JPS63237930A - Edge processing method in floor mat - Google Patents

Abstract

PURPOSE:To attain an edge processing which is easy to perform fitting operation and superior in durability and flexibility by a method wherein a side fringe of a sheetlike mat obtained by entangling a thin string body of soft synthetic resin into coil-like state is processed into a thin plate through high-frequency treatment, an edge belt made of synthetic resin of the same quality as that of the thin plate part is mounted on the thin plate part and high-frequency jointing is applied to them. CONSTITUTION:A metallic die 4 is applied to a side fringe of a mat 1 composed of a coil-like soft synthetic resin material, the same is treated with a high-frequency welder and a narrow thin plate part 5 is formed. Then a belt-like edge belt 6 composed of a soft synthetic resin material of the same quality as that of the mat 1 is put on the thin plate part 5 and the high-frequency treatment is performed again by the die 4. With this construction, contacting surfaces between the edge belt and thin plate are welded together. Thus an edge processing method which performs fitting operation of an edge member easily and is reliable and superior in durability can be attained.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a floor mat made of thin strings made of soft synthetic resin entwined in a coil shape and processed into a sheet shape.
The present invention relates to a processing method for attaching an edge belt to the peripheral edge of such a mat.

[Conventional technology]

Floor mats made of thin strings made of soft synthetic resin coiled and processed into sheets have a thickness of 9 to 15 mm.
It has a net shape of about ++, and dirt such as the soles of shoes that are removed by this passes through the mat and falls down, so the mat surface can always be kept beautiful, and it has moderate cushioning properties and is soft. It is useful for use in things like doormats because it gives you the feeling of walking on it.

This mat can also be used while cutting a long object to size during processing.

For relatively small and medium-sized items such as entrance mats, as shown in the first diagram, an edge member 2 made of synthetic resin or rubber material can be attached to the side edge of the cut mat 1, so that the floor surface during use is The edge member 2 is often installed around the entire periphery of the mat (see FIG. 2) to improve the fit to the mat and ensure stability under the mat.

[Problem that the invention seeks to solve]

Incidentally, conventionally, the edge member 2 was attached to such a mat 1 by bonding with an adhesive 3 as shown in FIG. This requires a long work time, including applying the adhesive with a brush and waiting for it to harden. Moreover, there is a risk that the joint may peel off due to aging of the adhesive after long-term use. If the material of the mat 1 is different from that of the mat 1 during transportation and storage, problems such as the mat 1 waving due to the difference in expansion and contraction between the two members due to temperature and temperature may occur. It was inconvenient because it could not be folded or bent to make it smaller.

Therefore, the present invention aims, first of all, to attach the edge member to the mat with ease of operation, reliability, and durability, and to ensure stability during use while maintaining the original flexibility of the mat. The purpose is to develop an edge processing method that allows for

[Means for solving problems]

The purpose of this is to form a mat made of thin strings made of soft synthetic resin into a coiled shape and processed into a sheet to a desired size, and then subject the narrow side edges of the mat to high-frequency heating treatment. The floor is fused to form a thin plate part, then an edge belt made of a synthetic resin material of the same type as the mat material is placed on the thin plate part, and these two parts are bonded together by high-frequency heating treatment again while being pressed by a pressing die. Edge processing method for mats, or a mat made by coiling thin strings made of soft synthetic resin and processing them into a sheet shape is formed into a desired size, and the narrow part of the side edge of the mat is coated with the mat material. Place an edge belt made of synthetic resin material of the same type as the
An edge processing method for a floor mat in which the edge belt is integrally joined to the edge belt by melting the mantle edge on the lower surface of the edge belt into a thin plate shape by high-frequency heating treatment while being pressed by a press mold, and a thin string body made of a soft synthetic resin. The mat, which is made into a sheet by coiling the mat, is cut into a desired size, and an edge belt made of a synthetic resin material of the same type as the mat material is placed around the edge of the cut edge, leaving the corners of the edge of the edge intact, and applying high frequency waves. Joined together by heat treatment,
Next, a press mold having a curved inner corner of the mold having the shape of the corner is applied to the corner, and high frequency treatment is applied again to achieve the edge processing method for the floor mat. .

In addition to the flat edge belt used in each of the means described in 1-, it is also possible to use a wedge-shaped cross section, a part of which is cut off, and grooves 1-7 are provided.

[For production]

In the first step, a press mold is applied to the side edge of the mat cut into a desired shape and high-frequency heat treatment (welder) is applied, so that the coiled thin resin string in the relevant part of the mat is partially melted. It is formed into a small to medium thin plate shape.

Although this thin plate part has a thin wall thickness and is not functionally sufficient as an edge member in itself, it functions as an overhanging edge that is continuous with the original coiled part of the mat.

In other words, in order to give this thin plate part a wall thickness comparable to that of the matte part, an edge belt of a predetermined thickness is attached, and the part is subjected to a second process of high-frequency heat treatment again, thereby effectively forming the edge. A formation is made.

Furthermore, the above two-step edge processing is effective when applied to mats in which the thin synthetic resin strings constituting the mat have a relatively large diameter (approximately 1φ) and a thick mat (approximately 15 mm). On the other hand, it has a small diameter (0.5φ) and is thin (9mm).
The edge processing described above can be performed on mats of about 100 to 100 cm by a single step of placing an edge belt directly on the side edge of the mat and performing high-frequency heating treatment while pressing with a press die.

Furthermore, when edge processing is applied to the entire circumference of the mat, it is preferable to separately process the area between the butts of the horizontal edge belt and the vertical edge belt.

For this reason, during the edge processing of the vertical and horizontal edges,
The corners are left untreated, and in the next step, a corner-shaped press is used to perform high-frequency bonding on the intervening parts.

At this time, by using the mold with the inner corner formed into a curved surface, it is possible to avoid concentration of high frequencies at the intersection point during processing, compared to the case where the corner is made of an intersecting surface, and the lower part It is possible to prevent heat concentration on the mat. As a result, with the means using the pressing mold, it is possible to prevent excessive melting of the mat material at the inner corner of the pressing mold.

〔Example〕

The method of the present invention is implemented by the following illustrated means. That is, a mat 1 made of a coiled soft synthetic resin material is cut, a metal mold 4 made of brass or the like is applied to the side edge, and the mold 4 is welded by applying high frequency to the mat 1.
The side edges of the mat l pressed together become a thin plate portion 5 with small ridges, as shown in the second figure. The thin plate portion 5 has thin strings of mat material tightly welded together, and has a relatively linear surface with an entwined pattern of the thin strings remaining on its surface.

Next, a band-shaped edge belt 6 made of a soft synthetic resin material that is the same as or of the same type as the mat 1 is placed on the thin plate portion 5, and subjected to high frequency treatment again using the press mold 4. by this,
The contact surfaces of the edge belt 6 and the thin plate portion 5 are welded to form an edge 3 having a desired thickness as shown in FIG. And this edge 3 is the previous edge)
6 is pressed onto its surface by the press die 4 in an appropriately melted and softened state, resulting in a glossy surface with good smoothness.

The processing steps shown in FIGS. 3 to 7 are carried out for mats l with a diameter of about 1φ and a mat thickness of about 15 mm, but with a thinner diameter (0.5φ) of 10 mm.
For mats with the following thicknesses, as shown in Figure 8, the edge belt 6 is placed directly on the side edge of the mat 1.
The attachment of the edge member 2 can be carried out by a single process of high-frequency heating treatment under pressure.

In processing the edge member 2, when the edge surface is inclined, it is effective to use a cross-sectional model in which the edge belt 6° itself has an inclined surface, as shown in FIGS. 9 and 10. The pressing die 4' at this time also has a contact surface along the belt slope. Furthermore, the edge belt 6 or 6'' may be provided with a removal groove 7 (see FIG. 10) that fits with the thin plate portion 5, and the joining process may be performed while checking the edge belt 6 or 6''. In this case, it is effective to adopt a structure in which a sponge plate is attached to the bottom surface of the mat 1.

FIG. 11 is a plan view showing the corner processing state when the edge member 2 is attached to the entire circumference of the mat 1. Edge processing is performed on both side edges of the mat 1 by the above-mentioned means. Leave approximately 5 cm on both sides of the corner and then trim the edge belts 6 on both sides at the corner (direction to one corner diagonally or to an extension of one belt).
A corner press is applied to this and high frequency welding is performed, but at this time, a pool portion 8 is often formed inside the corner where excess melted resin is extruded.

Therefore, the inner corner of this corner mold 9 is curved 10 (the first
(see FIGS. 2 and 13), it is possible to avoid heat concentration and stress concentration on the corner during high-frequency treatment, and prevent the above-mentioned surplus resin from leaching out.

〔Effect of the invention〕

As described above, according to the method of the present invention, a mat made of thin strings made of soft synthetic resin entwined in a coil shape and processed into a sheet is formed into a desired size, and the side edges of the mat are coated with a material similar to the mat material. Since the edge belt made of synthetic resin material is attached by high-frequency heating treatment, firstly, the high-frequency treatment is a short-time batch process using a pressing die, so it is possible to shorten the working time. It is extremely unlikely to peel off, and since it is the same material as the mat material, the mat product can maintain its flexibility and can be rolled up or folded, making it convenient for transportation and storage due to its small size. There is no need to worry about shrinkage and deformation due to temperature changes, so it can always be used in the best condition, and the thickness and shape of the edge part can be freely selected and processed.In addition, the edge can be processed all around the mat. In some cases, by using a mold with a curved inner corner that is applied to the corner of Mar/1, it is possible to eliminate the seepage of softened surplus resin from the inner corner and achieve a good-looking finish. The edge surface can be finished with a glossy finish by pressing, and it can be configured to have high commercial value.
The method of the present invention is extremely superior as an edge processing method for this type of floor mat.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of an entrance mat processed by the method of the present invention, Fig. 2 is a perspective view showing another processing example, and Fig. 3 is a vertical cross-section of the main part showing the processing state of the edge part by conventional means. FIGS. 4 to 7 are explanatory diagrams sequentially showing an example of the processing procedure according to the method of the present invention, FIG. 8 is an explanatory diagram showing another processing procedure according to the method of the present invention, and FIGS. 9 and 10 are FIG. 11 is an explanatory view showing an example of a mat corner processing means, and FIG. 12 is a mat corner formed by the method of the present invention. FIG. 12 is a perspective view showing an embodiment of a corner die used in the method of the present invention. 111...mat, 2...edge member, 4 and 4°...
...Press die, 5... Thin plate part, 6 and 6', Φ edge belt, 7@... and deletion groove, 900. Corner press, 10-
--Curved surface patent applicant Bog Co., Ltd. Susurono agent Patent attorney Yoshi Wakamatsu Naoki 1 Figure 1 b Procedural amendment form) % formula % 1. Indication of the case Patent Application No. 73405 of 1988 62. T,””2,
Name of the invention Edge processing method for floor mats 3, Relationship with the case of the person making the amendment Patent applicant Risron Co., Ltd. 4, Agent 2-4-1-5 Shinjuku, Shinjuku-ku, Tokyo Date of amendment order Showa June 30, 1962 6. Subject of amendment (1) "Power of attorney" (2) "Column for brief explanation of drawings" 7. Contents of amendment (1) The power of attorney will be submitted as attached. 2) In the brief explanation section of the drawings in the specification (page 13, line 5 of the specification), the statement "Figure 12" will be amended to read Figure 13. that's all

Claims (6)

[Claims] (1) A mat made of thin strings made of soft synthetic resin entwined in a coil shape and processed into a sheet shape is formed into a desired size,
The narrow part of the side edge of the mat is fused by high-frequency heat treatment to form a thin plate part, and then an edge belt made of a synthetic resin material of the same type as the mat material is placed on the thin plate part, and then pressed with a press mold. An edge processing method for floor mats characterized by bonding these two bodies together again by high-frequency heating treatment. (2) A mat made of thin strings made of soft synthetic resin entangled in a coil shape and processed into a sheet shape is formed into a desired size,
An edge belt made of a synthetic resin material of the same type as the mat material is placed on the narrow width part of the side edge of the mat, and the edge belt is subjected to high-frequency heating treatment while being pressed by a press mold to form the edge of the mat on the lower surface of the edge belt into a thin plate shape. An edge processing method for a floor mat, characterized in that the edge belt is integrally joined to the edge belt while being fused to the floor mat. (3) A mat made of thin strings made of soft synthetic resin entwined in a coil shape and processed into a sheet shape is cut into the desired size,
An edge belt made of a synthetic resin material of the same type as the mat material is attached to the periphery of the cut circumference by high-frequency welding, leaving the corners of the circumference, and then a mold having the shape of the corner is formed. An edge processing method for a floor mat, characterized by pressing a mold having a curved inner corner portion against the corner and subjecting the corner to high frequency treatment again. (4) An edge processing method for a floor mat according to claims 1 to 3, wherein the edge belt has a flat plate shape. (5) An edge processing method for a floor mat according to claims 1 to 3, wherein at least one surface of the edge belt is inclined and thin on one side. (6) The edge processing method for a floor mat according to claims 1 to 3, wherein the edge belt is formed by cutting off the overlapping portion with the side edge of the mat to form a groove.