KR102441037B1 - Nonadhesive mattress - Google Patents

Abstract

The present invention relates to a non-adhesive mattress. More specifically, according to an embodiment of the present invention, provided is a non-adhesive mattress comprising: an outlayer having a plurality of outlayer projections arranged in a lengthwise direction on one side in a thickness direction; a mid-layer having a plurality of first mid-layer protrusions, which are configured to be able to be in contact with at least part of the plurality of outlayer projections when entering a plurality of outlayer grooves formed by the plurality of outlayer projections on the other side in the thickness direction, and a plurality of second mid-layer protrusions arranged in the lengthwise direction on one side in the thickness direction; and a supporting layer having a plurality of supporting layer projections configured to be able to be in contact with at least part of the plurality of second mid-layer projections when entering a plurality of mid-layer grooves formed by the plurality of second mid-layer projections. Therefore, provided is a non-adhesive mattress that is harmless to human bodies.

Description

Non-adhesive mattress {NONADHESIVE MATTRESS}

The present invention relates to a non-adhesive mattress.

In general, a mattress is used to support the body when users sleep or lie down. Recently, due to busy daily life, interest in a comfortable sleeping environment of modern people with short sleep time is increasing.

Mattresses that are recently distributed in the market are manufactured by combining a memory foam layer that restores to its original shape when the applied pressure is removed, and a memory foam layer and a high elasticity foam layer having different hardness. The memory foam layer and the high elasticity foam layer are each manufactured in a rectangular parallelepiped shape.

A conventional mattress has been manufactured in a manner in which a memory foam layer having a rectangular parallelepiped shape and a high elasticity foam layer are stacked. There is a problem in that the user feels a sense of heterogeneity when lying on a mattress manufactured by stacking several cuboidal foam layers with different physical properties.

In addition, the mattress has been manufactured so that the memory foam layer and the high elasticity foam layer are attached to each other through an adhesive and laminated. On the other hand, when the mattress is manufactured, the adhesive used to attach the memory foam layer and the high elasticity foam layer contains components harmful to the human body, and there is a problem in that the health of the user is deteriorated due to these harmful components.

In addition, the weight of the user's body is different for each part. On the other hand, the hardness in the horizontal direction of the mattress manufactured in such a way that the memory foam layer and the high elastic foam layer manufactured in the rectangular parallelepiped form are attached to each other are the same. Accordingly, if the hardness of the mattress in the horizontal direction is the same, when the user lies on the mattress, the waist and hips, which are relatively heavy in the user's body, are immersed in the mattress, which causes back pain to the user. There is a problem being

An embodiment of the present invention was invented based on the background as described above, and a plurality of foam layers are fixed with respect to each other through the frictional force of the foam layer without using an adhesive, so that a non-adhesive mattress that is harmless to the user's body would like to provide

In addition, a plurality of protrusions and a plurality of grooves that can be engaged with each other are formed in each of a plurality of foam layers having different physical properties, so that a relatively heavy body part is prevented from being immersed in the mattress when pressure is applied to the top. We would like to provide a mattress.

According to one aspect of the present invention, an outlayer having a plurality of outlayer projections arranged along the longitudinal direction; and a plurality of first mid-layer projections configured to be in contact with at least a portion of the plurality of out-layer projections when entering the plurality of out-layer grooves provided by the plurality of out-layer projections on the other side in the thickness direction, and A non-adhesive mattress may be provided on one side of the thickness direction, including a mid-layer having a plurality of second mid-layer projections formed along the longitudinal direction, wherein the out-layer and the mid-layer have different hardnesses. .

In addition, the method further includes a support layer having a plurality of support layer protrusions arranged in the longitudinal direction, wherein the plurality of second mid-layer protrusions are inserted into a plurality of support layer grooves provided by the support layer protrusions, A non-adhesive mattress may be provided, which is configured to be in contact with at least a portion of the support layer protrusion.

In addition, the plurality of first mid-layer projections and the plurality of second mid-layer projections are formed to extend in the thickness direction and in a width direction that is different from the longitudinal direction, and are arranged to be spaced apart along the longitudinal direction, non-adhesive mattress may be provided.

In addition, the first mid-layer protrusion has a shape protruding toward the other side in the thickness direction, and the second mid-layer protrusion has a shape protruding toward one side in the thickness direction, and the first mid-layer protrusion The distance between the end of and the end of the second mid-layer protrusion is greater than the distance between the one side in the thickness direction of the outlayer and the end of the out-layer protrusion, a non-adhesive mattress may be provided.

In addition, the outer layer, the out center portion; And it includes an outside portion connected to the edge of the outer center portion, in the thickness direction, the thickness of the outside portion is less than or equal to the thickness of the support layer, a non-adhesive mattress may be provided.

In addition, the hardness of the outside portion is greater than the hardness of the out center portion, a non-adhesive mattress may be provided.

In addition, the mid-layer, greater than the hardness of the outer center portion, having a hardness smaller than the hardness of the support layer, a non-adhesive mattress may be provided.

In addition, when the outlayer, the mid-layer, and the support layer are stacked in the thickness direction, the mattress may be placed in a stacked state, and when the mattress is in a stacked state, at least a portion of the plurality of outlayer protrusions and a first buffer space surrounded by the plurality of first mid-layer projections may be provided, a non-adhesive mattress may be provided.

In addition, the first buffer space may include a plurality of first upper buffer spaces formed between the plurality of out-layer grooves and the plurality of first mid-layer protrusions; and a plurality of first lower buffering spaces formed between the plurality of mid-layer grooves and the outer layer protrusion and formed below the first upper buffering space, a non-adhesive mattress may be provided.

In addition, the mattress extends along the width direction to have a width less than or equal to the width of the mattress, the length in the longitudinal direction is less than the thickness of the mattress, the center is the length of the mattress than the center of the mattress a first region disposed closer to the end in the direction; and extending along the width direction to have a width less than or equal to the width of the mattress, wherein the length in the longitudinal direction is greater than the length in the longitudinal direction of the first region and is less than or equal to the thickness of the mattress, the center The first area includes a second area disposed more adjacent to the center of the mattress than the center of the first area, wherein the first area formed in the first area of the product of the volume of the first buffer space and the first ratio 1 The volume of the buffer space, and the volume of the first buffer space formed in the second region to the product of the volume of the first buffer space and the second ratio is less than 1, and the first ratio is in the longitudinal direction. The length of the first region to the length of the mattress in the, the second ratio is defined as the length of the second region to the length of the mattress in the longitudinal direction, a non-adhesive mattress can be provided have.

In addition, when the mattress is in a laminated state, at least a portion of the second cushioning space formed by the plurality of second mid-layer projections and the plurality of support layer projections may be provided, a non-adhesive mattress may be provided.

In addition, the second buffer space may include a plurality of second upper buffer spaces provided between the plurality of mid-layer grooves and the plurality of support layer protrusions; and a plurality of second lower buffer spaces formed between a plurality of support layer grooves formed by the support layer protrusions and the second mid-layer protrusions and formed below the second upper buffer spaces. A mattress may be provided.

Non-adhesive mattress according to an embodiment of the present invention, a plurality of foam layers different from each other through the frictional force of the foam layer is fixed without using an adhesive containing a component harmful to the human body. It has the effect of preventing exposure.

1 is a perspective view of a non-adhesive mattress according to a first embodiment of the present invention.
Figure 2 is an exploded perspective view of the non-adhesive mattress according to the first embodiment of the present invention.
3 is a cross-sectional view taken along line A-A' of FIG. 1 .
4 is a cross-sectional view illustrating a deformed state of the mattress of FIG. 3 according to the second embodiment.
5 is a cross-sectional view illustrating a deformed state of the mattress of FIG. 4 according to the third embodiment.

Hereinafter, specific embodiments for implementing the spirit of the present invention will be described in detail with reference to the drawings.

In addition, in the description of the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, when a component is referred to as 'connected', 'supported', 'laminated', or 'contacted' to another component, it may be directly connected, supported, laminated, or contacted with the other component, but other components in the middle It should be understood that elements may exist.

The terminology used herein is only used to describe specific embodiments and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise.

Also, terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various components, but the components are not limited by these terms. These terms are used only for the purpose of distinguishing one component from another.

The meaning of "comprising," as used herein, specifies a particular characteristic, region, integer, step, operation, element and/or component, and other specific characteristic, region, integer, step, operation, element, component, and/or group. It does not exclude the existence or addition of

In addition, in the present specification, the expression of the upper part, the upper surface, etc. is described with reference to the drawings in the drawings, and it is clarified in advance that it may be expressed differently if the direction of the corresponding object is changed. In addition, when the surface on which the user can lie on the mattress 1 in the present specification is placed parallel to the ground, the 'thickness direction' may be defined in the vertical direction, and the 'length direction' may be defined as the front-back direction, , the width direction may be defined as a left-right direction.

Hereinafter, a specific configuration of the non-adhesive mattress 1 according to an embodiment of the present invention will be described with reference to the drawings. In addition, the following description will be made based on when the surface on which the user can lie on the non-adhesive mattress 1 is placed parallel to the ground.

Hereinafter, referring to Figure 1, the non-adhesive mattress (1, hereinafter 'mattress') according to the first embodiment of the present invention may be manufactured so as not to include an adhesive. Such a mattress (1) can support the user when the user lies on the mattress (1). In addition, the mattress 1 may have different hardness in the horizontal direction. The mattress 1 may include an outer layer 100 , a mid-layer 200 , and a support layer 300 .

2 and 3 , the outlayer 100 may provide a surface on which the user can lie down. In other words, when the user lies on the outlayer 100 , the outlayer 100 may support the user. The out layer 100 may be disposed above the mid layer 200 and the support layer 300 .

Such an outlayer 100 may extend along the longitudinal direction and the width direction. For example, the length in which the outlayer 100 extends in the longitudinal direction may be longer than the length in which the outlayer 100 extends in the width direction. Also, as an example, the length and width of the out layer 100 , the mid layer 200 , and the support layer 300 may be the same. A plurality of outlayer protrusions 100a may be formed on the outlayer 100 .

The plurality of out-layer protrusions 100a may form a plurality of out-layer grooves. For example, a plurality of outlayer grooves may be formed between two outlayer projections 100a adjacent to each other among the plurality of outlayer projections 100a.

In addition, the plurality of out-layer protrusions 100a may have a shape extending along the width direction. The out-center protrusion 100a may have a shape in which the cross-sectional area increases toward the upper side. In other words, the outer layer protrusion 100a may have a shape in which the width in the longitudinal direction increases toward the upper side.

In addition, the plurality of out-layer projections 100a may provide a plurality of out-layer grooves. For example, an out-layer groove may be formed between two out-layer protrusions 100a adjacent to each other among the plurality of out-layer protrusions 100a. The plurality of outcenter protrusions 100a may be arranged to alternate with each other in the longitudinal direction. In other words, the outer layer protrusions 100a adjacent to each other among the plurality of outlayer protrusions 100a may be disposed to be spaced apart from each other. The outer layer protrusion 100a may include an outer center protrusion 110a and an outside protrusion 120a.

In addition, the out-layer groove may include an out-center groove provided by the out-center protrusion 110a and an outside groove provided by the outside protrusion 120a. The outer layer 100 may include an outer center portion 110 and an outside portion 120 .

A plurality of out-center protrusions 110a may be formed in the out-center part 110 . For example, the out-center protrusion 110a may have a shape protruding downward.

The outside part 120 may be connected to an edge of the outside center part 110 . For example, the outside portion 120 may be connected to the outer center portion 110 along the periphery of the outer center portion 110 in the horizontal direction. The outside part 120 may have a hardness different from that of the outside center part 110 . For example, it may have a hardness greater than the hardness of the outer center portion (110). In other words, when the same pressure is applied to the outer center portion 110 and the outside portion 120 , the degree of deformation of the outside portion 120 may be smaller than the degree of deformation of the outer center portion 110 . Through the outside portion 120, when the user sits on the edge of the mattress (1), the mattress (1) can stably support the user.

The mid-layer 200 may be disposed between the outer layer 100 and the support layer 300 when the mattress 1 is placed in a stacked state. In the stacked state, the outlayer 100, the midlayer 200, and the support layer 300 are sequentially arranged in the vertical direction, the midlayer 200 supports the outlayer 100, and the support layer 300 denotes a state in which the outer layer 100 and the mid layer 200 are supported.

In addition, a plurality of protrusions may be respectively formed on the upper and lower portions of the mid-layer 200 . In other words, the mid-layer 200 may have a plurality of protrusions protruding upward and a plurality of protrusions protruding downward, respectively, on both sides in the vertical direction.

A plurality of such mid-layers 200 may be provided. For example, two adjacent mid-layers 200 among the plurality of mid-layers 200 may be in contact with each other through a plurality of protrusions respectively formed therein. As a more detailed example, a first mid-layer protrusion 201a to be described later of the mid-layer 200 disposed on the upper side of the two mid-layers 200 and a second mid-layer protrusion (to be described later) of the mid-layer 200 disposed on the lower side of the mid-layer 200 201a) may be in contact with each other, so that the two mid-layers 200 may be in close contact.

A plurality of mid-layer protrusions 200a may be formed on the mid-layer 200 . Also, the mid-layer 200 may include a mid-center part 210 and a mid-side part 220 .

The plurality of mid-layer protrusions 200a may have a shape extending along the width direction. In addition, the plurality of mid-layer protrusions 200a may provide a plurality of out-layer grooves. For example, a mid-layer groove may be formed between two mid-layer protrusions 200a adjacent to each other among the plurality of mid-layer protrusions 200a. The plurality of mid-layer protrusions 200a may be arranged to alternate with each other along the width direction. In other words, the mid-layer protrusions 200a adjacent to each other among the plurality of mid-layer protrusions 200a may be disposed to be spaced apart from each other. The mid-layer protrusion 200a may include a first mid-layer protrusion 201a protruding upward and a second mid-layer protrusion 202a protruding downward.

A plurality of first mid-layer protrusions 201a may be provided to be introduced into a plurality of out-layer grooves. For example, when the first mid-layer protrusion 201a enters the out-layer groove, the plurality of first mid-layer protrusions 201a may contact the plurality of out-layer protrusions 100a. The plurality of first mid-layer protrusions 201a and the plurality of out-layer protrusions 100a may be configured not to move relative to each other in the width direction through frictional force when in contact with each other.

The first mid-layer protrusion 201a may have a shape in which the cross-sectional area increases toward the lower side. In other words, the width in the longitudinal direction of the first mid-layer protrusion 201a may have a shape that increases toward the lower side.

A plurality of second mid-layer protrusions 202a may be provided to be inserted into a plurality of support layer grooves to be described later. For example, when the second mid-layer protrusion 202a enters the support layer groove, the plurality of second mid-layer protrusions 202a may come into contact with a plurality of support layer protrusions 300a to be described later. When the plurality of second mid-layer protrusions 202a and the plurality of support layer protrusions 300a come into contact with each other, they may be configured not to move relative to each other in the width direction with respect to each other through frictional force.

The second mid-layer protrusion 202a may have a shape in which the cross-sectional area increases toward the upper side. In other words, the width in the longitudinal direction of the second mid-layer protrusion 202a may have a shape that increases toward the upper side. Also, the distance between the end of the first mid-layer protrusion 201a and the end of the second mid-layer protrusion 202a may be greater than the distance between the upper end of the outlayer 100 and the end of the outlayer protrusion 100a. .

The mid-center part 210 may be formed with a plurality of first mid-center protrusions 211a. For example, the first mid-center protrusion 211a may have a shape protruding upward. The mid-center part 210 may have a hardness different from that of the out-center part 110 . For example, the mid-center portion 210 may have greater hardness than the out-center portion 110 .

In other words, when the first pressure is applied downward to the mattress 1 , the mid-center portion 210 may have a relatively smaller thickness change than the out-center portion 110 . In addition, when a second pressure greater than the first pressure is applied to the mattress (1), the difference in thickness change between the mid-center portion 210 and the out-center portion 110 is when the first pressure is applied downward to the mattress (1). It may be smaller than a difference in thickness variation between the mid-center portion 210 and the out-center portion 110 of the .

The mid-side portion 220 may be connected to an edge of the mid-center portion 210 . For example, the mid-side portion 220 may be connected to the mid-center portion 210 along the periphery of the mid-center portion 210 in the horizontal direction. The mid-side portion 220 may have a hardness different from that of the mid-center portion 210 . For example, it may have a hardness greater than that of the mid-center portion 210 . In other words, when the same pressure is applied to the mid-center part 210 and the mid-side part 220 , the degree of deformation of the mid-side part 220 may be smaller than the degree of deformation of the mid-center part 210 .

The support layer 300 may support the outer layer 100 and the mid-layer 200 when the mattress 1 is in a stacked state. In addition, the support layer 300 may be disposed below the outer layer 100 .

In addition, a plurality of protrusions may be formed on the upper portion of the support layer 300 . In other words, the support layer 300 may have a plurality of protrusions protruding upward and a plurality of protrusions protruding downward, respectively, on both sides in the vertical direction. A plurality of support layer protrusions 300a may be formed on the support layer 300 .

The plurality of support layer protrusions 300a may form a plurality of support layer grooves. For example, a plurality of support layer grooves may be formed between two support layer protrusions 300a adjacent to each other among the plurality of support layer protrusions 300a.

In addition, the plurality of support layer protrusions 300a may have a shape extending along the width direction. The support layer protrusion 300a may have a shape in which the cross-sectional area increases toward the lower side. In other words, the support layer protrusion 300a may have a shape in which the width in the longitudinal direction increases toward the lower side.

In addition, the plurality of support layer protrusions 300a may provide a plurality of support layer grooves. For example, a support layer groove may be formed between two support layer protrusions 300a adjacent to each other among the plurality of support layer protrusions 300a. The plurality of support layer protrusions 300a may be arranged to alternate with each other in the longitudinal direction. In other words, the support layer protrusions 300a adjacent to each other among the plurality of support layer protrusions 300a may be disposed to be spaced apart from each other. The support layer protrusion 300a may include a support center protrusion 310a and a support side protrusion 320a.

In addition, the support layer groove may include a support center groove provided by the support center protrusion 310a and an outside groove provided by the support side protrusion 320a. The support layer 300 may include a support center portion 310 and a support side portion 320 .

A plurality of support center protrusions 310a may be formed in the support center part 310 . For example, the support center protrusion 310a may have a downwardly protruding shape. In addition, the support center part 310 may have different hardness from the out-center part 110 and the mid-center part 210 . For example, the support center part 310 may have greater hardness than the out-center part 110 and the mid-center part 210 .

The support side part 320 may be connected to the edge of the support center part 310 . For example, the support side part 320 may be connected to the support center part 310 along the periphery of the support center part 310 in the horizontal direction. The support side portion 320 may have a hardness different from that of the support center portion 310 . For example, it may have a hardness greater than that of the support center part 310 .

On the other hand, in addition to this configuration, according to the second embodiment of the present invention, the mattress (1) may be formed with a buffer space (S). Hereinafter, a second embodiment of the present invention will be described with further reference to FIGS. 4 and 5 . In describing the second embodiment, the differences when compared with the above-described embodiment are mainly described, and the same description and reference numerals refer to the above-described embodiment, and based on when the mattress 1 is placed in a laminated state let me explain

The buffer space (S) may alleviate the impact applied to the user when the user lays the body on the mattress (1). The buffer space S may include a first buffer space S1 at least partially surrounded by a plurality of out-layer protrusions 100a and a first mid-layer protrusion 201a. The first buffer space S1 may include a first upper buffer space S11 and a first lower buffer space S12.

The first upper buffer space S11 may be formed between the plurality of out-layer grooves and the plurality of first mid-layer protrusions 201a. A plurality of such first upper buffer spaces S11 may be provided. However, the spirit of the present invention is not limited thereto, and the first upper buffer space S11 may be a communicating space.

The first lower buffer space S12 may be disposed below the first upper buffer space S11. The first lower buffer space S12 may be formed between the plurality of mid-layer grooves and the out-layer protrusion 100a. A plurality of such first lower buffer spaces S12 may be provided. For example, the plurality of first lower buffer spaces S12 may be formed to alternate with the first upper buffer spaces S11 along the longitudinal direction.

The buffer space S may further include a second buffer space S2 at least partially surrounded by a plurality of second mid-layer projections 202a and support layer projections 300a. The second buffer space S2 may include a second upper buffer space S21 and a first lower buffer space S22.

The second upper buffer space S21 may be provided between the plurality of mid-layer grooves and the plurality of support layer protrusions 300a. A plurality of such second upper buffer spaces S21 may be provided. However, the spirit of the present invention is not limited thereto, and the second upper buffer space S21 may be a communicating space.

The second lower buffer space S22 may be disposed below the second upper buffer space S21. The second lower buffer space S22 may be formed between the plurality of support layer grooves and the second mid-layer protrusion 202a. A plurality of such second lower buffer spaces S22 may be provided. For example, the plurality of second lower buffer spaces S22 may be formed to alternate with the second upper buffer spaces S21 in the longitudinal direction.

On the other hand, in addition to this configuration, according to the third embodiment of the present invention, the mattress 1 may include a first area (T1), a second area (T2) and the remaining area. Hereinafter, a third embodiment of the present invention will be described with further reference to FIG. 5 . In describing the third embodiment, the differences when compared with the above-described embodiment are mainly described, and the same description and reference numerals refer to the above-described embodiment, and the mattress 1 is placed in a laminated state. let me explain

The first area T1 may be an area with a high frequency of contact with the user's head. This first area may be an area adjacent to one edge of the mattress 1 in the longitudinal direction. This first region (T1) may extend along the width direction to have a width equal to or smaller than the width of the mattress (1). In addition, the length in the longitudinal direction of the first region (T1) may be less than or equal to the thickness of the mattress (1).

The center of the first region (T1) may be disposed more adjacent to one end of the longitudinal direction of the mattress (1) than the center of the mattress (1). For example, in the longitudinal direction, the distance between the one end in the longitudinal direction of the first region T1 and the one end in the longitudinal direction of the mattress 1 is the other longitudinal end of the first region T1 and the mattress ( It may be greater than the distance between the centers of 1).

The volume of the first buffer space S1 formed in the first region T1 among the product of the volume of the first buffer space S1 and the first ratio may be less than 1. The first ratio is defined as the length of the first region T1 to the length of the mattress 1 in the longitudinal direction.

In addition, the volume of the second buffer space S2 formed in the first region T1 among the product of the volume of the second buffer space S2 and the first ratio may be less than 1. The first ratio is defined as the length of the first region T1 to the length of the mattress 1 in the longitudinal direction.

In addition, the volume of the first buffer space (S1) formed in the first area (T1) per first unit volume is formed in the remaining area except the first area (T1) and the second area (T2) of the mattress (1) It may be smaller than the volume of the first buffer space (S1). The first unit volume may mean the volume of the first buffer space (S1) per unit length in the longitudinal direction.

In addition, the volume of the second buffer space (S2) formed in the first area (T1) per second unit volume is formed in the remaining area except for the first area (T1) and the second area (T2) of the mattress (1) It may be smaller than the volume of the second buffer space (S2). The second unit volume may mean a volume of the second buffer space S2 per unit length in the longitudinal direction.

The second region T2 may be a region in which the user's waist and buttocks frequently contact each other. This second region (T2) may be a region adjacent to the central portion of the mattress (1) in the longitudinal direction. This second region (T2) may extend along the width direction to have a width equal to or smaller than the width of the mattress (1).

In addition, the length in the longitudinal direction of the second region (T2) may be less than or equal to the thickness of the mattress (1). Also, the length in the longitudinal direction of the second region T2 may be greater than or equal to a distance between the center of the second region T2 and the center of the first region T1 . For example, the length in the longitudinal direction of the second region T2 may be smaller than a distance between the center of the second region T2 and one end of the first region T1 in the longitudinal direction. One side in the longitudinal direction of the first region T1 means one side in a direction in which the center of the second region T2 faces the center of the first region T1 .

The center of the second area T2 may be disposed more adjacent to the center of the mattress 1 than the center of the first area T1 .

The volume of the first buffer space S1 formed in the second region T2 of the product of the volume of the first buffer space S1 and the second ratio may be less than 1. The second ratio is defined as the length of the second region T2 to the length of the mattress 1 in the longitudinal direction.

In addition, the volume of the first buffer space (S1) formed in the second area (T2) per first unit volume is formed in the remaining area except for the first area (T1) and the second area (T2) of the mattress (1) It may be smaller than the volume of the first buffer space (S1).

In addition, the volume of the second buffer space (S2) formed in the second area (T2) per second unit volume is formed in the remaining area except for the first area (T1) and the second area (T2) of the mattress (1) It may be smaller than the volume of the second buffer space (S2).

The volume of the first buffer space S1 per unit volume in the first area T1 and the second area T1 is the same per unit volume in the remaining area except for the first area T1 and the second area T1. It may be smaller than the volume of the first buffer space. Accordingly, when the user lies on the mattress (1), it is possible to prevent the relatively heavier parts of the mattress (1) in contact with the head, waist, and hips from sinking relatively more than other parts.

Although the embodiments of the present invention have been described as specific embodiments, these are merely examples, and the present invention is not limited thereto, and should be construed as having the widest scope according to the basic idea disclosed in the present specification. A person skilled in the art may implement a pattern of a shape not specified by combining/substituting the disclosed embodiments, without departing from the scope of the present invention. In addition, those skilled in the art can easily change or modify the disclosed embodiments based on the present specification, and it is clear that such changes or modifications also fall within the scope of the present invention.

1: Non-adhesive mattress 100: Outlayer
100a: outer layer protrusion 110: out center part
110a: protrusion out center 120: outside part
120a: outside projection 200: mid layer
200a: mid-layer projection 201a: first mid-layer projection
202a: second mid-layer projection 210: mid-center portion
210a: mid-center projection 211a: first mid-center projection
212a: second mid-center projection 220: mid-side portion
220a: mid-side projection 221a: first mid-side projection
222a: second mid-side protrusion 300: support layer
300a: support layer projection 310: support center part
310a: support center projection 320: support side portion
320a: support side projection S: buffer space
S1: first buffer space S11: first upper buffer space
S12: first lower buffer space S2: second buffer space
S21: second upper buffer space S22: second lower buffer space
T1: first area T2: second area

Claims (12)

an outlayer having a plurality of outlayer projections arranged along the longitudinal direction; and
A plurality of first mid-layer projections configured to be in contact with at least a portion of the plurality of out-layer projections when entering the plurality of out-layer grooves provided by the plurality of out-layer projections on the other side in the thickness direction, and the thickness a mid-layer in which a plurality of second mid-layer projections arranged along the longitudinal direction are formed on one side of the direction;
The out-layer and the mid-layer have different hardnesses,
Further comprising a support layer formed with a plurality of support layer projections arranged along the longitudinal direction,
The plurality of second mid-layer projections are configured to be in contact with at least a portion of the support layer projections when they are inserted into the plurality of support layer grooves provided by the support layer projections;
When the outer layer, the mid-layer, and the support layer are stacked in the thickness direction, the mattress may be placed in a stacked state,
When the mattress is in a stacked state, a first buffer space is formed, at least a portion of which is surrounded by the plurality of out-layer projections and the plurality of first mid-layer projections,
The first buffer space,
a plurality of first upper buffer spaces formed between the plurality of out-layer grooves and the plurality of first mid-layer protrusions; and
and a plurality of first lower buffer spaces formed between the plurality of mid-layer grooves and the outer layer protrusion and formed below the first upper buffer space.
Non-adhesive mattress. delete The method of claim 1,
The plurality of first mid-layer projections and the plurality of second mid-layer projections include:
The thickness direction and the longitudinal direction are formed to extend along a shifted width direction, arranged spaced apart along the longitudinal direction,
Non-adhesive mattresses. 4. The method of claim 3,
The first mid-layer protrusion has a shape protruding to face the other side in the thickness direction, and the second mid-layer protrusion has a shape protruding to face one side in the thickness direction,
The distance between the end of the first mid-layer protrusion and the end of the second mid-layer protrusion is greater than the distance between the one side of the outlayer in the thickness direction and the end of the out-layer protrusion,
Non-adhesive mattresses. The method of claim 1,
The outer layer is
Out Center Department; and an outside portion connected to an edge of the outer center portion,
In the thickness direction, the thickness of the outside portion is less than or equal to the thickness of the support layer,
Non-adhesive mattresses. 6. The method of claim 5,
The hardness of the outside portion is greater than the hardness of the outer center portion,
Non-adhesive mattresses. 7. The method of claim 6,
The mid-layer is
Having a hardness greater than the hardness of the outer center portion and smaller than the hardness of the support layer,
Non-adhesive mattresses. delete delete The method of claim 1,
The mattress is
It extends along the width direction to have a width less than or equal to the width of the mattress, the length in the longitudinal direction is smaller than the thickness of the mattress, and the center is at the end in the longitudinal direction of the mattress rather than the center of the mattress. a first region disposed more adjacently; and
It extends along the width direction to have a width less than or equal to the width of the mattress, and the length in the longitudinal direction is greater than the length in the longitudinal direction of the first area and is less than or equal to the thickness of the mattress, and the center is Including a second region disposed closer to the center of the mattress than to the center of the first region,
The second for the product of the volume of the first buffer space and the first ratio, the volume of the first buffer space formed in the first region, and the product of the volume of the first buffer space and the second ratio The volume of the first buffer space formed in the region is less than 1,
The first ratio is the length of the first region with respect to the length of the mattress in the longitudinal direction, and the second ratio is defined as the length of the second region with respect to the length of the mattress in the longitudinal direction. felled,
Non-adhesive mattresses. 11. The method of claim 10,
When the mattress is in a laminated state,
A second buffer space is formed, at least a portion of which is surrounded by the plurality of second mid-layer projections and the plurality of support layer projections,
Non-adhesive mattresses. 12. The method of claim 11,
The second buffer space,
a plurality of second upper buffering spaces provided between the plurality of mid-layer grooves and the plurality of support layer protrusions; and
A plurality of support layer grooves formed by the support layer protrusion and the second mid-layer protrusion are formed between the second mid-layer protrusion and include a plurality of second lower buffer spaces formed below the second upper buffer space.
Non-adhesive mattresses.

Images