JP3227192B2 - Floor panel for raised floor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor panel for a free access floor which forms a floor surface of a free access floor provided with a wiring space for communication and power cables under the floor.

[0002]

2. Description of the Related Art In recent years, in a building such as an office building, a wiring space has been provided under the floor so that a cable of a computer or a communication device or a power cable can be freely wired in response to advanced information. O with double floor structure provided
Many A rooms have been constructed.

As an example of the double floor structure, a structure shown in FIG. 3 is generally known. In this structure, a floor support beam 4 is constructed on a concrete base floor 1 with support legs 2... And a stringer 3 bridged between the support legs 2, and a square is provided on the floor support beam 4. The floor surface 6 of the OA room is formed by laying a plurality of plate-like floor panels 5. As a result, a wiring space 7 is provided in the space below the floor surface 6, and cables for computers and communication devices and power cables are wired.

Here, a plurality of floor panels 5 forming a floor surface 6 are provided on a top surface of a panel base 8 made of a die-cast aluminum or the like formed in a square shape, on a plastic tile 9.
Are generally used.

[0005]

Incidentally, in the OA room, there are cases where a small space such as a conference room or a refresh corner is provided by disposing a partition or the like inside the OA room. In this case, in order to make the inside of the meeting room and the refresh corner feel calm, there is a demand that the floor surface 6 should be replaced with the above-described tile surface and have a wooden floor finish.

However, when a wooden veneer is directly joined to the panel base plate 8 for finishing the wooden floor instead of the plastic tile described above, the wood is liable to be deformed such as peculiar warpage or expansion and contraction. There was a problem that it could not be securely joined to the upper surface of the panel base plate 8.

Also, the wood has water absorbency, and if the wood veneer is directly joined to the panel base 8, there is a risk that moisture will enter under the floor, and the wood is disposed in the wiring space 7. There is a problem in the insulating property of the cable, and in the past, wood veneer has not been adopted as a floor material of a floor panel for a free access floor.

The present invention has been made in view of the above circumstances, and a wooden veneer is uniformly and surely integrally joined to the upper surface of a panel base plate, and measures against moisture in a wiring space under the floor are taken. It is an object to provide floor panels for raised floors.

[0009]

According to the first aspect of the present invention, a plurality of floor panels for a free access floor according to the present invention are laid on a floor support beam provided on a foundation floor, thereby providing a wiring space under the floor. A floor panel for a free access floor which is provided to form a floor surface, and as such, serves as a floor surface.
Panel base plate as flooring material with required strength and its
And a composite board joined to the upper surface of the panel base plate,
The composite board is composed of a wooden veneer as a floor finishing material,
A wood veneer is inserted between the veneer and the panel base plate.
It functions as a buffer layer that can be used with a flannel base plate.
In addition, it comprises a resin sheet that also functions as a moisture-proof layer .

A floor panel for a free access floor according to a second aspect is characterized in that the wooden veneer and the resin sheet constituting the composite board are tightly and integrally joined in advance.

[0011]

According to the floor panel for a free access floor according to the first aspect of the present invention, the resin sheet integrally joined to the lower surface side of the wooden veneer is joined to the upper surface of the panel base plate with good familiarity. Therefore, the composite plate is uniformly and reliably integrated with the upper surface of the panel base plate. In addition, the resin sheet has a function of blocking moisture from the water-absorbing wooden veneer from entering the wiring space under the floor.

In the floor panel for a free access floor according to the second aspect of the present invention, the composite board to be joined to the panel base plate is tightly integrated with the wood veneer and the resin sheet in advance, so that it can be used for a long time. The two do not separate easily when used, and even if the veneer is deformed such as warping or expansion / contraction, the resin sheet itself deforms to sufficiently cover the deformation of the veneer. Can be.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a floor panel for a free access floor according to the present invention will be described with reference to FIGS.
The same components as those shown in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted.

The present embodiment is characterized in that a wooden veneer 10 and a resin sheet 11 are joined in layers on the upper surface of a panel base plate 8 composed of a calcium silicate plate or the like laid on the floor support beam 4. The composite panel 12 is joined with the wooden veneer 10 side as a floor to form a floor panel 13.
Then, the composite plate 12 is tightly and integrally joined in advance in a factory and is carried into the site.

The veneer veneer 10 constituting the composite veneer 12 of this embodiment is a veneer veneer having a thickness of 0.3 mm. The resin sheet 11 is a 2.7 mm thick vinyl chloride sheet. The wooden veneer 10 and the resin sheet 11 are laminated in a factory in a state where they are tightly integrated and joined to a thickness of about 3 mm. In addition, the surface of the wooden veneer 11 is subjected to a surface finishing process with a polyurethane resin paint so that even when used for a long period of time, the woody feeling is maintained with excellent wear resistance.

As a specific material of the composite plate 12, a composite plate (Woody 1) manufactured by Asahi Woodtech Co., Ltd. is used. This composite plate 12 is made of Japanese Industrial Standard A
5705 (vinyl floor tile) is a plate material equivalent to the performance standard, and the reference value for the length change due to heating, the length change due to water absorption, dent, residual dent, loss on heating,
It is formed to have an equal or higher quality standard.

The composite plate 12 is formed as a single plate having the same shape as the upper surface of the panel base plate 8, or is made of a plurality of rectangular plate members. The sheet 11 is attached to the entire top surface of the panel base plate 8 to which the adhesive has been applied, with the sheet 11 on the back side.

In this case, the resin sheet 11 on the back side of the composite board 12 comes into contact with the adhesive surface while being deformed so as to be in close contact with the upper surface of the panel base plate 8. Familiar and adhered. Then, the composite plate 12 is bonded to the entire upper surface of the panel base plate 8 by being pressed from above the composite plate 12 using a roller means or the like.

The floor panel 13 in which the composite plate 12 having the above-mentioned structure is integrally joined to the panel base plate 8 is made of a wooden veneer 10 having water absorbency, but is joined to the lower surface of the wooden veneer 10. Since the resin sheet 11 has a function of blocking moisture contained in the wooden veneer 10 into the wiring space 7 under the floor, moisture does not enter the wiring space 7.

Further, the composite plate 12 is previously prepared in a factory.
Since the veneer veneer 10 and the resin sheet 11 are tightly and integrally joined, they do not easily peel off even during long-term use, and furthermore, the veneer veneer 10 is deformed such as warping or expansion and contraction. Even so, the resin sheet 11 itself can be deformed to cover the amount of deformation of the wooden veneer 10, so that
It has sufficient durability as the upper surface material of the floor panel 13.

As can be easily understood from the above description, the floor panel for the free access floor of this embodiment is as follows.
Resin sheet 1 integrally joined to the lower surface of wooden veneer 10
1 is joined to the upper surface of the panel base plate 8 with good familiarity, so that the composite plate 12 can be uniformly and reliably integrated and bonded to the upper surface of the panel base plate 8.
1 has a function of blocking the moisture of the wood veneer 11 having water absorption from entering the wiring space 7 under the floor. Therefore, the partition 14 and the like are arranged in the OA room to refresh the conference room. When a small space 15 such as a corner is provided, it is possible to form a wooden floor-finished floor surface 16 having a texture and color unique to natural wood.

Further, the composite plate 1 to be joined to the panel base plate 8
2 is a wooden veneer 10 and a resin sheet 1
1 are tightly integrated with each other, so that they do not easily peel off even when used for a long period of time, and even if the veneer veneer 10 is deformed such as warping or expansion and contraction, the resin sheet 11 Since the wood veneer 10 itself can be deformed to cover the deformation amount, the wood veneer 10 can be used as the upper surface material of the floor panel 13 having sufficiently excellent durability.

In this embodiment, oak is used as the tree species of the wooden veneer 10, but the thickness is not limited to 0.3 mm, and other tree species can be arbitrarily selected.
The design can also be set arbitrarily, such as a parquet pattern. Further, the wooden veneer 10 may be backed if necessary.

[0024]

As described above, the floor panel for a free access floor according to the first aspect has a floor surface itself.
A panel base as a flooring material with the required strength,
And a composite plate bonded to the upper surface of the panel base plate.
The composite board is a wooden veneer as a floor finish,
A wooden veneer interposed between a wooden veneer and the panel base plate
Function as a buffer layer to make the panel familiar with the panel base plate
And a resin sheet that also functions as a moisture-proof layer
Since the resin sheet is integrally bonded to the lower surface of the wooden veneer, the resin sheet is joined to the upper surface of the panel base plate with good familiarity, so that the composite plate can be uniformly and reliably connected to the upper surface of the panel base plate. It can be integrally joined, and the resin sheet can fulfill the function of blocking moisture from the wooden veneer from entering the wiring space under the floor. Therefore, O
Forming a wooden floor finish in a small space such as a conference room, refresh corner, etc., with a partition in the room A, giving the unique texture and color of natural wood and giving a calm atmosphere Can be.

According to the floor panel for a free access floor according to the second aspect of the present invention, the composite board joined to the panel base plate is tightly integrated with the wood veneer and the resin sheet in advance. Even when used for a long period of time, the two do not easily peel off, and even if the veneer is warped or stretched, the resin sheet itself deforms to sufficiently cover the deformation of the veneer. Therefore, it can be used as an upper surface material of a floor panel having excellent durability.

[Brief description of the drawings]

FIG. 1 is a cross-sectional perspective view of a main part showing a floor panel for a free access floor according to the present invention.

FIG. 2 shows a floor panel for a raised floor according to the present invention.
It is a perspective view which shows the state used for some floor panels in A room.

FIG. 3 is a perspective view showing a conventional floor panel for a free access floor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Foundation beam 4 Floor support beam 7 Wiring space 8 Panel base plate 10 Wood veneer 11 Resin sheet 12 Composite board 13 Floor panel 16 Floor surface

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Satoshi Takahata Nichiasu, Inc. 1-1-26 Shiba-Daimon, Minato-ku, Tokyo (72) Inventor Akira Usami 1-1-26 Shiba-Daimon, Minato-ku, Tokyo Nichi-asu (72) Inventor Shige Kawai 4-5-1-10 Minamihonmachi, Chuo-ku, Osaka-shi, Osaka Asahi Woodtech Co., Ltd. (72) Inventor Shigeru Nakamura 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Within Construction Corporation (72) Inventor Hirokuni Sunaga 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation (56) References JP-U 3-45126 (JP, U) JP-U 63- 129033 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04F 15/024 601 E04F 15/04 B32B 1/00-35/00

Claims (2)

(57) [Claims] 1. A plate-like floor panel for a free access floor, wherein a plurality of sheets are laid on a floor support beam provided on a foundation floor to provide a wiring space under the floor to form a floor surface, As a flooring material that has the required strength of the floor itself
Panel base plate and the upper surface of the panel base plate
A composite veneer, wherein the composite veneer is a wooden veneer as a floor finish and
A wood veneer is inserted between the veneer and the panel base plate.
It functions as a buffer layer that can be used with a flannel base plate.
A floor panel for a free access floor, comprising a resin sheet that also functions as a moisture barrier . 2. The floor panel for a free access floor according to claim 1, wherein the wood veneer and the resin sheet constituting the composite board are tightly and integrally joined in advance.