JP4867571B2 - Sound damping structure of decorative flooring - Google Patents

Description

  The present invention relates to a structure for preventing floor noise caused by rubbing of a floor material made with a decorative material. More specifically, the present invention relates to a sound-damping structure for preventing side noise caused by rubbing between side end portions when actual adjoining decorative floor materials are bonded, and a method for manufacturing a sound-damping decorative floor material.

  2. Description of the Related Art Conventionally, in an apartment house such as an apartment or a general house, it has been generally performed to form a floor surface by combining male and female real parts extending on left and right end surfaces of a rectangular flooring. At this time, a squeaking sound called flooring may occur due to deformation when a load is applied to the flooring during walking, or friction between joint ends of the flooring during walking. As a method of preventing this floor noise, for example, as described in Patent Document 1 below, countless microcapsules containing a liquid floor noise prevention agent are encapsulated on the surfaces of the male and female real parts of the floor material that are joined to each other. When the joint end surfaces of adjacent flooring materials are rubbed by a load during walking or when the space between the opposing upper and lower surfaces of the male and female parts is compressed, a part of the microcapsule is subjected to its frictional force. There has been proposed a technique for preventing floor squealing by causing it to break by compressive force and causing the floor squealing inhibitor to flow out.

The microcapsule used in the following Patent Document 1 wraps a surfactant, liquid oil, or an anti-flooring agent such as liquid polyethylene, glycol, liquid wax, liquid oil, etc. in a very small hard synthetic resin shell that can be broken by a load. It is manufactured by. Furthermore, countless microcapsules obtained in this way were added to a suitable solvent such as water, ethylene glycol or alcohol together with a binder such as vinyl acetate to produce a coating agent, and this coating agent was used as a flooring material. It is described that the innumerable microcapsules can be attached in layers through a binder by applying to the male and female real parts and the four end surfaces of the flooring material and drying, and the above-described configuration can prevent floor noise. Yes.
Japanese Patent Laying-Open No. 2005-171777 (Pages 1-5, FIGS. 1-5)

  However, in the technique described in Patent Document 1, the microcapsules produced by complicated labor are mixed in a solvent in the presence of a binder, and this coating agent is applied to the male and female real parts of the flooring and the four end surfaces of the flooring. And requires time-consuming work of drying. The present invention solves such problems, and provides a sound-damping structure for a decorative floor material that can prevent the occurrence of floor noise due to friction between floor materials over a long period of time, and a sound-damping decorative floor. It is an object of the present invention to provide a method for manufacturing a material.

  In order to solve the above problems, the present invention takes the following technical means. That is, according to the first aspect of the present invention of claim 1, a sound-damping structure for a decorative floor material, in which a decorative material is attached to the upper surface and side end surfaces of a floor material in which a male and female real part is formed on the left and right end surfaces. And the end of the decorative material is suspended on the upper end surface of the male fruit and the upper end surface of the female fruit, and the surface of the opposing suspended coating surface is roughened by laser light. A sound coupling structure is provided.

  The flooring material is not particularly limited as long as it is a rectangular board having a certain thickness, such as plywood, MDF, hard board, particle board, single plate laminate, and single plate laminate composite plate. can give. And the convex part as a male protrudes from one side end surface of the left and right in the longitudinal direction, and the concave part as a female fruit extends from the other side end surface, and the upper surface of the flooring A decorative material is applied, and an end portion of the decorative material is attached to the upper end surface of the male fruit and the upper end surface of the female fruit in a hanging manner.

  The laser beam is not particularly limited, and various laser beams generated by various methods such as a carbon dioxide laser, an Nd-YAG laser, an excimer laser, and a semiconductor laser are used by adjusting the output, energy density, irradiation time, and the like. The desired rough surface can be obtained.

In addition to the invention of claim 1, only the one side surface of the opposed hanging surface is a rough surface. Moreover, it is good also considering not only one side but both surfaces as a rough surface.

  In addition to the invention described in claim 1, in the sound-damping structure for a decorative floor material according to claim 3, the rough surface forms a convex portion by patterning the surface of the hanging adherend surface with laser light. To be done. There is no particular limitation on the pattern, and a microscopic dent is formed on the hanging surface by instantly blasting the spot where the laser beam hits, and a pattern is formed by providing relatively fine protrusions. be able to. The pattern is not particularly limited as long as it can be drawn by a laser beam, and examples thereof include a slanted line shape, a zigzag shape, a plurality of parallel straight lines, a character pattern, and an arbitrary curve.

  In addition to the invention described in claim 1, the sound-damping structure for a decorative floor material according to claim 4 is a decorative sheet. The decorative sheet is not particularly limited. For example, a decorative sheet made by adhering a resin design sheet to a thermoplastic resin sheet having an adhesive layer on the back surface, and laminating a design paper on the thermoplastic resin sheet. Well-known decorative sheets such as those made are used.

  In addition to the invention described in claim 1, the decorative material for a decorative floor material according to claim 5 is characterized in that the decorative material is a paint. The paint is not particularly limited, and is curable resin such as polyurethane resin, polyester resin, epoxy resin, or ionizing radiation curable resin that is cured by ionizing radiation such as ultraviolet rays or electron beam, titanium white, carbon black, etc. A mixture of these colorants is used.

  According to the second aspect of the present invention of claim 6, the upper end surface of the male floor and the upper end surface of the female body, which are made by applying a decorative material to the upper surface and the side end surface of the floor material to be combined. A method of manufacturing a sound-damping decorative flooring is provided, in which a hanging surface to be drooped is irradiated with laser light obliquely from below, and the drooping surface is rough.

  The sound-damping structure of the decorative flooring material according to the first aspect of the present invention is as described above, and the end of the decorative material is droopingly attached to the upper end surface of the male fruit and the upper end surface of the female fruit, Since the surface of the facing drooping surface is roughened by the laser beam, the surface of the drooping coating material is applied when a load is applied to the joint end surfaces of the facing and abutting flooring materials during walking, etc. It is possible to prevent generation of squeaking noise by friction between each other and floor noise.

  The sound-damping structure for a decorative floor material according to claim 2 is as described above. In addition to the effect of the sound-damping structure for a decorative floor material according to claim 1, only the one side surface of the opposing hanging surface is provided. Since the laser beam is irradiated on the surface, the surface can be easily roughened with good workability.

  The sound-damping structure for a decorative flooring material according to claim 3 is as described above. In addition to the effect of the sound-damping structure for a decorative flooring material according to claim 1, the rough surface is a surface of the hanging surface. It is designed to form fine projections by pattern processing, and the surfaces of the hanging covering decorative materials are not in surface contact but come in contact with innumerable point contact, and the frictional force is reduced. Can be prevented.

  The sound-damping structure for a decorative floor material according to claim 4 is as described above, and in addition to the effect of the sound-damping structure for a decorative floor material according to claim 1, the cosmetic material is a decorative sheet. When constructing a sheet entraining floor material in which both ends of the sheet are entrained, floor noise can be effectively prevented.

  The sound-damping structure for a decorative floor material according to claim 5 is as described above, and in addition to the effect of the sound-damping structure for a decorative floor material according to claim 1, the cosmetic material is a paint. Can be effectively prevented by applying a laser beam to the hanging decorative material formed as a coating film to form a rough surface. .

  The manufacturing method of the sound-damping decorative flooring according to the second aspect of the present invention is as described above, and the male upper end surface and the female upper end surface of the decorative floor material formed by applying the decorative material, The surface of the hanging floor is irradiated with a laser beam obliquely from below to make it a rough surface. Therefore, the upper surface of the above-mentioned decorative flooring material does not become a rough surface. Floor.

  Hereinafter, embodiments of the first invention of the present application will be described in detail with reference to the drawings. In the present embodiment, an embodiment will be described in which a sheet-wrapped flooring material in which a decorative sheet is wound around a male and female part is used, and the opposite side surfaces of the facing hanging decorative material are roughened.

  FIG. 1 is an exploded explanatory view showing a sound-damping structure for a decorative floor material according to the first invention. As shown in FIG. 1, the decorative flooring A according to the above-described sound-damping structure has a makeup as a decorative material 4 on a flooring 1 having a female fruit 2 at the left end of the flooring 1 and a male fruit 3 at the right end. A sheet is attached, and the right end portion of the cosmetic material 4 is droopingly attached to the upper end surface of the male fruit 3 to form a male side drooping coated surface 41, and the left end portion of the decorative material 4 is a female fruit. 4 is applied to the upper end surface of the female body 4 to form a female side hanging surface 42.

  The opposing male side drooping surface 41 and female side drooping surface 42 are roughened by patterning so as to project oblique lines with laser light, and are formed on the male side drooping surface 41. The oblique line pattern 51 provided and the oblique line pattern 52 provided on the female side hanging surface 42 are crossed with each other. At this time, it is possible to adjust the surface roughness by adjusting the pattern interval, and it is possible to adjust the surface roughness by adjusting the output of the laser beam.

  When pattern processing is performed so as to project the oblique lines, the cross point is an infinite number of contact points at the time of actual coupling, and the male side hanging surface 41 and the female side hanging surface 42 are in point contact. Therefore, it is possible to avoid surface contact and to reduce the squeaking noise caused by the rubbing of the decorative materials. FIG. 2 is an explanatory view showing a state in which the decorative flooring material A shown in FIG. 1 is actually coupled. In FIG. 2, a state in which the oblique line pattern 51 and the oblique line pattern 52 cross and make point contact is schematically shown.

  Next, a method for producing a sound-damping decorative flooring according to the second invention of the present application will be described. FIG. 3 is an explanatory view showing a method for producing a sound-damping decorative flooring material by roughening the hanging surface of the decorative material 4 shown in FIG. As shown in FIG. 3, the laser light L from the non-illustrated laser generator is obliquely lowered on the male side hanging surface 41 and the female side hanging surface 42 of the decorative floor material A moved by the belt conveyor. And the fine pattern is formed so that the oblique line pattern 51 and the oblique line pattern 52 become slightly convex portions to form a rough surface.

  Since the output adjustment of the laser beam L emitted from the laser output units installed on both sides of the belt conveyor is easy and the pattern change is also easy, the upper surface portion of the decorative flooring A is not damaged, The male side hanging surface 41 and the female side hanging surface 42 of the decorative flooring A are roughened. As described above, by implementing the method for manufacturing a sound-damping decorative flooring according to the second aspect of the present invention, the left and right hanging surfaces of the decorative material 4 of the decorative flooring A moving on the belt conveyor are moved at high speed. It can be finely processed with the light L to form a rough surface.

  Although the above demonstrated the case where the laser beam L was irradiated from diagonally downward, the cosmetic floor material A was turned over on a belt conveyor so that the laser beam L might not be irradiated to the upper surface part of the decorative floor material A, and a male side drooping The laser beam L may be applied to the adherend surface 41 and the female side drooping adherend surface 42. Thus, the present invention can be modified in various ways, and belongs to the technical scope of the present invention without departing from the scope of the claims.

It is an exploded explanatory view showing the sound coupling structure of the decorative flooring according to the first invention. It is explanatory drawing which shows the state which actually combined the decorative flooring shown in FIG. It is explanatory drawing which shows the method of manufacturing the damping floor material concerning 2nd invention.

Explanation of symbols

A Cosmetic floor material L Laser beam 1 Floor material 2 Female fruit 3 Male fruit 4 Cosmetic material 41 Male side hanging surface 42 Female side hanging surface 51 Diagonal pattern 52 Diagonal pattern

Claims (6)

  It is a sound-damping structure for a decorative floor material in which a decorative material is attached to the upper surface and side end surfaces of a floor material in which a male and female real part is formed on the left and right end surfaces, and the end of the decorative material is the upper end surface of the male and female And a female floor upper end face, and the surface of the opposite hanging face is made rough by a laser beam.   The sound-damping structure for a decorative flooring according to claim 1, wherein only one side surface of the opposing hanging surface is a rough surface.   The sound-damping structure for a decorative flooring according to claim 1, wherein the rough surface is formed by patterning the surface of the hanging surface with a laser beam to form a convex portion.   The sound-damping structure for a decorative flooring according to claim 1, wherein the decorative material is a decorative sheet.   The sound-damping structure for a decorative flooring according to claim 1, wherein the decorative material is a paint.   Laser light is applied to the drooping surface that is droopingly attached to the upper end surface of the male floor and the upper end surface of the female body of the decorative flooring material, which is made by depositing a cosmetic material on the upper surface and the side end surfaces of the floor material to be combined. Is applied obliquely from below, and the method for producing a sound-damping decorative flooring is characterized in that the drooping surface is rough.

Images