JP2006299510A - Flush panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform press machining of a face material on a frame body while maintaining the beautiful appearance of a flush panel satisfactorily in press machining of the flush panel. <P>SOLUTION: A flush door 10 is provided with middle sashes 14a, 14b, 14c and a core 16 on an inner side of a frame 11 formed like a square frame. The middle sashes 14a, 14b, 14c are stretched over in the left and right directions at a predetermined interval in the vertical direction of the frame 11. Prospective dimension of the middle sashes 14a, 14b, 14c is set to be smaller than prospective dimension of the frame 11. The core 16 is constituted by a corrugated board being a material more deformable than the frame 11 and the face materials 12a, 12b and is formed like a lattice. Prospective dimension of the core 16 is set to be smaller than prospective dimension of the frame 11. The core 16 is provided in a space surrounded by the frame 11 and the middle sashes 14a, 14b, 14c and the face materials 12a, 12b are bonded to it from its both sides. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a flash panel configured by bonding a face material to one or both of front and back surfaces of a frame.

  Conventionally, flash panels have been used for doors and doors used in buildings, partitions used to partition indoor spaces, doors used in furniture, and the like. The flash panel is a panel having a flash structure in which a thin plate-like face material is bonded to one or both of the front and back surfaces of a frame. In general, the flash panels used for the joinery, partitions, furniture doors, etc. are arranged inside a wooden frame framed in a quadrilateral shape, and a wooden middle frame for reinforcing the frame is opposed to each other. It is stretched between the sides.

For example, in the flash panel described in Patent Document 1 below, an intermediate rail extending in the lateral direction of the frame body is assembled at a substantially central portion of a frame body (框) in which four columnar frame members are assembled into a quadrangular shape. It is configured. Moreover, a core formed in a honeycomb shape is provided in a space surrounded by the frame and the intermediate rail. The core is a member for reinforcing a pair of thin plate-like face members attached to the front and back surfaces of the frame, and is made of a paper material such as cardboard. The flash panel configured in this manner is usually assembled by placing a core inside a rectangular frame and then bonding a pair of face materials to the front and back surfaces of the frame by pressing.
JP-A-10-711

  However, in this press work, the face material is pressed against the frame body, the middle rail, and the core, respectively, by applying pressure almost uniformly to the substantially entire surface of the same face material. In this case, since the core is a member that is more easily deformed than the frame and the middle rail, the portion pressed against the core in the face material is the portion pressed against the frame and middle rail in the same surface material. The amount of bending, that is, the amount of deformation is large. For this reason, when the face material is strongly pressed against the boundary portion between the frame body and the middle rail and the core, that is, the outer edge portion of the frame body and the middle rail, the same surface material is deformed, and streak-like marks are formed along the outer edge portion. May occur. As a result, there is a problem that the aesthetic appearance of the flash panel is remarkably impaired. In addition, the flash panel without using the core has the same problem.

  The present invention has been made to address the above problems, and an object of the present invention is to provide a flash panel capable of pressing a face material into a frame while maintaining a good appearance of the flash panel.

  In order to achieve the above object, the present invention is a flash panel configured by bonding a face material to at least one of the front and back surfaces of a frame body, and is a material that is more easily deformed than the material of the frame body and the face material. The core formed in the expected dimension larger than the expected dimension of the frame is fixed to the face material in the space surrounded by the frame. In this case, the frame is made of, for example, wood or a wood-based member using wood (for example, MDF (Medium Density Fiberboard), PB (Particle Board), LVL (Laminated Veneer Lumber)), and the core It is good to comprise with paper materials, such as corrugated cardboard.

  In these cases, in a flash panel constructed by bonding a pair of face materials to the front and back surfaces of the frame body, the expected dimensions are larger than the expected dimensions of the frame body with a material that is easier to deform than the material of the frame body and the pair of face materials. In some cases, the core formed in the above is provided between a pair of face materials.

  According to the present invention configured as described above, the core is made of a material that is more easily deformed than the frame and the face material. Therefore, when the face material is pressed into the frame, the face material defines the end surface portion of the core. It is pasted on the frame while being crushed. For this reason, the bending force of the portion pressed against the core in the face material, that is, the amount of deformation is reduced by the resistance force of the crushed core, and the face material is not strongly pressed against the outer edge portion of the frame. As a result, the formation of streak-like marks due to the outer edge of the frame body on the surface of the face material is prevented, and the face material can be pressed into the frame body while maintaining the aesthetic appearance of the flash panel.

  In the present invention, the core may be configured by a support member that has a flat surface extending perpendicularly to the face material and supports the face material at the end face. In this case, the shape of the core may be formed in a plate shape or a cylindrical shape, and one or a plurality of the cores may be arranged between the space surrounded by the frame or the pair of face materials. Further, the core may be formed in a shape having a plurality of holes such as a lattice shape or a honeycomb shape, and the size of the core may be appropriately adjusted according to the shape of the region where the core is disposed. Good. According to this, the core can be configured to be lightweight while being easily deformed.

  Furthermore, in the present invention, an intermediate rail for reinforcing the frame body may be provided inside the frame body. In this case, the expected dimension of the middle rail is made smaller than the expected dimension of the frame. Moreover, this middle rail can be comprised by the wood type | system | group member which used wood or wood, for example. According to this, since the expected dimension of the middle rail is set smaller than the expected dimension of the rod, the face material is not strongly pressed against the outer edge portion of the middle rail. As a result, streak-like marks due to the outer edge of the intermediate rail are prevented from being generated on the surface of the face material, and the face material can be pressed into a frame while maintaining the aesthetic appearance of the flash panel.

  Hereinafter, an embodiment of a flash panel according to the present invention will be described with reference to the drawings. FIG. 1 is a partially cutaway front view showing a flash door 10 as a flash panel according to the present embodiment. The flash door 10 is installed between rooms in a house, and opens and closes between rooms by sliding on a sill.

  The outer shape of the flash door 10 is constituted by a ridge (frame body) 11 in which horizontal ridges 11a and 11b extending in the horizontal direction on both upper and lower sides and vertical ridges 11c and 11d extending in the vertical direction on both left and right sides are formed in a quadrilateral shape. Has been. The coffin 11 composed of these horizontal coffins 11a, 11b and vertical coffins 11c, 11d is made of wood such as cedar and coffin, plywood or laminated wood formed by laminating these woods, or MDF (Medium density Fiberboard), PB (Particle Board) and woody members such as LVL (Laminated Veneer Lumber). In addition, the vertical dimension of the flange 11 according to the present embodiment is set to 2000 mm, the horizontal dimension is set to 800 mm, and the expected dimension (thickness dimension in the front and back direction of the flash door 10) is set to 25 mm.

  A pair of face materials 12 a and 12 b are attached to the front and back surfaces of the flange 11. The face materials 12a and 12b are thin plates made of the above-described wood or wood-based members and formed in a quadrangular shape corresponding to the outer shape of the basket 11. In this embodiment, the thickness dimensions of the face materials 12a and 12b are set to 2.5 mm, respectively. Therefore, the expected dimension of the flash door 10 according to the present embodiment is 30 mm. Each surface of the face members 12a and 12b is provided with a concave puller 13 formed in an elliptical shape in the vertical direction on one side (right side in the drawing) in the horizontal direction at the substantially central portion in the vertical direction. ing.

  Three middle rails 14a, 14b, 14c that extend in the left-right direction at predetermined intervals in the vertical direction are spanned on the inner side of the collar 11. The intermediate rails 14a, 14b, and 14c are members in which the above-described wood or wood-based members are formed in a quadrangular column shape, and are mainly provided to reinforce the reed 11. Of these middle rails 14a, 14b, and 14c, the upper middle rail 14a and the lower middle rail 14c are each fixed at one end to the vertical rod 11c of the rod 11 and the other end is the vertical rod of the rod 11 respectively. It is fixed to 11d, and is formed to have a length corresponding to the inner dimension between the vertical rods 11c and 11d. In addition, the middle crosspiece 14b located in the center of the vertical direction of the rod 11 is fixed to the vertical rod 11c of the rod 11 at one end side, and the vertical rod 11d of the rod 11 via the pulling anchor 15 at the other end side. It is formed in a length corresponding to the inner dimension between the vertical rod 11c and the pulling lever 15. In the present embodiment, the length of the intermediate rails 14a and 14c is set to 700 mm, and the length of the intermediate rail 14b is set to 620 mm. Moreover, the estimated dimension (thickness dimension in the front and back direction of the flash door 10) of the middle rails 14a, 14b, and 14c is set to be smaller than the estimated dimension of the flange 11, and is set to 24 mm in the present embodiment. .

  The pulling lever 15 is fixed to the vertical hook 11 d of the hook 11 at a position corresponding to the pulling hand 13. The pulling lever 15 is a plate material in which the above-described wood or wood-based member is formed in a square shape, and is provided to fix the pulling handle 13 to the face materials 12a and 12b, respectively. Concave portions corresponding to the shape of the puller 13 are formed on both surfaces of the puller anchor 15, and the puller 13 is attached to the face materials 12 a and 12 b by being fitted into the concave portion. The expected dimension of the pulling anchor 15 is set to 25 mm, which is the same as the expected dimension of the flange 11. In addition, you may set the prospective dimension of this pulling anchor 15 smaller than the prospective dimension of the eaves 11 similarly to the said middle crosspieces 14a, 14b, and 14c.

  Cores 16 formed in a lattice shape are provided in four spaces surrounded by the flange 11 and the middle rails 14a, 14b, 14c, respectively. As shown in FIG. 2, the core 16 has three horizontal bars 16a extending in the horizontal direction at regular intervals in the vertical direction and seven vertical bars 16b extending in the vertical direction at regular intervals in the horizontal direction. Is configured. As shown in FIGS. 3 (A) and 3 (B), the horizontal rail 16a and the vertical rail 16b are formed in a thin plate shape in which corrugated cardboard, which is a material more easily deformed than the saddle 11 and the face materials 12a and 12b, is formed in a substantially rectangular shape. It is a member. The horizontal beam 16a and the vertical beam 16b are formed to have a length corresponding to the space in the left-right direction and the space in the vertical direction of the space surrounded by the rod 11 and the middle beams 14a, 14b, 14c, respectively. In the present embodiment, the length of the horizontal rail 16a is set to 700 mm, and the length of the vertical rail 16b is set to 450 mm.

  The horizontal beam 16a and the vertical beam 16b are respectively formed with notches 16c that are notched with a predetermined width at regular intervals in each longitudinal direction. The notches 16c of the other vertical beam 16b and the horizontal beam 16a are inserted into the notches 16c of the horizontal beam 16a and the vertical beam 16b, respectively, so that the horizontal beam 16a and the vertical beam 16b are connected to each other. Accordingly, the horizontal rail 16a and the vertical rail 16b are formed with notches 16c corresponding to the number of the vertical rail 16b and the horizontal rail 16a to be connected. That is, seven notches 16c are formed in the horizontal rail 16a, and three notches 16c are formed in the vertical rail 16b. Further, the width of the cutout of the cutout portion 16c corresponds to the thickness of the horizontal beam 16a and the vertical beam 16b, respectively, and is set to 5 mm in this embodiment.

  These horizontal bars 16a and vertical bars 16b are assembled in a lattice shape to form the core 16. In this case, the outer shape of the core 16 is formed in a shape corresponding to the inner shape surrounded by the flange 11 and the intermediate rails 14a, 14b, and 14c, that is, in a quadrangular shape. The expected dimension of the core 16 is set larger than the expected dimension of the flange 11. Specifically, it is preferably set larger by 0.2 to 1.0 mm. In the present embodiment, the size is set larger by 0.5 mm, and the expected dimension of the core 16 is set to 25.5 mm.

  The end surfaces of the flash door 10 in the core 16 in the front and back direction are fixed to the back surfaces of the face materials 12a and 12b, respectively, to reinforce the face materials 12a and 12b. A decorative edge 17 is attached to the outer peripheral surface of the ridge 11. The decorative edge 17 is provided to cover the outer peripheral surface of the heel 11 to protect the outer peripheral surface of the heel 11 and to improve the aesthetic appearance of the flash door 10.

  A method for manufacturing the flash door 10 configured as described above will be described. First, the worker processes members constituting each part of the flash door 10 into a predetermined shape designed in advance. Specifically, the horizontal rails 11a and 11b and the vertical rods 11c and 11d that constitute the rod 11, the face members 12a and 12b, the intermediate rails 14a, 14b, and 14c, the pulling levers 15 and the horizontal rails 16a that constitute the core 16 and The vertical beam 16b is processed. In this case, the horizontal rods 11a and 11b, the vertical rods 11c and 11d, the face materials 12a and 12b, the intermediate rails 14a, 14b and 14c, and the pulling lever anchor 15 are made of the above-described wood or wood-based members. It is processed into the shape of the predetermined dimension described above. Further, the above-described corrugated cardboard is used for the horizontal rail 16a and the vertical rail 16b of the core 16, and the corrugated cardboard is processed into the shape of the predetermined dimension described above.

  Next, the operator assembles the basket 11. Specifically, the horizontal rods 11a, 11b and the vertical rods 11c, 11d are assembled in a rectangular frame shape, and the intermediate rails 14a, 14b, 14c and the pulling lever 15 are arranged at predetermined positions inside them. And each joint part of these horizontal reeds 11a and 11b, vertical reeds 11c and 11d, middle crosspieces 14a, 14b and 14c, and the pulling lever anchor 15 is fixed with a tucker nail and an adhesive agent. Next, the operator assembles the core 16 by connecting the horizontal beam 16a and the vertical beam 16b to each other in a lattice shape. In this case, the outer shape of the core 16 is formed in a quadrangular shape corresponding to the inner shape surrounded by the flange 11 and the intermediate rails 14a, 14b, 14c. The number of cores 16 required for one flash door 10 is prepared, that is, four sets in this embodiment.

  Next, the operator attaches the face materials 12a and 12b to the front and back surfaces of the ridge 11, respectively. The face material 12a, 12b is attached by a press machine (not shown). First, the operator sets one of the face materials 12a and 12b (for example, the face material 12a) at a predetermined position on the bed of the press machine with the back surface facing upward. And an adhesive agent is apply | coated to the back surface of the face material 12a mounted on the bed.

  Next, the worker places the collar 11 on the back surface of the face material 12a placed on the bed with the four corners of the collar 11 aligned with the four corners of the face material 12a. And the core 16 is each arrange | positioned in each space enclosed by the collar 11 and the middle rails 14a, 14b, and 14c. In this case, since the expected dimension (25.5 mm) of the core 16 is larger by 0.5 mm than the expected dimension (25 mm) of the flange 11, the end surface of the core 16 protrudes by 0.5 mm from one of the front and back surfaces of the flange 11. .

  Next, the operator applies an adhesive to the back surface of the face material 12b which is the other face material, and then directs the back surface toward the flange 11 and the core 16 side, and the four corners of the face material 12b and the four corners of the flange 11 The face material 12b is placed on the ridge 11 and the core 16 so as to coincide with each other. In this case, since the end surface of the core 16 protrudes by 0.5 mm from one of the front and back surfaces of the flange 11, strictly speaking, the face material 12 b is placed on the core 16.

Next, the operator operates the press machine to apply pressure to the scissors 11, the face materials 12a, 12b and the core 16 set on the bed, and affix the face materials 12a, 12b to the scissors 11 and the core 16. . In this case, the press machine applies a pressure (for example, ² to 5 kg / cm ² ) preset by the operator to the entire surface of the face materials 12a and 12b. Thereby, the face materials 12 a and 12 b are pressed against the flange 11 and the core 16.

  In the pressing process of the face materials 12a and 12b, the end surface of the core 16 protrudes from one of the front and back surfaces of the flange 15, and the core 16 is more easily deformed than the face material 12b. The face material 12 b is pressed against one of the front and back surfaces of the flange 11 while crushing the end face of the core 16. The face material 12b is pressed against one of the front and back surfaces of the flange 11, and at the same time, the face material 12a is pressed against the other front and back surfaces of the flange 11. Thereby, the face materials 12a and 12b are bonded to the flange 11 and the core 16, respectively. In this case, the portions of the face materials 12a and 12b that are pressed against the core 16 are kept small in the amount of bending due to the resistance force of the crushed core 16. For this reason, the face materials 12a and 12b are not strongly pressed against the outer edge portion of the flange 11. Further, since the expected dimensions of the intermediate rails 14a, 14b, and 14c are set smaller than the expected dimensions of the flange 11, the face materials 12a and 12b are not strongly pressed against the outer edge portions of the intermediate rails 14a, 14b, and 14c. . As a result, it is possible to prevent streak-like marks from being formed on the surfaces of the face materials 12a and 12b due to the outer edges of the flange 11 and the intermediate rails 14a, 14b and 14c, and to maintain the aesthetic appearance of the flash door 10, while maintaining the appearance of the face material 12a, 12b can be pressed into the flange 11.

  After this press work, the operator takes out the bag 11 with the face materials 12a and 12b attached thereto from the press machine, and performs other necessary work such as attaching the pull handle 13 and the decorative edge 17 to the flash door 10. To complete. In addition, the manufacturing process of this flash door 10 is only an example, and each process may be changed as appropriate. For example, the adhesive applied to the face materials 12a and 12b may be applied to the front and back surfaces of the ridge 11, respectively.

  Furthermore, in carrying out the present invention, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the object of the present invention.

  In the embodiment described above, the lengths in the longitudinal direction of the horizontal rails 16a and the vertical rails 16b of the core 16 are respectively determined as the space in the horizontal direction and the space in the vertical direction surrounded by the rod 11 and the middle rails 14a, 14b, 14c. However, the present invention is not limited to this. In general, there are various sizes of flash panels depending on applications (for example, doors and partitions) used and sizes of openings in which the flash panels are installed. Therefore, the length in the longitudinal direction of the horizontal beam 16a and the vertical beam 16b of the core 16 may be set to a length that can be used in common for a plurality of types of flash panels.

In this case, for example, as shown by a broken line in the upper part of FIG. May be provided in the same space by bending one of the vertical bars 16b. 4A and 4B, when the size of the core 16 is smaller than the size of the space surrounded by the eaves 11 and the middle rails 14a, 14b, 14c, and a gap is generated in the space. Such a small core 16 ', 16''is prepared, and the small core 16' is inserted in the same gap.
, 16 '' may be fitted. That is, a core having a shape corresponding to the shape of the gap may be manufactured by appropriately combining the horizontal beam 16a and the vertical beam 16b.

In the above-described embodiment, the core 16 is configured by assembling the thin plate-like horizontal crosspieces 16a and the vertical crosspieces 16b in a lattice shape, but is not limited thereto. For example, as shown in FIG. 5, a core 21 formed in a honeycomb shape may be used. Further, as shown in FIG. 6, a core 22 formed in a waveform may be used, and as shown in FIG. 7, a core 23 formed in a teardrop shape (saddle shape) is used. Also good. Further, as shown in FIG. 8, the core 24 formed of a thin plate may be provided so as to extend in the left-right direction at a predetermined interval in the vertical direction of the flange 11. In this case, the core 24 may be provided so as to extend in the vertical direction at a predetermined interval in the horizontal direction. Further, as shown in FIG. 9, a core 25 formed in a cylindrical shape may be used. In this case, the cores 25 may be packed and used without any gaps in the space surrounded by the eaves 11 and the middle rails 14a, 14b, and 14c, or may be used by being scattered in the same space. Further, a small core 16 'as shown in FIGS. 4 (A) and 4 (B).
, 16 '' may be prepared, and the cores 16 ', 16''may be packed in the space without any gaps, or may be used scattered in the space.

  In addition, as shown in the said FIGS. 5-7 and FIG. 9, when packing the space enclosed by the collar 11 and the middle rails 14a, 14b, and 14c without a gap, the grid | lattice-like core 16 which concerns on this embodiment Compared with the case where the cores 16 'and 16' 'shown in FIGS. 4A and 4B and the core 25 shown in FIG. 9 are dotted and provided in the same space, the face materials 12a and 12b and the end face of the core Therefore, it is better to increase the pressure when pressing the face materials 12a and 12b. In other words, the lattice-like core 16 according to the present embodiment, the cores 16 'and 16' 'shown in FIGS. 4A and 4B, and the core 25 shown in FIG. If it is provided in the space, it is possible to reduce the pressure during the pressing, and it is possible to more effectively prevent streak-like marks generated on the surfaces of the face materials 12a and 12b.

  Moreover, in the said embodiment, although the width dimension of the notch part 16c corresponding to each thickness dimension of the horizontal beam 16a of the core 16 and the vertical beam 16b and the same thickness dimension was set to 5 mm, it is limited to this is not. Each of these dimensions is appropriately set depending on the material and shape of the flange 11, the face materials 12a and 12b, the core 16, and the like. In addition, when the material of the eaves 11 and the face materials 12a and 12b is the above-described wood or wood-based member and the material of the core 16 is corrugated cardboard, the thickness dimension of the horizontal beam 16a and the vertical beam 16b and the notch portion 16c The width dimension is preferably 5 to 10 mm.

  Moreover, in the said embodiment, although the corrugated cardboard was used as a material which comprises the core 16, it is not limited to this. The material of the core 16 is determined by a relative relationship with the material of the flange 11 and the face materials 12a and 12b. That is, the material which comprises the core 16 should just be a material which deform | transforms easily rather than the material which comprises the collar 11 and the face materials 12a and 12b. For example, when the ridge 11 and the face materials 12a and 12b are made of wood or a wooden material as in the above embodiment, a paper material other than corrugated cardboard (eg, cardboard) or a paper material as the material of the core 16 Other materials (for example, rubber, polystyrene foam, etc.) can be used. In the case where cardboard is used as the material of the core 16 as in this embodiment, the cost of the core 16 can be reduced by using waste cardboard.

  Moreover, in the said embodiment, although the prospective dimension of the middle rails 14a, 14b, and 14c was set smaller by 1.0 mm than the prospective dimension of the eaves 11, it is not limited to this. The expected dimensions of the middle rails 14a, 14b, 14c are appropriately set depending on the material and shape of the rod 11, the face materials 12a, 12b, the core 16, and the like. In addition, when the material of the fence 11 and the face materials 12a and 12b is the above-described wood or wood-based member and the material of the core 16 is corrugated cardboard, the expected dimensions of the intermediate rails 14a, 14b, and 14c are the expected dimensions of the fence 11. It may be set smaller by 0.5 to 2.0 mm.

  Moreover, in the said embodiment, although demonstrated using the flash door 10 provided with the middle crosspieces 14a, 14b, 14c inside the collar 11 as a flash panel which concerns on this invention, it is not limited to this. That is, the present invention can be widely applied to flash panels that do not include the intermediate rails 14a, 14b, and 14c.

  Moreover, in the said embodiment, although demonstrated using the flash door 10 which bonded together a pair of face material 12a, 12b on the front and back of the collar 11, as a flash panel which concerns on this invention, it is not limited to this. . That is, the present invention can be widely applied to a flash panel configured by bonding a face material to one of the front and back surfaces of the ridge 11.

  Moreover, in the said embodiment, although demonstrated using the example which applied the flash panel which concerns on this invention to the flash door 10, if it is a panel which consists of flash structures, it will not be limited to this. For example, the present invention can be widely applied to other fittings such as doors used in buildings, partitions used to partition indoor spaces, or doors used in furniture.

It is a partially cutaway front view which shows the flash door which concerns on one Embodiment of this invention. It is a perspective view which shows the external appearance of the core provided in the flash door shown in FIG. (A) is a perspective view which shows the external appearance of the horizontal rail which comprises the core shown in FIG. 2, (B) is a perspective view which shows the external appearance of the vertical rail which comprises the core shown in FIG. (A) And (B) is a perspective view which shows the external appearance of the core which concerns on other embodiment of this invention. It is a partially notched front view which shows the flash door which concerns on other embodiment of this invention. It is a partially notched front view which shows the flash door which concerns on other embodiment of this invention. It is a partially notched front view which shows the flash door which concerns on other embodiment of this invention. It is a partially notched front view which shows the flash door which concerns on other embodiment of this invention. It is a partially notched front view which shows the flash door which concerns on other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Flash door, 11 ... 框, 11a, 11b ... Recumbent, 11c, 11d ... Longitudinal ridge, 12a, 12b ... Face material, 14a, 14b, 14c ... Middle rail, 16, 16 ', 16''... Core, 16a ... Horizontal rail, 16b ... Vertical rail, 16c ... Notch.

Claims (6)

In the flash panel configured by bonding the face material to at least one of the front and back surfaces of the frame,
A core formed with a material that is easier to deform than the material of the frame body and the face material and has an expected size larger than the expected size of the frame body is fixed to the face material in a space surrounded by the frame body. A flash panel characterized by that. In the flash panel constructed by bonding a pair of face materials to the front and back surfaces of the frame,
A flash comprising: a core formed between a material that is more easily deformable than a material of the frame and the pair of face materials and having an expected size that is larger than an expected size of the frame, between the pair of face materials. panel. The flash panel according to claim 1, further comprising:
A flash panel provided with an intermediate rail for reinforcing the frame inside the frame. The flash panel according to claim 3,
The flash panel which made the prospective dimension of the said middle crosspiece smaller than the prospective dimension of the said frame. The flash panel according to any one of claims 1 to 4,
The flash panel which comprised the said core with the supporting member which has the plane extended perpendicularly | vertically with respect to the said face material, and supports the said face material in an end surface. The flash panel according to any one of claims 1 to 5,
A flash panel in which the core is made of paper.

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