JP2009167620A - Dedicated spatula for tongue/groove joint portion and method of constructing floor plate using the spatula - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dedicated spatula for a tongue/groove joint portion and a method of constructing a floor plate using the spatula which can prevent a gap and a lateral warpage from occurring on the joined surface by preventing an adhesive agent from overflowing onto the front surface of a flooring when the tongue/groove joint portions of the floor plates are joined to each other using the adhesive agent. <P>SOLUTION: The floor plate is constructed by a step of applying the adhesive agent onto the upper surface of the ridge of the floor plate on the front row which is installed on a floor substrate, a step of so scraping the surplus adhesive agent that the adhesive agent does not overflow onto the upper end surface of a tongue part or the front surface of the floor plate by the upper end surface scraping side or the surface scraping side while leveling the applied adhesive agent by the adhesive agent leveling side of the dedicated spatula for a tongue/groove joint portion that the applied adhesive agent is constant, and a step of inserting a floor plate on the next row to the upper end surface of the joined tongue/groove joint portion and connecting and joining the floor plate on the next row to the floor plate on the front row while the adhesive agent is interposed between the floor plate and the upper end surface of the joined tongue/groove joint portion. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a spatula for exclusive use of a real part suitable for use when adhering real parts of floorboards such as a wooden decorative floorboard used in a building such as a house, and an installation method of a floorboard using the same. .

  Conventionally, for example, as described in paragraph No. 0017 of Patent Document 1, “adhesive is applied to the real part of each unit floor board, preferably the lower side surface 30 part constituting the female fruit 3 (omitted). Similarly, after applying the adhesive to the lower surface of the female fruit, the unit floor boards in the row are laid so that the female fruit and the male fruit are joined to the floor board already installed. By repeatedly ending the laying construction of a predetermined laying area, "a method is known in which the actual part is bonded and constructed.

  However, in the method described in Patent Document 1, when a large amount of adhesive is applied to the lower side surface 30 (lower ridge surface) constituting the female fruit 3, the male fruit of the floor board in the next row is fitted. As a result, the adhesive is pushed out to the joint surface between the floorboards by the male ridges. As a result, excess adhesive overflows into the joint surface of the floorboard, and much work is required to wipe off the overflowed adhesive. Had the problem of taking.

  In order to prevent the adhesive from overflowing to the joint surface, it is also conceivable to reduce the amount of adhesive applied to the lower side surface 30 (lower ridge surface) constituting the female fruit 3. However, in this case, the adhesive may not reach the upper joint end surface of the joint between the floorboards, especially the floorboard substrate is plywood or MDF or its composite board (thin MDF stuck to the plywood surface) ), Etc., and when used as a flooring for heating floors or with a hot carpet on the surface, there is a gap or warp in the joint surface between the flooring materials due to drying shrinkage of the surface. It has a problem that the appearance is deteriorated.

  For this reason, in the method described in Patent Document 1, an adhesive is excessively applied to the lower side surface 30 (the lower ridge surface) constituting the female fruit 3, and the adhesive applied by the application is usually used. Flatten evenly with a spatula, scrape off the excess adhesive, and then fit the solids of the floor boards in the next row, and extrude an appropriate amount of adhesive onto the joint surface between the floor boards, It is conceivable to prevent overflow to the surface of the joint part and to prevent the occurrence of gaps and width warpage on the joint surface by supplying an adhesive to the upper joint end face of the joint part between the floor plates.

However, even in this case, it is difficult to uniformly apply the adhesive to the actual part with a normal spatula, and further, it is time and effort to scrape off the excess adhesive overflowing on the upper joint end face and the joint surface by a separate operation. Is necessary, and there is a problem that construction workability is poor.
Japanese Patent Laid-Open No. 5-331994

  The present invention has been made in view of the above problems, and prevents the adhesive from overflowing to the surfaces of the joints between the floor materials, and prevents the gaps and width warpage from occurring on the joint surfaces of the floor materials. An object is to provide a real spatula that can be used and a method of constructing a floor board using the spatula.

  In order to achieve the above object, the spatula for exclusive use of the male part of the invention according to claim 1 and the spatula for exclusive use of the female part of the invention according to claim 2 comprise a surface scraping edge, an upper end scraping edge, and an adhesive leveling agent. It is characterized by comprising a side.

Moreover, the construction method of the floor board of the invention which concerns on Claim 3 is a process which bulges and apply | coats an adhesive agent on the upper surface of the male | solid part protrusion of the floor board of a front row, and is so claimed that this bulge-applied adhesive may become fixed amount. The upper end face of the male part at the upper edge scraping edge or the surface scraping edge while leveling the adhesive applied to the upper surface of the male part protrusion with the adhesive smoothing edge of the male part dedicated spatula according to Item 1 Or the process of scraping off the excess adhesive so that the adhesive does not overflow on the floor board surface,
Inserting the female real part of the next row floor board into the male real part of the front row floor board, and bonding and bonding the next row floor board to the front row floor board in a state where an adhesive is present on the upper end surface of the joint real part; It is characterized by having.

  Further, in the construction method of the floor board of the invention according to claim 4, the step of bulging and applying the adhesive to the upper surface of the female real part lower ridge of the front row of the floor board, and the bulge-applied adhesive is a certain amount 3. The female real part at the upper edge scraping edge or the surface scraping edge while leveling the adhesive applied to the upper surface of the female real part lower ridge with the adhesive leveling edge of the female real part dedicated spatula according to claim 2 The step of scraping off the excess adhesive so that the adhesive does not overflow to the upper end surface or the floor board surface, and the male part of the floor board in the next row is inserted into the female real part of the front row floor board, And a step of joining and bonding the next row of floor plates to the front row of floor plates in a state in which an adhesive is present on the upper end surface.

  As described above, the present invention uniformly applies a predetermined amount of adhesive to the male solid ridges or female real part lower ridges of the floor boards in the front row, and at the same time scrapes off the excess adhesive extruded to the surface or upper end surface. Since the next row of floorboards can be adhesively bonded to the front row of floorboards with the adhesive interposed on the upper end surface of the actual joint, the workability is improved and the adhesive overflows to the joint surface of the flooring materials. It is possible to prevent the occurrence of gaps and warping on the bonding surfaces of the floor materials.

  1 (a) and 1 (b) show a male real part spatula A showing an embodiment of the present invention, and FIGS. 2 (a) and 2 (b) show a female real part dedicated spatula showing another embodiment of the present invention. B is shown.

  From FIG. 1, the male part-dedicated spatula A is a thin plate made of synthetic resin, hard rubber, metal, etc., and below it is a horizontal surface scraping edge 1A and one end of this surface scraping edge 1A. 2A, an upper end surface scraping side 2A that hangs down from the upper end surface, and an adhesive leveling side 3A that extends perpendicularly from the upper end surface scraping side 2A to one end side, and the surface scraping side 1A is a blade that becomes thinner downward It is formed in a shape so that appropriate flexibility can be expressed.

  Then, as shown in FIG. 4, the surface scraping edge 1A and the upper edge scraping edge 2A of the male spatula A are brought into contact with the surface 12 of the floor board 10A and the upper end face 13 of the male part 11, respectively. The upper end face scraping edge so that a certain gap e is opened between the surface of the ridge 14 of the male part 11 of the floor plate 10A and the lower end of the adhesive leveling edge 3A of the male spatula A. A length of 2A is set. Thus, the shape of the male part dedicated spatula A is set so that the gap e as described above can be formed according to the shape of the male part 11 of the floor board 10A to be used.

  In FIG. 1, 4A is a hanging guide side that hangs down from one end side of the adhesive leveling side 3A so that excess adhesive is pushed out toward the tip end surface of the ridge 14 of the male part 11. It is suitable for guiding.

  On the other hand, as shown in FIG. 2, the female-only spatula B is a thin plate made of synthetic resin, hard rubber, metal, or the like, similar to the male-part dedicated spatula A. Below that, a horizontal surface scraping edge 1B, an upper end surface scraping edge 2B hanging from one end of the surface scraping edge 1B, and a female fruit extending perpendicularly from the upper end surface scraping edge 2B to the other end side. An adhesive leveling side 3B on the lower side of the guide projection 5 is provided, and the surface scraping side 1B is formed in a blade shape that becomes thinner toward the bottom, like the male part dedicated spatula A, and has an appropriate flexibility. It is formed to come out.

  Then, as shown in FIG. 8, the surface scraping side 1B and the upper end surface scraping side 2B of the spatula B dedicated to the female part are brought into contact with the surface 16 of the floor board 10B and the upper end surface 17 of the female part 15, respectively. When this is done, the female real guide is such that a certain gap f is opened between the upper surface of the lower protrusion 18 of the female real part 15 of the floor board 10B and the lower end of the adhesive equalizing side 3B of the spatula B dedicated to the female real part. The thickness dimension of the protrusion 5 is set. Thus, the shape of the female real part dedicated spatula B is set so that the gap f as described above is formed according to the shape of the female real part 15 of the floor board 10B to be used.

  In FIG. 2, 4B is a drooping guide side that hangs down from one end of the adhesive leveling side 3B, and excess adhesive is pushed out toward the front end surface of the lower protrusion 18 of the female real part 15. It is suitable for guiding.

  Next, Embodiment A of the floorboard construction method using the male part dedicated spatula A of the present invention will be described with reference to FIGS. FIG. 3 shows a step of applying the adhesive 20 to the upper surface of the ridge 14 of the male part 11 of the front row floor board 10A installed on the floor base 19, and the front row floor board 10A is applied to the floor base 19 by the adhesive or It shows a state where the adhesive and nail are used in combination, and the male part 11 is formed on one side end face of the floor board 10A in the front row.

  In the embodiment A, first, as shown in FIG. 3, the adhesive 20 contained in the cartridge or the tube is continuously or intermittently extruded onto the surface of the protrusion 14 of the male part 11 of the floor plate 10A in the front row. Apply to the top.

  As the adhesive 20 used here, various types such as epoxy resin, urethane resin, acrylic resin, and vinyl acetate resin can be used. In particular, a water-based adhesive is preferable because the wiping operation is easy. Moreover, the liquid thing with a low viscosity is unpreferable, and the thing with a moderate viscosity which can be swelled and apply | coated is preferable on an application | coating operation | work.

  Next, FIG. 4 and FIG. 5 apply | coated the upper surface of the male part 11 protrusion 14 with the adhesive equality edge | side 1A of the male part exclusive use spatula A so that the adhesive agent 20 which carried out the enlarging application might become fixed amount. Section of the process of scraping off the excess adhesive so that the adhesive does not overflow the male end upper end face 13 or the floor board 10A surface 12 at the upper edge scraping edge 2A or the surface scraping edge 3A while leveling the adhesive. Figure and top view are shown respectively.

  4 and 5, the relationship between the shape of the male part 11 of the floor board 10A and the shape of the male part dedicated spatula A is as described above, and is omitted. First, the male part-specific spatula A is applied to the end of the male part 11 of the floor board 10A so as to be inclined, the surface scraping edge 1A of the male part-specific spatula A is brought into contact with the surface 12 of the floor board 10A, and the upper part The end surface scraping edge 2A is brought into contact with the male part upper end surface 13 of the floor plate 10A, and the male part dedicated spatula A is slid in the direction of the arrow in FIG.

  As a result, the adhesive 20 that is swelled and applied to the upper surface of the male part 11 ridge 14 of the floor board 10A has an approximately equal dimension as the gap e at the adhesive leveling edge 1A of the male part dedicated spatula A. Can be leveled. At this time, surplus adhesive is scraped off by the upper end face scraping side 2A or the surface scraping side 1A of the male part dedicated spatula A, and at the tip end surface of the ridge 14 of the male part 11 by the hanging guide side 4A. You will be guided to push it out. In this manner, an appropriate amount of the adhesive 20 layer can be provided on the upper surface of the male part 11 ridge 14.

  Next, in FIG. 6, the female real part 31 of the floor plate 30 </ b> A in the next row is inserted into the male real part 11 of the floor plate 10 </ b> A in the front row, and an adhesive is interposed between the upper end surfaces 13 and 33 of the joint real portion. The process of joining and bonding the floor board 30A of the next row to the floor board 10A of the front row in the state is shown.

  As a result, when the female real part 31 of the floor plate 30A in the next row is inserted into the male part 11 of the floor plate 10A in the front row, between the upper end surfaces 13 and 33 of the joint real part of the floor plate 10A in the front row and the floor plate 30A in the next row. In addition, a part of the layer of the adhesive 20 on the upper surface of the male part 11 ridge 14 is infiltrated, and the floor plate 30A of the next row can be bonded and bonded to the floor plate 10A of the front row while being interposed.

  The surface of the floorboard 10A thus constructed does not overflow a large amount of excess adhesive, and the floorboard substrate is made of a stretchable wood material such as a composite board of plywood and wood fiberboard. There are no problems such as gaps and width warp even when applied to applications such as heated floors and hot carpet base floors that are easily dried and shrunk.

  Next, Embodiment B of the floorboard construction method using the female real part dedicated spatula B of the present invention will be described with reference to FIGS. FIG. 7 shows a process of enlarging and applying the adhesive 20 to the upper surface of the lower ridge 18 of the female part 15 of the front row floor board 10 </ b> B installed on the floor foundation 19. The front row floor board 10 </ b> B is bonded to the floor foundation 19. It shows a state in which the female part 15 is formed on one side end face of the floor board 10B in the front row.

  In the embodiment B, first, as shown in FIG. 7, the adhesive 20 contained in the cartridge or the tube is continuously or intermittently provided on the upper surface of the lower protrusion 18 of the female real part 15 of the floor plate 10B in the front row. Extrude and apply exaggeratedly. As the adhesive 20 used here, the adhesive used in the embodiment A can be used.

  Next, FIG. 8 is applied to the upper surface of the lower protrusion 18 of the female real part 15 with the adhesive equalizing side 3B of the female real part dedicated spatula B so that the above-described raised adhesive 20 becomes a certain amount. A step of scraping off the excess adhesive while leveling the adhesive 20 so that the adhesive does not overflow the upper end face 17 of the female real part 17 or the surface 16 of the floor board 10B at the upper edge scraping edge 2B or the surface scraping edge 1B. A cross-sectional view is shown. (The top view is omitted because the actual positions of the male and female are different from those in FIG. 5 of Embodiment A.)

  From FIG. 8, since the relationship between the shape of the female real part 15 of the floor board 10B and the shape of the male real part exclusive spatula B is as above-mentioned, it abbreviate | omits. First, the female body part-specific spatula B is applied to the end of the female body part 15 of the floor board 10B so as to be inclined, and the surface scraping edge 1B of the female body part-dedicated spatula B is brought into contact with the surface 16 of the floor board 10B. The edge scraping edge 2B is brought into contact with the female part upper end surface 17 of the floor plate 10B, and the female part dedicated spatula B is slid.

  As a result, the adhesive 20 applied and raised on the upper surface of the lower protrusion 18 of the female real part 15 of the floor board 10B has the same thickness as the gap f at the adhesive equalizing side 3B of the female real part-dedicated spatula B. Can be leveled. At this time, surplus adhesive is scraped off by the upper end surface scraping side 2B or the surface scraping side 1B of the female real part-dedicated spatula B, and at the tip of the lower protrusion 18 of the female real part 15 by the drooping guide side 4B. Guided to push towards the face. In this manner, an appropriate amount of adhesive layer can be provided on the upper surface of the lower protrusion 18 of the female real part 15.

  Next, in FIG. 9, the male part 34 of the floor plate 30B in the next row is inserted into the female part 15 of the floor plate 10B in the front row, and an adhesive is interposed between the upper end surfaces 17 and 35 of the joint real part. The process of joining and bonding the floor board 30B of the next row to the floor board 10B of the front row in the state is shown.

  As a result, when the male part 34 of the floor plate 30B in the next row is inserted into the female part 15 of the floor plate 10B in the front row, the upper end surfaces 17 and 35 of the joint real part of the floor plate 10B in the front row and the floor plate 30B in the next row are inserted. In addition, a part of the leveled adhesive on the upper surface of the lower ridge 18 of the female real part 15 penetrates, and the next-floor floor board 30B can be bonded and bonded to the front-floor floor board 10B in the interposed state.

  The surface of the floorboard 10B thus constructed is not overflowed with a large amount of excess adhesive, and the floorboard substrate is made of a stretchable wood material such as a composite board of plywood and wood fiberboard. There are no problems such as gaps and width warp even when applied to applications such as heated floors and hot carpet base floors that are easily dried and shrunk.

  The technique of the present invention is particularly suitable for application to the construction of a wood decorative floor board using a wood composite board with a wood fiber board attached to the surface of a plywood, a floor board for a heating floor, and a wood floor board used under a hot carpet. Technology and high industrial applicability.

Explanatory drawing of the spatula A for exclusive use of the male real part which is an Example of this invention. Explanatory drawing of the spatula B for exclusive use of the female real part which is an Example of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment A of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment A of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment A of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment A of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment B of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment B of this invention. Explanatory drawing of the construction method of the floor board which is Embodiment B of this invention.

Explanation of symbols

A Male spatula dedicated spatula B Female real part spatula 1A, 1B Surface scraping side 2A, 2B Upper end scraping side 3A, 3B Adhesive leveling side 4A, 4B Hanging guide side 5 Female real guide protrusion 11 Male Part 12, 16 Surface 13 Male real part upper end face 14 Male real part ridge 15 Female real part 17 Female real part upper end face 18 Lower side ridge 19 Floor base 20 Adhesive 10A, 10B Floor plate 30A, 30B in the front row Floor board

Claims (4)

  It comprises a horizontal surface scraping edge, an upper edge scraping edge depending from one end of the surface scraping edge, and an adhesive leveling edge extending perpendicularly from the lower end of the upper edge scraping edge to one end side. A special spatula with a male feature.   The horizontal surface scraping side, the upper end surface scraping side depending from one end of the surface scraping side, and the adhesive level of the female guide guide lower side extending perpendicularly from the lower end of the upper end surface scraping side to the other end side. A female spatula-specific spatula characterized by comprising a shin side.   2. The male part dedicated to the male part according to claim 1, wherein the step of applying an adhesive to the upper surface of the male part protrusions of the front row of floor boards installed on the floor base and the male part of the first part according to claim 1 so that the amount of the adhesive applied to the upper part is constant. While the adhesive applied to the upper surface of the ridge of the male part is leveled with the spatula's adhesive, the adhesive spills over the upper end surface of the male part or the surface of the floor board at the scraped side of the upper edge or the surface. Scrape excess adhesive so that there is no adhesive, and insert the female real part of the floor board in the next row into the male real part of the floor board in the front row, with the adhesive interposed in the upper end surface of the joint real part. The floor board construction method using the spatula for exclusive use of the male part according to claim 1, further comprising the step of joining and bonding the floor board of the next row to the floor board of the male body.   The female real part according to claim 2, wherein a step of applying an adhesive to the upper surface of the lower protrusion of the female real part of the front row of floor boards installed on the floor base, and the female real part according to claim 2 so that the amount of the applied adhesive is a constant amount. Glue the adhesive applied to the upper surface of the lower ridge of the female real part with the adhesive flattened edge of the special spatula, and the adhesive is applied to the upper end face of the female real part or the floor board surface at the scraped side of the upper edge or the surface. The process of scraping off the excess adhesive so as not to overflow, and the male real part of the floor board in the next row is inserted into the female real part of the floor board in the previous row, and the adhesive is interposed on the upper end surface of the joint real part A method for constructing a floor board using a spatula for exclusive use of a female real part according to claim 2, further comprising the step of joining and bonding the floor board of the next row to the floor board of the front row.

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