JP5225165B2 - Composite decorative panel and method for attaching decorative edge member in composite decorative panel - Google Patents

Description

  The present invention relates to a composite decorative panel, in particular, a composite decorative panel provided with a honeycomb structure material such as a paper honeycomb as a core material, and a method for attaching a decorative edge member in the composite decorative panel.

  Conventionally, as a composite decorative panel used for a door or a storage door in a house, for example, a paper honeycomb is used as a core, a thin decorative plate is bonded to the front side, and MDF (medium fiber board) is used on the back side. 2. Description of the Related Art A panel structure having a sandwich structure in which wood materials are bonded together is known (see Patent Document 1). According to this, by using the honeycomb structure material as the core material, it is possible to reduce the weight and prevent the warpage.

  In addition, as a paper honeycomb, one in which a plurality of single-sided cardboards are bonded and integrated is known. More specifically, as shown in FIG. 5A, the single-sided cardboard 50 includes a corrugated portion 51 formed in a corrugated shape along the longitudinal direction, and a flat plate-like flat portion 52 bonded to the top of the corrugated portion 51. The width L of the flat part 52 and the width of the waved part 51 are equal, and the length M of the flat part 52 and the length of the waved part 51 are equal. Then, as shown in FIG. 5B, in a state where the single-sided cardboard 50 is erected so that the width direction of the single-sided cardboard 50 is the vertical direction, a plurality of single-sided cardboards 50 are arranged in a horizontal direction orthogonal to the flat portion 52. The paper honeycomb 53 is configured by bonding.

  On the other hand, the thing which stuck the makeup | decoration edge member to the mouth of woody materials, such as a particle board via an adhesive material is also known (refer patent document 2). According to this, the design can be improved not only on the front surface side and the back surface side of the wooden material but also on the mouth end surface, and for example, it can be used as a table top plate or a shelf plate.

  However, in the panel body using the paper honeycomb 53 as the core as described above, even if the decorative edge member is bonded to the end face, sufficient adhesion strength cannot be obtained. When a tensile force is applied, there is a concern that the decorative edge member peels off. More specifically, since the corrugated portion 51 and the flat portion 52 of the single-sided cardboard 50 constituting the paper honeycomb 53 are both formed from a strip-shaped paper material, the tailored decorative edge member and the paper honeycomb 53 are firmly formed. Even if they are bonded, if a large tensile force acts on the decorative edge member, the strip-shaped paper material is pulled in the longitudinal direction, and the paper material may be broken. That is, there is a possibility that the paper honeycomb 53 is partially peeled off while being fixed to the inner surface of the decorative edge member. Furthermore, the surface material and the back surface material bonded to the front surface side and the back surface side of the paper honeycomb 53 are thin plate-like, and since the area of the end face thereof is relatively small, it is possible to ensure a sufficient adhesion area. As a result, it has been difficult to increase the adhesive strength between the front and back materials and the decorative edge member. In addition, if the ratio of the surface material and the back material to the core material is relatively large (that is, if the thickness of the surface material and the back material is increased), a sufficient bonding area can be secured, and the decorative edge member However, according to this, the weight of the entire panel body is greatly increased, and the effect of using the honeycomb structure material is halved.

  Therefore, in view of the above situation, the present invention can provide a composite makeup capable of obtaining a sufficient adhesive strength even when a thin plate-like surface material and back material are used, and preventing peeling of the decorative edge member. It is an object of the present invention to provide a method for attaching a decorative edge member in a panel and a composite decorative panel.

The composite decorative panel according to the present invention includes a “honeycomb structure material,
Using the honeycomb structure material as a core material, a surface material bonded to the surface side of the honeycomb structure material;
A back surface material bonded to the back surface side of the honeycomb structure material;
A decorative rim member attached to a front end of a sandwich-structured panel body composed of the surface material, the honeycomb structure material, and the back surface material;
The decorative edge member is a foamable adhesive sprayed in a lump shape on at least a surface side region adjacent to the surface material and a back surface side region adjacent to the back material of the end face of the honeycomb structure material, It is affixed to the end face of the panel body through an adhesive applied to the inner surface of the decorative edge member ”.

  Here, the configuration and material of the “honeycomb structure material” are not particularly limited, but a paper honeycomb in which a plurality of single-sided cardboards are arranged side by side can be exemplified. Specifically, “a corrugated portion made of a strip-shaped paper material having a predetermined width and formed in a corrugated shape along the longitudinal direction, and bonded to the top of the corrugated portion, the width being the same as the predetermined width and the corrugated length. A single-sided cardboard made up of a flat plate-like flat part that approximately matches the length of the part is formed as one layer, and a plurality of single-sided cardboards are arranged side by side in a direction perpendicular to the flat part. is there.

  Moreover, although the material of "surface material" and "back surface material" is not specifically limited, a melamine decorative board or MDF (medium quality fiber board) can be illustrated. The “surface material” and the “back surface material” may each be composed of a single member, but may be composed of a plurality of thin plate members bonded together. For example, the surface material may be composed of a melamine decorative board and paper tube base paper, and may be bonded so that the melamine decorative board is on the surface side (outside). Further, the material of the “decorative edge member” is not particularly limited, and may be a resin member such as an ABS resin or wood.

  The “foamable adhesive” is an adhesive designed to foam in a lump after application by adding a foaming agent, a catalyst, a foam stabilizer and the like to the resin, and fills even a relatively wide gap. Is possible. Although the kind of adhesive agent is not specifically limited, The thing of the same component as the "adhesive agent" apply | coated to the inner surface of a decorative edge member is preferable.

  According to the composite decorative panel of the present invention, the panel body has a sandwich structure, the honeycomb structure material is used as a core material, the surface material is bonded to the front surface side, and the back material is bonded to the back surface side. And the makeup | decoration edge member is affixed on the wooden mouth surface (side surface) of the panel body through the adhesive agent. In particular, in the present invention, a foamable adhesive is sprayed on the front side region adjacent to the surface material and the back side region adjacent to the back surface material of the end face of the honeycomb structure material, and further, the inner surface of the decorative edge member In the state where the adhesive is applied, the decorative edge member is adhered to the end face of the panel body. Here, since a large number of voids are generally formed in the honeycomb structure material, the foamable adhesive sprayed on the end face of the honeycomb structure enters and fills the voids and becomes a lump. That is, it is in a state of rising from the end of the end. And since the surface side region is the lip portion of the honeycomb structure material facing the surface material, the filled and lump-shaped foamable adhesive is composed of the honeycomb structure material, the inner surface of the surface material, and the inner surface of the decorative edge member. Will come in contact with. Similarly, since the back side region is the end portion of the honeycomb structure material facing the back surface material, the filled foaming adhesive is applied to the honeycomb structure material, the inner surface of the back surface material, and the inner surface of the decorative edge member. Will be in touch.

  Therefore, with respect to the inner surface of the decorative edge member, the front surface of the top material and the rear surface of the back material are directly bonded by the adhesive applied to the inner surface of the decorative material, while the inner surface of the surface material in the vicinity of the front surface, And the inner surface of the back material near the mouth end surface is bonded via a filled lump foaming adhesive. In other words, by providing the massive foamable adhesive, the inner surfaces of the front surface material and the rear surface material and the inner surface of the decorative edge member orthogonal to them are bonded. Therefore, even if the tailored surface material and the back surface material are thin plate-like, it is possible to increase the bonding area between the panel body and the decorative edge member and to prevent the decorative edge member from peeling off.

  Further, in the composite decorative panel according to the present invention, “there is further provided with a filling recess portion that is formed in a groove shape with respect to the front surface region and the back surface region and is filled with the foamable adhesive inside”. Can be configured.

  By the way, when a honeycomb structure material in which a plurality of single-sided cardboards are arranged and integrated is adopted, the foamable adhesive may not smoothly enter the gap even if the foamable adhesive is sprayed on the end of the cardboard. . More specifically, this honeycomb structure has a form in which single-sided corrugated board composed of a wavy part and a flat part is laminated, so when manufacturing a panel body of a predetermined size, it is in parallel with the flat part. In the case of cutting, the size (depth) of the gap in the end face varies depending on the cutting position. In other words, when the corrugated part is cut at a position relatively far from the flat part, the depth of the gap can be increased, but it is cut at a position near the flat part (that is, near the top of the corrugated part). In such a case, the length from the end surface to the flat portion becomes extremely short, and a gap is hardly formed on the end surface. That is, even if the foamable adhesive is sprayed, the flat portion prevents the foamable adhesive from entering, and the foamable adhesive cannot be filled.

  On the other hand, in the present invention, groove-shaped filling depressions are formed in the front surface region adjacent to the front material and the back surface region adjacent to the back material, and this filling depression is filled with a foamable adhesive. It is like that. Therefore, regardless of the cutting position of the honeycomb structure material, it is possible to ensure a space that can be filled with the foamable adhesive, the inner surface of the surface material and the back surface material, and the inner surface of the decorative edge member orthogonal to them, It can be securely bonded via a foaming adhesive.

In addition, the method of attaching the decorative edge member in the composite decorative panel of the present invention is "honeycomb structure,
Using the honeycomb structure material as a core material, a surface material bonded to the surface side of the honeycomb structure material;
A bonding method for an edge member in a composite decorative panel, in which a decorative edge member is attached to a mouth end surface of a panel structure of a sandwich structure composed of a back surface material bonded to the back surface side of the honeycomb structure material. And
Of the kerf surface in the honeycomb structure material, a dent forming step for forming a groove-like dent for each of a surface side region adjacent to the surface material and a back side region adjacent to the back material;
An adhesive filling step of filling the hollow with a foamable adhesive; and
An adhesive application step of applying an adhesive to the inner surface of the decorative edge member;
A pressure-bonding step of pressure-bonding the decorative edge member to the front end of the panel body through the adhesive applied to the inner surface of the decorative edge member and the massive foamable adhesive filled in the recess; It is characterized by having "."

  According to the method for attaching a decorative edge member in the composite decorative panel of the present invention, when the decorative edge member is attached to the mouth of the panel body, a recess forming step, an adhesive filling step, an adhesive application step, and a pressure bonding step are performed. Are performed in order. Note that the adhesive application step can be performed simultaneously with the adhesive filling step or before the adhesive filling step. First, in the hollow portion forming step, a groove-shaped hollow portion is formed on the front surface side region adjacent to the surface material and the back surface side region adjacent to the back surface material in the end face of the honeycomb structure material. The groove-shaped depression may be cut, for example, by relatively moving the rotary blade along the face of the mouth, or may be formed by crushing by applying pressure with a press or the like. In the adhesive filling process, the indentation is filled with a foamable adhesive. Specifically, a foamable adhesive is sprayed from a nozzle toward the dent and foamed to fill the dent. On the other hand, in the adhesive application step, the adhesive is applied to the inner surface of the decorative edge member. Specifically, it is applied by an application roll or the like while supplying an adhesive. And in a crimping | compression-bonding process, the makeup | decoration edge member with which the adhesive agent was apply | coated, and the wooden mouth surface of the panel body by which the hollow foaming adhesive agent was filled into the hollow part are butt-bonded and crimped | bonded. By pasting the decorative edge member through such a process, it becomes possible to manufacture a composite decorative panel in which the adhesive strength of the decorative edge member is significantly increased.

  As described above, according to the present invention, the inner surface of the front surface material or the back surface material is orthogonal to the inner surface of the front surface material or the back surface material by being bonded to the end surface of the honeycomb structure material via the foamable adhesive. It is possible to reliably bond the inner surface of the decorative edge member. Therefore, even if the tailored surface material and the back surface material are thin plate-like, it is possible to increase the adhesive strength between the panel body and the decorative edge member and reliably prevent the decorative edge member from peeling off.

It is a disassembled perspective view which shows the structure of the composite decorative panel of this embodiment. (A) is sectional drawing of the transversal direction in a composite decorative panel, (b) is sectional drawing of the longitudinal direction in a composite decorative panel. It is a conceptual diagram which shows the flow of the manufacturing process of the decorative edge member in a composite decorative panel. It is explanatory drawing which shows typically the sticking method etc. of a makeup | decoration edge member. It is a perspective view which shows the structure of a conventionally well-known paper honeycomb.

  Hereinafter, a composite decorative panel according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. The composite decorative panel 1 of the present embodiment can be used as a table top plate, a shelf board, a TV stand, a storage door, a partition wall or a door of a house, and the like as shown in FIG. A panel member 5 having a sandwich structure is composed of a surface material 3 affixed to the front surface side 2 and a back material 4 affixed to the back surface side. In addition, a decorative edge member 7 is adhered to the whole end surface 5a of the panel body 5 over the entire circumference, so that not only the front and back surfaces of the panel body 5 but also the end surface 5a has improved design. Here, the paper honeycomb 2 corresponds to the honeycomb structure material of the present invention.

  Each member will be described in detail. The basic structure of the paper honeycomb 2 is substantially the same as that of the paper honeycomb 53 described with reference to FIG. 5. The paper honeycomb 2 is bonded to the corrugated portion 10 formed in a corrugated shape along the longitudinal direction and to the top of the corrugated portion 10. And a single-sided cardboard 9 composed of a flat plate portion 11 having a length equal to that of the corrugated portion 10 as one layer. A plurality of single-sided cardboards 9 are juxtaposed in a horizontal direction perpendicular to the flat portion 11 and bonded together to form an integrated plate-like honeycomb structure. Since such a paper honeycomb 2 uses paper as a raw material and has many voids inside, it can be reduced in weight compared to a woody material such as particle board and has a honeycomb structure, so that warp and twist Can be prevented. In addition, since the paper honeycomb 2 is configured by arranging a plurality of single-sided cardboards 9 in the horizontal direction, the first end face 2a parallel to the flat part 11 of the single-sided cardboard 9 and a second end part perpendicular to the flat part 11 are provided. The end face shape is different from that of the surface 2b. That is, in forming the panel body 5 of a predetermined size, in the first end face 2a that appears when the corrugated portion 10 is cut in parallel with the flat portion 11, the cut surface of the corrugated portion 10 is constant through the gap. It becomes the form by which the flat part 11 is arrange | positioned at the back | inner side of the space | gap while being arrange | positioned at intervals. On the other hand, in the second end face 2b that appears when cut perpendicularly to the flat portion 11 (that is, along the stacking direction of the single-sided cardboard 9), the cut surfaces of the flat portion 11 are arranged at regular intervals through a gap. In addition, the wavy portion 10 is disposed in the gap. In addition, the paper honeycomb 2 of this example has, as a characteristic structure, a filling recess 12 for filling the foamable adhesive 13 on the first end surface 2a, which will be described later. .

  The surface material 3 attached to the surface side of the paper honeycomb 2 with an adhesive is composed of a melamine decorative board 16 and a paper tube base paper 17. The melamine decorative board 16 is generally used as a finished surface of furniture, doors, etc., and is hard to be damaged because of its high surface hardness, and is excellent in water resistance and easy to clean. Furthermore, since there are various types such as color and wood grain, it is possible to finish the table top with excellent decorativeness. On the other hand, the paper tube base paper 17 is recycled paper obtained by recycling used paper, and is used for manufacturing a core rod for winding paper, foil, fabric, and the like. Although the thickness is not particularly limited, a 1 mm paper tube base paper 17 is used in this example.

  The back surface material 4 attached to the back surface side of the paper honeycomb 2 via an adhesive is made of MDF (medium fiber board). MDF is made by loosening wood into a fiber and blending an adhesive into a board shape. The MDF obtains a stable strength and is less prone to warping and twisting and is easy to process.

  The decorative edge member 7 is affixed to the entire wood face 5a of the panel body 5 including the paper honeycomb 2, the surface material 3, and the back material 4, and has a strip shape formed of ABS resin. It is also possible to form the synthetic resin other than ABS resin or wood. The decorative edge member 7 is adhered to the wood surface 5a of the panel body 5 via an adhesive. In particular, in the present example, as shown in FIG. 2, among the first end face 2 a and the second end face 2 b (details will be described later) of the paper honeycomb 2, the surface side region 6 a adjacent to the surface material 3 and the back surface material. The foamable adhesive 13 is sprayed on the rear surface side region 6b adjacent to 4. The foamable adhesive 13 is an adhesive designed to foam after application by adding a foaming agent, a catalyst, a foam stabilizer, etc. to the resin, and can be filled even in a relatively wide gap. It is a thing. Although the kind of adhesive agent is not specifically limited, The thing of the same kind as the adhesive agent 14 apply | coated to the inner surface of the decorative edge member 7 is used. Specific examples of the adhesive include ethylene-vinyl acetate resin hot melt adhesive mainly composed of a resin obtained by copolymerizing ethylene vinyl alcohol (EVA) and vinyl acetate, and amorphous polypropylene resin (APP) as a main component. And a polyolefin resin hot melt adhesive.

  By the way, since many voids are formed in the paper honeycomb 2, the foamable adhesive 13 sprayed on the second end face 2b of the paper honeycomb 2 is formed in the voids as shown in FIG. It will be filled in. And since the surface side area | region 6a is the tip part of the paper honeycomb 2 which faces the surface material 3, the filled foaming adhesive 13 is the paper honeycomb, the inner surface of the surface material 3, and the inner surface of the decorative edge member 7. It foams in the space surrounded by and can be bonded to each other. Similarly, since the back surface side region 6b is a lip portion of the paper honeycomb 2 facing the back material 4, the filled foaming adhesive 13 includes the paper honeycomb 2, the inner surface of the back material 4, and the decorative edge. It will foam in the space enclosed by the inner surface of the member 7, and it is possible to adhere them to each other. That is, by filling the gap with the foamable adhesive 13, the inner surfaces of the front surface material 3 and the back surface material 4 and the inner surface of the decorative edge member 7 orthogonal to them are mutually connected via the massive foamable adhesive 13. Even if the front surface material 3 and the back surface material 4 are thin plate-like, it is possible to increase the bonding area between the panel body 5 and the decorative edge member 7 and prevent the decorative edge member 7 from peeling off. ing.

  Furthermore, in this example, the inner surface of the decorative edge member 7 is formed by the adhesive 14 applied to the inner surface side of the decorative edge member 7 so that the front end surfaces 3a and 4a of the front surface material 3 and the rear surface material 4 and the first of the paper honeycomb 2 are formed. It is directly bonded to the two-necked face 2b. That is, by using the foamable adhesive 13 and the adhesive 14 together, the adhesive strength of the decorative edge member 7 is greatly increased.

  By the way, in said 2nd end face 2b, since the corrugated part 10 arrange | positioned between the flat parts 11 has deform | transformed into the waveform toward the back, even if it cut | disconnects in any position, the adjacent flat part 11 A gap is formed between them. That is, when the foamable adhesive 13 is sprayed on the second end face 2b, it can be filled in the gap. On the other hand, in the first end face 2a, the size (depth) of the gap varies depending on the cutting position, and for example, when cutting at a position in the vicinity of the flat portion 11 (that is, near the top of the wavy portion 10). In this case, the length (depth) from the first end face 2a to the flat portion 11 becomes extremely short, and a gap is hardly formed on the first end face 2a. That is, even if the foamable adhesive 13 is sprayed, the flat portion 11 prevents the foamable adhesive 13 from entering, and the foamable adhesive 13 cannot be filled.

  Therefore, in this example, as shown in FIG. 2B, in the first end surface 2a, the groove-shaped filling is performed in the surface side region 6a adjacent to the surface material 3 and the back surface side region 3a adjacent to the surface material 3. A hollow 12 is formed in the horizontal direction, and the foaming adhesive 13 is filled in the hollow 12 for filling. For this reason, regardless of the cutting position of the paper honeycomb 2, a space that can be filled with the foamable adhesive 13 can be secured, and the inner surfaces of the surface material 3 and the back material 4 and the decorative edge member 7 orthogonal to them can be secured. The inner surface can be securely bonded via the foamable adhesive 13. Moreover, since the filling depression 12 is not formed on the first end surface 2a other than the front surface region 6a and the back surface region 3a, the decorative edge is applied by the adhesive 14 applied to the inner surface side of the decorative edge member 7. The inner surface of the member 7 is directly bonded to the first end surface 2a (particularly the corrugated portion 10) of the paper honeycomb 2, and the bonding strength between the decorative edge member 7 and the paper honeycomb 2 is increased.

  Next, a method for manufacturing the composite decorative panel 1, particularly a method for attaching the decorative edge member 7 in the composite decorative panel 1, will be described with reference to FIGS. 3 and 4. As shown in FIG. 3, the manufacturing line 9 has four steps of attaching the decorative edge member 7 to the panel body 5 conveyed by a conveyor (not shown), that is, a recess portion forming step 20 and an adhesive filling. The process 21, the adhesive application process 22, and the pressure bonding process 23, and thereafter, four processes for processing the decorative edge member 7, that is, an end cut process 24, a trimming process 25, a scraper process 26, and a round trimming process 27 are provided. It is performed in order from the right side to the left side of the page.

  In addition, since the panel body 5 has a rectangular shape in plan view, when the decorative edge member 7 is attached over the entire circumference, the decorative edge member 7 needs to be attached to the four end surfaces 2a and 2b, respectively. Therefore, a series of processes in the production line 9 is repeated four times. However, since the filling depression 12 is not formed on the second end face 2b of the paper honeycomb 2, the depression forming step 20 is omitted. Further, the last round trimming step 27 is performed only once after the decorative edge member 7 is attached to all the end surfaces 2a and 2b.

  Each step will be described. In the hollow portion forming step 20, as shown in FIGS. 4A and 4B, the first side surface 2 a of the paper honeycomb 2 is adjacent to the surface side region 6 a adjacent to the surface material 3 and the back surface material 4. The rotary blade 30 is brought into contact with the rear surface side region 6b, and the rotary blade 30 is moved relatively in the longitudinal direction of the first end surface 2a, thereby forming the groove-shaped filling depression 12. In addition, the rotary blade 30 of this example has a pair of cutting blades 30a having a thickness of 5 mm, thereby forming two filling recesses 12 having a width of 5 mm and a depth of 2 mm at the same time. Yes.

  In the adhesive filling step 21, as shown in FIGS. 4C and 4D, the foamable adhesive 13 is sprayed from the nozzles 31 toward the respective filling depressions 12, and the filling depressions 12 are formed in the filling depressions 12. Foam. In addition, when the foamable adhesive 13 is sprayed onto the second end face 2b, it enters into the gap formed in the second end face 2b (the space in the wavy portion 10) and foams in the gap. It will be. Thereby, it will be in the state where the foaming adhesive 13 was filled in the hollow part 12 for filling, or the space | gap. Note that the expansion ratio of the foamable adhesive 13 is preferably about twice, and if it is three times or more, the adhesive strength may be lowered.

  In the adhesive application step 22, as shown in FIG. 4E, the application roller 32 is rolled while supplying the adhesive 14 stored in a tank (not shown) to the inner surface of the decorative edge member 7. The adhesive 14 is applied to the entire inner surface of the decorative edge member 7 with a uniform thickness. The decorative edge member 7 is continuously fed out by a feeding device (not shown). In the adhesive application step 22, the decorative edge member 7 having a required length according to the dimensions of the panel body 5 is used. Then, the adhesive 14 is applied. In FIG. 4 (e), for the sake of convenience, the rotation axis of the application roller 32 is shown as being horizontal and rolling up and down. However, the rotation axis is set as vertical and rolling in the horizontal direction (along the line). You may do it.

  In the crimping step 23, as shown in FIG. 4 (f), the decorative edge member 7 having the inner surface coated with the adhesive 14, and the foamable adhesive 13 on the front side region 6 a and the rear side region 6 b of the paper honeycomb 2. The face edge 5a of the filled panel body 5 is abutted, and then the pressing roller 33 is rolled on the outer surface of the decorative edge member 7, thereby pressing the decorative edge member 7 and the panel body 5 together. At this time, the width (length in the vertical direction) of the decorative edge member 7 is larger than the thickness of the panel body 5, and the sticking position of the decorative edge member 7 to the wooden face 5 a of the panel body 5 is in the vertical direction. Even if it deviates, it is possible to reliably cover the front end 5a of the panel body 5. In FIG. 4F, for the sake of convenience, the rotation axis of the pressing roller 33 is shown as being horizontal and rolling up and down. However, the rotation axis is set as vertical and rolling in the horizontal direction (along the line). You may do it.

  In addition, since the end cut process 24-round trimming process 27 performed after completion | finish of the crimping | compression-bonding process 23 is a well-known process conventionally implemented, detailed description is abbreviate | omitted here, but in the end cut process 24, The decorative edge member 7 continuously fed out by the feeding device is cut after sticking. Further, in the trimming step 25, as shown in FIG. 4G, an excessive portion of the decorative edge member 7 protruding from the upper surface or the lower surface of the panel body 5 is cut out with a blade (not shown). As shown in FIG. 4 (h), the scraper process 26 chamfers the edge 34 by bringing a blade (not shown) into sliding contact with the upper and lower edges 34 of the decorative edge member 7 in the longitudinal direction. Further, in the round trimming step 27, the part 35 is chamfered by bringing a blade (not shown) into sliding contact with the abutting part 35 between the end faces of the decorative edge member 7 in the vertical direction.

  As described above, according to the composite decorative panel 1 of the present embodiment, the front end 3a of the front material 3 and the front end 4a of the back member 4 are formed by the adhesive 14 applied to the inner surface of the decorative peripheral member 7 and the decorative peripheral member. 7 is directly bonded to the inner surface of the front surface 7, while the inner surface of the surface material 3 in the vicinity of the mouth end surface 3 a and the inner surface of the back material 4 in the vicinity of the end surface 4 a are filled with a lump-shaped foamable adhesive 13. 7 is bonded to the inner surface of the plate 7, so that even if the tailoring surface material 3 and the back material 4 are thin, the bonding area between the panel body 5 and the decorative edge member 7 is widened to prevent the decorative edge member 7 from peeling off. can do.

  Moreover, according to the composite decorative panel 1 of the present embodiment, the groove-shaped filling depression 12 is formed for the front surface side region 6a adjacent to the front surface material 3 and the back surface side region 6b adjacent to the back surface material 4, Since the foaming adhesive 13 is filled in the filling depression 12, it is possible to secure a space that can be filled with the foaming adhesive 13 regardless of the cutting position of the paper honeycomb 2. In addition, the inner surfaces of the front surface material 3 and the back surface material 4 and the inner surface of the decorative edge member 7 orthogonal thereto can be reliably bonded via the foamable adhesive 13.

  Further, the filling depression 12 is formed only on the first end face 2a of the paper honeycomb 2, and the foamable adhesive 13 is directly filled into the gap of the corrugated portion 10 on the second end face 2b. Therefore, the total man-hour can be shortened. In addition, since the groove-shaped filling depression 12 is not formed on the second end surface 2b, the flat portion 11 remains in the front side region 6a and the back side region 6b on the second end surface 2b. The foamable adhesive 13 can be brought into contact with the flat portion 11, and as a result, the adhesive strength between the paper honeycomb 2, the surface material 3, and the back material 4 can be increased.

  The present invention has been described with reference to preferred embodiments. However, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention as described below. And design changes are possible.

  That is, in the said embodiment, although the thing using the melamine decorative board 16 and the paper tube base paper 17 was shown as the surface material 3, you may make it use wooden materials, such as MDF like the back surface material 4. FIG.

  Moreover, in the said embodiment, although what formed the hollow part 12 for filling only in the 1st neck face 2a of the paper honeycomb 2 was shown, it is made to form the hollow part 12 for filling also in the 2nd mouth face 2b. Also good. Moreover, in the said embodiment, what showed the foamable adhesive agent 13 with respect to the surface side area | region 6a and the back surface side area | region 6b was shown, However, The 1st front end surface 2a and 2nd front end surface 2b of the paper honeycomb 2 are shown. The foamable adhesive 13 may be sprayed. According to this, the adhesive strength between the decorative edge member 7 and the paper honeycomb 2 can be further increased.

  In the above embodiment, the surface material 3 and the back material 4 are directly bonded to the paper honeycomb 2. However, a paper member such as cardboard is pasted on the front surface and the back surface of the paper honeycomb 2 in advance. You may make it adhere | attach the surface material 3 and the back surface material 4 with respect to the paper honeycomb board formed.

  Furthermore, in the said embodiment, although what attached the decorative edge member 7 over the perimeter of a panel body 5 (4 end surfaces) was shown, you may make it attach only to a part of end surface.

1 Composite decorative panel 2 Paper honeycomb (honeycomb structure material)
2a 1st end face 2b 2nd end face 3 Surface material 3a End face 4 Back face 4a End face 5 Panel body 5a End face 6a Front side area 6b Back side area 7 Makeup edge member 9 Single-sided corrugated cardboard 10 Wavy part 11 Flat part 12 Indentation for filling (indentation)
13 Foamable adhesive 14 Adhesive 20 Recessed part forming process 21 Adhesive filling process 22 Adhesive applying process 23 Crimping process

JP-A-10-711 JP 2006-168158 A

Claims (3)

Honeycomb structure material,
Using the honeycomb structure material as a core material, a surface material bonded to the surface side of the honeycomb structure material;
A back surface material bonded to the back surface side of the honeycomb structure material;
A decorative rim member attached to a front end of a sandwich-structured panel body composed of the surface material, the honeycomb structure material, and the back surface material;
The decorative edge member is a foamable adhesive sprayed in a lump shape on at least a surface side region adjacent to the surface material and a back surface side region adjacent to the back material of the end face of the honeycomb structure material, A composite decorative panel, wherein the composite decorative panel is attached to the end face of the panel body through an adhesive applied to the inner surface of the decorative edge member. 2. The composite makeup according to claim 1, further comprising a filling recess portion that is formed in a groove shape with respect to the front surface region and the back surface region and is filled with the foamable adhesive. panel. A honeycomb structure;
Using the honeycomb structure material as a core material, a surface material bonded to the surface side of the honeycomb structure material;
A bonding method for an edge member in a composite decorative panel, in which a decorative edge member is attached to a mouth end surface of a panel structure of a sandwich structure composed of a back surface material bonded to the back surface side of the honeycomb structure material. And
Of the kerf surface in the honeycomb structure material, a dent forming step for forming a groove-like dent for each of a surface side region adjacent to the surface material and a back side region adjacent to the back material;
An adhesive filling step of filling the hollow with a foamable adhesive; and
An adhesive application step of applying an adhesive to the inner surface of the decorative edge member;
A pressure-bonding step of pressure-bonding the decorative edge member to the front end of the panel body through the adhesive applied to the inner surface of the decorative edge member and the massive foamable adhesive filled in the recess; A method of attaching an edge member in a composite decorative panel, comprising:

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