JPH0431553A - Wooden floor member - Google Patents

Abstract

PURPOSE:To need no bonding work by butting a plurality of wooden substrates bonded with the lamination of sound insulating sheets and nonwoven fabric layers having cushion property on the rear side surfaces of said substrates, to each other, and by executing the work on a floor bed. CONSTITUTION:On the rear side surfaces of wooden substrates 1 with wooden facing plates 2 arranged on the front layers, sound insulating sheets 4 and nonwoven fabric layers 5 are laminated to be bonded to each other. On the bottom sides of the wooden substrates 1, a plurality of channels 3 are arranged, and flexibility is applied to, and the propagation of oscillation is suppressed. A plurality of such wooden floor members A are butted to each other, and a fitting-on recessed section 6 and a projected section 7 are fitted on each other to execute work. The nonwoven fabric layers 5 are neatly familiar with a floor bed like a concrete slab and the movement of the wooden floor members A is suppressed, and bonding work is not needed. As a result, sufficient sound- insulating performance can be displayed, and sound generation at the time of walking can be avoided.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to wooden flooring materials, and more specifically, the present invention relates to wooden flooring materials, and specifically, to suppress the elongation of the sound insulation sheet due to heat while having sufficient sound insulation properties, and to prevent the sound insulation sheet from elongating due to heat. This relates to a technology that attempts to suppress the occurrence before walking by eliminating the gap between.

[Prior Art 1] Wooden flooring materials that are laid directly on a subfloor made of mortar, concrete, etc. have been known.

In such wooden flooring materials, there is a problem in that impact noise generated on the surface of the wooden flooring material is directly propagated to the subfloor surface made of concrete or the like, resulting in noise.

[Problems to be Solved by the Invention] To solve this problem, a sound insulation sheet is laminated on the back side of the wooden flooring material, but although such a sound insulation sheet has sound insulation properties, However, there are problems such as poor cushioning properties, a gap between the sheet and the floor base, noise generated in the gap when walking, and the sound insulating sheet being heated and stretched.

The present invention was made in view of such problems,
The purpose is to provide a wooden flooring material that eliminates the gap between the sound insulation sheet and the flooring, suppresses the occurrence of noise before walking, and also suppresses the expansion of the sound insulation sheet due to heat. .

[Means for solving the ts problem] The wooden flooring material of the present invention has a sound insulating sheet 4 laminated on the bottom surface of a wooden substrate 1 whose surface is decoratively finished, and a nonwoven fabric layer with cushioning properties on the back surface of the sound insulating sheet 4. 5 is multiplied by M.

[Function] In this way, the sound insulation sheet 4 is laminated on the back surface of the wooden substrate 1 whose surface has been decoratively finished, and the nonwoven fabric M5 having cushioning properties is applied to the back surface of the sound insulation sheet 4, thereby forming the sound insulation sheet. Although sufficient sound insulation is achieved in step 4 and the sound insulation properties of the wooden flooring material A laid on the subfloor are obtained, the nonwoven fabric N5 with cushioning properties laminated and bonded to the back side of the sound insulation sheet 4 causes unevenness. The non-woven fabric layer 5 adhered to the sound insulating sheet 4 avoids the generation of a gap between the floor base and the floor base, avoids the sounding of 911 due to the gap, and is sound insulated by the non-woven fabric layer 5 laminated and bonded to the sound insulating sheet 4. This is to suppress thermal deformation of the sheet 4.

[Example] Embodiments of the present invention will be described in detail below based on the drawings.

For example, a wooden decorative board 2 such as a veneer (sliced veneer) having wood grains obtained by thinly slicing wood is laminated on the surface layer of the wooden substrate 1 to provide a decorative surface. The wooden board 1 is made of plywood, and the plywood used is 3-brie, 5-brie, or 7-brie. The thickness of the wooden board 1 made of plywood is, for example, about 5.0 to 30 mm, and in this embodiment, the thickness is about 9 mm. Ol's is used. On the bottom surface of the wooden substrate 1, grooves 3 are arranged in parallel in a neutral manner.

The grooves 3 have a medium groove width of 1.6 to 3.2 m+-, 1°6- in the embodiment, and the pitch between the grooves 3 is about 10 to 201, and is 10 mm in the embodiment.

Such a wooden substrate 1 has a sound insulation sheet 4 with a sound insulation function.
are laminated, and this sound insulation sheet 4 suppresses the opening of the groove 3. And the sound insulation sheet 4 has a rubber hardness of 20°.
It is preferable that the sound insulating sheet 4 is about 95', and that the sound insulating sheet 4 is as soft as possible and has little elongation in terms of tension. That is, even though the wooden substrate 1 is pressurized by a pedal load or the like, the sound insulating sheet 4 is used to prevent the grooves 3 of the wooden substrate 1 from opening. The sound insulating sheet 4 is made by mixing metal powder into the base material of the synthetic resin sheet to increase its specific gravity to 1.5-
It is set to about 3.0. The thickness of the sound insulation sheet 4 is 1
．． 0 to 5, Oam, and in the example 3, Om
It is va. And the back side may be a flat surface,
Preferably, the sound insulating sheet 4 is embossed, and a nonwoven fabric layer 5 having cushioning properties such as polyester fibers or polypropylene fibers is laminated and adhered to the back surface of the sound insulating sheet 4.

Such non-woven fabric waste 5 includes ordinary products made of short fibers entangled, and spunbond products made of long fibers entangled. The nonwoven fabric layer 5 has a weight of about 10 to 100 g/m2, usually 3 g/m2.
It has a rough size of 0 to 50 g/J. Further, such a nonwoven fabric layer 5 is integrally molded when forming the sound insulation sheet 4, and the sound insulation sheet 4 is adhered to the back surface of the wooden substrate 1.

Therefore, a large number of grooves 3 are provided on the bottom side of the wooden substrate 1, which has a decorative finish and is similar to the FF type, and the many grooves 3 prevent the wooden substrate 1, which is similar to the wood type, from warping. This eliminates the rigidity of the wooden substrate 1, but rather imparts flexibility to the wooden substrate 1, greatly suppresses the propagation of vibrations, and improves the feeling of use even though the wooden substrate 1 is made of wood. Moreover, by laminating the sound insulating pads 4 on the back side of the wooden substrate 1 with a sufficiently high density compared to the density of the wooden substrate 1, the wooden substrate 1
The grooves 3 are prevented from widening without being given sufficient flexibility, and the deformation of the wooden flooring material A due to the provision of a large number of grooves 3 is suppressed. The high-density sound insulation sheet 4 improves the sound insulation performance, and in cooperation with the nonwoven fabric layer 5 with silane properties laminated and bonded to the back side of the sound insulation sheet 4, the sound insulation performance is further increased. The non-woven fabric 5 laminated and bonded to the back side of the sound insulation sheet 4 blends perfectly into the flooring, making it easy to adapt to uneven surfaces.
This prevents the movement of the wooden flooring material A and eliminates the need to apply #e adhesive.

The wooden flooring material A constructed in this manner is constructed by butting the wooden flooring materials A and A against each other.

In such a case, a fitting protrusion 6 and a fitting recess 7 are formed on the wooden substrate 1, and these are fitted in a concave-convex manner.

I Effects of the Invention 1 In short, the present invention has a sound insulation sheet laminated on the back side of a wooden substrate whose surface is decoratively finished, and a nonwoven fabric layer with cushioning properties is laminated and bonded on the back side of the sound insulation sheet.
Although the sound insulation sheet provides sufficient sound insulation and achieves the soundproofing properties of the wooden flooring material laid on the subfloor, the nonwoven fabric layer with cushioning properties laminated and bonded to the back of the sound insulation sheet causes unevenness. Ii on the subfloor! Avoids stains and gaps between the floor and the subfloor.L% Avoids noise when walking due to gaps, and suppresses thermal deformation of the sound insulation sheet with the nonwoven fabric layer laminated and bonded to the sound insulation sheet. The advantage is that it can be done.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an embodiment of the present invention, in which 1 is a wooden substrate, 4 is a sound insulating sheet, and 5 is a nonwoven fabric layer. Agent Patent Attorney Mr. Ishi 1) 71...Wood board

Claims (1)

[Claims] (1) A wooden flooring material comprising a sound insulating sheet laminated on the back side of a wooden substrate with a decorative finish, and a nonwoven fabric layer with cushioning properties laminated and adhesively bonded to the back side of the sound insulating sheet.