Pipe cover member and method for attaching same

Abstract

To provide a piping cover member which can be fitted corresponding to a different piping position of a plumbing pipe for a sink of a kitchen cabinet.SOLUTION: A piping cover member is the piping cover member which is arranged in a kitchen cabinet comprising: a cabinet main body arranged on a floor face; and a sink installed on a top face of the cabinet main body, the piping cover member being arranged over a bottom face plate and a back face plate of the cabinet main body. The piping cover member comprises: a plate-shaped member which is folded and is formed into a stage shape in which, by folding processing, a depth side is high relative to a near side of the kitchen cabinet. The plate-shaped member is installed so that a plumbing pipe extending from the floor face to the sink, passes through a space formed between a stage top face part and the floor face, and the plate-shaped member is folded so that a part folded by the folding processing is varied according to a piping position on the floor face of the plumbing pipe.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a pipe cover member that is arranged across a bottom panel and a back panel of a cabinet body inside a kitchen cabinet installed on a floor under a sink, and a method for attaching the same. [Background technology]

[0002] In a kitchen cabinet equipped with a sink, the water supply and drainage pipes for the sink are introduced into the kitchen cabinet, passed underneath the kitchen cabinet, and then led out from the bottom of the kitchen cabinet to below the floor.

[0003] In this case, since water supply and drainage pipes pass through the interior under the sink of the kitchen cabinet, it has been proposed in the past to arrange a connecting member (piping cover member) to cover the water supply and drainage pipes at the rear bottom side of the kitchen cabinet in order to separate the storage space under the sink from the space in which the water supply and drainage pipes are installed (Patent Documents 1 to 7).

[0004] The connecting member (piping cover member) is generally an L-shaped cross-section member that forms a step on the rear side of the bottom of the kitchen cabinet to cover the piping location of the water supply and drainage pipes inside under the sink, and is attached so as to connect the back panel and bottom panel of the kitchen cabinet. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Publication No. 11-192130 [Patent Document 2] JP 2000-106961 A [Patent Document 3] JP 2001-046161 A [Patent Document 4] JP 2004-143545 A [Patent Document 5] JP 2010-284386 A [Patent Document 6] JP 2014-064786 A [Patent Document 7] JP 2016-221015 A Summary of the Invention [Problem to be solved by the invention]

[0006] When renovating a home and replacing existing kitchen cabinets with new kitchen cabinets, it is necessary to prepare a pipe cover member to cover the location of the water supply and drainage pipes connected to the sink, depending on the location of the pipes inside the sink.

[0007] FIG. 16 is a schematic diagram showing an example of the piping position of the water supply and drainage pipes under the sink of the kitchen cabinet from above. The positions of the holes in the floor through which the water supply and drainage pipes (collectively referring to water supply pipes, hot water supply pipes, and drainage pipes) extend under the sink of the kitchen cabinet are shown. The piping positions of the water supply and drainage pipes (particularly the positions of the holes through which the water supply and drainage pipes pass from under the floor to the floor surface) have various specifications according to the kitchen layout and piping design of each dwelling unit, and as shown in the figure as an example, the distance from the wall or the back position of the kitchen cabinet often differs from dwelling unit to dwelling unit. In FIG. 16(a), the piping position of the water supply and drainage pipes is relatively close to the wall side (rear side), and in FIG. 16(b), the water supply and drainage pipes are arranged away from the wall side and shifted toward the front side compared to FIG. 16(a). When installing kitchen cabinets during renovation, it is not possible to determine the exact location of the pipes in the apartment being renovated until the existing kitchen cabinets have been removed and dismantled, so it is difficult to confirm the location of the pipes in advance, and in some cases the location of the pipes is only confirmed on-site on the day of the renovation.

[0008] In order to accommodate the various piping positions of water supply and drainage pipes at a renovation site, it is not realistic and would be costly to prepare pipe cover members of different sizes and shapes to accommodate all possible piping positions. Also, if a pipe cover member were prepared that would occupy the maximum amount of space under the sink to accommodate all the various piping positions, the volume of the storage space under the sink would become relatively small, and there is a risk that dead space that cannot be used as storage space would be generated.

[0009] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide a pipe cover member and an installation method thereof that can be installed in accordance with different piping positions of water supply and drainage pipes for a kitchen cabinet sink. [Means for solving the problem]

[0010] In order to achieve the above object, the present invention provides a pipe cover member that is disposed inside a kitchen cabinet having a cabinet body that is placed on a floor surface and a sink that is attached to an upper surface of the cabinet body, across a bottom panel and a back panel of the cabinet body, and includes a plate-like member that is bent by bending to form a stepped shape with a higher depth at the front and rear sides of the kitchen cabinet, the plate-like member is installed so that a water supply and drainage pipe extending from above the floor surface to the sink passes through a space formed between the floor surface and a step upper surface portion of the stepped shape, and the plate-like member is bent so that a portion that is bent by the bending process can be changed according to the piping position of the water supply and drainage pipe on the floor surface. The plate-like member is attached so that a front end of a step lower surface portion of the step shape abuts against an end face of the bottom plate of the cabinet body, and a rear end of the step upper surface portion abuts against the rear plate of the cabinet body. It is characterized by the above.

[0011] The method for attaching a piping member of the present invention is a method for attaching a piping cover member arranged across a bottom panel and a back panel of a kitchen cabinet having a cabinet main body placed on a floor surface and a sink attached to an upper surface of the cabinet main body, the method comprising: a forming step of bending a plate-like member to form a stepped shape in the plate-like member such that the rear side is higher than the front side and the rear side of the kitchen cabinet; and an attaching step of attaching the plate-like member so that a water supply and drainage pipe extending from above the floor surface to the sink passes through a space provided between an upper surface portion of the stepped shape and the floor surface, and in the forming step, a portion of the plate-like member that is bent by the bending process is changed according to the piping position of the water supply and drainage pipe on the floor surface. The plate-like member is attached so that a front end of a step lower surface portion of the step shape abuts against an end face of the bottom plate of the cabinet body, and a rear end of the step upper surface portion abuts against the rear plate of the cabinet body. The present invention is characterized by the above.

[0012] For example, the plate-like member is bent by the bending process on the front side of the position where the water supply and drainage pipe penetrates the floor surface. ,before The front end of the plate-like member is bent vertically to form a front abutment surface that abuts against an end surface of the bottom plate, and the rear end of the plate-like member is bent vertically to form a rear abutment surface that abuts against an inner surface of the back plate. I do. Well In addition, when the kitchen cabinet has another cabinet body that is connected to the cabinet body and installed on the floor surface, the plate-shaped member is installed so that the water supply and drainage pipe extending above the floor surface passes through the space formed between the step upper surface portion of the step shape and the floor surface, and is arranged across the bottom panel and back panel of the other cabinet body. Effect of the Invention

[0013] According to the pipe cover member and its installation method of the present invention, at a kitchen cabinet renovation site, the bending portion of the plate-shaped member can be flexibly changed depending on the piping position of the water supply and drainage pipes leading to the sink, improving on-site adaptability and enabling the creation of a pipe cover member that maximizes the storage space inside the cabinet body. [Brief description of the drawings]

[0014] [Figure 1] FIG. 2 is a plan view of a kitchen cabinet sink from above. [Diagram 2] FIG. 2 is a perspective view showing the inside of the kitchen cabinet body. [Diagram 3] 2 is an external perspective view showing a plate-shaped member for constituting the piping cover member in the embodiment of the present invention. FIG. [Figure 4] 10A to 10C are diagrams showing examples of shapes of a pipe cover member in an embodiment of the present invention that is formed by bending a plate-shaped member. [Diagram 5] FIG. 2 is a cross-sectional view of the kitchen cabinet of FIG. 1 taken along line AA, showing a state in which a pipe cover member corresponding to a first pipe position is attached. [Figure 6] FIG. 6 is a perspective view showing a schematic view of the pipe cover member shown in FIG. 5. [Figure 7] 13A to 13C are diagrams showing another method of fixing the pipe cover member 30. [Figure 8] 2 is a cross-sectional view of the kitchen cabinet of FIG. 1 taken along line AA, showing a state in which a pipe cover member 30 corresponding to a second pipe position is attached. FIG. [Figure 9] FIG. 8 is a perspective view showing a schematic view of the pipe cover member shown in FIG. [Figure 10] FIG. 13 is a top view of the kitchen cabinet showing the third plumbing location. [Figure 11] 11 is a cross-sectional view of the kitchen cabinet in FIG. 10 taken along line BB, showing a schematic cross-sectional view illustrating a state in which a pipe cover member 30 corresponding to a third pipe position is attached. FIG. [Figure 12] 4 is a process flowchart of a method for installing a kitchen cabinet to which a duct cover member 30 according to an embodiment of the present invention is attached. [Figure 13] 1 is a perspective view showing an example of a shape of a plate-like portion 3 that can be bent. FIG. [Figure 14] FIG. 13 is a diagram illustrating a hanging cupboard 60 installed in a position where a beam protrudes. [Figure 15]1 is a cross-sectional view showing a pipe cover member 30 as a beam cover member that covers a beam and is placed inside a wall cabinet. FIG. [Figure 16] FIG. 1 is a schematic diagram showing an example of the piping location of water supply and drainage pipes under a kitchen cabinet sink, as viewed from above. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. However, such an embodiment does not limit the technical scope of the present invention. An embodiment of the present invention will be described with reference to specific drawings.

[0016] 1 is a plan view of a kitchen cabinet sink as seen from above. The sink 12 is attached to the top surface of a cabinet body 10, and is provided with a flush faucet 11 connected to a water supply pipe extending from below the sink, and a drain hole 14 connected to a drain pipe extending below the sink is provided in the bottom surface of the sink 12. The cabinet body 10 is a cooking work surface that forms a box shape with a front panel 10a including a door and a drawer surface, a left panel 10b, a right panel 10c, a back panel 10d, and a bottom panel 10e (see FIG. 2).

[0017] Fig. 2 is a perspective view showing the surface configuration of the cabinet body 10 of Fig. 1. In Fig. 2, the sink 12 and the front panel 10a are omitted, and the surface configuration of the cabinet body 10 is shown. In the cabinet body 10 which forms a box and is installed on the floor, the bottom panel 10e is a relatively short plate whose end in the depth direction does not extend to the depth position where the back panel 10d is erected, and the back panel 10d is also formed of a relatively short plate whose lower end does not descend to the height position of the placement surface of the bottom panel 10e, and an opening 18 is formed at the bottom in the depth direction of the cabinet body 10 by these short back panel 10d and bottom panel 10e.

[0018] The piping cover member in this embodiment of the present invention is a member that is arranged to cover this opening portion 18 and connect the back panel 10d and the bottom panel 10e, and forms a space for covering the water supply and drainage pipes that pass through the opening portion 18.

[0019] FIG. 3 is an external oblique view showing a plate-shaped member 3 for constituting a piping cover member in an embodiment of the present invention, and FIG. 4 is a diagram showing an example of the shape of a piping cover member 30 in an embodiment of the present invention formed by bending a plate-shaped member.

[0020] The pipe cover member 30 is formed of a single foldable plate-like member 3. The plate-like member 3 is formed of a flexible and foldable material, such as wood, synthetic resin, or metal (aluminum, etc.). In particular, the plate-like member 3 can be made of so-called plastic cardboard made of polypropylene, for example.

[0021] At a site where new kitchen cabinets are to be installed during kitchen renovation, an installation worker removes the existing kitchen cabinet, then exposes the water supply and drainage pipes extending from the floor surface and checks the positions of the pipes. The installation worker then bends the flat plate-shaped member 3 according to the positions of the pipes, to create a stepped pipe cover member 30. The plate-shaped member 3 is bent so that the portions to be bent by the bending process can be changed according to the positions of the water supply and drainage pipes.

[0022] The stepped shape of the piping cover member 30 is formed by a horizontal stepped lower surface portion 30a extending toward the depth direction, a vertical surface portion 30b that bends upward to create height, and a stepped upper surface portion 30c that extends horizontally from the vertical surface portion 30b.

[0023] Preferably, the front end of the step lower surface portion 30a is bent to form a front abutment surface 30d that abuts against the end surface of the bottom plate 10e to form a vertical surface, and the rear end of the step upper surface portion 30c is bent to form a rear abutment surface 30e that abuts against the inner surface of the back plate 10d to form a vertical surface. In Fig. 4, the front abutment surface 30d and the rear abutment surface 30e are illustrated as being vertical surfaces bent upward, but they may also be bent downward to form vertical surfaces.

[0024] Fig. 5 is a cross-sectional view of the kitchen cabinet in Fig. 1 taken along line AA, showing a state in which a pipe cover member 30 corresponding to a first pipe position is attached. Fig. 6 is a perspective view showing the pipe cover member 30 in Fig. 5. For the sake of explanation, Figs. 5 and 6 show an example of the structure and shape of the pipe cover member using the pipe position of the drain pipe 20 as an example, but the pipe cover member 30 is created to cover both a water supply pipe (including a hot water supply pipe) and a drain pipe that are close to each other.

[0025] The piping cover member 30 is bent forward of the position where the drain pipe 20 penetrates the floor surface to form a stepped shape so as to secure space 46 for a passage extending along the floor surface 42 from the position where the drain pipe 20 penetrates a hole 44 in the floor surface 42 from under the floor, and is attached to cover the drain pipe 20 extending along the floor surface 42.

[0026] In the example shown in Figures 5 and 6, the hole 44 in the floor surface 42 through which the drain pipe 20 passes is provided relatively near the front side of the cabinet body 10 (towards the front panel 10a), so the plate-like member 3 is bent so as to form a stepped upper surface portion 30c which is a relatively long horizontal surface, to create the piping cover member 30.

[0027] The pipe cover member 30 is attached by abutting the front contact surface 30d of the pipe cover member 30 against the end surface of the bottom plate 10e so as to fit therewith, and abutting the rear contact surface 30e against the inner surface of the back plate 10d. By utilizing the flexibility of the pipe cover member 30, the front contact surface 30d and the rear contact surface 30e are fitted so as to press against the bottom plate 10e and the back plate 10d on both sides, respectively, and the pipe cover member 30 can be easily fixed without using fixing means such as screws or bolts.

[0028] FIG. 7 is a diagram showing another fixing method of the piping cover member 30. As described above, instead of bending the front end of the step lower surface portion 30a and the back end of the step upper surface portion 30c of the piping cover member 30, grooves (recesses or cutouts) 40 may be provided in the bottom plate 10e and the back plate 10d, and the front end of the step lower surface portion 30a and the back end of the step upper surface portion 30c may be inserted into the corresponding grooves 40 to fix the piping cover member 30 to the bottom plate 10e and the back plate 10d. The grooves 40 can be made on-site at the remodeling site according to the size of the piping cover member 30. In the fixing method shown in FIG. 7, the piping cover member can be fixed with a simple structure without using fixing means such as screws or bolts.

[0029] Fig. 8 is a cross-sectional view of the kitchen cabinet in Fig. 1 taken along line AA, showing a state in which a pipe cover member 30 corresponding to the second pipe position is attached. Fig. 9 is a perspective view showing the pipe cover member in Fig. 8. As in the above, for the sake of explanation, Figs. 8 and 9 also illustrate the structure and shape of the pipe cover member using the pipe position of the water supply and drainage pipe 20 as an example, but the pipe cover member 30 is created so as to cover both the water supply pipe (including the hot water supply pipe) and the drain pipe that are close to each other. The pipe cover member 30 is fixed by the above-mentioned fixing method.

[0030] 8 and 9, as in the examples of Figures 5 and 6, the piping cover member 30 is bent forward of the position where the drain pipe 20 penetrates the floor surface to form a stepped shape so as to secure a space 46 extending along the floor surface from the position where the drain pipe 20 penetrates a hole in the floor surface 42 from under the floor, and is attached to cover the drain pipe 20 extending along the floor surface 42.

[0031] In the example shown in Figures 8 and 9, compared to the examples in Figures 5 and 6, the hole 44 in the floor surface 42 through which the drain pipe 20 passes is located at the back side of the cabinet body 10, so the piping cover member 30 is created by bending it so as to form a stepped shape having a stepped upper surface portion 30c with a relatively short horizontal length (the length of the stepped lower surface portion 30a is relatively long).

[0032] This allows an expanded volume of the storage space under the sink to be secured, eliminating dead space that cannot be used as storage space, and allowing the space under the sink to be used to the maximum extent possible.

[0033] FIG. 10 is a top view of the kitchen cabinet showing the third piping position. FIG. 11 is a cross-sectional view of the kitchen cabinet of FIG. 10 taken along line BB, showing a schematic cross-sectional view of the state in which the piping cover member 30 corresponding to the third piping position is attached. The kitchen cabinet shown in FIG. 10 is configured by connecting three cabinet bodies 10-1, 10-2, and 10-3, a top plate 10f is placed over the three cabinet bodies, a sink 12 is installed in the cabinet body 10-1, and a cooking table (gas stove, IH cooking heater, etc.) 16 is installed in the cabinet body 10-3. The third piping position is a piping position corresponding to so-called horizontal piping, and the drain pipe 20 penetrates the left side plate 10b of the cabinet body 10-3 from the side wall surface, extends along the floor surface inside the cabinet bodies 10-3, 10-2, and 10-1 in the lateral direction (frontage direction), and further extends upward from a position below the sink 12 to connect to the drain hole 14.

[0034] The plate-like member 3 is bent individually for each cabinet body 10-1, 10-2, 10-3 according to the piping position in the internal region of each cabinet body in which the drain pipe 20 is extended, so that a stepped shape is formed in which the front side and the rear side of the kitchen cabinet are higher by bending the plate-like member 3 by bending processing. Each pipe cover member 30 is installed so that the drain pipe 20 extending above the floor surface passes through the space formed between the step upper surface part of the stepped shape and the floor surface, and is disposed across the bottom plate 10e and the back plate 10d of each cabinet body. The shape of the pipe cover member 30 (the position of the bent portion) can be optimized for each cabinet body according to the piping position in each cabinet body.

[0035] 12 is a process flowchart of a method for installing a kitchen cabinet to which a pipe cover member 30 according to an embodiment of the present invention is attached. When carrying out a kitchen renovation to replace a kitchen cabinet with a new one, a worker prepares a plate-like member 3 in a single plate shape that has not been bent, and carries it to the renovation site. The plate-like member 3 carried in is then cut or otherwise processed to fit the size according to the installation dimensions. At the renovation site, the size can be adjusted regardless of the size of the kitchen cabinet (particularly the size of the opening 18 in FIG. 2).

[0036] In the installation work of the kitchen cabinet, first, the existing kitchen cabinet is removed (S100) to expose the piping positions of the water supply and drainage pipes (S102). The worker confirms the layout positions of the water supply and drainage pipes, and at the remodeling site, bends the plate-like member 3 according to the piping positions to form a stepped shape, thereby creating the pipe cover member 30 (S104). The bending process of the contact surfaces 30d and 30e is also performed at the remodeling site.

[0037] A new kitchen cabinet is installed in the location where the existing kitchen cabinet was removed (S106), and after connecting the water supply and drainage pipes, the pipe cover member 30 is attached (S108). As described above, the pipe cover member 30 is attached so as to span both the back panel 10d and the bottom panel 10e of the new kitchen cabinet, providing a space 46 between them.

[0038] Fig. 13 is a perspective view showing an example of the shape of the plate-like part 3 that can be bent. As shown in Fig. 13(a), the plate-like part 3 is a flat plate on which a plurality of folding grooves 50 extending in the folding direction at predetermined intervals are provided in advance on both the front and back surfaces, and is bent along the grooves corresponding to the positions that cover the piping positions of the water supply and drainage pipes.

[0039] The plate-like member 3 may be formed of a plate-like member 3 having a foldable cross-sectional structure such as a corrugated board structure, as shown in FIG. 13(b) and FIG. 13(c). For example, as shown in FIG. 13(b), the plate-like member 3 having the corrugated board structure is a plate-like member having a three-layer cross-sectional structure in which a front liner 52, a back liner 54, and a truss-structured (corrugated) core (hollow layer) 56 are bonded together, or as shown in FIG. 13(c), the plate-like member 3 having the corrugated board structure is a plate-like member having a three-layer cross-sectional structure in which a front liner, a back liner, and a rib-shaped core (hollow layer) 58 are integrally formed. The plate-like member 3 having the corrugated board structure is preferably a so-called plastic corrugated board, and can be folded by various processing methods such as half-cut processing, V-cut processing, heat creasing processing, and heater press processing. Plastic corrugated board can be folded at any position, and is easy to process at the remodeling site, making it a material particularly suitable for the piping cover member 30 of the present invention.

[0040] Since the plate-like member 3 is a flat plate before bending, it is easy to handle when brought in and transported, and the transport volume and transportation costs can be reduced. In addition, there is no need to individually manufacture pipe cover members according to the specifications of each site, and the cost of manufacturing pipe cover members in a factory can be reduced.

[0041] 14 and 15 are diagrams illustrating the case where the piping cover member 30 of this embodiment is used in a wall cabinet, with Fig. 14 illustrating a wall cabinet 60 installed at a position where a beam projects, and Fig. 15 being a cross-sectional view showing the piping cover member 30 as a beam cover member arranged inside the wall cabinet to cover the beam. The piping cover member 30 of this embodiment is not limited to use for hiding piping inside a kitchen cabinet, but can also be arranged as a beam cover member inside a wall cabinet 60 that is usually attached to the top of a kitchen cabinet in contact with the ceiling and wall surfaces.

[0042] As shown in Fig. 14, the wall cabinet 60 is a storage shelf formed in a box shape having a front panel 60a including a door and a drawer surface, a left panel (not shown) in contact with the side wall surface, a right panel 60c, a back panel 60d (see Fig. 15), a bottom panel 60e, and a top panel 60f (see Fig. 15) in contact with the ceiling surface. When the wall cabinet 60 is installed at a position where the beam 70 extending along the side direction (frontage direction) protrudes from the ceiling surface and the back wall surface, the piping cover member 30 as a beam cover member is arranged so as to cover the beam extending in the frontage direction inside the wall cabinet 60.

[0043] The piping cover member 30 as a beam cover member is created by confirming the overhanging position of the beam after removing the existing wall cupboard at the remodeling site, and bending the plate-shaped member 3 according to the overhanging position. The plate-shaped member 3 is bent so that the portion to be bent by the bending process can be changed according to the overhanging position of the beam, and the piping cover member 30 as a beam cover member created by the bending process is placed inside the newly installed wall cupboard 60. Specifically, as shown in FIG. 15, the piping cover member 30 as a beam cover member is bent by the bending process to form a step shape with the front side and the back side being lower when placed in the wall cupboard 60, and is placed across the upper panel 60f and the back panel 60d of the wall cupboard 60 so that the beam 70 passes through the space formed between the step lower surface portion 30a of the step shape and the ceiling surface. As in the above embodiment, the piping cover member 30 as a beam cover member is attached by utilizing its flexibility so that the front abutment surface 30d of the piping cover member 30 as a beam cover member abuts against the end surface of the bottom panel 60e of the hanging cupboard 60 so as to fit into the end surface, and the rear abutment surface 30e abuts against the inner surface of the back panel 60d of the hanging cupboard 60.

[0044] The present invention is not limited to the above-described embodiments, and it goes without saying that the present invention includes design changes that do not deviate from the gist of the present invention, including various modifications and alterations that would occur to a person with ordinary knowledge in the field of the present invention. [Explanation of symbols]

[0045] 3: plate-like member, 10: cabinet body, 10a: front panel, 10b: left side panel, 10c: right side panel, 10d: back panel, 10e: bottom panel, 11: faucet, 12: sink, 14: drain, 18: opening, 20: drain pipe, 30: pipe cover member (beam cover member), 30a: step bottom surface, 30b: vertical surface, 30c: step top surface, 30d: front contact surface, 30e: rear contact surface, 40: groove (recess or notch), 42: floor, 44: hole, 46: space, 50: folding groove, 52: front liner, 54: rear liner, 56: core, 58: core, 60: wall cabinet, 70: beam

Claims

1. A piping cover member is disposed inside a kitchen cabinet having a cabinet body installed on a floor surface and a sink installed on an upper surface of the cabinet body, the piping cover member being disposed across a bottom panel and a back panel of the cabinet body, The kitchen cabinet includes a plate-like member that can be folded to form a stepped shape with the rear side being higher than the front side by a folding process, The plate-like member is installed so that a water supply and drainage pipe extending from the floor surface to the sink passes through a space formed between a step upper surface portion of the step shape and the floor surface, the plate-like member is bent such that a portion to be bent by the bending process can be changed according to a piping position of the water supply and drainage pipe on the floor surface, The plate-shaped member is attached so that the front end of the stepped lower surface portion of the stepped member abuts the end face of the bottom panel of the cabinet body, and the rear end of the stepped upper surface portion abuts the rear panel of the cabinet body.

2. 2. The pipe cover member according to claim 1, wherein the plate-like member is bent by the bending process on the front side of a position where the water supply and drainage pipe penetrates the floor surface.

3. A piping cover member as described in claim 1 or 2, characterized in that the front end portion of the plate-shaped member is bent vertically to form a front abutment surface that abuts against the end face of the bottom plate, and the rear end portion of the plate-shaped member is bent vertically to form a rear abutment surface that abuts against the inner surface of the rear plate.

4. The kitchen cabinet has another cabinet body that is connected to the cabinet body and installed on a floor surface, A piping cover member as described in any one of claims 1 to 3, characterized in that the plate-shaped member is installed so that the water supply and drainage pipes extending above the floor surface pass through the space formed between the step upper surface portion of the step shape and the floor surface, and is arranged across the bottom panel and rear panel of the other cabinet body.

5. A method for attaching a pipe cover member to be disposed across a bottom panel and a back panel of a kitchen cabinet having a cabinet body that is installed on a floor surface and a sink that is installed on an upper surface of the cabinet body, comprising: a forming step of bending a plate-like member to form a stepped shape on a front side and a rear side of the kitchen cabinet such that the rear side is higher than the front side; and a mounting step of mounting the plate-like member so that a water supply and drainage pipe extending from the floor surface to the sink passes through a space provided between a step upper surface portion of the step shape and the floor surface, In the forming step, a portion of the plate-like member to be bent by a bending process is changed according to a piping position of the water supply and drainage pipe on the floor surface, The method for installing a piping cover member is characterized in that the plate-shaped member is installed so that the front end of the stepped lower surface portion of the stepped member abuts the end face of the bottom plate of the cabinet body, and the rear end of the stepped upper surface portion abuts the rear panel of the cabinet body.

6. 6. The method for attaching a pipe cover member according to claim 5, wherein the plate-like member is bent at a position forward of a position where the water supply and drainage pipe penetrates the floor surface by the bending process.

7. A method for installing a piping cover member as described in claim 5 or 6, characterized in that the front end portion of the plate-shaped member is bent vertically to form a front abutment surface that abuts against the end face of the bottom plate, and the rear end portion of the plate-shaped member is bent vertically to form a rear abutment surface that abuts against the inner surface of the rear plate.

8. The kitchen cabinet has another cabinet body that is connected to the cabinet body and installed on a floor surface, A method for installing a piping cover member as described in any one of claims 5 to 7, characterized in that the plate-shaped member is installed so that the water supply and drainage pipes extending above the floor surface pass through the space formed between the step upper surface portion of the step shape and the floor surface, and is arranged across the bottom panel and rear panel of the other cabinet body.

9. The process of removing the existing kitchen cabinets, A process of exposing the piping positions of the water supply and drainage pipes extending on the floor surface by removing the existing kitchen cabinets; a step of bending a plate-like member in accordance with a piping position of the water supply and drainage pipe to produce the pipe cover member according to any one of claims 1 to 4; installing a new kitchen cabinet in the location where the existing kitchen cabinet was removed; A method for installing a kitchen cabinet, comprising the steps of: attaching the piping cover member so as to connect the back and bottom of the new kitchen cabinet.

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