JPH0654056B2 - Floor finishing structure, floor finishing method, and floor material - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a flooring of a building such as a building, and more particularly to a floor finishing structure improved so that a finished surface is smooth with respect to a floor including floor wiring. And floor finishing methods and flooring materials suitable therefor.

[Prior art] In a computer room or a factory that handles electronic parts, it is called a free access floor with a height of 30 to 40 cm in order to accommodate wiring materials that crawl vertically and horizontally on the floor and to perform air conditioning. The double floor structure is adopted.

In addition, in buildings with advanced information technology such as intelligent buildings and offices with advanced OA, it is possible to add or relocate equipment and change the layout of desks for various wiring such as power, communication, and data. A simple free access floor system with a height of about 5 to 10 cm is adopted to provide flexibility and to eliminate exposed wiring to improve the office environment.

By the way, since the habitability is important for the floors in the office, fibrous carpets are recommended and are used as a decorative material on the free access floors. In places, the application of plastic tiles may be preferred over the application of such fibrous carpets, and as such such carpets may themselves have some thickness and weight,
Further, the applicant of the present invention has developed and provided a plastic tile made of a homogeneous vinyl material having a backing layer on the back surface which is easily deformable.

This plastic floor tile was developed specifically for application on free-access floor panels, and the unevenness of the surface due to the material and finish of the panel and the steps and gaps between connected panels are soft. It absorbs by the deformation of the backing layer and tries to give a smooth floor finish.

[Problems to be Solved by the Invention] In the developed plastic tile, however, absorption of irregularities and the like in the panel for the free access floor is
The thickness of the backing layer depends on the thickness of the backing layer. To ensure such absorption, the backing layer may be thickened. There is a possibility that the tile body may be deformed by the load applied to the part, causing deformation of the tile body itself, that is, the surface part, and the floor finish with a smooth surface originally required for this article may not be achieved.

By the way, conventionally, as a floor-standing type floor material, a thin and flexible metal plate such as a tin plate is used as a core material, and a plastic plate such as vinyl is laminated and integrated on the front surface side of the core material. There has been proposed a metal / plastic composite laid tile in which a backing layer of foamed plastic or the like is laminated and integrated on one side (see Japanese Utility Model Publication No. 54-11712).

The main purpose of the proposed tile metal plate is to suppress the thermal expansion and contraction of the plastic material due to temperature changes, and to adapt it to the irregularities of the concrete base that are too large to be absorbed by the backing layer. Therefore, it is easily deformed. Therefore, with such a flexible metal plate, it is difficult to suppress the deformation of the plastic plate forming the surface due to the weight of the desk or equipment installed on the floor, and the above-mentioned problem cannot be solved.

In view of the above-mentioned problems of the prior art, the present invention can surely perform a smooth surface floor finish, and moreover, it is possible to prevent the plastic plate forming the surface layer from being deformed due to the weight of the equipment of the desk installed on the floor. An object of the present invention is to provide a floor finishing structure and a floor finishing method that can be effectively suppressed, and a flooring material applied therefor.

[Means for Solving the Problems] According to the present invention, the problems described above include a hard plastic plate as a surface layer, a steel plate having a thickness of 0.8 to 1 mm as an intermediate layer, and a soft rubber / plastic plate as a lower layer. This is achieved by using a structure in which these components are laminated and integrated.

The surface plastic plate has the required hardness, thickness, color, pattern, etc. as a floor finishing material. Use a vinyl chloride tile that has been conventionally used or one with equivalent performance. Is good.

In addition, the soft rubber / plastic plate of the lower layer needs to have a predetermined thickness and softness so that it can fit well into the unevenness of the floor and absorb it, and those that are well suited for this are polyolefins such as polyethylene and PVC. It is a foamed plastic plate, and urethane foam is also applicable.

Further, the steel sheet of the intermediate layer has a large deformation resistance against the pressing in the thickness direction, that is, the upper and lower surfaces, and needs to be hard enough to block the influence of the vertical stress, and the thickness is 0.
8 to 1 mm is used. In addition, it is preferable to use an anticorrosion treated steel plate in order to impart corrosion resistance.

The layers can be integrated by adhering these layers to each other with an adhesive or a double-sided pressure-sensitive adhesive sheet. At that time, a so-called unit may be completed in advance before floor finishing, or may be combined at the time of floor finishing. In particular, when the former method is used, it is preferable that the laminated unit of each layer has a tile shape whose vertical and horizontal dimensions are specified.

On the other hand, in the case of the latter method, first, the lower layer soft plastic plate and the intermediate layer steel plate are laminated and integrated and laid down, and the hard plastic plate serving as the surface layer is pasted on the laid metal plate. It can be integrated to provide the desired floor finish. In this case, the hard plastic plate of the surface layer can be arbitrarily selected in vertical and horizontal dimensions apart from the steel sheet of the intermediate layer. Therefore, by setting the dimensions large, floor surface finishing with less seams can be performed.

Which of these methods should be selected may be decided according to the situation of the floor finishing place.

The above-mentioned floor material can be directly applied to the concrete floor surface, but can also be applied to the surface makeup of the free access floor panel body for the double floor construction. In this case, by offsetting the seams of the free-access floor panels and the floor materials that are laid out, the steps between the panels due to the irregularities of the concrete floor on which the panels are laid and the gaps between the panels are made of soft plastic in the lower layer. It is absorbed by the deformation of the plate, and the steel plate can serve as a bridge reinforcing member between the panels having a gap.

[Embodiment] Hereinafter, further details will be described with reference to the accompanying drawings.

FIG. 1 shows an embodiment of the floor covering provided by the present invention.

The flooring material 1 here is made into a unit in which predetermined width dimensions are determined vertically and horizontally, and a hard plastic plate 2 as a surface layer, a steel plate 3 as an intermediate layer, and a soft plastic plate 4 as a lower layer. Are laminated and integrated in advance to form a unit.

Table 1 shows that the hard plastic plate 2 is made of vinyl chloride, the steel plate 3 is a galvanized steel plate, the soft plastic plate 4 is a foamed polyethylene plate, and an adhesive is used between these plate surfaces. In the three-layer structure joined by, the test results showing the degree of deformation in the thickness direction when changing the thickness of each layer, showing the JIS residual dent test equivalent to the conventional floor fixed vinylit With the contents, a load of 36 kg (226 kg / cm ² ) was applied to a 4.5 mmφ indenter and left on the sample product, and the amount of recess of the sample product at that time and the amount of residual recess after release of the load were calculated.

As is clear from the table, when the thickness of the galvanized steel sheet of the intermediate layer is very thin, 0.5 mm, both the dent and the residual dent when a load is applied are large, but when it is 0.8 mm to 1.0 mm, it becomes extremely small. Therefore, a steel plate having a thickness of 0.8 to 1.0 mm is used in the present invention.

Also, the surface vinyl chloride tile 2 has a thickness of 2 to 4 mm, but since the deformation to the galvanized steel sheet 3 in which the vinyl chloride tile 2 is laminated and integrated does not change, the thickness of 2 mm is appropriate from an economical point of view. Admitted.

From the above results, a vinyl chloride tile having a thickness of 2 mm is adopted as the hard plastic plate 2 of the surface layer, a galvanized steel plate having a thickness of 1 mm is adopted as the steel plate 3 of the intermediate layer, and the soft plastic plate 4 of the lower layer is adopted. In order to absorb the unevenness of the base, 3 mm is selected from an appropriate thickness of 2 to 4 mm, and a polyethylene foam plate with a foaming ratio of 10 times is adopted, and these are laminated and integrated with an adhesive to measure the vertical and horizontal dimensions of 450. As a result of constructing a unit tile having a size of × 450 mm, it was confirmed that a floor material suitable for the above-mentioned purpose was obtained.

FIG. 2 shows a unit tile 1 made as described above.
The following shows an example of applying the above as a makeup for a free access floor, in which a free access floor panel 6 having a size of 450 × 450 mm is laid on the concrete base 5 while being laid by the supporting legs 7, The floor covering 1 manufactured according to the above-described material dimensions is provided with a predetermined makeup by the laying down so that the joint 8 straddling the panel 6 covers the floor covering 1.

In addition, 9 is an electric wiring material passed through the space under the panel 6.

By doing so, the gap G generated at the joint 8 between the panels 6 due to the irregularity (unevenness) of the concrete base 5 is filled by the deformation press-fitting of the foamed polyethylene plate 4 of the lower layer, and the step D generated at the joint 8 is After all, it is absorbed by the deformation of the foamed polyethylene plate 4, and the influence thereof is blocked by the rigid galvanized steel plate 3, and the vinyl chloride plate 2 of the surface layer is not deformed, and a smooth surface floor finish is possible. Is.

Moreover, when a table on which a steel desk or OA equipment was placed was set on the surface vinyl chloride plate 2, no depression of the vinyl chloride plate 2 was observed. This supports the fact that the galvanized steel plate 3 receives a load such as a desk and suppresses the deformation of the plastic plate 2 on the surface layer.

It should be noted that the peripheral edge of the unit tile 1 is chamfered from the surface side (see 10 in FIG. 1), and a construction error when the unit tile 1 is spread can be adjusted by cutting the chamfered portion.

FIG. 3 shows another embodiment of the floor covering provided by the present invention, in which a lower soft plastic plate 4'having a predetermined width dimension and an intermediate steel plate 3'are laminated by an adhesive. It is assumed that it is composed of an integrated body and a hard plastic plate 2'of the surface layer separated from this, and at the time of construction, the laminated composite resistance of the lower layer and the intermediate layer is first laid and then The hard plastic plate 2'of the surface layer is laid and the predetermined floor finish is completed.

When a vinyl chloride tile is used for the hard plastic plate 2'and a zinc plated steel plate having a thickness of 1 mm is used for the intermediate layer, the thickness may be about 4 mm from the standpoint of laying.

According to the flooring material 1'constructed in this embodiment, the surface of the plastic plate 2'of the surface layer can be the same as that of the flooring material 1 made into the unit tile, and the surface finishing can be performed smoothly. Since the width dimension can be selected separately from the steel sheet 3 ', the width dimension can be made larger than that of the steel sheet and a plurality of steel sheets can be covered with one plastic plate, and construction with few joints is also possible. Become. This is possible because the surface of the spread steel sheets is smooth.

[Effect of the Invention] As described above, according to the present invention, it is possible to surely perform a smooth floor finish, and the plastic plate forming the surface layer is deformed due to the weight of the desk or equipment installed on the floor. The initial purpose of being able to effectively suppress the above-mentioned problems is more than fulfilled, and not only has the effects listed below.

(1) Since it can be laid in a removable manner on the floor,
The wiring layout can be changed easily.

(2) Even when the cable is laid directly on the floor and the electrical wiring is underneath, the presence of the steel sheet can withstand the shock load, and the damage to the wiring due to the penetration of the member. It is excellent in safety.

(3) By using a steel plate, it can be used to prevent static electricity and electrical noise.

(4) Since the lower layer is a soft rubber / plastic plate, it is more compatible with the base and has a high degree of adhesion, and therefore it is possible to perform complete laying without using an adhesive, which contributes to the improvement of workability.

(5) The presence of a steel plate having a certain weight and a thickness of 0.8 to 1 mm makes it comfortable to the lower substrate and comfortable to sit on.

[Brief description of drawings]

The attached drawings show an example of floor finishing according to the present invention. Fig. 1 is a perspective explanatory view showing an example of a floor material unitized into tiles, and Fig. 2 is an example of finishing to a free access floor by the same floor material. FIG. 3 is a cross-sectional explanatory view showing, and FIG. 3 is an explanatory view showing another aspect of the floor material. In the figure, 1,1 'is a floor material, 2,2' is a hard plastic plate, 3,3 'is a steel plate, 4,4' is a soft plastic plate, 5 is a concrete floor, 6 is a free access floor panel, and 7 is A support leg, 8 is a joint, 9 is a wiring material, 10 is a chamfer, C is a gap, and D is a step.

Claims (6)

[Claims] 1. A lower layer made of a soft rubber / plastic material on the floor surface, an intermediate layer made of a steel sheet having a thickness of 0.8 to 1 mm laminated and integrated on the lower layer, and the intermediate layer. A floor finishing structure having a surface layer made of a hard plastic plate that is integrally laminated. 2. A hard plastic plate forming a surface layer,
A floor finishing method characterized by placing and laying on a floor surface a floor material constituted by laminating and integrating a steel plate having a thickness of 0.8 to 1 mm forming an intermediate layer and a soft rubber / plastic plate forming a lower layer. . 3. A hard plastic plate forming a surface layer is separately provided, and a steel plate having a thickness of 0.8 to 1 mm forming an intermediate layer and a soft rubber / plastic plate forming a lower layer are laminated and integrated to form a hard plastic plate. Is placed and laid on the floor surface, and the hard plastic plate is attached and integrated on the steel plate in the laid state to lay it. 4. A panel body for double floor construction is placed and laid on a concrete floor, and a soft rubber / plastic plate as a lower layer and a thickness of 0.8 to as an intermediate layer are laid on the panel body.
A floor finishing method comprising laying a 1 mm steel plate and a hard plastic plate as a surface layer in a laminated state. 5. A hard plastic plate forming a surface layer,
A flooring material comprising a laminate of a steel plate having a thickness of 0.8 to 1 mm forming an intermediate layer and a soft rubber / plastic plate forming a lower layer, the tile being formed of the laminate. 6. A vinyl chloride plate having a thickness of 2 to 4 mm as a surface layer, a foamed plastic plate having a thickness of 2 to 4 mm as a lower layer, and a thickness of 0 as a middle layer.
The flooring material according to claim 5, which uses an anticorrosion treated steel plate having a thickness of 8 to 1 mm.