JP6905904B2 - Mattresses and side lumbers for mattresses - Google Patents

Description

The present invention relates to a sleeping mattress, and more particularly to an improvement of a mattress that can be used not only on the front surface but also on the back surface.

The mattress 1A includes a coil type, a low-resilience type, a high-resilience type, a reversible type, etc. (see Patent Documents 1 and 2). It is formed in a substantially rectangular shape, and is installed on the bed 2, and the sheets 3 which are linen materials are set on the surface (see Patent Document 3). As shown in FIG. 10, the fixing belts 4 for the sheets 3 are sewn diagonally near the four corners of the back surface of the mattress 1A, and each fixing belt 4 sandwiches the corners of the sheets 3 with the mattress 1A. It works to fix.

When the sheets 3 are set on such a mattress 1A to make a bed, the sheets 3 are spread evenly on the left and right sides of the mattress 1A, and the peripheral edge of the sheets 3 is wound around the back surface side of the mattress 1A. If the peripheral edge of the sheets 3 is folded and sandwiched between the bed 2 and the back surface of the mattress 1A, and the four corners of the sheets 3 are sandwiched and fixed between the four corners of the back surface of the mattress 1A and the fixing belt 4, bed making is performed. The bed 2 can be kept in a comfortable state.

Jikkenhei 01-032664 Japanese Unexamined Patent Publication No. 2013-146486 Japanese Unexamined Patent Publication No. 8-322678

The conventional mattress 1A is configured as described above, and when the fixing belts 4 for the sheets 3 are sewn near the four corners of the back surface, the sheets 3 may come off when the sheets 3 are set on the front surface. It is possible to effectively prevent the occurrence of wrinkles. However, when the fixing belt 4 is sewn near the four corners of the back surface of the mattress 1A, it is necessary to pay attention to both the front and back surfaces of the mattress 1A and install it on the bed 2.

Explaining this point in detail, when the mattress 1A is installed on the bed 2 with the front surface facing upward, the four corners of the sheets 3 can be fixed, but the mattress 1A is installed on the bed 2 with the back surface facing upward. In this case, it is structurally impossible to sandwich and fix the four corners of the sheets 3 between the downward surface four corners of the mattress 1A and the fixing belt 4. When the fixing belt 4 is sewn near the four corners of the back surface of the mattress 1A in this way, it is necessary to pay attention to both the front and back surfaces of the mattress 1A and install it on the bed 2 in order to exert the fixing function on the fixing belt 4. Therefore, the installation work becomes complicated and delayed.

In this regard, if the mattress 1A is a reversible mattress 10A that can be used on both the front and back sides (see FIG. 11), it can be installed on the bed 2 without paying particular attention to both the front and back sides of the reversible mattress 10A. It will be possible. However, since the reversible mattress 10A is not provided with any fixing belt 4 for the sheets 3, it is difficult to fix the sheets 3 and prevent the sheets 3 from coming off or wrinkling.

The present invention has been made in view of the above, and the present invention can be installed on a bed or the like without paying special attention to both the front and back surfaces, and the linen material or the like can be easily set on both the front and back surfaces. The purpose is to provide a mattress.

In the present invention, in order to solve the above problems, a fixing member capable of substantially diagonally crossing the corner of the mattress body is attached to the peripheral edge of the mattress body, and this fixing member is attached to the corner surface side and the corner of the mattress body. The feature is that it can be fitted to any of the back side of the part.

The mattress body can be a reversible mattress that can be used on both the front and back sides.
Further, the peripheral edge portion of the mattress body can be an intermediate portion in the thickness direction near the corner portion of the mattress body.

In addition, when fixing members are attached to the middle parts in the thickness direction near the four corners of the mattress body and the linen material is layered on either side of the front and back sides of the mattress body, the four corners of the linen material are mattressed. It can also be sandwiched between the main body and a plurality of fixing members.
Further, when the mattress body is folded at least in half and transported, the fixing member is provided with non-stretchability, and the mattress body is folded and transported, the fixing member can be used as a handle.

Further, the mattress body includes at least an elastic cushion material and a side base material that covers the cushion material, and an opening / closing region is formed in at least a part of the peripheral edge portion of the side base material, and the opening / closing region is formed. , A fastener for opening and closing is attached, and both ends of the fixing member are attached to the fastener of the side lumber, so that the fixing member can move the front side or the back surface side of the corner of the side lumber near the corner of the side lumber. It should be installed so that it crosses diagonally.

Further, the cushion material can include at least a high-repulsion layer, a high-hardness layer laminated on the high-repulsion layer, and a low-hardness layer laminated on the high-hardness layer. Examples of this cushioning material include urethane, but other materials (various elastomers and the like) may be used as long as they have similar characteristics such as high resilience.
Further, the side material includes a front side material having a size corresponding to the cushion material and a back surface side material for accommodating at least the cushion material between the front side materials, and these front side materials and the back surface side material. It is preferable that the peripheral portions are joined to each other so as to face each other, and different patterns are applied to the front side ground and the back side ground.

Here, the mattress body within the scope of the claims is laminated in a single-layer structure, a two-layer structure, a three-layer structure, a four-layer structure, a five-layer structure, etc., and is supported by various support tools such as a bed and an examination table. be able to. The mattress body may have the same texture and characteristics on both the front and back sides, or may differ from each other. The "corners" of the mattress body include at least two corners, three corners and four corners. The "middle portion in the thickness direction near the corner" corresponds to a portion other than both ends in the thickness direction near the corner, and at least the central portion in the thickness direction near the corner and the thickness near the corner. It includes both the central part of the direction and the roughly recognized part.

Linen materials include at least sheets, blankets and the like. Further, the cushion material of the mattress body may include a urethane layer or a fiber layer interposed between the high-resilience layer and the high-hardness urethane layer. Further, it is more preferable to provide a high repulsion layer made of an elastomer interposed between the high hardness urethane layer and the low hardness layer. Further, the cushion material may be an elastic mat (urethane mat or the like) that does not use a three-dimensional net-like body.

According to the present invention, the fixing member is not provided near the back corner of the mattress body, but is provided at the peripheral edge of the mattress body and crosses the corner surface side or the corner back side of the mattress body substantially diagonally. In order to maintain the fixing function of the fixing member, it is not necessary to pay particular attention to both the front and back sides of the mattress body and install it on a support tool such as a bed. Further, even when the mattress body is a reversible mattress, the linen material or the like can be fixed to the reversible mattress to prevent the linen material or the like from falling off.

According to the present invention, since the fixing member can be fitted to both the front and back sides of the corner of the mattress body, it can be used as a support tool such as a bed without paying special attention to both the front and back sides of the mattress body. There is an effect that the mattress body can be installed.

It is a side explanatory view which shows typically the embodiment of the mattress which concerns on this invention. It is a perspective explanatory drawing which shows typically the reversible mattress in embodiment of the mattress which concerns on this invention. It is a perspective explanatory drawing which shows typically the reversible mattress which was folded in half in the embodiment of the mattress which concerns on this invention. It is sectional drawing which shows typically the cushion material of the reversible mattress in embodiment of the mattress which concerns on this invention. It is a perspective explanatory drawing which shows typically the 2nd Embodiment of the mattress which concerns on this invention. It is sectional drawing which shows typically the 3rd Embodiment of the mattress which concerns on this invention. It is a side explanatory view which shows the conventional bed and the mattress. It is a perspective explanatory view schematically showing a mattress in which sheets are set. It is a perspective explanatory view which shows the surface side of a mattress. It is a perspective explanatory view which shows the back surface side of a mattress and a plurality of fixed belts. It is a perspective explanatory view which shows the conventional reversible mattress.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 4, the mattress 1 in the present embodiment is a reversible mattress 10 that can be used on both front and back surfaces. There are a plurality of fixing tapes 30 capable of diagonally crossing the front surface or the back surface of the four corners 25 of the reversible mattress 10 in the middle portion in the thickness direction near the four corners 25 which are the peripheral edges of the reversible mattress 10. In addition to being arranged, each fixing tape 30 can be fitted to both the corner front side and the corner back side of the reversible mattress 10, and the fixing tape 30 sandwiches and fixes the corner of the sheets 3. ing.

As shown in FIGS. 1 to 3, the reversible mattress 10 covers at least an excellent elasticity and body pressure dispersibility, a substantially rectangular cushion material 11 that can be folded in half, and the cushion material 11 from both the front and back sides. It is equipped with a side material 20 to wrap, and different textures and characteristics are given to both the front and back sides of the cushion material 11 so that it can meet various needs of users and the like, and both the front and back sides of the cushion material 11 are selected. Used for The reversible mattress 10 is formed in a size of, for example, 210 cm in length × 100 cm in width, 191 cm in length × 91 cm in width, 191 cm in length × 83 cm in width, and is installed on the bed 2.

The cushion material 11 is not particularly limited, but as shown in FIG. 4, the high-resilience urethane layer 12 on the back surface side, which is excellent in body pressure dispersibility and followability, and the high-resilience urethane layer 12 are laminated and adhered. The urethane layer 13 to be formed, the high-hardness urethane layer 14 laminated and bonded on the urethane layer 13, and the high-resilience urethane layer 15 laminated and bonded on the high-hardness urethane layer 14 to support ease of movement. A flexible low-hardness urethane layer 16 on the surface side, which is laminated and adhered on the high-resilience urethane layer 15, is provided in an upper and lower multilayer structure, and is covered and protected by a side material 20 so as to be horizontally installed on the bed 2.

The cushion material 11 is provided with rigid stoppers 17 interposed between the high-resilience urethane layer 12 and the high-hardness urethane layer 14 on both front and rear ends thereof, respectively, and is used for posture stabilization (not shown) on both left and right sides. The hard side edges of each are widely and selectively arranged, and if necessary, they are used upside down (front and back). The low-hardness urethane layer 16 on the surface side of the cushion material 11 is used when the high-resilience urethane layer 12 is not used, for example, when it is desired to wrap the entire body of the user.

On the other hand, the high-resilience urethane layer 12 on the back surface side is used by reversing the reversible mattress 10 when the low-hardness urethane layer 16 is not used, for example, when it is desired to suppress the sinking of the user's body. The high-resilience urethane layer 12 may have a substantially plate-shaped cross section, but may also have a concavo-convex structure having a concavo-convex structure in cross-sectional view. Further, the high-hardness urethane layer 14 functions as an intermediate layer of the cushion material 11 so as to prevent bottoming out on both the front and back surfaces of the reversible mattress 10 when the back is raised. The stopper 17 is formed in a rod shape having a rectangular cross section, and the side edges are formed in a substantially band shape having an uneven surface.

As shown in FIG. 2 and the like, the side material 20 is a front side material 21 having a size corresponding to the cushion material 11 and a back surface side material 22 that accommodates at least the cushion material 11 between the front surface side materials 21. The front surface side ground 21 and the back surface side ground 22 face each other and their peripheral edges are sewn together. The front side ground 21 and the back side ground 22 are each formed into a flat rectangular shape by a material containing polyester, rayon, tricot, cotton, etc., and have different colored patterns from the viewpoint of facilitating the distinction between the front and back sides of the cushion material 11. (For example, orange and light blue, blue and white, etc.) are applied. The front surface side ground 21 and the back surface side ground 22 are in a relationship in which the front surface side ground 21 faces the low-hardness urethane layer 16 of the cushion material 11 and the back surface side ground 22 faces the high-resilience urethane layer 12.

The peripheral edge of the side lumber 20, in other words, the peripheral edge of the front surface side 21 and the back surface side 22 can be opened and closed so that at least a part including a corner can be opened and closed for convenience of replacement of the side lumber 20. A fastener 24 for opening and closing is sewn in the circumferential direction in the opening and closing area 23 formed in the region 23. The opening / closing region 23 is formed over, for example, two adjacent sides, three sides, or both ends of the three sides and the remaining one side among the four sides of the peripheral edge of the side lumber. Further, the opening / closing fastener 24 is sewn so as to be located at or near the central portion of the cushion material 11 in the peripheral surface thickness direction when the side base material 20 covers and protects the cushion material 11.

As shown in FIGS. 1 to 3, each fixing tape 30 is not particularly limited, but from the viewpoint of increasing the fixing force, a tape made of an elastomer having flexibility and elasticity, specifically, a tape made of an elastomer having flexibility and elasticity. It is made of rubber tape, chloroprene rubber, etc., in which urethane resin is coated with polyester resin, and both ends are sewn and integrated with the fastener 24 of the side base material 20, so that it is positioned as a fixing member near the corners of the side base material 20. do. The fixing tape 30 is attached so as to diagonally cross the front surface side or the back surface side of the corner portion of the side lumber 20, and straddles both the corner surface side and the corner back surface side of the side lumber 20 from the vertical direction. It is possible to fit.

The width of the fixing tape 30 is not particularly limited, but is set to about 15 mm to 35 mm, preferably 20 mm to 30 mm, and more preferably about 25 mm from the viewpoint of convenience of manual work. Further, the length of the fixing tape 30 is such that the corners of the hard corners of the cushion material 11, for example, the hard corners of the cushion material 11 are hard so that the sheets 3 are not inadvertently turned over to the opposite side when the sheets 3 are fixed by sandwiching the corners. It is adjusted based on the corner corner of the high hardness urethane layer 14 or the corner corner of the hard side edge.

In view of this point, the shortest length of the fixing tape 30 is set to 360 mm to 380 m, preferably 365 mm to 375 mm, and more preferably about 370 mm. The length of the fixing tape is an example and shall change according to the thickness of the mattress. The ends of the fixing tape 30 are not restricted, but for example, if you want to avoid interference with the mattress stopper, which is an accessory (not shown) of the bed, you can use the corner corners of the hard high-hardness urethane layer 14 or It is sewn at an oblique angle in order to avoid interference with the stop position of the fastener 24 at a distance of about 200 mm from the corner of the hard side edge.

In such a fixing tape 30, when the sheets 3 are set on the low hardness urethane layer 16 side of the reversible mattress 10, the corners of the sheets 3 are placed between the high repulsion urethane layer 12 side of the reversible mattress 10 corners. It functions to tension and fix the sheets 3 that are sandwiched between the sheets and that cover the low hardness urethane layer 16 side. On the other hand, when the sheets 3 are set on the high-resilience urethane layer 12 side, the corners of the sheets 3 are sandwiched between the low-hardness urethane layer 16 side of the reversible mattress 10 corners, and the high-resilience urethane layer is held. The sheets 3 covering the 12 side are tensioned and fixed.

The fixing tape 30 is selectively used as an operation handle when the reversible mattress 10 is folded and conveyed. In this case, if the fixing tape 30 is stretched, the pulling work and lifting work of the reversible mattress 10 may be hindered. Therefore, the material of the fixing tape 30 is changed from the viewpoint of preventing aging. Specifically, it is formed in a strip shape by a non-stretchable nylon tape, polyester tape, woven tape, or the like that hardly stretches.

In the above configuration, when the reversible mattress 10 is simply installed on the bed 2, the reversible mattress 10 can be set on the bed 2 by stacking the reversible mattress 10 on the bed 2 and correcting the front, rear, left and right positions. At this time, if necessary, the dehumidifying sheets can be stacked on the bed 2, and the reversible mattress 10 can be stacked and set on the dehumidifying sheets. If you want to pay attention to the characteristics of the front and back surfaces of the reversible mattress 10, you can select the front and back surfaces appropriately by paying attention to the different colored patterns of the front surface side ground 21 and the back surface side ground 22 of the side material 20. The reversible mattress 10 can be installed.

Next, when the sheets 3 are set on the reversible mattress 10 with the low-hardness urethane layer 16 on the surface facing upward to make a bed, first, the back side of the four corners 25 of the reversible mattress 10, in other words, the four corners 25. The fixing tapes 30 are pulled down and fitted to the high-resilience urethane layer 12 side, and the sheets 3 are spread and stacked evenly on the low-hardness urethane layer 16 side of the surface of the reversible mattress 10. At this time, if necessary, the mattress protector and the bed pad may be sequentially laminated on the low-hardness urethane layer 16 side of the surface of the reversible mattress 10, and the sheets 3 may be spread and stacked evenly on the left and right sides of the bed pad.

After the sheets 3 are spread out and stacked, the peripheral edge of the sheets 3 is wrapped around the back side of the slightly lifted reversible mattress 10, and the peripheral edge of the sheets 3 is folded and sandwiched between the bed 2 and the back surface side of the reversible mattress 10. If the four corners of the sheets 3 are sandwiched and fixed between the back surfaces of the four corners 25 of the reversible mattress 10 and the fixing tape 30, the bed 2 can be arranged to prevent the sheets 3 from coming off or wrinkling.

On the other hand, when the sheets 3 are set on the reversible mattress 10 in which the high-resilience urethane layer 12 on the back surface is inverted upward to make a bed, first, the four corners 25 on the front surface side of the reversible mattress 10, in other words, the four corners. The fixing tape 30 is pulled down and fitted to the low-hardness urethane layer 16 side of the portion 25, and the sheets 3 are spread and stacked evenly on the left and right sides of the reversible mattress 10 on the high-resilience urethane layer 12 side. Also at this time, the mattress protector and the bed pad can be sequentially laminated on the high-resilience urethane layer 12 side of the surface of the reversible mattress 10, and the sheets 3 can be spread and stacked evenly on the left and right sides of the bed pad.

After the sheets 3 are unfolded and stacked, the peripheral edge of the sheets 3 is wrapped around the surface side of the slightly lifted reversible mattress 10, and the peripheral edge of the sheets 3 is folded and sandwiched between the bed 2 and the surface side of the reversible mattress 10. After that, if the four corners of the sheets 3 are sandwiched and fixed between the four corners 25 surface of the reversible mattress 10 and the fixing tape 30, bed-making can be performed to prevent the sheets 3 from coming off or wrinkling.

According to the above configuration, the fixing tape 30 is not arranged near the four corners on the back surface of the reversible mattress 10, but is arranged at the middle portion in the thickness direction near the four corners 25 of the reversible mattress 10, so that the fixing tape 30 is arranged. It is not necessary to pay particular attention to both the front and back surfaces of the reversible mattress 10 and install it on the bed 2 in order to exert the fixing function on the 30. Therefore, the installation work of the reversible mattress 10 can be simplified, speeded up, and facilitated. Further, even when the mattress 1 is a reversible mattress 10, unlike the conventional case, the sheets 3 can be fixed and the sheets 3 can be prevented from coming off or wrinkles. These effects are extremely significant in medical facilities and long-term care facilities that use a large number of beds 2.

In addition, since different characteristics are given to both the front and back sides of the reversible mattress 10 so that it can meet the diverse needs of users and care workers, it is possible to use the front and back sides of the reversible mattress 10 properly according to the needs. can. For example, if the high-resilience urethane layer 12 of the cushion material 11 is used, for example, it is possible to suppress the sinking of the user's body and maintain a natural sleeping posture. On the other hand, if the flexible low-hardness urethane layer 16 of the cushion material 11 is used, it is possible to wrap the entire body so that the posture does not collapse while dispersing the body pressure of the user.

Further, when the reversible mattress 10 is folded and transported, the fixing tape 30 for the sheets 3 functions as a handle for operation, so that it is not necessary to dare to attach a dedicated handle to the long side of the peripheral edge of the reversible mattress 10. Therefore, it can be greatly expected that the configuration of the reversible mattress 10 will be simplified by reducing the number of parts. Further, if the fixing tape 30 is made non-stretchable, it is possible to prevent the fixing tape 30 from deteriorating over time, and the reversible mattress 10 comes into contact with the floor surface to be contaminated during pulling work or lifting work of the reversible mattress 10. It is possible to eliminate the fear.

Next, FIG. 5 shows a second embodiment of the present invention. In this case, the reversible mattress 10 is not composed of the cushion material 11 and the side material 20, but is on the side of the reversible mattress 10. The base material 20 is omitted, and the fixing tapes 30 are directly arranged at the substantially central portions in the thickness direction near the four corners of the peripheral surface of the cushion material 11.

Each fixing tape 30 is directly adhered to a substantially central portion in the thickness direction in the vicinity of the four corners of the peripheral surface of the high-hardness urethane layer 14 of the cushion material 11. Since the other parts are the same as those in the above embodiment, the description thereof will be omitted.
It is clear that the same action and effect as those of the above embodiment can be expected in this embodiment, and that the configuration of the reversible mattress 10 can be simplified and the cost can be reduced by omitting the side material 20.

Next, FIG. 6 shows a third embodiment of the present invention. In this case, the cushioning material 11 is provided with a high-resilience urethane layer 12 on the back surface side, which is excellent in body pressure dispersibility and followability, and the height thereof. A three-dimensional network layer 18 that is laminated and bonded on the repulsive urethane layer 12 to improve heat resistance, chemical resistance, body pressure dispersibility, etc., and a high-hardness urethane layer 14 that is laminated and bonded on the three-dimensional network layer 18. From the high-resilience urethane layer 15 that is laminated and bonded on the high-hardness urethane layer 14 to support ease of movement, and the flexible low-hardness urethane layer 16 on the surface side that is laminated and bonded on the high-repulsion urethane layer 15. It is constructed in a multi-layered structure with five upper and lower layers. Since the other parts are the same as those in the above embodiment, the description thereof will be omitted.

In this embodiment as well, the same effects as those in the above embodiment can be expected, and since the three-dimensional network layer 18 is adopted instead of the urethane layer 13, it is clear that the configuration of the cushion material 11 can be expected to be diversified. be.

In the above embodiment, the corners of the sheets 3 are sandwiched between the reversible mattress 10 and the fixing tape 30, but the present invention is not limited to this. For example, even if the reversible mattress 10 and the fixing tape 30 are fixed by sandwiching the bottom portion of the bed 2 for medical treatment or nursing care that swings in the vertical direction to improve the followability at the time of gatch-up. good. Further, the mattress 1 or the reversible mattress 10 may be an air mattress or the like having the same texture, characteristics, and flatness on both the front and back surfaces.

Further, the cushion material 11 may be configured as a two-layer structure from a high-resilience urethane layer 12 on the back surface side and a low-hardness urethane layer 16 laminated on the high-resilience urethane layer 12, if necessary. Further, the cushion material 11 is laminated on the high-repulsion urethane layer 12 on the back surface side, the high-hardness urethane layer 14 laminated on the high-repulsion urethane layer 12, and the high-hardness urethane layer 14 as needed. It can be configured into a three-layer structure from the low-hardness urethane layer 16.

Similarly, the cushioning material 11 is laminated on the high-resilience urethane layer 12 on the back surface side, the high-hardness urethane layer 14 laminated on the high-resilience urethane layer 12, and the high-hardness urethane layer 14. It is also possible to form a four-layer structure from the urethane layer 15 and the low-hardness urethane layer 16 on the surface side laminated on the high-resilience urethane layer 15.

Further, the side lumber 20 includes a wiping type having excellent chemical resistance, a ventilation type having excellent breathability and water permeability, and the like, and any type can be selected. Further, the length of the fixing tape 30 is adjusted based on the corner corners and the like of the hard high-hardness urethane layer 14 of the cushion material 11, but the length is not limited thereto. For example, it is possible to make adjustments based on the corners of the high-hard layer of the cushion material 11 located at the corners of the reversible mattress 10.

Further, since the numerical value related to the fixing tape 30 is a value when the predetermined bed or the reversible mattress 10 is targeted, it can be appropriately changed when the predetermined bed 2 or the reversible mattress 10 is not targeted. Therefore, when the predetermined bed 2 and the reversible mattress 10 are not targeted, the shortest length of the fixing tape 30 can be out of the range of 360 mm to 380 m. Further, the end portion of the fixing tape 30 may be separated from the corner corner of the high hardness urethane layer 14 or the corner corner of the hard side edge by about 160 mm, about 180 mm, about 220 mm, and about 240 mm, if necessary. ..

Further, the above-mentioned size is an example in this embodiment, and it goes without saying that it varies depending on the mattress 1 or the like applied. For example, the preferable length and width may change depending on the thickness of the mattress 1 and the position of the fixing tape 30.

The mattress according to the present invention is used in fields such as medical treatment, long-term care, and welfare.

1 mattress 2 bed 3 sheets (linen material)
10 reversible mattress (mattress body, mattress)
11 Cushion material 12 High-resilience urethane layer (high-resilience layer)
13 Urethane layer 14 High hardness urethane layer (high hardness layer)
15 High-resilience urethane layer 16 Low-hardness urethane layer (low-hardness layer)
17 Stopper 18 Three-dimensional net-like layer 20 Side base material 21 Front side ground 22 Back side ground 23 Opening / closing area 24 Fastener 25 Four corners 30 Fixing tape (fixing member)

Claims (8)

A fixing member that can cross the corner of the mattress body approximately diagonally is attached to the peripheral edge of the mattress body, and this fixing member can be fitted to both the corner front side and the corner back side of the mattress body. ,
The mattress body includes at least an elastic cushioning material and a side material that covers the cushioning material, and an opening / closing area is formed in at least a part of the peripheral edge of the side material, and the opening / closing area is opened / closed. By attaching both ends of the fixing member to the fastener of the side material, the fixing member diagonally tilts the front side or the back side of the corner of the side material near the corner of the side material. mattress characterized that you attached to cross. The mattress according to claim 1, wherein the mattress body is a reversible mattress that can be used on both the front and back sides. The mattress according to claim 1 or 2, wherein the peripheral edge of the mattress body is an intermediate portion in the thickness direction near the corner of the mattress body. When fixing members are attached to the middle part in the thickness direction near the four corners of the mattress body and the linen material is layered on either side of the front and back sides of the mattress body, the four corners of the linen material are combined with the mattress body. The mattress according to any one of claims 1 to 3, which is sandwiched between a plurality of fixing members. Any of claims 1 to 4 in which the mattress body is folded in at least in half so that it can be transported, the fixing member is provided with non-stretchability, and the fixing member is used as a handle when the mattress body is folded and transported. The mattress described in item 1. The cushioning material according to any one of claims 1 to 5, wherein the cushioning material includes at least a high-resilience layer, a high-hardness layer laminated on the high-repulsion layer, and a low-hardness layer laminated on the high-hardness layer. The listed mattress. The side material includes a front side material having a size corresponding to the cushion material and a back surface side material for accommodating at least the cushion material between the front surface side materials, and the front surface side material and the back surface side material face each other. The mattress according to any one of claims 1 to 6, wherein the peripheral portions thereof are joined to each other and different patterns are applied to the front surface side and the back surface side. It is a side material for a mattress in which the side material on the front surface and the side material on the back surface face each other and the peripheral edges of the side materials are combined with each other.
A fixing member capable of crossing the corner of the side lumber substantially diagonally is attached to the peripheral edge portion, and this fixing member is attached to both the front surface side of the corner portion of the side lumber and the back surface side of the corner portion. It can be fitted and
An opening / closing area is formed in at least a part of the peripheral edge portion, and an opening / closing fastener is attached to this opening / closing area.
By attaching both ends of the fixing member to the fastener, the fixing member is attached in the vicinity of the corner so as to diagonally cross the front surface side of the corner or the back surface side of the corner. Side material for mattresses.

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