KR100674210B1 - A board for floor - Google Patents

Abstract

The present invention relates to an improved floorboard material, and adopts a foamed hot melt adhesive having resilience while adopting a side receiving portion having a circular arc and an inclined extension groove, and an end inserting portion and an end receiving portion structure capable of clicking. It has been pointed out that the problem of the occurrence of shortage between floorboards due to floor irregularities and structural deformation or breakage due to the inclination of the widthwise direction can be prevented, and the noise transfer can be minimized. do.

Floor board material, horizontal construction, inclined construction, insertion part, accommodation part

Description

Improved floorboard for floor finishing {A board for floor}

1 is a cross-sectional view of the floorboard width direction according to the present invention,

Figure 2 is an exemplary view showing a construction method of the floorboard according to the embodiment of FIG.

3 is a longitudinal cross-sectional view of the floor board according to the invention,

Figure 4 is an exemplary view showing a construction method of the floorboard according to the embodiment of FIG.

* Explanation of symbols for main parts of drawings *

7: side protrusion, 9: side downward protrusion, 11: side upward groove, 15: side insertion part

21: horizontal horizontal groove, 23: side downward groove, 25: side upward projection, 26: initial tilt angle

27: slope holding angle, 28: arc tangent right angle virtual line, 30: side receiving part

50: hot melt adhesive, 90: end insertion portion, 110: horizontal top portion, 111: vertical cross section

119: end downward projection, 120: predetermined insertion angle, 121: predetermined locking angle, 123: end downward groove

125: end upward protrusion, 130: end receiving portion, 150: vertical inner surface portion, 160: predetermined induction angle

The present invention relates to an improved floorboard material for floor finishing, and more specifically, flexible widthwise binding construction of adjacent floorboards is possible, and sound insulation reinforced ondol floor construction with improved construction workability by a horizontal horizontal click coupling method is provided. It relates to the improved floorboard material.

Floorboard materials that can be assembled by forming iron-shaped protrusions and groove-shaped grooves in the side (edge, edge) in advance are commonly used. It was so easy that it could be installed by a person skilled in the art. These floorboard materials are generally composed of surface layers such as lacquers or laminates. According to Korean Patent Registration No. 394968 (floor finishing flooring material comprising ondol) disclosed by the present inventors, in the floor finishing flooring material manufactured by using a unit disc, the side insertion portion at one end in the longitudinal direction And a side accommodating part is formed at one end of the other side; An end receiving portion is formed at one end in the width direction and the other end; Synthetic rubber-based hot melt adhesive is applied to the back side, and is formed by attaching a release paper on the adhesive; When the construction is coupled to the side receiving portion formed in the adjacent floorboard material pre-installed at the same time, the end projection provided at one end is coupled to the end recess groove provided in the adjacent finishing plate material pre-constructed Disclosed is a floor finishing floorboard comprising an ondol for which a hot melt adhesive adhered to a back surface is simultaneously bonded to a bottom surface. The present invention is associated with the above-mentioned patent registration No. 394968. In addition, according to Korean Patent Laid-Open Publication No. 2001-101827 (floor material consisting of board-like flooring components connected in a vertical direction), it is mainly a flooring material consisting of floorboards having a regular quadrilateral, a quadrilateral, or a versatile shape, The floorboard material is composed of an edge, a horizontal bottom surface and a horizontal top decoration surface, the floorboard is composed of a lower connecting lip (lip) on two adjacent edges, characterized in that the two remaining edges are composed of an upper connecting lip Doing. On the other hand, the lower connecting lip consists of a mainly vertical lower lip face disposed parallel to the nearest edge, and the lower lip face is configured to interact with the mainly vertical upper lip face disposed on the upper connecting lip and thus two connecting adjacencies. The floorboards are locked together in the horizontal direction. In addition, since the connecting lip mainly consists of a horizontal locking surface, it discloses a flooring composed of one or several heels that are snap-connected with a recess that restricts vertical movement between two connecting adjacent floor plates. Doing.

However, the cited inventions that disclose the widthwise click structure disclose protrusions and grooves in the width direction of the base flooring material and the adjacent flooring material in the width direction, that is, physical friction due to the square shape can not be avoided. Or groove deformation may occur, as well as the workability of the assembly construction is significantly lower, the hook binding method applied during the longitudinal binding construction is a step difference between the floorboards due to the floor unevenness when the uneven floor is installed There was a problem such as occurring. In addition, it was pointed out that when the floorboard material, the hot melt adhesive does not absorb vibration and noise sufficiently, and the sound insulation is poor.

Accordingly, the present inventors have attempted various side and end structure modifications to enable a smooth mounting of the base and adjacent floors when combined construction, and achieved the present invention.

The present invention has been made in order to solve the problems of the conventional construction as described above, the object of the present invention is a veneer, HPM on a plywood, solid wood, high density fiber board (Particle board) as a base plate, HPM Alternatively, a foamed synthetic rubber-based or expandable polypropylene-based hot melt adhesive manufactured by using an original plate attached with LPM and improved thermally suitable for ondol in consideration of thermal properties is attached to the back surface of the floorboard material and maintains adhesive performance thereon. Release paper for is attached, and the arcuate downward indentation is formed inward on one side of the longitudinal direction, and the side receiving portion having a downward groove inclined upward at one point is formed, the end insertion portion capable of clicking fastening on both ends of the width direction and Consists of end receptacle, can be installed between floorboard and floorboard without the use of additional adhesive Stabilization of dimensional change between floor and floorboards improves dimensional stability, which is a fundamental disadvantage of wood, and provides ease of construction, partial repair and reconstruction with concrete floors, and noise reduction according to material features with sound insulation and sound absorption. It is to provide a floor finishing floorboard including an advantageous ondol, and in particular, it is possible to be inclined click coupling without the widthwise structural deformation between the floorboard and the floorboard, longitudinal horizontal click coupling, sound insulation reinforced floor finishing Disclosed is an improved floorboard material.

The present invention for achieving the above object is made of plywood, solid wood, high-density fibreboard or cut plate, the top and bottom of the base plate cold or hot pressing the veneer, high pressure melamine laminated plate (HPM) or low pressure melamine laminated plate (LPM) In the floor finishing floorboard material manufactured by using a unit disk that is formed by cutting the disc manufactured in a unitary structure with a predetermined length and width through processing, the side insert portion at one side end in the longitudinal direction and inward to the other end An arc-shaped downward indentation is formed and has a side accommodating part having an inclined downward groove at one point, and an end accommodating part having an end insertion part having a downward protrusion at one end in the width direction and a downward groove locked with the downward protrusion at the other end is formed. ; A foamable synthetic rubber hot melt adhesive is applied to the back side, and is formed by attaching a release paper on the adhesive; At the time of construction, the side insert portion is inclined to the side receiving portion formed in the adjacent floorboard material pre-constructed, and at the same time, the end insert portion provided at one end is horizontally click-coupled to the end receiving portion, and a hot melt adhesive attached to the back surface At the same time to provide a floor finishing floorboard comprising an ondol bonded to the bottom surface.

In the present invention, the term "length direction" refers to a rectangular floorboard material, and is defined as a long axis direction, and "width direction" refers to a short axis direction. In addition, "two sides" or "both ends" means both sides formed in the longitudinal direction of the floorboard material, and "both ends" or "both ends" refer to both sides configured in the uniaxial direction. On the other hand, when applied to a square floorboard, the 'length direction' or 'width direction' referred to in the present invention is defined as one side direction selected from both sides forming a right angle to each other.

In the floorboard material of the present invention formed in the above structure, the side insertion portion and the side receiving portion formed on both sides of the hot melt adhesive attached to the back while simultaneously fixing the floorboard material and floorboard material to be continuously installed in the width direction flexibly Is adhered to the floor surface to facilitate the close installation between the floorboard material, and the end insertion portion and the end receiving portion formed on both end surfaces of the floorboard material serves to click-fix the floorboard material and the floorboard material in the longitudinal direction. do. In addition, the foamed hot melt adhesive mainly composed of synthetic rubber is a solvent-free adhesive that is harmless to the human body, and its role is to adhere and fix concrete floors and plate-like floorboards having a somewhat rough surface, and the floorboard made of wood is a residential environment. It can adapt to any deformation that may occur in wood such as shrinkage and expansion according to the heating conditions and moisture content change.In addition, the foamed synthetic rubber-based hot melt adhesive layer absorbs the impact transfer of the floor when walking or Imparting improved sound absorption and sound insulation.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a cross-sectional view in the floorboard width direction according to the present invention, Figure 2 is an exemplary view showing a construction method of the floorboard according to the embodiment of FIG. 3 is a longitudinal cross-sectional view of the floorboard according to the present invention, Figure 4 is an exemplary view showing a construction method of the floorboard according to the embodiment of FIG.

<Example 1>

As a preferred embodiment of the side insertion portion and the side receiving portion formed on both sides of the longitudinal direction of the present invention, as shown in Figure 1, the side projections are formed to protrude laterally from the central portion of one side is formed with an arc-shaped curved end portion ( 7), the side downward projections 9 formed on the lower surface of the side projections 7 and downwardly protruding, and the side upward grooves 11 indented continuously and upwardly formed inside the side downward projections 9; The side inserting portion (15) comprising;

The side horizontal groove 21 is formed to be concave to the side from the central portion of the other side side is formed with an arc-shaped base portion at the inner end and inclined continuously downward at the point where the bottom surface of the side horizontal groove 21 ends. Paired with the side insert portion comprises a side downward groove 23 is formed in an arc-shaped downward indentation and a side upward protrusion 25 is formed to extend outwardly of the side downward groove 23 to project upwardly. It is comprised by the side accommodating part 30. The side downward groove 23 is inclined upwardly extending into the side receiving groove 21 at one point of the arc-shaped groove formed indented downward from the side upward projection 25 into the side receiving groove 21, and will be described in detail Forming angle between the arc tangent orthogonal virtual line 28 and the horizontal virtual line is formed inside the receiving groove 21 while maintaining the inclined holding angle 27 at one point which becomes the initial inclination angle 26. The inclination initial angle is 55 to 65 degrees, preferably 60 degrees, and the inclination holding angle is 25 to 35 degrees, preferably 30 degrees. Therefore, when the combined construction with the side projections (9) bound thereto can be avoided by the conventional mutual cross-shaped, smooth binding is possible, the construction workability is improved, in particular, it is possible to prevent the damage of the side projections (9). .

<Example 2>

As an exemplary embodiment of the end inserting portion and the end receiving portion formed on both ends of the width direction of the present invention, as shown in FIG. 3, the end downward protrusion 119 protruding outward from the center of one end surface and protruding downward on the bottom surface thereof. An end receiving portion 90 having a tip inserting portion 90 and a tip lower groove 123 formed in a recess inwardly from the other end surface center portion and having an indentation downwardly formed on the inner bottom surface thereof and having a pair with the end inserting portion 90 ( 130). On the other hand, the back surface of the floorboard includes a foamed synthetic rubber-based hot melt adhesive 50, and a release paper (not shown) attached to the adhesive 50 to prevent curing of the adhesive. The end insertion portion 90 is a horizontal upper surface portion 110 is formed to protrude horizontally outward from one end surface central portion of one floorboard material; A vertical cross section 111 formed vertically at one point on the horizontal top surface 110; It extends from the vertical cross-section 111 and consists of an end downward projection 119 which is inclined downward to form a predetermined insertion angle 120 and inclined upward to form a predetermined locking angle 121. The predetermined insertion angle 120 may be formed about 10 to 20 ° based on the surface parallel to the horizontal upper surface portion, but preferably made of 16 °. The predetermined locking angle 121 may be formed at about 40 to 50 degrees based on a plane parallel to the horizontal upper surface portion, but preferably forms 45 degrees. The end downward protrusion 119 having the predetermined insertion angle and the predetermined locking angle may be locked in the end downward groove 123 formed in the end receiving portion 130 formed inside the central portion of one end surface adjacent to the other floorboard material. On the other hand, the other end end receiving portion 130 which is formed in the recess inward from the central portion is the horizontal inner surface portion (149); A vertical inner surface part 150 vertically formed at one point of the horizontal inner surface part 149; It extends outward from the vertical inner surface portion 150, and has an end lower groove 123 is formed indented downward on the lower surface of the receiving portion to be bound to the end lower projection 119 formed in the other floorboard material, the end lower groove 123 It is configured to include an end upward protrusion (125) extending outward from the protruding upward. One end of the upper protrusion 125 is formed at the same angle as the predetermined locking angle 121, the other side is formed to be a predetermined induction angle (160). The predetermined induction angle 160 is preferably made of 30 ° based on the surface parallel to the horizontal inner surface portion. The predetermined induction angle 160 can smoothly lock by mitigating physical impact and friction with the end upward protrusion 125 when the adjacent floorboard end insert 90 is guided in the receiving portion.

Longitudinal construction of the floorboard according to the present embodiment, as shown in Figure 4, it is possible to horizontally bind construction rather than inclined construction. When the vertical cross section 111 of the floorboard end insert portion 90 is approached horizontally toward the end receiving portion 130 provided in the adjacent floorboard material, the bottom of the vertical cross section 111 is the upper end protrusion. (125) Temporarily collides with the outside, but due to the gentle inclination and the elasticity of the tip upward projection 125 derived from the predetermined induction angle 160 formed on one side of the tip upward protrusion, the impact is alleviated and the tip insertion portion 90 ) May be gently inserted into the end receiving portion 130. As a result, the end inserting portion 90 horizontal upper surface portion 110 and the end receiving portion 30 horizontal inner surface portion 149; The end insertion portion vertical section 111 and the end receiving portion vertical inner surface portion 150 are interviewed, and the end insertion portion end downward protrusion 119 is seated in the end receiving portion end downward groove 123, and the end upward protrusion The end of the insertion portion 125 can hold the end portion and the binding.

In addition, as the end inserting portion 90 is inserted into the end receiving portion 130 formed in the adjacent floorboard material, which is pre-installed, as shown in FIG. 2, the one edge of the side inserting portion 15 is pre-installed. By facing the other edges of the side receiving portion 30 provided in the adjacent floorboard material, by constructing the tangent to the axis circumferentially, the side projections 7 of the side insertion portion 15 is pre-constructed In the side horizontal groove 21 of the side receiving portion 30 is formed in the finished plate material, the side downward projection 9 is formed in the arcuate and inclined side downward groove 23 formed side of the side receiving portion 30, the side The upper groove 11 is interlocked with the side upward projections 25 of the side accommodating portion 30 are interlocked, while the hot melt adhesive 50 attached to the back surface is adjacent to the side inserting portion 15. Inserted into the side accommodating portion 30 provided in the floorboard material, and bonded to the bottom surface, the construction is completed.

Although the present invention has been described in detail only with respect to the specific and preferred embodiments as described above, it is apparent to those skilled in the art that modifications and changes can be made within the scope of the technical idea of the present invention, and such modifications or changes are the present invention. Will fall within the scope of the claims.

The floorboard according to the present invention adopts a side receiving portion having an arc-shaped groove and the end inserting portion and the end receiving portion structure capable of clicking fastening, and at the same time by applying a foamed hot melt adhesive having resilience, the floor has been pointed out as a conventional problem It is possible to prevent structural deformation or breakage due to the occurrence of short boards caused by floor unevenness during the longitudinal assembly of the plate and the construction of the warp in the width direction, and to minimize the noise transfer between the floors.

Claims (5)

An end insertion portion 90 is formed to protrude outward on one end surface and has an end downward protrusion 119 protruding downward on the bottom surface, and an end downward groove 123 formed to be recessed inwardly from the center of the other end surface and formed indented downward on the bottom surface. A) end receiving portion 130 having a paired with the end inserting portion 90; And a hot melt adhesive 50 attached to the back surface, comprising: a side projection (7) formed at one end and a side downward projection (9) projecting downward on the lower surface so as not to be continuous with the side projection. The side receiving portion 30 having a side insertion portion 15 having a side and an indent downwardly inwardly formed in the arcuate shape into the side receiving groove 21 formed at the other side end and extending inclined upward at one point. And and extends outwardly from the end downward groove 123 is formed to protrude upwards and further comprises an end upward protrusion 125 having a predetermined induction angle of about 30 ° on one side, flooring flooring material . delete delete delete delete

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