302 is provided around the 12m square performance surface 301. Due to storage constraints after use, it was divided into three pieces,
It is composed of a central carpet section 310 and carpet sections 320 and 330 on both sides. Central 4m x 14m section carpet 310
There is a 1m x 4m safety zone area 31 with a different color tone on both sides of the 4m x 12m performance zone area 311.
2,313 are joined together, and the side 5
The partition carpets 320 and 330 of m x 14 m are 4
1m x 5 squares with different color tones surround the m x 12m performance sections 321 and 331 in a U-shape.
Safety zone part 322, 323, 33 of m
2,333 and 1m x 12m safety zone part 3
24,334 are joined together. Acting section 31
1,321,331 and safe fly zone section 31
2,313,322,323,324,332,
The joints 333 and 334 and the overlap portions between the safety zone portions are heat set using a seaming tape 340 using a thermosetting resin adhesive. In addition, the outer peripheral edge of the safety zone carpet is overlocked with nylon thread 350, and the pile 11
0 retainer is installed. In order to prevent the pile 110 from falling off, the connecting edges of the carpets 310, 320, 330 in the center and both sides are provided with
In particular, a tape lock 360 was constructed using woven nylon or cotton cloth and sewing it with a lapper and a sewing machine with a margin, as shown in Figure 3b, so that it would not feel strange to the touch, especially on the connection line. ing. Moreover, each section carpet 310,
320 and 330 are firmly connected by using a high-strength magic tape 370 made of nylon, such as Quitclone manufactured by Yoshida Kogyo Co., Ltd., over the entire length of the connecting edge. At this time, the normal type 100
A mm-wide male magic tape is laid down, and a 50 mm-wide mohair type female magic tape is sewn or glued to the back of the carpet side, and the male and female tape are connected by matching them together. On the other hand, when laid on the tumbling yukata 400 as shown in FIG.
A piece of gymnastic carpet 100 is used to form a performance surface with a width of 18 m and a length of 18 m.
20 directly on top of the mat 210.
An overlock 410 made of nylon thread is constructed around the peripheral edge.

(Effect of the invention) As stated above, the gymnastics carpet 1 of the invention
According to 00, the base fabric 120 made of polypropylene fibers or polyester fibers and a rubber latex adhesive are used, so the tensile strength is significantly improved compared to ordinary carpets, and it can withstand intense exercise by performers. It is possible to maintain a flat playing surface at all times without causing wrinkles even when the ball is worn, and it can withstand long-term use. In addition, the pile, which is made by twisting three or two nylon fibers and heat-setting them and level-cutting them to a finished length of 10 to 12 mm, has both great elastic recovery power and flexibility, and has a uniform ridged state on the holder. To maintain the performance of a performer and to protect the performer's body from being scratched or injured when falling. 6.0-8.0 horizontally
It is relatively coarse with a book/inch, and 6.5 to 8.5 in the vertical direction.
Nylon fiber piles 110 with a length of 10 to 12 mm are planted on the base fabric 120 relatively densely (10 to 12 mm long), so they provide a suitable level of slipperiness when performing spin turns and other maneuvers. At the same time, instability in performance due to excessive slipping can be prevented. Furthermore, since a strong butting material 140 such as jute is adhered to the back side of the base fabric 120 on which the nylon pile is planted with an adhesive 130 such as rubber latex, the pull-out strength of the pile is also improved. The carpet 10 together with the base fabric 120 described above
In addition to greatly improving the durability of the carpet, it also has excellent waterproof properties and can be cleaned as needed with a carpet cleaner, contributing to improved hygiene. It has been well-received by leading athletes participating in the Olympics, and is said to be of great help in developing new techniques and diversifying performances.

[Brief explanation of drawings]

Fig. 1 is a sectional view showing the basic structure of the gymnastics carpet of the present invention, Fig. 2 is a sectional view showing the laminated structure of the gymnastics bath when the same gymnastics carpet is used as a gymnastics bath, and Fig. 3 Fig. 3a is a plan view showing the gymnastics carpet laid on a gymnastics floor or rhythmic gymnastics performance surface, Fig. 3b is a partial sectional view of the tape lock section, and Fig. 4 is a plan view showing the gymnastics carpet laid on a tumbling floor. It is a top view showing the state where it is laid on the stand. Explanation of codes, 100... Gymnastics carpet, 1
10... Pile, 120... Base fabric, 130... Adhesive, 140... Backing material, 200... Laminated structure of gymnastics bath or tumbling bath stand, 40
0...Tumbling Yukadai.

Claims (1)

[Scope of utility model registration request] It is laid as the top layer of gymnastics baths, tumbling baths, and rhythmic gymnastics competition surfaces, and is made of a base fabric made of polypropylene fibers or polyester fibers, with 3 or 2 strands of nylon fibers twisted and heat set. The pile is level cut to a finished length of 10 to 12 mm and is cut horizontally to a length of 6.0 to 12 mm.
The piles are planted at a density of 8.0 piles/inch and 6.5 to 8.5 piles/inch in the vertical direction, and a backing material such as Jute is attached to the back side of the base fabric on which the piles are planted using an adhesive such as rubber latex. A gymnastics carpet characterized by comprising: