JPH07150747A - Structure for floor material - Google Patents

Abstract

PURPOSE:To prevent such troubles as steps, joint gaps, and settling between slender piece plates. CONSTITUTION:Step groove sections 2 are formed at the side end sections of the back face of a slender piece plate 1. The side end sections of the slender piece plates 1 are butted together, a connecting material 4 is arranged on the groove bottom of a recessed groove section 3 formed by the mating step groove sections 2, and nail sections 5 protruded to the groove bottom side from both end sections of the connecting material 4 are driven to the bottoms of the step groove sections 2 respectively. An elastic synthetic resin 6 is filled in the recessed groove section 3, and the slender piece plates 1 are connected together by the elastic synthetic resin 6. The connecting material 4 prevents steps and gaps from being generated at the butted portion of the slender piece plates 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flooring structure in which a plurality of elongated piece plates are butted sideways and joined.

[0002]

2. Description of the Related Art Conventionally, a floor material constituted by abutting and joining a plurality of slender piece plates is known, for example, from Japanese Utility Model Laid-Open No. 1-171840. In this conventional example, a paragraph is formed at the side end of the back surface of the elongated piece plate to form a step groove portion, the side ends of the elongated piece plate are abutted against each other, and the concave portion formed by the opposed step groove portions is formed. The groove portion is filled with an elastic synthetic resin, and adjacent elongated piece plates are fixed to each other by the fixing force of the elastic synthetic resin. Then, when filling the synthetic resin having elasticity, the ends of the step groove portions, which are the abutting portions, are temporarily bonded by a hot-melt adhesive, and the synthetic resin having elasticity is filled in this temporary bonding state. The adhesive prevents the synthetic resin having elasticity from leaking to the surface side of the abutting portion of the elongated piece plates.

[0003]

However, in the case where only the adhesive is temporarily supported as in the above-mentioned conventional example, the elongated piece plate is displaced before the adhesive is hardened, and the elongated piece plate is displaced. There is a problem that a joint gap is generated between them or a step is generated. In addition, when the above floor material is applied, if a load is concentrated on the abutting portions of the elongated piece plates, a step or a depression may occur.

The present invention has been made in view of the above-mentioned problems of the prior art, and it is an object of the present invention to provide a structure of a floor material which does not cause inconveniences such as steps, joint gaps, and subsidence between the elongated piece plates. .

[0005]

The structure of the flooring material of the present invention is as follows.
Grooves are formed at the side edges on the back surface of the elongated piece plate 1 to form step grooves 2, and the side edges of the elongated piece plates 1 are abutted to each other, and the groove of the concave groove 3 formed by the opposed step grooves 2 is formed. The connecting member 4 is arranged at the bottom, and the nail portions 5 projecting from the both ends of the connecting member 4 to the groove bottom side are driven into the bottom of the step groove portion 2 respectively, and the recessed groove portion 3 is filled with the elastic synthetic resin 6. It is characterized by consisting of.

Further, a step groove portion 2 is formed by forming a paragraph at the side end portion of the back surface of the elongated piece plate 1, and the side edge portions of the elongated piece plate 1 are abutted with each other to be formed by the opposed step groove portions 2. A nail in which the recessed groove portion 3 is filled with an elastic synthetic resin 6 and a connecting member 4 is arranged between the back surfaces of the adjacent elongated piece plates 1 and both ends of the connecting member 4 project toward both the elongated piece plates 1 side. It is also preferable that the portions 5 are driven into both the elongated piece plates 1, respectively.

[0007]

According to the present invention having the above-described structure, the connecting member 4 is arranged at the groove bottom of the concave groove portion 3 formed by the step groove portions 2 facing each other, and the both ends of the connecting member 4 are moved to the groove bottom side. By configuring the protruding nail portions 5 to be respectively driven into the bottoms of the step groove portions 2, it is possible to hold the adjacent elongated piece members 1 that are connected and fixed by the synthetic resin 6 having elasticity so as not to be displaced by the connecting members 4. It is possible to prevent steps, joint gaps, sinking, and the like.

Further, the connecting members 4 are arranged between the back surfaces of the adjacent elongated piece plates 1, and the nail portions 5 projecting from the both ends of the connecting members 4 toward the elongated piece plates 1 are respectively attached to the elongated piece plates 1. Even in the structure of driving, adjacent elongated piece materials 1 connected and fixed by the synthetic resin 6 having elasticity can be held by the connecting material 4 so as not to be displaced, and steps, joint gaps, sinking, etc. can be prevented. become.

[0009]

EXAMPLES The present invention will be described in detail below based on examples. 1 to 4 show an embodiment of the present invention. Flooring 7
Is configured by joining the elongated piece plates 1 to each other by shifting the elongated piece plates 1 stepwise in a plan view and abutting them. Here, the elongated piece plate 1 is configured by laminating a surface plate 10 such as a veneer plate on the upper surface of a substrate 9 such as plywood,
A step groove 2 is formed on the back surface of the substrate 9 along the long side. Here, among the plurality of elongated piece plates 1, the elongated piece plates 1 located on the outer side have stepped groove portions 2 formed along the long sides inside the back surface portion of the substrate 9, and outside the back surface portion of the substrate 9. Fitting means including convex portions 11 to concave portions 12 are provided along the long side and the short side of the. The elongated piece plate 1 located inside has step grooves 2 formed along both long sides of the back surface of the substrate 9, and the convex portions 11 to the recesses 12 are formed along the short sides of the back surface of the substrate 9, respectively. Is provided. 3 and 4 are provided on the back side of the substrate 6 of each elongated piece plate 1.
As shown in, a plurality of lateral groove portions 13 are provided in a direction orthogonal to the step groove portion 2.

The elongated piece plates 1 are arranged side by side so that their long sides are in contact with each other, and the elongated piece plates 1 are joined together by being shifted so as to form a step in a plan view. Here, in joining the slender piece plates 1 to each other, the slender piece plates 1 are turned upside down, and the slender piece plates 1 are laterally stepped and abutted to each other, and are formed by the step groove portions 2 facing each other. Connecting material 4 on the groove bottom of the concave groove portion 3
And the nail portions 5 projecting from the both ends of the connecting member 4 to the groove bottom side are respectively driven into the bottom of the step groove portion 2 and temporarily supported, the synthetic material having elasticity like urethane in the concave groove portion 3. The resin 6 is filled, and the adjacent elongated piece plates 1 are adhered to each other by the elastic synthetic resin 6.
The cushion material 16 is laminated on the back surface of the floor material 7 in which the elongated piece plates 1 are shifted and joined in a step shape in a plan view.

The connecting member 4 used here is one in which a nail member 5 is formed at both ends by bending both sides of a linear member to form a U shape, or a plate member from both ends of a plate member. For example, the nail portion 5 is provided so as to project substantially at right angles to the portion. The connection by the connecting member 4 is partially performed at several places in the longitudinal direction of the elongated piece plate 1. In this way, the connecting member 4 is arranged at the groove bottom of the concave groove portion 3 formed by the facing groove portions 2, and the nail portions 5 projecting from the both ends of the connecting member 4 to the groove bottom side are respectively provided at the bottoms of the step groove portions 2. By pushing into, the adjacent thin piece plates 1 are temporarily held so that no step or gap is formed in the abutting part, and the synthetic resin 6 having elasticity leaks from the abutting part of the adjacent long piece plates 1 to the surface side. If the floor material 7 is constructed after joining the adjacent strips 1 with the synthetic resin 6 having elasticity, a step is formed between the adjacent strips 1 with each other. There is no gap or gap and the appearance is good, and even if the load is concentrated on the abutting part, the load causes a step or a gap in the abutting part of the adjacent elongated piece plates 1 or the abutting part sinks. It is adapted to be prevented from.

Next, another embodiment of the present invention will be described with reference to FIG. In this embodiment, the side ends of the elongated piece plates 1 are abutted against each other, and the ends of the step groove portions, which are the abutting portions of the bottoms of the recessed groove portions 3 formed by the opposed step groove portions 2, are joined together with a hot melt adhesive. 14, the synthetic resin 6 having elasticity is preliminarily bonded in this temporary bonding state, and the connecting member 4 is provided between the back surfaces of the adjacent elongated piece plates 1.
And the nail portions 5 projecting from both ends of the connecting member 4 toward the both elongated piece plates 1 are driven into both elongated piece plates 1 to be connected. Here, the connection by the connecting member 4 is performed by driving in several places in the longitudinal direction of the elongated piece plate 1 and connecting them.
Before applying the hot melt adhesive 14,
Alternatively, the connection may be performed after the hot melt adhesive 14 is applied and before the synthetic resin 6 having elasticity is filled, or after the synthetic resin 6 having elasticity is filled, but in the former two cases, When the synthetic resin 6 having elasticity is filled, it can be temporarily fixed by the connecting member 4 in advance, and the same temporary fixing action as in the embodiment of FIG. 1 can be performed. Also in this embodiment, even if a load is concentrated on the abutting portion, it is possible to prevent a step or a gap from being generated at the abutting portion between the adjacent elongated piece plates 1 due to the load, and the abutting portion from being depressed.

[0013]

As described above, according to the present invention, a step groove is formed by arranging a paragraph at the side end of the back surface of the elongated piece plate, and the side ends of the elongated piece plate are butted against each other. A connecting material is arranged at the groove bottom of the concave groove portion formed by the facing groove portions, and nail portions projecting from both ends of the connecting material to the groove bottom side are driven into the bottom of the step groove portion respectively, so that elasticity is provided in the concave groove portion. Since it is filled with the synthetic resin that it has, it is possible to hold the adjacent elongated piece materials that are connected and fixed by the elastic synthetic resin so that they will not be displaced by the connecting material, and there will be a gap between the abutting parts of the adjacent elongated piece materials. A step does not occur, and the sinking can be prevented even if a load is concentrated on this portion.

Further, a step groove is formed by forming a paragraph at the side end of the back surface of the elongated piece plate, the side ends of the elongated piece plate are abutted against each other, and the groove is formed in the groove formed by the opposed step grooves. A synthetic resin having elasticity was filled, a connecting material was arranged between the back surfaces of the adjacent strip pieces, and nail portions protruding from both ends of the connecting piece toward both the strip pieces were driven into the strip pieces. In this case, the adjacent elongated piece members connected and fixed by the elastic synthetic resin can be held by the connecting material so as not to be displaced, and a gap or a step may be formed at the abutting portion of the adjacent elongated piece members. Moreover, it is possible to prevent sinking even if a load is concentrated on this portion.

[Brief description of drawings]

FIG. 1 is an enlarged side sectional view of an embodiment of the present invention.

FIG. 2 is a plan view of the above.

FIG. 3 is a front sectional view of the above.

FIG. 4 is a rear view showing a state in which the above-mentioned elastic synthetic resin is connected by a connecting member before being filled.

FIG. 5 is an enlarged side sectional view of another embodiment of the present invention.

[Explanation of symbols]

 1 Elongated Piece Plate 2 Step Groove 3 Recessed Groove 4 Connecting Material 5 Nail 6 Synthetic Resin Having Elasticity

Claims (2)

[Claims] 1. A groove of a recessed groove portion formed by step grooves facing each other by forming paragraphs at the side edges of the back surface of the elongated piece plate to form step grooves, and abutting the side edges of the elongated piece plates to each other. While arranging the connecting member at the bottom, nail portions projecting from both ends of the connecting member to the groove bottom side are driven into the bottoms of the step groove portions, respectively.
A structure of a flooring material, characterized in that the groove is filled with an elastic synthetic resin. 2. A step groove portion is formed by arranging a paragraph portion on a side end portion of a back surface of the elongated piece plate, the side edge portions of the elongated piece plate are abutted with each other, and the groove portion is formed in a concave groove portion formed by opposing step groove portions. A synthetic resin having elasticity is filled, a connecting material is arranged between the back surfaces of adjacent elongated piece plates, and nail portions protruding from both ends of the connecting material to both elongated piece plates are driven into both elongated piece plates. The flooring structure characterized by being made.