KR101899145B1 - Bedding - Google Patents

Abstract

It is possible to easily adjust the thickness while suppressing labor and cost for manufacturing, thereby providing bedding and a cushion that are comfortable for each user.
A suction and discharge valve provided in the bag body (2) for opening and closing the air flow inside and outside the bag body (2) And a plurality of elastic foams (5) filled in a compressed state with respect to the elastic foam (5). The bag body (2) is configured such that the air flow is opened by the intake and exhaust valve so that the air flows into the internal space and becomes thick, and an external force is given to the bag body (2) And the thickness of the elastic foam 5 is adjusted so that the volume of the bag body 2 becomes the maximum capacity when the bag body 2 is compressed to a compression ratio of 1.5 to 5.8, .

Description

Bedding {Bedding}

The present invention relates to a bedding and a cushion for lifting a user's body.

The bedding enables the user to relax by lifting and deforming the user's body. Particularly, the pillow is placed between the head and the neck and the bedding by lifting the head and the neck of the user, thereby making the user's body natural and resting the user comfortably. Also, when the person stands upright, the shape of the spine is gentle S-shaped, and it is ideal that the sleeping tries to maintain the shape of the backbone. Therefore, it has been conventionally performed to previously measure the shape of the head and neck when the user stands upright, and to manufacture a pillow suitable for the user by using the measurement result.

Patent Document 1 discloses a tubular body formed by housing an elastic foam made of polyurethane or the like in a bag-shaped, non-breathable membrane body. The carbon brush body is a resilient bedding, and is a generic term such as a pillow, a cushion, or a yaw. The elastic foam is a foam having elasticity, and as the elastic foam, a fiber agglomerate or a granular aggregate or the like is used. Further, the bag-shaped body is provided with an intake and exhaust valve that allows air to flow in and out. In the tubular body described in Patent Document 1, the thickness is adjusted by opening the intake and exhaust valves, and the thickness is maintained by closing the intake and exhaust valves.

Patent Document 1: JP-A-2008-113789

As described above, when the bedding suitable for the user is manufactured by using the measurement results of the head part and the neck part, it is possible to provide a bedding having a comfortable sleeping feeling suitable for each user. However, in this case, since it is necessary to manually produce the bedding one by one according to the characteristics of the user, it takes time to manufacture the bedding and the cost is high.

On the other hand, in the bedding described in the above-mentioned publication, since the thickness is adjusted by opening and closing the intake and exhaust valves, the thickness of the bedding can be adjusted by the user. However, since this bedding has a structure in which the elastic foam is accommodated in the film body, the thickness of the bedding rapidly changes due to the opening of the intake and exhaust valve. That is, since the bedding is rapidly thickened or thinned, it is difficult to finely adjust the thickness, and it is difficult to know whether the bedding is the optimum thickness for the user. Therefore, there is a problem that the user can not effectively use the thickness adjusting function, and as a result, it is not possible to provide bedding having a comfortable sleeping feeling.

An object of the present invention is to provide a bedding and a cushion which are easy to adjust the thickness while suppressing the labor and cost of manufacturing and are comfortable for each user.

A bedding according to one aspect of the present invention includes a non-breathable bag body, an opening / closing part provided in the bag body for opening and closing air flow inside and outside the bag body, And the bag body is opened by the opening and closing part so that air is introduced into the inner space and becomes thick, and when the air circulation is opened, the bag body The elastic foam is filled in the bag so that the volume thereof is compressed to a compression ratio of 1.5 to 5.8 when the bag becomes the maximum capacity.

In the bedding according to one aspect of the present invention, the thickness of the bedding can be made to a desired thickness by the user operating the opening / closing part by himself / herself. Therefore, since it is not necessary to manufacture the bedding according to the characteristics of the user, it is possible to suppress the labor and cost of the bedding production. Further, in the bedding according to one aspect of the present invention, the plurality of elastic foamed bodies are filled so that the volume thereof is compressed to a compression ratio of 1.5 to 5.8 when the bag body reaches its maximum capacity. Therefore, when an external force is applied to the bag body to make the bedding thin, a repulsive force by a plurality of compressed elastic foams is generated. As described above, when an external force is applied to the bag body, a repulsive force due to the elastic foam is generated, so that the bedding can be slowly thinned. Further, when air is introduced into the bag body to thicken the bedding, the inflow air passes between the compressed elastic foam and slowly enters the inner space of the bag body. Therefore, the inflow of air into the inner space of the bag body can be performed slowly, and the bedding can be slowly thickened. As described above, since the bedding can be gradually thinned or thickened, fine adjustment of the thickness can be easily performed. Therefore, it is easy to know whether the bedding is the optimum thickness for the user, and the user can effectively use the thickness adjusting function, so that it is possible to provide bedding having a comfortable sleeping feeling suitable for each user.

A bedding according to another aspect of the present invention is a bedding comprising a non-breathable bag, an opening and closing part provided in the bag for opening and closing the air circulation inside and outside the bag, The bag body is filled with the elastic foam, and the bag body is opened by the opening and closing part to allow the air to flow into the internal space, thereby increasing the external force from the internal space The thickness is adjusted by thinning out the air, the recessed speed indicating the amount of thinning per unit time is 0.62 cm / s or more and 2.00 cm / s or less, and the returning speed indicating the amount of thickening per unit time 0.29 cm / s or more and 0.73 cm / s or less.

In the bedding according to another aspect of the present invention, since the thickness of the bedding can be made a desired thickness by the user by operating the opening / closing part by himself / herself, the labor and cost for manufacturing can be suppressed like the bedding described above. Also, in this bedding, the denting rate indicating the amount of thinning per unit time is 0.62 cm / s or more and 2.00 cm / s or less, and the returning speed indicating the amount of thickening per unit time is 0.29 cm / s or more and 0.73 cm / Or less. Here, if the recessing speed is less than 0.62 cm / s or the returning speed is less than 0.29 cm / s, it is difficult to know whether the thickness of the bedding is being adjusted because the speed is too slow. In addition, when the recessed speed is faster than 2.00 cm / s or the returning speed is faster than 0.73 cm / s, the speed is too fast, which makes it difficult to fine-tune the thickness adjustment operation. On the other hand, in the bedding according to another aspect of the present invention, the pit speed is from 0.62 cm / s to 2.00 cm / s or less, and the return speed from 0.29 cm / s to 0.73 cm / So that the user can easily feel comfortable sleeping.

The elastic foam is packed in a compressed state in each of the regions defined by the partition, and the partition has a vent portion through which the air in the inner space flows between the regions . In this case, the partitioning portion divides the inner space of the bag body, and each of the regions partitioned by the partitioning portion is filled with a plurality of elastic foamed bodies in a compressed state. Therefore, since the elastic body expands by the force acting on the bag body, the bag body has a swollen shape with the partition as a starting point. Accordingly, the body of the user is raised on the plurality of bulge portions, so that the user's sleeping feeling can be improved. Further, by the partition portion having the vent portion, the air flows between a plurality of regions partitioned by the partition portion. Therefore, it is possible to adjust the thickness of the bedding to a plurality of regions by spreading the air between the plurality of regions.

The elastic foam may have a rectangular parallelepiped shape. By forming the elastic foam in this rectangular parallelepiped shape, it is possible to easily manufacture and process the elastic foam.

Further, a hole may be formed in at least one surface of the elastic foam. In this case, by forming a hole in at least one surface of the elastic foam, the elastic foam can be made flexible, and the speed at which the elastic foam is recessed and the speed at which the elastic foam is swollen can be slowed down.

In addition, the elastic foam may be in the form of a cuboid having a length of one side of 3 mm or more and 100 mm or less. By making the shape of the elastic foam to be a cuboid shape in this manner, the production and processing of the elastic foam can be further facilitated. In addition, by setting the length of one side of the elastic foam contained in the bag to 3 mm or more and 100 mm or less, the feeling of the bag can be improved and the work for accommodating the elastic foam in the bag can be efficiently performed.

When the opening / closing part is rotated in one direction, the air circulation is opened. When the opening / closing part is rotated in the other direction opposite to the one direction, the air circulation may be blocked . By making the opening / closing part protrude from the bag body and enabling the opening / closing part to rotate, the thickness can be adjusted simply by holding the opening / closing part with one hand. Further, since it is possible to adjust the thickness in a state in which a part of the user's body is put on the bedding, the thickness of the bedding can be adjusted more easily.

It is also possible to provide a strap made of a cloth covering the bag body. By thus covering the bag body with a cloth-like envelope, the user's body is brought into contact with a cloth bag made of cloth. Therefore, the feel of the bedding can be improved regardless of the material of the inner bag body. Further, since the breathability of the bedding can be improved by making the bedding cloth, it is also possible to suppress sweating when the bedding is used.

Further, the envelope has an inner pocket, and a plurality of granular bodies may be accommodated in the inner pocket. In this case, it is possible to further improve the feeling of touch when the sleeve is brought into contact with the outside, thereby contributing to further improvement of sleeping comfort.

A cushion according to one aspect of the present invention comprises a non-breathable bag, an opening and closing part provided in the bag for opening and closing the air circulation inside and outside the bag, The bag body is filled with the elastic foam, and the bag body is opened by the opening and closing part to allow the air to flow into the internal space, thereby increasing the external force from the internal space The thickness of the elastic foam is adjusted by allowing the air to flow out and thinned. The plurality of elastic foam is filled in the bag so that the volume of the bag becomes a compression ratio of 1.5 to 5.8 when the bag has reached its maximum capacity. Since this cushion has the same structure as the bedding according to one aspect of the present invention, the same effect as that of the bedding can be obtained.

According to another aspect of the present invention, there is provided a cushion comprising: a non-breathable bag; an opening / closing portion provided in the bag for opening and closing the air circulation inside and outside the bag; The bag body is filled with the elastic foam, and the bag body is opened by the opening and closing part to allow the air to flow into the internal space, thereby increasing the external force from the internal space The thickness is adjusted by thinning out the air, the recessed speed indicating the amount of thinning per unit time is 0.62 cm / s or more and 2.00 cm / s or less, and the returning speed indicating the amount of thickening per unit time 0.29 cm / s or more and 0.73 cm / s or less. Since the cushion has the same structure as the bedding according to the other aspect of the present invention, the same effect as that of the bedding can be obtained.

In the above-mentioned cushion, the elastic foam may have a rectangular parallelepiped shape, and a hole may be formed in at least one surface of the elastic foam. In this case, the same effect as that of the bedding described above can be obtained.

According to the present invention, it is possible to easily adjust the thickness while suppressing the labor and cost for manufacturing, and it is possible to provide a bedding and a cushion having a comfortable sleeping feeling suitable for each user.

1 is a perspective view showing an appearance of a bedding according to the first embodiment.
Fig. 2 (a) is a cross-sectional view taken along the line IIA-IIA in Fig. 1, Fig. 2 (b) is a perspective view showing an elastic foam, and Fig. 2 (c) is a perspective view showing a pipe material.
3 is a perspective view showing a bag body.
4 (a) is a side view showing an open / close part in a closed state, and (b) is a side view showing an open / closed part in an open state.
Fig. 5 (a) is a plan view showing a strap, and Fig. 5 (b) is a bottom view showing a strap.
Fig. 6A is a perspective view showing the outer side of the bedding of the bedding according to the second embodiment, and Fig. 6B is a perspective view showing the back side of the bedding of Fig.
Fig. 7A is a perspective view showing the appearance of the cushion according to the third embodiment, and Fig. 7B is a sectional view taken along the line VIIB-VIIB in Fig. 7A.
FIG. 8A is a cross-sectional view for explaining an experiment of bedding, which is a view immediately before the measurement apparatus is put up, FIG. 8B is a cross-sectional view for explaining an experiment of a bedding, Fig.
FIG. 9 is a chart summarizing experiments for measuring various heights, time, and speeds by changing compression ratios.
10 is a table summarizing experiments for measuring various heights, time, and speeds by changing compression ratios.

Best Mode for Carrying Out the Invention Hereinafter, preferred embodiments of a bedding and a cushion according to the present invention will be described in detail with reference to the drawings. Hereinafter, the pillow 1 which is an example of the bedding according to the present invention will be described.

(First Embodiment)

As shown in Fig. 1, the pillow 1 according to the present embodiment has a shape in which both sides are swollen, and between the inflated portions 1a and 1b (i.e., between the left side portion 1a and the right side portion 1b), the user's head and neck are raised. The recessed portion is divided into a portion 1c for lifting the neck, a portion 1d for lifting the occiput, and a portion 1e for lifting the head 2 in order from the front. The inflated portions 1a and 1b on both sides are portions for raising the face of the user laid sideways. In addition, although the pillow 1 is symmetrical in the left and right, it may not be symmetrical.

Further, the pillow 1 can adjust the height of the pillow 1 by using air. That is, the pillow 1 is adjustable in thickness by adjusting the amount of air enclosed therein. The pillow (1) is adjusted in height and speed by sinking the user's head and neck, and the height and speed of returning when the head and neck are removed.

In the following description, the direction in which the thickness direction of the pillow 1 is arranged in the thickness direction, the portion 1c where the neck portion is raised, the portion 1d where the rear head portion is raised and the portion 1e where the two portions are raised is referred to as the longitudinal direction , And the direction orthogonal to both the thickness direction and the longitudinal direction is referred to as a transverse direction. In addition, a portion 1e for lifting the two portions is provided to the portion 1c for lifting the neck portion in front of the portion 1c on which the neck portion is placed with respect to the portion 1e for lifting the two portions Let's turn inside. These directions are merely for convenience of explanation and do not limit the scope of the present invention.

The pillow 1 is provided with an envelope 3 made of a cloth constituting the surface of the pillow 1 and an intake and exhaust valve (opening and closing part) 4 for opening and closing the air circulation inside and outside the pillow 1. 2, the bag body 2 is accommodated in the envelope 3, and the plurality of elastic foam bodies 5 are compressed in the bag body 2 with respect to the maximum capacity of the bag body 2 Is filled with the state. Further, the elastic foam 5 maintains the compressed state even when a maximum amount of air is poured into the pillow 1. The elastic foam 5 functions as a filling material (core material) of the bag body 2.

Here, the "plurality of elastic foamed bodies (5)" refers to the number of elastic foamed bodies (5) to such an extent as to be able to enter and compress the inside of the bag body (2) completely. The number of the elastic foams 5 filled in the bag body 2 is, for example, 200 or more and 30,000 or less. The plurality of elastic foamed bodies 5 are filled in the bag body 2 having the maximum capacity in a state where the volume thereof is compressed to a compression ratio of about 1.5 to 5.8. Here, the " compression ratio " indicates the ratio of the total volume of the plurality of elastic foamed bodies 5 in the uncompressed state and the compressed state inside the bag body 2. The filling of the elastic foam 5 into the bag body 2 may be performed manually or by a machine such as a short gun or the means for filling the elastic body 5 with the bag body 2 is particularly limited It does not.

The elastic foam 5 has a rectangular parallelepiped shape in a state of being not filled with the bag body 2 at room temperature under normal pressure, and preferably has a shape in which foamed urethane is formed into a cubic shape (dice shape). The elastic foam 5 is also referred to as dice urethane. The foamed urethane constituting the elastic foam 5 has such a property that the surface tension is large and is easily pulled and deformed. In addition, since air is contained in each elastic foam 5, the elastic foam 5 can be compressed and expanded.

The length of one side of the elastic foam 5 in the case where the shape of the elastic foam 5 in the non-compressed state is a cubic shape is preferably 3 mm or more and 50 mm or less. When the bedding according to the present invention is not a pillow 1 but a mattress, for example, the length of one side of the elastic foam is preferably 3 mm or more and 100 mm or less. The density of the elastic foam 5 is 20 kg / m 3 or more and 90 kg / m 3 or less, and the hardness of the elastic foam 5 is 15 N or more and 120 N or less. Such density and hardness are in accordance with JIS K6401. The weight of the elastic foam 5 filled in the bag body 2 is, for example, 270 g, but it can be suitably changed.

The envelope 3 is provided with an inner pocket 7 on its inner surface, and a plurality of pipe members 6 are accommodated in the inner pocket 7. Here, the "plurality of pipe members 6" refers to the number of pipe members 6 that can be accommodated in the inner pocket 7 without remaining. Further, the pipe member 6 has a cylindrical shape, for example, a hollow pipe made of polyethylene. However, the material of the pipe material 6 is not limited to polyethylene, and for example, polystyrene, polyester, polyolefin or polyurethane may be used. The diameter of the pipe member 6 is, for example, 2 mm or more and 20 mm or less, and the length of the pipe member 6 in the axial direction is, for example, 5 mm or more and 20 mm or less.

Here, if the face is accommodated in the inner pocket 7 instead of the pipe material 6, the envelope 3 is easily deformed. However, in the present embodiment, the pipe member 6 is accommodated in the inner pocket 7 of the cloth envelope 3 to improve the fluidity of the pipe member 6 and to suppress the excessive deformation of the envelope 3 .

As shown in Fig. 3, the bag body 2 has a flat, transversely long rectangular parallelepiped shape, and is made of a non-breathable sheet. As the material of the bag body 2, a vinyl material such as PVC may be used. However, the material of the bag body 2 is not limited to PVC, and for example, polyurethane or polyester may be used. The bag body 2 is formed, for example, by thermally adhering one non-breathable sheet with a high frequency welding machine. In addition, the bag body 2 may be formed by pasting the non-breathable sheet with an adhesive. In addition, the bag body 2 may be provided with a silver metallic design or the like so as to be transparent but not visible.

The inner space 2q of the bag body 2 is divided into five portions. That is, the bag body 2 forms the region 2a forming the inflated portion 1a on the left side of the pillow 1 and the inflated portion 1b on the right side of the pillow 1 A region 2b forming a region of the pillow 1 in which the neck portion 1c of the pillow 1 is to be formed and a region 2d forming a portion 1d where the rear head portion is to be raised; And a region 2e forming the portion 1e.

As described above, the bag body 2 has a plurality of regions 2a to 2e filled with the elastic foam 5 therein, and the elastic foam 5 is compressed in each of the regions 2a to 2e State. Thereby, the inflated state of each of the portions 1a to 1e of the pillow 1, the sinking speed of the pillow 1 (the depressed speed), and the returning speed of the pillow 1 are determined. Here, the sinking speed (pitting speed) indicates the amount by which the pillow 1 is thinned per unit time by placing the occipital region on the pillow 1, and the speed at which the pillow 1 is pulled back is the distance from the pillow 1, Thereby indicating that the pillow 1 becomes thicker per unit time.

It is also possible to adjust the shapes of the respective portions 1a to 1e of the pillow 1 in the initial state by adjusting the amount of the elastic foam 5 filled in each of the regions 2a to 2e of the bag body 2 . In addition, by filling each of the divided regions 2a to 2e with a predetermined number of the elastic foam 5, it is possible to provide the pillow 1 which is more suitable for the user and is comfortable to sleep.

In this embodiment, the sinking speed of the pillow 1 is 0.62 cm / s (cm / sec) to 2.00 cm / s, more preferably 0.80 cm / s to 1.10 cm / s. The returning speed of the pillow 1 is 0.29 cm / s or more and 0.73 cm / s or less, and more preferably 0.40 cm / s or more and 0.60 cm / s or less.

After filling each of the regions 2a to 2e of the bag body 2 with the elastic foam 5, the bag body 2 is sealed by subjecting the bag body 2 to thermal sealing. However, the method of sealing the bag body 2 is not limited to the heat sealing. For example, pockets may be provided in each of the regions 2a to 2e, or the bag 2 may be sealed by filling the regions 2a to 2e inside the pockets with the elastic foam 5 and then closing the pockets. The structure or means for filling the elastic foam 5 in each of the regions 2a to 2e can be appropriately changed.

In the present embodiment, the amount of the elastic foam 5 is adjusted so as to lower the portions 1c to 1e where the head and neck portions of the user are placed, and to raise the portions 1a and 1b on both sides in the transverse direction . That is, by increasing the density of the elastic foam 5 filled in the regions 2a and 2b as compared with the regions 2c to 2e, the portions 1a and 1b are made higher than the portions 1c to 1e. By making the portions 1a and 1b on both sides in the transverse direction higher than the portions 1c to 1e in this manner, the portions 1a and 1b on both sides in the transverse direction are made cushion of the face when the user turns his head sideways.

The bag body 2 has four compartments 2f, 2g, 2h and 2j for partitioning the above-mentioned respective regions 2a to 2e. The partitioning portions 2f, 2g, 2h, and 2j are formed, for example, by thermally adhering a non-breathable sheet to the inside of the bag body 2. [

The dividing section 2f divides the left region 2a of the bag body 2 and the regions 2c to 2e located at the center in the widthwise direction of the bag body 2, The right side region 2b and the regions 2c to 2e of the first substrate 2 are partitioned. All of the dividing sections 2f and 2g are plate-shaped extending over the entire area of the bag body 2 in the longitudinal direction.

The partitioning section 2f is provided with a ventilation opening (venting section) 2k for allowing air to flow through the area 2a and the areas 2c to 2e. The ventilation opening 2k is divided into five . The partitioning portion 2g is provided with a ventilation hole 2m for allowing air to flow between the region 2b and the regions 2c to 2e and the ventilation holes 2m are also arranged in the vertical direction . The air vents 2k and 2m all pass in the lateral direction. The shape of the air vents 2k and 2m is, for example, circular, but is not limited thereto and may be, for example, a quadrangular shape. In addition, the number of vents 2k, 2m is not limited to five, and can be changed appropriately.

The partition portion 2h extends in the lateral direction between the left side region 2a and the right side region 2b and divides the region 2c in which the neck is raised and the region 2d in which the occiput is raised. The partition 2j extends in the lateral direction in the same manner as the partition 2h and divides the area 2d where the rear head is raised and the area 2e where the two heads are raised.

Openings (vent portions) 2n are provided on both lateral sides of the partition portion 2h and similar openings 2p are provided on both lateral sides of the partition portion 2j. The opening 2n allows the air to flow through the region 2c where the throat is raised and the region 2d where the occiput is raised. The opening 2p is divided into a region 2d where the occipital area is raised and a region (2e). The openings 2n and 2p are large enough not to allow the elastic foam 5 to pass therethrough and only air can pass through the openings 2n and 2p.

A sucking and discharging valve 4 is provided at the left end of the bag body 2. The sucking and discharging valve 4 is provided in front of the left region 2a. As the material of the intake and exhaust valve 4, for example, PVC or polyurethane can be used. It is preferable that the material of the intake and exhaust valve 4 is the same as the material of the bag body 2. [ In this case, in the process of manufacturing the pillow 1, the intake and exhaust valve 4 can be easily attached to the bag body 2. [

4, the intake and exhaust valve 4 includes a mounting portion 4a mounted on the opening 2s of the bag body 2 and a cylindrical portion 4b which is vertically movable with respect to the mounting portion 4a by rotation, And a lid portion 4b. The mounting portion 4a has a fixing portion 4c to be fixed to the opening 2s of the bag body 2 and a receiving portion 4d to be positioned on the opposite side of the bag body 2 from the fixing portion 4c.

As shown in Figs. 4A and 4B, the intake and exhaust valve 4 is of a rotary type, and can be opened and closed by opening and closing the opening 2s of the bag body 2 by being rotated by the user . By opening and closing the intake and exhaust valve 4, the amount of air inside the pillow 1 is adjusted and the height of the pillow 1 is adjusted.

Specifically, the lid portion 4b is raised with respect to the receiving portion 4d by rotating the lid portion 4b in one direction (for example, counterclockwise) with the center axis L as the center, The opening 2s of the bag body 2 is opened as the bag body 4b rises. The lid portion 4b is lowered by the rotation of the lid portion 4b in the other direction (for example, clockwise) with the center axis L as the center, and the lid portion 4b is supported by the receiving portion 4d The opening 2s of the bag body 2 is closed.

In addition, the height of the intake and exhaust valve 4 with respect to the opening 2s of the bag body 2 is suppressed. Specifically, the height of the intake and exhaust valve 4 is about 15.5 mm, whereas the height of the conventional intake and exhaust valve is about 40.0 mm. By suppressing the height of the intake and exhaust valves 4 by setting the height of the intake and exhaust valves 4 to be less than 40.0 mm as described above, it is possible to suppress the situation that the user's body or the like touches or suffers from the intake and exhaust valves 4. The material and shape of each component constituting the intake and exhaust valve 4 are not limited to those described above and may be any other material or shape as long as the air flow inside the bag body 2 can be opened and closed.

As shown in Figs. 5 (a) and 5 (b), the envelope 3 made of a cloth covering the bag body 2 has a rectangular shape elongated transversely. As the envelope 3, a material having good air permeability is used. Concretely, as the material of the envelope 3, for example, cotton or polyester can be used.

The envelope 3 has a bag-like portion for accommodating the bag body 2 and has the aforementioned inner bag 7 on the rear side of the surface 3b. The back surface 3a of the envelope 3 is provided with a fastener 8a for accommodating the bag body 2 therein. The fastener 8a extends over the entire area in the transverse direction of the envelope 3 at the central portion of the envelope 3 in the longitudinal direction. The position where the fastener 8a is provided may not be the central portion of the envelope 3 in the longitudinal direction, and may be, for example, the upper end portion or the lower end portion of the back surface 3a in the longitudinal direction.

On the rear side of the surface 3b of the envelope 3, there is provided the inner pocket 7 described above. The inner pouch 7 has four regions inside thereof. Specifically, the inner pouch 7 has a region 7a corresponding to the left side portion 1a of the pillow 1, a region 7b corresponding to the right side region of the pillow 1 and a neck portion of the pillow 1 And a region 7d corresponding to the portion 1d or 1e where the head of the pillow 1 is to be lifted up.

As described above, the inner pouch 7 of the envelope 3 has four regions 7a to 7d in which the pipe material 6 is received, and the pipe material 6 is provided in each of the regions 7a to 7d. The touch of each region 7a to 7d of the envelope 3 is improved.

The inner pouch 7 has three compartments 7e to 7g for partitioning the regions 7a to 7d and a compartment 7h curved in an arcuate shape in front. By having such an arcuate partition 7h, the back of the user can be easily stored in the pillow 1 when the back of the user is raised in the partition 7h.

Each of the dividing sections 7e to 7h is formed by, for example, sewing a cloth, and a seam allowance for forming the dividing sections 7e to 7h is formed on the surface 3b of the girder 3. Also, the pipe member 6 accommodated in each of the regions 7a to 7d can not cross the partitioning portions 7e to 7h.

The dividing section 7e divides the left region 7a and the regions 7c and 7d located at the center in the transverse direction and the dividing section 7f divides the right region 7b and the regions 7c and 7d of the girder 3, 7d. The partitioning portions 7e and 7f all extend over the entire area in the longitudinal direction of the envelope 3. [ The dividing section 7g divides the front region 7c and the inside region 7d and extends across the entire region in the lateral direction between the left dividing section 7e and the right dividing section 7f. The partition portion 7h has a shape curved forward in a substantially central portion of the envelope 3. [

Fasteners 8b to 8e for accommodating the pipe material 6 are provided in the respective regions 7a to 7d of the inner pouch 7 of the envelope 3. [ The fasteners 8b to 8e extend in the lateral direction from the rear side of the surface 3b of the envelope 3. [ It is possible to open the respective fasteners 8b to 8e and insert the pipe material 6 into the respective regions 7a to 7d and to adjust the amount of the pipe material 6 accommodated in the respective regions 7a to 7d And the tactile feel of the respective portions 1a to 1e of the pillow 1 can be adjusted according to the preference of the user.

Next, an example of how to use the pillow 1 will be briefly described. The user opens the opening 2s of the bag body 2 by turning the lid portion 4b of the intake and exhaust valve 4 in one direction without putting anything on the pillow 1, The air is introduced into the inner space 2q of the pillow 1 so that the height of the pillow 1 is gradually increased. Then, the opening 2s of the bag body 2 is closed by rotating the lid portion 4b in the other direction.

The head and the neck of the user are put on the pillow 1 and the pillow 1 is given an external force in a state where the opening 2s of the bag body 2 is closed as described above. In this state, the lid portion 4b of the intake and exhaust valve 4 is again rotated in one direction to open the opening 2s of the bag body 2 and to discharge air from the internal space 2q of the bag body 2 So that the pillow (1) sinks slowly. When the height of the pillow 1 is set to a level just suitable for the user, the lid portion 4b is again rotated in the other direction to close the opening 2s of the bag body 2, To a desired height. In this manner, the pillow 1 has an optimum height for the user.

Next, effects that can be obtained by the pillow 1 according to the present embodiment will be described.

The pillow 1 can height the height of the pillow 1 to a desired height by the user operating the intake and exhaust valve 4 by himself. Therefore, since it is not necessary to manufacture the pillow according to the characteristics of the user, it is possible to suppress the labor and cost of manufacturing the pillow. The plurality of elastic foams 5 are filled in the bag body 2 so that the volume of the elastic body 5 is compressed to a compression ratio of 1.5 to 5.8 when the bag body 2 reaches its maximum capacity. Therefore, when an external force is applied to the bag body 2 to lower the height of the pillow 1, a repulsive force by a plurality of elastic foams 5 is generated. Since the repulsive force by the elastic foam 5 is generated when an external force is applied to the bag body 2, the pillow 1 can be slowly lowered. When air is introduced into the bag body 2 to increase the height of the pillow 1, the inflow air passes between the compressed elastic foam 5 and slowly flows into the inner space 2q of the bag body 2 ). Therefore, the inflow of air into the inner space 2q of the bag body 2 can be performed slowly, and the pillow 1 can be slowly raised.

As described above, since the pillow 1 can be raised or lowered slowly, fine adjustment of the height can be easily performed. Therefore, it is easy to know whether the pillow 1 is the optimum height for the user, so that the user can effectively utilize the height adjustment function, so that the pillow 1 having a comfortable sleeping feeling suitable for each user can be provided. Further, even when a plurality of users use one pillow 1 in a hotel or the like, the height of the pillow 1 can be made optimum for each user.

Further, in the pillow 1, the amount of the elastic foam 5 is set such that the sinking speed (denting speed) is 0.62 cm / s or more and 2.00 cm / s or less, and the returning speed is 0.29 cm / s or more and 0.73 cm / Is adjusted. Here, if the sinking speed is less than 0.62 cm / s or the returning speed is less than 0.29 cm / s, there is a problem that it is difficult to know whether the height of the pillow is being adjusted because the speed is too slow. In addition, when the sinking speed is faster than 2.00 cm / s or the returning speed is higher than 0.73 cm / s, there is a problem that it is difficult to fine-tune the height adjusting operation because the speed is too fast.

In contrast, in the pillow 1, the recessed speed is 0.62 cm / s or more and 2.00 cm / s or less and the returning speed is 0.29 cm / s or more and 0.73 cm / s or less, Respectively. Therefore, fine adjustment can be easily performed, and the user can easily make his / her sleeping feel better.

In the pillow 1, the dividing sections 2f, 2g, 2h and 2j divide the internal space 2q of the bag body 2 and divide the dividing sections 2f, 2g, 2h and 2j The plurality of elastic foams 5 are filled in the respective compressors 2a to 2e in a compressed state. Therefore, since the elastic body 5 exerts a force of expanding on the bag body 2, the bag body 2 becomes inflated with the dividing sections 2f, 2g, 2h and 2j as starting points. Accordingly, since the elasticity of the user's head and neck can be increased, it is possible to improve the sleeping feeling of the user.

The partition 2f also has a vent 2k through which the air in the inner space 2q of the bag 2 flows between the area 2a and the areas 2c to 2e and the partition 2g And the air in the inner space 2q has a vent 2m through which the air flows between the region 2b and the regions 2c to 2e. The partition 2h has an opening 2n through which the air in the internal space 2q flows between the region 2c and the region 2d and the partition 2j has the air in the internal space 2q And an opening 2p communicating between the region 2d and the region 2e.

Air is caused to flow between the regions 2a to 2e by having the air vents 2k and 2m and the openings 2n and 2p so that air in the internal space 2q of the bag body 2 flows into the regions 2a- 2e. Therefore, the height of the pillow 1 can be adjusted with respect to each of the regions 2a to 2e. Since the air flows between the regions 2a to 2e via the partitioning portions 2f, 2g, 2h, and 2j, the amount of air in each of the regions 2a to 2e can be optimized. As a result, it is possible to individually adjust the height of the portion 1c where the neck of the user is lifted up, the portion 1d where the occipital is raised, and the portion 1e where the two legs are lifted. Lt; / RTI >

The elastic foam 5 has a rectangular parallelepiped shape. By making the shape of the elastic foam 5 in this rectangular parallelepiped shape, it is possible to easily manufacture and process the elastic foam 5.

In addition, the elastic foam 5 is in the shape of a cube having a side length of 3 mm or more and 100 mm or less. Here, if the length of one side of the elastic foam is less than 3 mm, the elastic foam is too thin to handle. In particular, there is a problem that it takes time and cost to cut thinly the elastic foam, and it is troublesome and costly because it requires static electricity prevention processing.

Further, when the length of one side of the elastic foam is longer than 100 mm, the elastic foam is too large, so that the touch is not good and the operation of accommodating the elastic foam in the bag is troublesome. In other words, there is a concern that deterioration of the sleeping comfort may occur, and the operability of the receiving operation of the elastic foam may deteriorate.

On the other hand, the elastic foam according to the present embodiment has a cuboid shape with a side length of 3 mm or more and 100 mm or less, so that the production and processing of the elastic foam can be performed more easily. In addition, by setting the length of one side of the elastic foam contained in the bag to 3 mm or more and 100 mm or less, the feeling of the bag can be improved and the work for accommodating the elastic foam in the bag can be efficiently performed.

In addition, when the intake and exhaust valve 4 is rotated in one direction, the air circulation is released, and when the intake and exhaust valve 4 is rotated in the other direction opposite to the one direction, The air circulation is blocked. By making the intake and exhaust valve 4 protruded from the bag body 2 and enabling the intake and exhaust valve 4 to be rotated, the height adjustment can be performed simply by turning the intake and exhaust valve 4 with one hand . That is, it is easy to understand how to adjust the air in the pillow 1, so that the pillow can be easily used.

In addition, since the height of the user can be adjusted with the head and the neck on the pillow 1, the height of the pillow 1 can be adjusted more easily. Also, the intake and exhaust valve 4 is provided on the neck side near the shoulder of the user. Therefore, the user can simply operate the intake and exhaust valve 4 by rotating the head of the pillow 1 and putting his hand on the intake and exhaust valve 4 with the arm bent. Thus, It is possible to further more easily perform the rotation operation by the rotation shaft.

In addition, the pillow 1 is provided with a strap 3 made of a cloth covering the bag body 2. By covering the bag body 2 with the envelope 3 made of cloth, the user's head and neck come into contact with the envelope 3 made of cloth. Here, if the envelope 3 made of cloth is not provided, the bag body 2 made of vinyl material may cause sweat at the time of use. On the contrary, in the present embodiment, since the envelope 3 covering the bag body 2 is provided, the feeling of the pillow 1 can be improved regardless of the material of the inner bag body 2. [ Further, by making the envelope (3) cloth, the air permeability of the pillow (1) can be improved, so that it is possible to suppress the occurrence of sweating during use of the pillow (1).

The envelope 3 has an inner bag 7, and a plurality of pipe materials 6 are accommodated in the inner bag 7. Therefore, it is possible to further improve the feeling of touch when the envelope (3) is touched from the outside, thereby contributing to further improvement of sleeping comfort.

(Second Embodiment)

Next, the pillow 13 of the pillow according to the second embodiment will be described with reference to Fig. The pillow according to the second embodiment is the same as the pillow according to the first embodiment except that the envelope 13 is provided in place of the envelope 3 of the first embodiment. Hereinafter, a description overlapping with the first embodiment will be omitted.

The envelope 13 has an inner pocket 17 for accommodating the sheet-like urethane 16 on its surface 13a. The sheet-like urethane 16 extends over substantially the entire area of the surface 13a inside the inner bag 17. A fastener 18a for inserting and withdrawing sheet-like urethane 16 into and out of the inner bag 17 is provided at an end portion of the inner bag 17 in the longitudinal direction. The fastener 18a is provided in the entire region of the envelope 13 in the transverse direction Respectively.

The back surface 13b of the envelope 13 is provided with a fastener 18b for accommodating the bag body 2 therein. The fastener 18b extends from the central portion of the back surface 13b in the longitudinal direction to the entire area in the transverse direction of the envelope 13. Further, the positions where the fasteners 18a and 18b are provided are not limited to those described above, and can be appropriately changed.

The pillow according to the second embodiment has the inner bag 17 that accommodates the sheet-like urethane 16 in place of the inner bag 7 accommodating the pipe material 6. In the pillow according to the second embodiment, the same effects as those of the first embodiment can be obtained. In the pillow according to the second embodiment, it is also possible to easily insert the sheet-like urethane 16 into the inner pocket 17 and easily adjust the sinking speed and the returning speed.

(Third Embodiment)

Next, the cushion 31 according to the third embodiment will be described with reference to Figs. 7 (a) and 7 (b). The internal structure of the cushion 31 is the same as the internal structure of the pillow 1. Therefore, the parts common to the pillow 1 of the first embodiment will be appropriately omitted. As shown in Fig. 7 (a), the cushion 31 has, for example, a square shape in plan view and a bulge at its center. 7A and 7B, the cushion 31 includes a bag body 32 made of the same material as the bag body 2, and a bag body 32 made of the same material as the bag body 3 An inlet / outlet valve 4, an elastic foam 5, and a pipe material 6. The gasket 33 is made of a synthetic resin. On the inner side of the envelope 33, there is provided an inner pocket 37 similar to the inner pocket 7.

In the bag body (32), an external force is applied in a state in which air circulation by the intake and exhaust valve (4) is opened, so that air flows out from the internal space of the bag body (32). As the outflow bag 32 of the air becomes thinner, the thickness of the cushion 31 becomes adjustable. The elastic foam 5 inside the bag body 32 is formed so that the volume of the bag body 32 is compressed to a compression ratio of 1.5 to 5.8 when the bag body 32 has the maximum capacity as in the first embodiment, . The padding speed of the cushion 31 is 0.62 cm / s or more and 2.00 cm / s or less, and the speed of returning the cushion 31 is 0.29 cm / s or more and 0.73 cm / s or less.

As described above, the cushion 31 according to the third embodiment has the same configuration as that of the pillow 1 according to the first embodiment. Therefore, it is possible to easily adjust the thickness while suppressing the same effect as that of the pillow 1 according to the first embodiment, that is, the labor and cost for manufacturing, and it is possible to provide a cushion having a comfortable sleeping feeling suitable for each user Effect can be obtained.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and may be modified or applied to other matters without changing the gist of the respective claims. In other words, the present invention can be modified in various ways without departing from the gist of the invention.

For example, in the above-described embodiment, the example in which the length of one side of the elastic foam 5 in the pillow 1 is 3 mm or more and 50 mm or less has been described. However, the length of one side of the elastic foam may be set to a value other than the above- It is also possible to do. In addition, the shape of the elastic foam 5 may not be a cube, and may be suitably changed.

Further, a hole may be formed in at least one surface of the elastic foam 5. For example, in the elastic foam 5 shown in Fig. 2 (b), a cylindrical hole portion passing through the center of one surface of the elastic foam 5 may be formed. For example, when the length of one side of the elastic foam 5 is 4.0 cm, the diameter of the hole portion can be set to 1.0 cm or more and 2.0 cm or less with respect to the hole portion. Specifically, the hole portion is formed into a metal mold and then cut, so that the elastic foam 5 having a plurality of hole portions can be manufactured at a time.

By forming the holes in at least one surface of the elastic foam 5 as described above, the elastic foam 5 can be made flexible, and the speed at which the elastic foam 5 dies and the speed at which the elastic foam 5 swells Can be slowed down. For example, even when the elastic foam 5 is rigid, the elastic foam 5 can be made flexible by forming the holes.

The shape of the hole formed on one surface of the elastic foam 5 may be circular, elliptical or polygonal. However, if the shape of the hole is a circular shape or an elliptical shape, the problem of tearing the hole can be reliably avoided. In addition, this hole does not need to penetrate. The size, number or shape of the holes may be changed according to the hardness of the elastic foam 5.

Instead of the elastic foam 5 of the cube, a crushed or spherical elastic foam may be used. Here, the breakable elastic foam refers to a material obtained by crushing a lump of elastic foam which is not necessary, for example, by a crusher or the like.

Further, in the above-described embodiment, the example in which the elastic foam 5 is composed of expanded urethane has been described. However, a material other than urethane may be used as the material of the elastic foam 5. For example, an elastic foam made of rubber such as polyester, silicone, or nitrile rubber (NBR) may be used instead of the elastic foam 5 made of urethane.

Further, in the above-described embodiment, the example in which the pillow 1 is provided with the intake and exhaust valve 4 capable of rotating operation has been described. However, it is also possible to use other than the intake and exhaust valve 4 as the opening and closing part for opening and closing the air flow inside and outside the bag body 2. For example, instead of the intake and exhaust valve 4, a slide type opening and closing part may be provided. In this case, for example, an example of closing the opening 2s of the bag body 2 by sliding the opening and closing part in one direction opens the opening 2s of the bag body 2 and slides the opening and closing part in the other direction .

In the above-described embodiment, the pillow 1 is provided with one intake and exhaust valve 4, but may have two or more intake and exhaust valves 4. In addition, the inner space 2q of the bag body 2 may be divided into a neck side (front side) area and a back side (inner side) area, and the intake and exhaust valve 4 may be provided in each area. In this case, it is possible to individually adjust the height of the pillow in the area on the neck side and the height of the pillow in the area on the back side.

In the above-described embodiment, an example in which the pipe material 6 is accommodated in the inner pocket 7 of the envelope 3 has been described. However, it is also possible to use a material other than the pipe material 6 as the granular material accommodated in the inner bag 7. For example, instead of the pipe material 6, beads, buckwheat husks of natural materials, or pellets in the form of granules may be accommodated in the inner pouch 7.

In the above-described embodiment, the partition portions 2f and 2g each have five vent holes 2k and 2m, and the partition portions 2j and 2h have openings 2n and 2p on both sides, respectively . However, the shape, size, and the number of the vent portions of the partition portion are not limited to the vent holes 2k, 2m or the openings 2n, 2p, but may be changed as appropriate. Also, the number, shape, and arrangement of the dividing sections can be appropriately changed, and the dividing sections may be omitted.

In the above-described embodiment, the pillow 1 according to the present invention is described. However, the present invention is not limited to the pillow 1 or the cushion 31 but can be applied to various bedding or cushioning. For example, the bedding according to the present invention may be a backrest, a nursing chair, a rug or a bedding bed.

(Example)

In the above-described embodiment, the research is concentrated on the elastic foam inside the bag so that the recessed speed when the user's back and neck parts are put on the bedding or cushion and the back and neck parts of the user are removed from the bedding or cushion Is adjusted. That is, by adjusting the compression ratio of the elastic foam, the recessed speed and the returning speed are controlled. Hereinafter, an embodiment of the pillow 1 of the first embodiment will be described with reference to Figs. 8 to 10. Fig. The present invention is not limited to the following examples.

8, in the experiment of this embodiment, a disk 21 having a hole 21a at the center thereof, and a bar-like portion 22a passing through the hole 21a of the disk 21, And a pressing member 22 having a pressing plate 22b positioned at the lower end of the rod upper portion 22a and pressing the pillow 1 from above. The original plate 21 is a weight which assumes the head of the user and has a size and weight corresponding to the contact area between the head and the pillow 1 and the weight of the head. The diameter of the disk 21 is 17.5 cm, and the weight of the disk 21 is 5.0 kg. In this experiment, the original plate 21 was placed on the most inflated portion 1a of the pillow 1, and the stopping height of the pillow 1 and the sinking height were measured.

The stopping height of the pillow 1 refers to the height of the pillow 1 as shown in Fig. 8A, for example, before loading the measuring apparatus 20 (nothing is put on the pillow 1 and no external force is applied to the pillow 1) The height H1 (unit: cm) of the pillow 1 is shown. On the other hand, the sinking height of the pillow 1 means, for example, as shown in FIG. 8 (b), until the amount of sinking of the pillow 1 is stabilized after the measurement apparatus 20 is raised (Unit: cm) of the pillow 1 when the sitting time (unit: s) is measured by the stopwatch and the sinking time is reached.

In this experiment, the rate of sinking (unit: cm / s) was calculated using the equation (stop height - sinking height) / sinking time. Further, the measuring device 20 was separated from the pillow 1 and the time (unit: s) of returning the pillow 1 was calculated. The returning time indicates the time from when the measuring apparatus 20 is released to when the height of the pillow 1 is returned to the stopping height. Also, the returning speed (unit: cm / s) was calculated using the equation of (stop height - sinking height) / return time.

In this experiment, the pillow 1 was made of an urethane elastic foam 5 in the shape of a cube. The volume of the elastic foam 5 before compression was measured using a box-shaped weighing box (acrylic box) of 39 cm x 39 cm x 39 cm (59319 cc). In other words, the elastic foam 5 filled in the measuring box was placed, the volume of the elastic foam 5 at the time of non-compression was measured, and then the elastic foam 5 was compressed and filled into the bag body 2. As the pipe material 6, a cylindrical pipe made of polyethylene was used. The length of one side of the elastic foam 5 was 40 mm, the weight of the elastic foam 5 in the bag 2 was 270 g, the number of the elastic foams 5 in the bag 2 was 210, 5) was 20 N, and the density of the elastic foam 5 was 20 kg / m 3. Such density and hardness are in accordance with JIS K6401.

In the maximum capacity state, the width of the bag body 2 was 58 cm, the length was 43 cm, the height was 5 cm, and the volume of the bag body 2 was 12470 cc. The compression ratio of the elastic foam 5 to be filled in the bag body 2 is such that the compression ratio of the elastic foam 5 in the uncompressed state (in the state of being placed in the weighing box) and in the compressed state inside the bag body 2 As a comparison, the stopping height, the sinking height, the sinking time, the returning time, the sinking speed, and the returning speed were calculated while changing the compression ratio as shown in Figs. 9 and 10.

As shown in Figs. 9 and 10, when the compression ratio is 1.0 to 1.2, the settling velocity is very fast at 22.04 cm / s and the compression ratio is 1.3 and 1.4 at 2.84 cm / s and 2.06 cm / s, respectively Somewhat faster. When the compression ratio is 1.5 to 5.8, the sinking speed is 0.62 cm / s or more and 2.00 cm / s or less, which is a preferable value. In addition, when the compression ratio is 6.1 to 6.8, the sinking speed is somewhat slower from 0.56 cm / s to 0.60 cm / s, and when the compression ratio is 7.1 or more, the sinking height is high, The description of the value is omitted.

On the other hand, with regard to the returning speed, the compression ratio was very fast at 2.20 cm / s when the compression ratio was 1.0 to 1.2, and 1.08 cm / s and 1.00 cm / s when the compression ratio was 1.3 and 1.4, respectively. When the compression ratio is 1.5 to 6.8, the returning speed is 0.29 cm / s to 0.73 cm / s, which is a preferable value. In addition, as described above, when the compression ratio is 7.1 or more, the sinking height is high and a proper pillow state is not obtained, so that the description of the values is omitted in Fig.

As described above, when the compression ratio of the elastic foam 5 is compressed to about 1.5 to 5.8 to fill the bag body 2, the sinking speed of the pillow 1 is 0.62 cm / s or more and 2.00 cm / s or less, It can be seen that the returning speed of the belt 1 becomes 0.29 cm / s or more and 0.73 cm / s or less, and the sinking speed and the returning speed become preferable values.

When the compression ratio of the elastic foam 5 is 1.3 or less, since the air ratio between the elastic foam 5 and the maximum capacity of the bag body 2 (hereinafter referred to as porosity) is large, the sinking speed and the returning speed I think it is faster. Further, when the compression ratio of the elastic foam 5 is increased and the compression ratio is set to 1.5 to 5.8, since the porosity is decreased and the repulsive force of the elastic foam 5 in the bag body 2 is strengthened, It is thought that the speed of going slow.

Also, it can be seen that the sinking height increases with the compression ratio when the compression ratio is 1.0 to 6.8. On the other hand, the stopping height increases with the compression ratio when the compression ratio is 1.0 to 4.8, but it is stable to 12.5 to 13.3 when the compression ratio is 5.1 to 7.1.

One… Pillow (bedding), 1a ~ 1e ... Part, 2 ... Bag body, 2a ~ 2e ... Region, 2f, 2g, 2h, 2j ... The compartment, 2k, 2m ... Vents (vent), 2n, 2p ... The opening (venting part), 2q ... Interior space, 2s ... The opening, 3, 13 ... The sleeves 3a, 13b ... If it is 3b, 13a ... Surface, 4 ... The intake and exhaust valves (opening and closing parts), 4a ... Mounting portion, 4b ... The cover part, 4c ... Fixed part, 4d ... The pedestal, 5 ... Elastic foam, 6 ... Pipe material (upper body), 7, 17 ... Inner pocket, 7a ~ 7d ... Area, 7e ~ 7h ... The partitioning portions 8a to 8e, 18a, 18b ... Fasteners, 16 ... Sheet type urethane, 20 ... Measuring devices, 21 ... Disc, 21a ... Hole portion, 22 ... The pressing member, 22a ... Bar top, 22b ... The pressing plate, 31 ... Cushion, 32 ... The bag, 33 ... Wrapping, L ... Center axis

Claims (12)

A non-breathable bag body,
An opening / closing part provided in the bag body for opening / closing an air flow inside / outside the bag body,
And a plurality of elastic foams filled in the inner space of the bag body in a compressed state with respect to the maximum capacity of the bag body,
Wherein the bag body is configured such that when the air flow is opened by the opening and closing part, air is introduced into the internal space and becomes thick, and an external force is applied to the bag body in a state in which the air flow is opened, The thickness can be adjusted by flowing out and becoming thinner,
Wherein the plurality of elastic foams are filled in the bag so that the volume of the bag becomes a compression ratio of 1.5 to 5.8 when the bag becomes the maximum capacity,
Wherein a center portion of the user's head and neck is low and a left portion and a right portion located on both sides in the transverse direction of the center portion are high, a region corresponding to the left portion of the space inside the bag body, The elastic foam is filled with a higher density than a region corresponding to the central portion of the space inside the bag body,
A region corresponding to the central portion of the space inside the bag body is formed so that the height of the neck portion of the user, the portion of the user's back of the user, and the height of the portion of the user's two uppers can be individually adjusted, A region for forming a portion for holding the neck of the user and a region for forming a portion for raising the back of the user by a pair of partition portions spaced apart in the longitudinal direction of the bag body; The bedding is partitioned into areas forming part of the user's upper part. A non-breathable bag,
An opening / closing part provided in the bag body for opening / closing an air flow inside / outside the bag body,
And a plurality of elastic foams filled in the inner space of the bag body in a compressed state with respect to the maximum capacity of the bag body,
Wherein the bag body is configured such that when the air flow is opened by the opening and closing part, air is introduced into the internal space and becomes thick, and an external force is applied to the bag body in a state in which the air flow is opened, The thickness can be adjusted by flowing out and becoming thinner,
The recessed rate indicating the amount of thinning per unit time is 0.62 cm / s or more and 2.00 cm / s or less,
The returning speed representing the amount of thickening per unit time is 0.29 cm / s or more and 0.73 cm / s or less,
Wherein a center portion of the user's head and neck is low and a left portion and a right portion located on both sides in the transverse direction of the center portion are high, a region corresponding to the left portion of the space inside the bag body, The elastic foam is filled with a higher density than a region corresponding to the central portion of the space inside the bag body,
A region corresponding to the central portion of the space inside the bag body is formed so that the height of the neck portion of the user, the portion of the user's back of the user, and the height of the portion of the user's two uppers can be individually adjusted, A region for forming a portion for holding the neck of the user and a region for forming a portion for raising the back of the user by a pair of partition portions spaced apart in the longitudinal direction of the bag body; The bedding is partitioned into areas forming part of the user's upper part. delete The method according to claim 1 or 2,
The elastic foam is a rectangular parallelepiped. The method of claim 4,
Wherein at least one surface of the elastic foam has a hole formed therein. The method according to claim 1 or 2,
Wherein the elastic foam is in the form of a cuboid having a side length of 3 mm or more and 100 mm or less. The method according to claim 1 or 2,
Wherein the opening / closing part is protruded from the bag body and can be rotated,
Wherein when the opening / closing part is rotated in one direction, the air circulation is opened, and when the opening / closing part is rotated in the opposite direction to the one direction, the air circulation is blocked. The method according to claim 1 or 2,
And a bag made of a cloth covering the bag body. The method of claim 8,
The envelope has an inner pocket,
And a plurality of granular bodies are accommodated in the inner bag. delete delete delete

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