JP2550116Y2 - mattress - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to bedding and, more particularly, to a mattress type mattress.

[0002]

2. Description of the Related Art Conventionally, mattresses in which an elastic foam such as polyurethane foam is used as a core material and which is covered with a side material are widely used as bedclothes.

In such conventional mattresses having a high elasticity and flexibility, it is difficult to maintain a good posture because a specific part of the body lying on the back or lying down, for example, a waist, etc., and sweat or the like escaping from the body is taken inside the bedding. In addition, the bedding is kept moist, and the moisture containing the wastes cools the body and promotes bed swelling, which is not preferable in terms of health and hygiene. Also, it fell enclosed in cotton a hard core material mattress
Although the effect of preventing body squeeze is excellent, since the body pressure is dispersed by the plate-shaped body , it is difficult to sleep and the butt and back tend to hurt, and the body pressure at a specific site cannot be absorbed. In the case of a spring coil having a body pressure dispersing effect, a device has been devised to disperse the pressure according to the magnitude of the body pressure. However, in order to improve the dispersing effect, there has been a defect that its own weight increases.

[0004]

[Problem to be Solved by the Invention] This invention disperses body pressure in a well-balanced manner according to the difference in weight of each part of the body when supine or lying down, and has an appropriate hardness so that a specific part does not fall. the equipped, natural also has good transpiration of moisture, such as sweat,
It is an object of the present invention to obtain a mattress having a function of being comfortable as bedding and an excellent function of maintaining and restoring a healthy sleep.

[0005]

SUMMARY OF THE INVENTION Polyolefin foam
At least one core made of
In a square mattress with a surface shape, the matte
Are a plurality of band-shaped ridges extending while bending toward one side
To form a turtle-shaped pattern with adjacent ridges
Arranged and grooved between adjacent ridges and ridges
And a projection is provided on the upper surface of the ridge, and the tip of the projection is
On the surface, on the back side,SaidFront side ridgeof
The direction in which the front-side band-shaped ridge extends in accordance with the inclined portionInteract with
A plurality of ridges that extend while bending in the opposite direction
By adjacent band-shaped ridgesPolymerizes with the tortoiseshell
A rhombus pattern is formed and arranged between adjacent ridges.
Formed on the upper surface of the ridge, and a flat portion on the upper surface of the ridge.
Are formed alternately, and the intersection of the grooves on both sidesSo
Where each band-shaped ridge is close and the width of the groove is narrow
A through hole connecting the front and back surfaces.

[0006]

[Function] Groove between ridges formed on both sides of core material
The mattress is flat with holes in the grooves on both sides of the mattress.
Is secured ventilation between the front and back surfaces and breathability in the surface direction, moisture from perspiration during sleep is dissipated to the outside of Ma mattresses
You . In particular, the ridges on both front and back sides
Because it is arranged on the front and back the position matching,該畝portion ulcers
It is difficult to remove, and the through hole connecting the front and back sides is close to the ridge on the front and back.
Since the contact groove is provided in the narrowed portion,
Even if body pressure is applied near the hole and elastic deformation occurs at the ridge,
Does not block, and therefore depends on the sleeper's posture
Regardless, good air permeability is always maintained. And sleeping
The core material is elastically deformed due to turning over, etc., and is formed between the ridges.
Mattress by pump action due to volume change of grooved space
Active air circulation with the outside occurs, releasing moisture such as sweat.
Dispersion and dehumidification are accelerated. Also, the above arranged in the cross direction
Due to the configuration of the ridges, there is enough space for grooves on both the front and back sides of the core material
The strength and shape retention are good while forming a specific part of the body
Is prevented from falling. The large number of protrusions formed on the surface of the core disperse the body pressure of the body part to be larger or smaller when the body pressure is larger. In order to move, the muscles are massaged to produce the acupressure effect, and the depth of the groove is not uniform at various places. Bring.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a core material of the mattress M according to the present invention, which is formed in a bead method in a mold into a rectangular plane and has a thickness of about 80 mm and is made of completely closed cells, has a water absorption of almost 0, and has a shock absorbing property. Polyolefin foam which is rich in oil resistance, chemical resistance, heat resistance, low in heat conductivity, high in heat retention and hardly changes in shape and material, such as "Eperan" manufactured by Kanebuchi Chemical Industry Co., Ltd. Known polyethylene foams, polypropylene foams, and other modified polyethylene foams are used.

In the mattress M of the present invention shown in the present embodiment, a plurality of (three in FIG. 1) core materials 1 each having the above-mentioned rectangular shape formed in a rectangular shape are arranged side by side in contact with the longitudinal side surfaces thereof. The whole is covered with the side ground 2 so that the boundary between the adjacent core materials 1 can be folded as a hinge part 3.

As shown in FIG. 2, a plurality of (five in FIG. 2) band-shaped ridges 4 extending in the longitudinal direction of the core 1 are formed on the surface of the core 1 as shown in FIG. Part 4a
A cylindrical projection 6 having a concave portion 5 in the center is arranged on the band-shaped ridge portion 4 in a row.

[0011] Further, adjacent ridges 4a, the groove 7 formed between the 4b, ridges 4a, 4b is widened against release
A concave groove 7a having a small depth and a concave groove 7b having a large depth are formed in the tortoiseshell portion, and a conical protrusion 8a having a small diameter is formed in the concave groove 7a. At the boundary of the deep groove 7b, a conical protrusion 8b having a larger diameter than the protrusion 8a over both sides, and further at the concave groove 7b portion, a conical protrusion 8c having a larger diameter than the protrusion 8b are provided. (Fig. 3
Are three).

Furthermore adjacent ridges 4a, 4b are in contact near the groove
An elliptical through-hole 9 penetrating the back surface side is provided in a portion where the width of 7 is reduced .

At both ends in the longitudinal direction of the core material 1, the end of the band-shaped ridge 4 and the concave groove 7b, and a plurality of branches having the same depth as the concave groove 7a are branched from the concave groove 7b. A concave groove 7c is formed. Also, on the plane 10 having the same depth as the concave groove 7a, a plurality of protrusions 8d having the same shape as the conical protrusion 8a and a plurality of protrusions 8e having the same shape as the conical protrusion 8b are provided on the plane 10 having the same depth as the concave groove 7a. (Three in the figure) are provided, and a number of concave grooves 7d are provided extending from the plane 10 toward the periphery.

The conical projections 8a, 8b, 8
The tips of c, 8d and 8e and the flat surface 11 formed on the peripheral edge part separated by the concave grooves 7b, 7c and 7d are all located on the same imaginary plane as the tip of each projection 6 on the ridge 4. I have.

[0015] Incidentally, although the strip ridge portion 4 is illustrated as refracted at an angle, it may be in a form curved have draw an arc, and the form of the protrusions is not limited to conical, frustoconical, cylindrical The diameter, the arrangement position, the number, the depth of the concave groove, and the like may be any other appropriate forms.
It can be appropriately selected according to the size of the space to be arranged, the thickness of the core material 1, and the like.

Next, as shown in FIG. 3, the back side of the core 1 is
To match the oblique portion of the front-side band-shaped ridge portion 4 of the core material 1 ;
In a direction intersecting therewith, the strip ridge portion 12 of the plurality of extending while being refracted (eight in FIG. 3) is, ridges 1 adjacent
2a and 12b are provided so as to form a rhombus pattern that overlaps with the tortoiseshell shape.
Further, the V-shaped planes 13b of the band-shaped ridge portion 12 are all on the same plane, and the V-shaped plane 13b and the next V-shaped plane 1
An intermediate portion with 3b forms a plane 13c one step lower than the plane 13b.

In the band-shaped ridge portion 12, the groove portion 14 sandwiched between the adjacent ridge portions 12a and 12b has a portion sandwiched between both end planes 13a and the C-shaped plane 13b, and the portion sandwiched between the flat faces 13c. The portion that forms the same plane 13d and is sandwiched between the planes 13c forms a plane 13e that is even lower than the plane 13c. Then, the plane 1 of the portion where the adjacent ridges 12a and 12b are most separated from each other
In 3d, a plurality of hemispherical concave portions (three in FIG. 3)
15 and the ridges 12a and 12b are closest to each other and the groove 14
An elliptical through-hole 9 penetrating from the front surface side to the back surface side is opened in the flat surface 13c of the portion where the width of is narrowed .

Further, the left and right planes at both ends in the longitudinal direction of the core material 1 are:
A triangular recess 16 having the same plane 13f as the U-shaped plane 13b and having a vertex opposed to the through hole 9 and having a base parallel to both end edges of the core 1; 1
5, and a semi-elliptical concave portion 17 is provided inwardly from the side surface portion at a position opposed to both ends and a vertical position at both ends.
The bottom surfaces of the planes 6 and 17 are the same plane as the plane 13c.

The band Jose portion 12 be refracted at an angle, it may be in a form curved have draw an arc, but basically both sides
Ridges 4 and 12 are superposed and arranged at the same position as in the illustrated example.
Need to be Also, the number of hemispherical recesses 14, the plane 13a,
The depth of the other planes 13c, 13d, and 13e with respect to 13b can be appropriately selected according to the size of the core 1, the size of the space to be arranged, the thickness of the core 1, and the like.
The shape is formed by the front side band-shaped ridge 4 and the back side band-shaped ridge 12.
The groove 14 is made extending on both sides in the orthogonal state with polymerization with one another.

In the embodiment, as shown in FIG. 1, the mattress M of the present invention comprises a plurality of core members 1 having the above-mentioned construction arranged in parallel with their longitudinal side surfaces in contact with each other. It is described that the cores 1 to be arranged side by side are hinged portions 3 so that they can be folded. However, the number of the cores 1 to be arranged in parallel depends on the size of the cores 1 itself and the necessity. It can be increased or decreased as appropriate depending on the size of the mattress M to be formed. In any case, the core member 1 is arranged so that the front-side band-shaped ridge portion 4 is located in the width direction of the mattress. In addition, the planar shape of the core material 1 is not limited to a rectangle, but may be a square.

As the side lands 2 used in the present invention, ordinary side lands may be used as they are, but, for example, a deodorant substance, iodine or the like obtained by impregnating silica gel with various deodorant components. It is appropriate to use a side ground treated with a drug having high antibacterial and deodorant properties obtained by mixing a drug and a drug such as imidazole. In addition, between the surface of the core material 1 and the side ground 2
There is no harm even if you put a sheet of cotton in between.

[0022]

As described above in detail, the mattress of the present invention is a mattress having a flat rectangular shape in which at least one core material made of polyolefin foam is wrapped in a side lining. On the front surface side, a plurality of band-shaped ridges extending while bending in one direction are arranged by forming a turtle-shaped pattern by adjacent band-shaped ridges, and between adjacent ridges and ridges. the projections formed grooves and該畝upper surface provided, allowed position the tip of the該Tokki on the same virtual plane, on the back side, to match the skew portion of the front side band-like ridges, the
A plurality of band-shaped ridges extending while bending while being directed in a direction intersecting with the extending direction of the front-side band-shaped ridges are arranged by forming a rhombic pattern that overlaps with the turtle-shape by adjacent band-shaped ridges. The groove formed between the fitted ridge and the ridge, and the flat portion of each height is alternately formed on the upper surface of the ridge, and each of the band-shaped ridges is located at the intersection of the grooves on the front and back surfaces. Proximity
At the position where the width of the groove is narrow , a through hole connecting the front and back surfaces is provided, so that moisture and heat due to perspiration during sleeping are <br/> with the ridge provided on the surface side of the core material. Through the groove between the ridge,
Or reach the back surface side through holes, are dissipated external to the mattress through the grooves between the ridges and the ridges provided on the back surface side
Dehumidified . In particular, the ridges on both sides are skewed
Is located at the same position on the front and back that matches
The ridges are hard to collapse, and the through holes that connect the front and back
It is provided in the part where the ridge is close and the width of the groove is narrow
Therefore, body pressure is applied near the through-hole and elastic deformation occurs in the ridge.
Even though the through-hole does not block, the posture of the sleeping person
Regardless of the above, good air permeability is always maintained. Yet
The core material is elastically deformed due to the sleeping
With the pump action accompanying the volume change of the groove space formed between
Positive air circulation with the outside of the mattress occurs, causing sweat, etc.
Dispersion of moisture and dehumidification are accelerated, preventing stuffiness and comfortable
A sleeping environment can be obtained.

The structure of the ridges arranged in the cross direction is
Of polyolefin foam used as a core material
Due to the material effect, sufficient space for grooves on both front and back of the core material
The strength and shape retention are good while forming a specific part of the body
Is prevented from falling. Also provided on the surface of the core material
Large, medium and small projections promote the distribution of body pressure, and provide a stable sleeping posture
Can be secured.

Further, a large number of projections formed on the ridges and grooves on the surface of the core material swing due to turning over while sleeping, and the like.
The muscles are massaged to bring about the acupressure effect, and the depth of the grooves on both the front and back surfaces of the core material is not uniform at various places.
It can provide health recovery and maintenance functions such as promoting blood circulation, distorting the spine, correcting the sacroiliac joints, and alleviating neuralgia and muscle pain .

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of the mattress of the present invention.

FIG. 2 is a front view of a core used in the mattress of the present invention.

FIG. 3 is a rear view of the same.

FIG. 4A is a sectional view taken along line AA of FIGS. 2 and 3, and FIG.
FIG. 3 is a sectional view taken along line BB of FIG.

[Explanation of symbols]

1 core material 2 side ground 4,12 strip-shaped ridges 4a, 4b, 12a, 12b ridges 5, 15, 16, 17 recessed portions 6, 8a, 8b, 8c, 8d, 8e projections 7, 14 groove portions 7a, 7b, 7c , 7d groove 9 through hole 10, 11, 13a, 13b, 13c, 13d, 13
e, 13f plane

Claims (1)

(57) [Scope of request for utility model registration] A flat mattress comprising at least one core made of a polyolefin foam covered with a side material, wherein the surface of the core is bent in one direction. A plurality of strip-shaped ridges extending while forming a turtle-shaped pattern by adjacent strip-shaped ridges are arranged, and a groove formed between adjacent ridges and the ridges and a projection on the upper surface of the ridges. provided, allowed position the tip of the該Tokki on the same virtual plane, on the back side, coincides with the skew portion of the front side band-like ridges
A plurality of band-shaped ridges extending while being bent in a direction intersecting with the extending direction of the front-side band-shaped ridges are arranged in a rhombic pattern that overlaps with the turtle-shape by adjacent band-shaped ridges. and, adjacent ridges and the groove formed between the ridges, and formed alternately flat portion of the high and low Amblyseius the該畝upper surface and both sides of the strip a cross position of each of the grooves
A mattress characterized by providing a through hole connecting the front and back surfaces at a position where the ridge is close and the width of the groove is narrow .