Multilayer fabrics and coated articles
The multi-layer fabric structure addresses the inadequacies of conventional down comforters by maintaining a 'just right' sleeping environment of 33°C ± 1°C and 50% ± 5% RH, offering a thin, warm, and comfortable solution that enhances sleep efficiency and quality.
Patent Information
- Application Number
- JP2024124913
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2044-07-31
AI Technical Summary
Conventional down comforters fail to provide a thin yet warm option and do not effectively condition the in-bed environment to the 'just right' ideal temperature and humidity levels.
A multi-layer fabric structure comprising a first layer in contact with the body, a second layer for temperature adjustment, and additional layers for humidity control and heat insulation, designed to maintain a bed environment of 33°C ± 1°C and 50% ± 5% RH, enhancing heat dissipation and comfort.
The multi-layer fabric provides a thin, warm, and comfortable sleeping environment that promotes quick warmth, reduces core body temperature, and increases sleep efficiency by maintaining ideal temperature and humidity conditions, thereby shortening sleep onset time and improving sleep quality.
Smart Images
Figure 2026030762000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to multi-layer fabrics and coated articles. [Background technology]
[0002] BACKGROUND ART Down comforters are an example of comforters that have been used to sleep in a warm environment. The quilt disclosed in Patent Document 1 below is designed to improve heat retention and regulate temperature by using a quilt cover. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Utility Model Registration No. 3085805 Summary of the Invention [Problem to be solved by the invention]
[0004] Conventional down comforters are simply stuffed with feathers in order to achieve warmth, and as a result have not been able to provide a thin yet warm comforter. Taking the example of a duvet, prior art including Patent Document 1 only focuses on the structure of the duvet cover, and the duvet itself does not condition the in-bed environment to the "just right" ideal.
[0005] The present invention has been made in view of these circumstances, and aims to provide multi-layer fabrics and coverings that provide "just right" conditioning to the ideal environment. [Means for solving the problem]
[0006] In order to achieve the above object, a multilayer fabric according to one embodiment of the present invention comprises: A multilayer fabric covering at least a part of a human body as a target part, a first layer in contact with the target portion; a second layer disposed on the opposite side of the first layer from the target portion and configured to adjust the temperature of a space between the first layer and the target portion; It is equipped with:
[0007] In order to achieve the above object, a coated article according to one embodiment of the present invention comprises: A covering article for covering a target part, which is made using a multi-layer fabric covering at least a part of a human being as a target part, a first layer in contact with the target portion; a second layer disposed on the opposite side of the first layer from the target portion, and configured to adjust the temperature of a space between the first layer and the target portion; It is equipped with: [Effects of the Invention]
[0008] The present invention provides multi-layer fabrics and coverings that provide "just right" environmental conditioning. [Brief explanation of the drawings]
[0009] [Figure 1] FIG. 1 is a perspective view of a quilt as an example of a covered article made using a multi-layer fabric according to one embodiment of the present invention. [Figure 2] 2A and 2B are diagrams relating to the comforter of FIG. 1, in which (a) is a structural diagram of the multilayer fabric used in the comforter, and (b) is a cross-sectional view taken along line AA of (a). [Figure 3] FIG. 1 is a perspective view of a quilt as an example of a covering article made using a multi-layer fabric according to another embodiment of the present invention. [Figure 4] 4A and 4B are diagrams relating to the comforter of FIG. 3, in which (a) is a structural diagram of the multilayer fabric used in the comforter, and (b) is a cross-sectional view taken along line BB in (a). [Figure 5] FIG. 10 is a perspective view of a quilt as an example of a covering article made using a multi-layer fabric according to yet another embodiment of the present invention. [Figure 6] 4A and 4B are diagrams relating to the comforter of FIG. 3, in which (a) is a structural diagram of the multilayer fabric used in the comforter, and (b) is a cross-sectional view taken along line CC of (a). DETAILED DESCRIPTION OF THE INVENTION
[0010] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0011] First Embodiment FIG. 1 is a perspective view showing a quilt as an example of a covered article made using a multilayer fabric according to one embodiment (first embodiment) of the present invention. For the sake of explanation, arrow P in Fig. 1 indicates, for example, the up-down direction, arrow Q indicates, for example, the front-rear direction, and arrow R indicates, for example, the left-right direction.
[0012] A quilt 1 as an example of a covering article is made using a multi-layer fabric that covers target areas, for example, the area below the neck (shoulders, chest, abdomen, waist, legs, etc.). The comforter 1 has the function of creating an ideal temperature and humidity environment in the bed with just one comforter 1. In other words, the multi-layer fabric of the quilt 1 functions to condition the quilt 1 to the "just right" ideal sleeping environment.
[0013] The "ideal temperature environment" mentioned above is an environment where the temperature inside the bed is "33°C ± 1°C." Furthermore, the above-mentioned "ideal humidity environment" is an environment in which the humidity inside the bed is "50%±5% RH."
[0014] Duvet 1 is designed to condition the bed to the "just right" ideal environment by creating a temperature environment of "33°C ± 1°C" and a humidity environment of "50% ± 5% RH" inside the bed.
[0015] The duvet 1 is designed to contribute to lowering a person's core body temperature by conditioning the sleeping environment to the "just right" ideal environment described above.
[0016] Specifically, the duvet 1 is designed to create a temperature environment in the bed of "33°C ± 1°C" and a humidity environment in the bed of "50% ± 5% RH", thereby promoting heat dissipation from the extremities such as the fingertips, palms, and toes, thereby contributing to lowering the person's core body temperature.
[0017] The duvet 1 contributes to lowering a person's core body temperature, thereby shortening (reducing) the time it takes to fall asleep, which can lead to an increase in the amount of sleep time.
[0018] Furthermore, if it is not possible to create a temperature environment in the bed that keeps the temperature at 33°C ± 1°C, or a humidity environment that keeps the humidity at 50% ± 5% RH, for example, if the person gets cold, it will not be possible to promote heat dissipation from the extremities such as the fingertips, palms, and toes, which will not lead to a decrease in the person's core body temperature, resulting in an increase in the time it takes to fall asleep and an insomnia state.
[0019] The temperature in the bed that results in a temperature of 33°C ± 1°C and the humidity in the bed that results in a humidity of 50% ± 5% RH are values obtained by conducting various experiments (including experiments such as measuring electroencephalograms, details of which will be described later) (note that the above-mentioned temperature and humidity may be set as guidelines).
[0020] The comforter 1 is thin as shown in Figure 1. In other words, the comforter 1 is thin and warm, something that could not be achieved with conventional feather comforters (general feather comforters). Although not specifically shown, the duvet 1 is designed so that when folded for storage, for example, its thickness (thickness in the direction of arrow P) is significantly thinner than the thickness of a conventional feather duvet (a typical feather duvet) when folded.
[0021] As described above, the comforter 1 is thin and has no thickness even when folded, which of course makes it easy to store and keep. Furthermore, such a thin comforter 1 can of course be washed in a washing machine. Since the quilt 1 is thin and warm, it is not felt heavy while sleeping, and it goes without saying that one can get a comfortable sleep.
[0022] When a person's body temperature was measured 50 minutes after wearing Duvet 1 in an air-conditioned room (room temperature 23°C), the body temperature measured was higher than when wearing a conventional down duvet (a regular down duvet), demonstrating that Duvet 1 provides warmth that exceeds that of a down duvet (details of the experiment will be omitted). Furthermore, with Duvet 1, the time it takes for the temperature of the bed to rise by 4°C is reduced by 30% compared to a conventional down duvet (a typical down duvet), meaning the duvet warms up quickly and makes it less likely for the user to feel cold (details of the experiment will be omitted).
[0023] As described above, the duvet 1 can create a humidity environment in the bed of "50%±5%RH", thereby providing a comfortable sleeping experience without stuffiness.
[0024] As described above, the duvet 1 is functional and warm without becoming stuffy.
[0025] The comforter 1 shown in FIG. 1 is configured to have a five-layer structure in the vertical direction indicated by arrow P in order to condition the sleeping environment to the "just right" ideal sleeping environment described above. In addition, in order to prevent the "cotton" (described later) from shifting unevenly, the duvet 1 is quilted so that there are six squares in the front-to-back direction indicated by arrow Q and five squares in the left-to-right direction indicated by arrow R (the number of squares is an example).
[0026] In this embodiment, the comforter 1 is available in three sizes: single, semi-double, and double. The single size is 150cm left and right as indicated by the arrow R, 210cm front and back as indicated by the arrow Q, and weighs approximately 3.5kg. The semi-double size is 170 cm left to right as indicated by the arrow R, 210 cm front to back as indicated by the arrow Q, and weighs approximately 3.9 kg. The double size is 190 cm left to right as indicated by the arrow R, 210 cm front to back as indicated by the arrow Q, and weighs approximately 4.3 kg. The thickness of these three types is the same, and the specific values will be described later.
[0027] The construction of the five-layer structure of quilt 1 will now be described with reference to FIG. FIG. 2 is a diagram relating to the quilt of FIG. 1, where (a) is a structural diagram of the multilayer fabric used in the quilt, and (b) is a cross-sectional view taken along line AA of (a).
[0028] The quilt 1 is composed of a flannel fabric layer 11, a temperature-regulating granular cotton layer 12, a moisture-absorbing and heat-storing sheet layer 13, an aluminum heat-insulating sheet layer 14, and a flannel fabric layer 15. The quilt 1 is constructed to have a five-layer structure in the vertical direction indicated by arrow P (five layers is an example).
[0029] The flannel fabric layer 11 is provided as a layer that comes into contact with the target parts of the body covered by the quilt 1, such as the shoulders, chest, abdomen, waist, and legs, assuming that the target parts are the part below the neck. The flannel fabric layer 11 is the layer that is placed closest to the target area. In this embodiment, the flannel fabric layer 11 is made of 100% polyester (this configuration is an example).
[0030] The temperature regulating granular cotton layer 12 is a layer that is arranged on the opposite side of the flannel fabric layer 11 from the target area. In other words, the temperature regulating granular cotton layer 12 is the layer arranged second closest to the target area. The temperature-regulating granular cotton layer 12 is provided as a layer for regulating the temperature of the space (inside-bed environment) between the flannel fabric layer 11 and the above-mentioned target part. The reason why we use "wata" instead of "wata" which means cotton is because "wata" is a general term for fibers that are tangled together and in a clump.
[0031] The temperature-regulating granular cotton layer 12 is composed of temperature-regulating fibers that can regulate the temperature within a predetermined range when they come into contact with the target area, and one or more blending short fibers that are different from the temperature-regulating fibers and are used to blend with the temperature-regulating fibers. The temperature regulating granular cotton layer 12 is formed by intertwining the temperature regulating fiber and the blending short fiber into a mass. That is, the temperature regulating granular cotton layer 12 is formed in the shape of granular cotton.
[0032] The temperature regulating fiber is a short fiber that can regulate the temperature within a temperature range lower than the "just right" temperature mentioned above, and in this embodiment, a fiber made from recycled fiber (cellulose) is used (note that the temperature regulating fiber alone will not be enough to achieve the "just right" temperature, so it is assumed that it also includes a moisture absorption and heat storage sheet layer 13, etc., as described below). In this embodiment, the temperature-regulating fiber used is one that has a material dissolved into it that has the function of repeatedly absorbing and releasing heat to regulate temperature, and that can control thermal energy by changing from liquid to solid and from solid to liquid.
[0033] The above-mentioned blending staple fibers are short fibers that, when combined with temperature-regulating fibers, can provide bulkiness, heat retention, resistance to uneven distribution, washability (easy drying), softness, etc.
[0034] With regard to the above-mentioned combinations, blending hollow, relatively thick short fibers into the combination can contribute to bulkiness, heat retention, resistance to bias, and the like. Furthermore, blending hollow, relatively thin short fibers into the fabric can contribute to improved heat retention and less tendency to become distorted.
[0035] Furthermore, blending solid, relatively thick short fibers into the fabric can contribute to bulkiness, washability (ease of drying), and the like. Furthermore, blending solid, relatively thin short fibers into the material can contribute to softness and other properties. In consideration of cost, it is preferable to blend solid, relatively thick short fibers or solid, relatively thin short fibers.
[0036] The moisture absorbing and heat storing sheet layer 13 is a layer that is arranged on the opposite side of the temperature adjusting granular cotton layer 12 from the target portion. The moisture absorption and heat storage sheet layer 13 is arranged so as to be the third layer counting from the target part side. The moisture absorbing and heat storing sheet layer 13 is provided as a layer for storing the heat generated in the temperature adjusting granular cotton layer 12. The moisture absorbing and heat storing sheet layer 13 is provided as a layer that absorbs uncomfortable moisture from the target area.
[0037] The moisture absorption and heat storage sheet layer 13 is formed into a sheet-like cotton padding, unlike the temperature regulating granular cotton padding layer 12 which is in the form of granular cotton padding. The moisture absorbing and heat storing sheet layer 13 is provided as a layer that contributes to realizing the above-mentioned "just right" temperature. It has been confirmed through experiments that the moisture absorption and heat storage sheet layer 13 can absorb moisture up to a humidity of 50%.
[0038] In this embodiment, the moisture absorption and heat storage sheet layer 13 is made of 60% polyester, 30% rayon, and 10% synthetic fiber (acrylate) (this composition is an example).
[0039] The aluminum heat insulating sheet layer 14 is a layer that is arranged on the opposite side of the moisture absorbing and heat storing sheet layer 13 from the temperature adjusting granular cotton layer 12. The aluminum heat insulating sheet layer 14 is provided as a layer that restricts the transfer of heat stored in the moisture absorbing and heat storing sheet layer 13 . The aluminum heat insulating sheet layer 14 is arranged so as to be the fourth layer counting from the target portion side. The aluminum heat insulating sheet layer 14 is configured to include an aluminum sheet (this configuration is an example).
[0040] The flannel fabric layer 15 is a layer that is disposed on the opposite side of the aluminum heat insulating sheet layer 14 from the moisture absorbing and heat storing sheet layer 13 . The flannel fabric layer 15 is positioned so that it is the fifth layer counting from the side of the target area, ie the layer furthest away.
[0041] The fifth flannel fabric layer 15 is sewn together with the first flannel fabric layer 11 (including the quilting process described above), and sandwiched between the first flannel fabric layer 11 and the second temperature regulating granular cotton layer 12, the third moisture absorbing and heat storing sheet layer 13, and the fourth aluminum heat insulating sheet layer 14. In this embodiment, the flannel fabric layer 15 is made of 100% polyester (this configuration is an example) and is the same as the first flannel fabric layer 11. The first flannel fabric layer 11 and the fifth flannel fabric layer 15 are treated with shea butter to achieve an exquisite feel against the skin. Regarding the quilting mentioned above, this is a three-dimensional quilted structure, which makes it possible to realize a structure that makes it difficult for heat to escape through the seams.
[0042] Although not particularly limited, the thickness of the quilt 1 in the direction of arrow P is set to be 4 cm. Specifically, the duvet 1 is configured so that the flannel fabric layer 11 is 0.6 cm thick, the temperature regulating granular cotton layer 12 is 2.3 cm thick, the moisture absorbing and heat storing sheet layer 13 is 0.4 cm thick, the aluminum insulating sheet layer 14 is 0.1 cm thick, and the flannel fabric layer 15 is 0.6 cm thick, for a total thickness of 4 cm.
[0043] Furthermore, sensory testing showed that the 4cm thick quilt 1 provided just the right amount of warmth. In contrast, the 10cm thick quilt felt too hot, and the 3cm thick quilt felt too cold.
[0044] As explained above with reference to Figures 1 and 2, the duvet 1 can be conditioned to the "just right" ideal bed environment (a temperature environment in the bed of "33°C ± 1°C" and a humidity environment in the bed of "50% ± 5% RH"). The duvet 1 can contribute to lowering a person's core body temperature by conditioning the sleeping environment to an ideal "just right" temperature.
[0045] It goes without saying that the comforter 1 in Figs. 1 and 2 is not simply designed to provide warmth, unlike the prior art including the above-mentioned Patent Document 1. The heat emitted by the human body is the heat source of the quilt 1, which is adjusted to a comfortable temperature by the second layer, temperature-regulating granular cotton layer 12, and stored in the third layer, moisture-absorbing and heat-storing sheet layer 13, and the heat is further firmly trapped in the fourth layer, aluminum heat-insulating sheet layer 14, so it is both thin and warm, creating a comfortable sleeping environment.
[0046] Here, we will provide additional information on various evaluations of Duvet 1. When objective sleep evaluation was performed using electroencephalogram (EEG) measurements, results showed that Duvet 1 significantly increased total sleep time by more than 30 minutes compared to the comparison subject (illustrations omitted). When examining the extension of sleep time through EEG measurements, it was found that it had an effect on the "depth" and "efficiency" of sleep. Although not specifically shown, in terms of depth, it was found that "stage 2" of non-REM sleep increased by 22 minutes compared to the control group. In terms of efficiency, sleep efficiency (the amount of time spent asleep in bed) was found to increase by 5.8% compared to the control group. This suggests that the increase in total sleep time is due to increased sleep efficiency, resulting from being able to maintain stage 2 non-REM sleep for longer periods of time.
[0047] In addition, we investigated how improvements in objective sleep affect subjective sleep, and found that using Duvet 1 led to a sleep experience that was described as "deeper sleep" compared to the comparison control. This suggests that extending the sleep time leads to a sense of deep sleep in the subject. From the above, it can be said that the sleeping environment provided by the temperature and humidity control function of Duvet 1 can improve sleep both subjectively and objectively.
[0048] We have already discussed lowering core body temperature above, but we would like to add a little more here. Results have shown that when using Duvet 1, core body temperature tends to be maintained low from the middle to latter stages of sleep. The comforter 1 can realize a comfortable in-bed environment due to its temperature and humidity control functions, thereby realizing more efficient regulation of core body temperature.
[0049] Although the present invention has been described above with reference to FIGS. 1 and 2, it is not intended that the present invention be limited to the above-described embodiment. Furthermore, the effects described in this embodiment are merely a list of the most preferable effects resulting from the present invention, and the effects of the present invention are not limited to those described in this embodiment.
[0050] In this embodiment, a duvet 1 has been described as an example of a covering product made using a multi-layer fabric (a fabric including a flannel fabric layer 11, a temperature-regulating granular cotton layer 12, a moisture-absorbing and heat-storing sheet layer 13, an aluminum insulation sheet layer 14, and a flannel fabric layer 15), but this is not intended to be limiting. In other words, the above-described configuration and structure can also be applied to pajamas, blankets, light blankets, double blankets, mattresses, mattress pads, etc.
[0051] In addition, in this embodiment, the structure is five layers, consisting of a flannel fabric layer 11, a temperature-regulating granular cotton layer 12, a moisture-absorbing and heat-storing sheet layer 13, an aluminum insulation sheet layer 14, and a flannel fabric layer 15, but the number of layers is not limited to this. In addition, in this embodiment, three sizes are provided: single, semi-double, and double; however, this is not limiting and a queen size may also be provided, as will be described later.
[0052] Second Embodiment FIG. 3 is a perspective view showing a quilt as an example of a covered article made using a multilayer fabric according to another embodiment (second embodiment) of the present invention. For the sake of explanation, the arrow P in Fig. 3 indicates, for example, the up-down direction, the arrow Q indicates, for example, the front-rear direction, and the arrow R indicates, for example, the left-right direction.
[0053] The comforter 2, which is an example of a covering article, is made using a multi-layer fabric that covers target areas, for example, the area below the neck (shoulders, chest, abdomen, waist, legs, etc.). The comforter 2 has the function of creating an ideal temperature environment in the bed with just one comforter 2. In other words, the multi-layer fabric of the duvet 2 functions to condition the duvet 2 to an ideal "just right" sleeping environment (a refreshing and comfortable sleeping environment). In addition, any content that overlaps with the explanation of the duvet 1 in Figures 1 and 2 will be omitted as appropriate.
[0054] The comforter 2 is thin, similar to the comforter 1 in Fig. 1. The comforter 2 is thin and has no thickness even when folded, making it easy to store and keep. Such a thin comforter 2 can be washed in a washing machine. Furthermore, because the comforter 2 is thin, it is hard to feel its weight while sleeping, allowing for a comfortable sleep.
[0055] The duvet 2 shown in Figure 3 is configured to have, for example, a five-layer structure in the vertical direction indicated by arrow P in order to condition the duvet 2 to the above-mentioned "just right" ideal in-bed environment (a refreshing and comfortable in-bed environment). The comforter 2 is different from the comforter 1 in FIG. 1 in that it is quilted as shown in FIG. 3 (this is an example, but it has multiple quilts that form straight dashed lines in the front-to-back direction as indicated by arrow Q).
[0056] Duvet 2 is available in four sizes: single, semi-double, double, and queen. The single size is 150 cm left to right as indicated by the arrow R, and 210 cm front to back as indicated by the arrow Q. In addition, the semi-double size is 170 cm left to right as indicated by the arrow R, and 210 cm front to back as indicated by the arrow Q. In addition, the double size is 190 cm left to right as indicated by the arrow R, and 210 cm front to back as indicated by the arrow Q. In addition, the queen size is 210 cm from side to side as indicated by the arrow R, and 210 cm from front to back as indicated by the arrow Q.
[0057] The construction of the five-layer structure of quilt 2 will now be described with reference to FIG. FIG. 4 is a diagram relating to the quilt of FIG. 3, where (a) is a structural diagram of the multilayer fabric used in the quilt, and (b) is a cross-sectional view taken along line BB in (a).
[0058] The comforter 2 is composed of a lining layer 21 which is the first layer, a filling layer 22 which is the second layer and is made up of, for example, three layers, and a surface layer 23 which is the third layer. The quilt 2 is configured to have a five-layer structure in the vertical direction indicated by arrow P (five layers is an example).
[0059] The lining layer 21 is provided as a layer that comes into contact with the target parts covered by the quilt 2, such as the shoulders, chest, abdomen, waist, and legs, assuming that the target parts are the part below the neck of a person. The backing layer 21 is the layer that is positioned closest to the target area. The lining layer 21 is, for example, a layer of slightly raised knit fabric characterized by a silky touch. The backing layer 21 is made of 100% polyester fiber or recycled fiber such as rayon or Tencel (here, 100% polyester fiber is used).
[0060] The filling layer 22 is composed of three layers, the second of which is a middle temperature regulating granular filling layer 22a, and the remaining two layers, artificial feather material layers 22b and 22c, which sandwich the temperature regulating granular filling layer 22a. The padding layer 22 is a layer that is disposed on the opposite side of the lining layer 21 from the target area. That is, the padding layer 22 is the layer disposed second closest to the target area. The padding layer 22 is provided as a layer for regulating the temperature of the space (inside the bed environment) between the lining layer 21 and the above-mentioned target part.
[0061] The temperature-regulating granular cotton layer 22a is composed of temperature-regulating fibers that can regulate the temperature within a predetermined range when they come into contact with the above-mentioned target area, and one or more blending short fibers that are different from the temperature-regulating fibers and are intended to be blended with the temperature-regulating fibers. The temperature regulating granular cotton layer 22a is formed by intertwining the temperature regulating fiber and the blending short fiber into a mass. That is, the temperature regulating granular cotton layer 22a is formed in the shape of granular cotton. The temperature regulating granular cotton layer 22a is similar to the temperature regulating granular cotton layer 12 in Figures 1 and 2 (here, for example, it is composed of 40% polyester, 40% rayon, and 20% recycled fiber (cellulose), but if it does not contain rayon to regulate humidity, it has the same composition of 80% polyester and 20% recycled fiber (cellulose) as the temperature regulating granular cotton layer 12), and detailed explanation will be omitted. The temperature-regulating granular cotton layer 22a contains, for example, 40% rayon to regulate humidity, and can contribute to realizing a fresh feeling by regulating the humidity of the in-bed environment.
[0062] The artificial feather material layers 22b and 22c are layers that provide the lightness and bulkiness of feathers. The artificial down material layers 22b and 22c are made of, for example, 100% polyester and have a fiber structure similar to that of artificial down. The artificial feather material layers 22b and 22c are layers that ensure heat retention. Here, the artificial feather material layers 22b and 22c have the same configuration, but it is also possible to give the upper artificial feather material layer 22c of the artificial feather material layers 22b and 22c, for example, a humidity control function (since the functions may be different, the artificial feather material layers 22b and 22c are shown with different hatching in Figure 4).
[0063] The filling layer 22, which is made up of three layers, namely the lower layer being an artificial down material layer 22b, the middle layer (the middle layer) being a temperature regulating granular filling layer 22a, and the upper layer being an artificial down material layer 22c, is capable of realizing a temperature environment in the bed of "33°C ± 1°C." In other words, the filling layer 22 is a layer that conditions the "just right" ideal in-bed environment (a refreshing and comfortable in-bed environment).
[0064] The outer layer 23 is the fifth layer counting from the first lining layer 21, and is a layer disposed on the opposite side of the padding layer 22 from the lining layer 21. The surface layer 23 is arranged so as to be the layer farthest from the target part side.
[0065] The fifth outer layer 23 is sewn together with the first inner lining layer 21 (including the quilting process described above), and sandwiches the padding layer 22 between the outer layer 23 and the inner lining layer 21 so as to house the padding layer 22. In this embodiment, the outer layer 23 is made of 100% polyester (this configuration is an example) and is the same as the inner layer 21.
[0066] In the above-mentioned configuration and structure, the comforter 2 is set so that the thickness in the direction of arrow P is 3.9 cm in total for the five-layer structure, although this is not particularly limited. Specifically, the duvet 2 is configured so that the first lining layer 21 is 0.2 cm thick, the second artificial down material layer 22b is 1 cm thick, the third temperature regulating granular cotton layer 22a is 1.5 cm thick, the fourth artificial down material layer 22c is 1 cm thick, and the fifth outer layer 23 is 0.2 cm thick, for a total thickness of 3.9 cm.
[0067] The duvet 2 in Figures 3 and 4 has the above-mentioned configuration and structure, and can be conditioned to an ideal "just right" sleeping environment (a refreshing and comfortable sleeping environment) (the duvet 2 can be provided as a duvet suitable for all seasons).
[0068] Although the present invention has been described above with reference to FIGS. 3 and 4, it is not intended that the present invention be limited to the above-described other embodiments. Furthermore, the effects described in other embodiments are merely a list of the most preferable effects resulting from the present invention, and the effects of the present invention are not limited to those described in other embodiments.
[0069] In other embodiments, a duvet 2 has been described as an example of a covering product made using a multi-layer fabric (lining layer 21, filling layer 22 (artificial down material layer 22b, temperature regulating granular batting layer 22a, artificial down material layer 22c), and outer layer 23), but this is not intended to be limiting. In other words, the above-described configuration and structure can also be applied to pajamas, blankets, light blankets, double blankets, mattresses, mattress pads, etc.
[0070] In other embodiments, the structure was five layers consisting of a lining layer 21, a filling layer 22 (artificial down material layer 22b, temperature regulating granular filling layer 22a, artificial down material layer 22c), and an outer layer 23, but the number of layers is not limited to this. Furthermore, although the filling layer 22 has a three-layer structure consisting of an artificial down material layer 22b, a temperature-regulating granular filling layer 22a, and an artificial down material layer 22c, the number of layers is not limited to this (for example, a two-layer structure may be made without using either the artificial down material layers 22b and 22c).
[0071] <Third embodiment> FIG. 5 is a perspective view showing a quilt as an example of a covered article made using a multilayer fabric according to yet another embodiment (third embodiment) of the present invention. For the sake of explanation, arrow P in Fig. 5 indicates, for example, the up-down direction, arrow Q indicates, for example, the front-rear direction, and arrow R indicates, for example, the left-right direction.
[0072] The comforter 3, which is an example of a covering article, is made using a multi-layer fabric that covers target areas, for example, the area below the neck (shoulders, chest, abdomen, waist, legs, etc.). The comforter 3 has the function of creating an ideal temperature environment in the bed with just one comforter 3. In other words, the multi-layer fabric of the comforter 3 functions to condition the comforter 3 to an ideal "just right" sleeping environment (a refreshing and comfortable sleeping environment). In addition, content that overlaps with the explanation of the duvet 1 in Figures 1 and 2 and the duvet 2 in Figures 3 and 4 will be omitted as appropriate.
[0073] The comforter 3 is thinner (about 70% thinner) than the comforter 1 in FIG. 1 and the comforter 2 in FIG. 3. The comforter 3 is thin and has no thickness even when folded, making it easy to store and keep. Such a thin comforter 3 can be washed in a washing machine. Furthermore, because the comforter 3 is thin, it is hard to feel its weight while sleeping, allowing for a comfortable sleep.
[0074] The duvet 3 shown in Figure 5 is configured to have, for example, a three-layer structure in the vertical direction indicated by arrow P in order to condition the duvet 3 to the above-mentioned "just right" ideal bed environment (a refreshing and comfortable bed environment). The comforter 3 is different from the comforter 1 in FIG. 1 and the comforter 2 in FIG. 3 in that it is quilted as shown in FIG. 5 (which is an example, but has multiple quilts that create arc-shaped broken lines).
[0075] Like Duvet 2 in Figure 3, Duvet 3 is available in four sizes: single, semi-double, double, and queen. The single size of the duvet 3 is 140 cm in the left-right direction indicated by the arrow R and 200 cm in the front-to-back direction indicated by the arrow Q. In addition, the semi-double size is 160 cm left and right as indicated by the arrow R, and 200 cm front and back as indicated by the arrow Q. In addition, the double size is 180 cm left and right as indicated by the arrow R, and 200 cm front and back as indicated by the arrow Q. In addition, the queen size is 200 cm left to right as indicated by the arrow R, and 200 cm front to back as indicated by the arrow Q.
[0076] The construction of the three-layer structure of the quilt 3 will now be described with reference to FIG. FIG. 6 is a diagram relating to the quilt of FIG. 3, where (a) is a structural diagram of the multilayer fabric used in the quilt, and (b) is a cross-sectional view taken along line CC of (a).
[0077] The quilt 3 is composed of a lining layer 31 as the first layer, a temperature-regulating granular cotton layer 32 as the second layer, and a surface layer 33 as the third layer. The quilt 2 is configured to have a five-layer structure in the vertical direction indicated by arrow P (five layers is an example).
[0078] The lining layer 31 is provided as a layer that comes into contact with the target parts of the body covered by the comforter 3, such as the shoulders, chest, abdomen, waist, and legs, assuming that the target parts are the part below the neck. The backing layer 31 is the layer that is positioned closest to the target area. The lining layer 31 is, for example, a cool knit layer characterized by a silky feel with a cool touch function and moisture-wicking and quick-drying properties. It is assumed here that the lining layer 31 has a fiber composition of 60% nylon, 30% polyester, and 10% polyurethane (this is an example).
[0079] The temperature regulating granular cotton layer 32 is a layer that is arranged on the opposite side of the lining layer 31 from the above-mentioned target area. That is, the temperature regulating granular cotton layer 32 is the layer arranged second closest to the target part. The temperature-regulating granular cotton layer 32 is provided as a layer for regulating the temperature of the space (inside-bed environment) between the lining layer 21 and the above-mentioned target part. In addition, the temperature-regulating granular cotton layer 32 is provided as a layer that can lower the humidity in the space (bed environment) between the lining layer 21 and the above-mentioned target area compared to, for example, a typical summer futon (test results have shown that the humidity in the bed can be reduced by 9.2%).
[0080] The temperature-regulating granular cotton layer 32 is composed of temperature-regulating fibers that can regulate the temperature within a predetermined range when they come into contact with the target area, and one or more blending short fibers that are different from the temperature-regulating fibers and are used to blend with the temperature-regulating fibers. The temperature regulating granular cotton layer 32 is formed by intertwining the temperature regulating fiber and the blending short fiber into a mass. That is, the temperature regulating granular cotton layer 32 is formed in the shape of granular cotton. The temperature regulating granular cotton layer 32 is basically the same as the temperature regulating granular cotton layer 12 in Figures 1 and 2 (for example, 80% polyester, 20% recycled fiber (cellulose)), and detailed explanation will be omitted. The temperature-regulating granular cotton layer 32 is processed so that a dehumidifying material (type B silica gel) adheres to the cotton. This processing allows the temperature-regulating granular cotton layer 32 (comforter 3) to reduce the humidity inside the bed by 9.2% compared to, for example, a typical summer quilt as described above. The temperature regulating granular cotton layer 32 can contribute to achieving a feeling of freshness.
[0081] The temperature-regulating granular cotton layer 32 is a layer that conditions the bed environment to an ideal "just right" temperature. Note that the third embodiment does not have the same heat-retaining function as the first and second embodiments, so it is a layer that adjusts the temperature inside the bed to a minimum of 32°C, for example.
[0082] The outer layer 33 is the third layer counting from the first lining layer 31, and is the layer positioned on the opposite side of the lining layer 31 with respect to the temperature regulating granular cotton layer 32. The surface layer 33 is arranged so as to be the layer farthest from the target part side.
[0083] The third outer layer 33 is sewn to the first lining layer 31 (including the quilting process described above), and the temperature-regulating granular cotton layer 32 is sandwiched between the lining layer 31 and the third outer layer 33 so as to house it. In this embodiment, the outer layer 33 is made of the same fiber composition as the inner layer 31, which is 60% nylon, 30% polyester, and 10% polyurethane.
[0084] In the above-mentioned configuration and structure, the comforter 3 is designed so that the thickness in the direction of arrow P is 1.7 cm in total for the three-layer structure, although this is not particularly limited. Specifically, the duvet 3 is configured so that the first lining layer 31 is 0.1 cm thick, the second temperature-regulating granular cotton layer 32 is 1.5 cm thick, and the third outer layer 33 is 0.1 cm thick, for a total thickness of 1.7 cm.
[0085] The duvet 3 in Figures 5 and 6 has the above-mentioned configuration and structure, and can be conditioned to an ideal "just right" sleeping environment (a refreshing and comfortable sleeping environment) (the duvet 3 can be provided as a duvet suitable for summer use).
[0086] Although the present invention has been described above with reference to FIGS. 5 and 6, it is not intended that the present invention be limited to the above-described other embodiments. Furthermore, the effects described in other embodiments are merely a list of the most preferable effects resulting from the present invention, and the effects of the present invention are not limited to those described in other embodiments.
[0087] In other embodiments, a duvet 3 has been described as an example of a covering article made using a multi-layer fabric (lining layer 31, temperature-regulating granular batting layer 32, and outer layer 33), but this is not intended to be limiting. In other words, the above-described configuration and structure can also be applied to pajamas, blankets, light blankets, double blankets, mattresses, mattress pads, etc.
[0088] In addition, in other embodiments, the structure is three layers, consisting of a lining layer 31, a temperature regulating granular cotton layer 32, and a surface layer 33, but the number of layers is not limited to this.
[0089] The multi-layer fabric to which the present invention is applied may have the following structure and may take various forms.
[0090] That is, the multi-layer fabric to which the present invention is applied (for example, the multi-layer fabric for making the quilt 1 in Figs. 1 and 2, the quilt 2 in Figs. 3 and 4, and the quilt 3 in Figs. 5 and 6) is A multi-layer fabric covering at least a part of a person as a target part (for example, shoulders, chest, abdomen, waist, legs, etc. below the neck of a person), a first layer (e.g., flannel fabric layer 11 in FIGS. 1 and 2, lining layer 21 in FIGS. 3 and 4, and lining layer 31 in FIGS. 5 and 6) that comes into contact with the target area; A second layer (e.g., the temperature-regulating granular batting layer 12 in FIGS. 1 and 2, the filling layer 22 in FIGS. 3 and 4, and the temperature-regulating granular batting layer 32 in FIGS. 5 and 6) is arranged on the opposite side of the target area relative to the first layer and regulates the temperature of the space between the first layer and the target area (e.g., the bed). It is enough if you have these. According to the present invention, by providing a first layer and a second layer, it is possible to provide a multi-layer fabric that not only provides warmth but also provides conditioning to an ideal environment that is just right.
[0091] Furthermore, according to the multilayer fabric to which the present invention is applied, The device further includes a third layer (for example, the moisture absorption and heat storage sheet layer 13 in FIGS. 1 and 2) that is disposed on the opposite side of the second layer from the first layer and that stores heat generated in the second layer and absorbs moisture. It is preferable. According to the present invention, the provision of a third layer can further contribute to providing a multi-layer fabric.
[0092] Furthermore, according to the multilayer fabric to which the present invention is applied, The heat exchanger further includes a fourth layer (e.g., aluminum heat insulating sheet layer 14 in FIGS. 1 and 2 ) disposed on the opposite side of the third layer from the second layer, and restricting the transfer of the heat stored in the third layer. It is preferable. According to the present invention, the provision of a fourth layer can further contribute to providing a multi-layer fabric.
[0093] Furthermore, according to the multilayer fabric to which the present invention is applied, a fifth layer (e.g., flannel fabric layer 15 in FIGS. 1 and 2) disposed on the opposite side of the fourth layer from the third layer, stitched to the first layer, and sandwiched between the first layer and the fourth layer to house the second layer, the third layer, and the fourth layer; It is preferable. According to the present invention, the provision of a fifth layer can further contribute to providing a multi-layer fabric.
[0094] Furthermore, according to the multilayer fabric to which the present invention is applied, The temperature of the space is adjusted to 33°C ± 1°C. It is preferable. According to the present invention, for example, when the multi-layer fabric is a quilt, the temperature that provides the "just right" ideal in-bed environment can be 33°C ± 1°C.
[0095] Furthermore, according to the multilayer fabric to which the present invention is applied, The second layer is A temperature-regulating fiber that can regulate the temperature within a predetermined range when it comes into contact with the target part (for example, a short fiber that can regulate the temperature within a temperature range lower than the "just right" temperature as described above, and is made of recycled fiber (cellulose)), one or more blending staple fibers that are different from the temperature regulating fiber and are to be blended with the temperature regulating fiber (for example, the above-mentioned staple fibers that, when combined with the temperature regulating fiber, can provide bulkiness, heat retention, resistance to bias, washability, softness, etc.); Equipped with It is preferable. According to the present invention, a better second layer can be provided.
[0096] Furthermore, according to the multilayer fabric to which the present invention is applied, The second layer is formed into a granular shape. It is preferable. According to the present invention, for example, stuffing of "cotton" can be easily carried out by blowing.
[0097] The coated article to which the present invention is applied is sufficient as long as it has the following configuration, and various embodiments can be adopted. That is, the covered article to which the present invention is applied (for example, the comforter 1 in FIGS. 1 and 2 ) is In a covering article (e.g., the comforter 1 in FIGS. 1 and 2 ) that covers at least a part of a person as a target part (e.g., the shoulders, chest, abdomen, waist, legs, etc. below the neck of a person) and is made using a multilayer fabric that covers the target part, a first layer (e.g., flannel fabric layer 11 in Figures 1 and 2) that contacts the target area; A second layer (e.g., the temperature-regulating granular layer 12 in FIGS. 1 and 2) is arranged on the opposite side of the target area with respect to the first layer and adjusts the temperature of the space between the first layer and the target area (e.g., the bed described above); It is enough if you have these. The present invention thus contributes to the provision of a covering article made of a multi-layer fabric that provides "just right" conditioning to the ideal environment by providing a first layer and a second layer.
[0098] Furthermore, according to the coated article to which the present invention is applied, The covering article is a comforter (e.g., comforter 1 in FIGS. 1 and 2) that covers the target part when the person is sleeping. It is preferable. The present invention can contribute to the provision of a quilt that conditions the body to an ideal "just right" environment. [Explanation of symbols]
[0099] 1···Duvet 11. Flannel fabric layer 12. Temperature-regulating granular cotton layer 13. Moisture absorption and heat storage sheet layer 14. Aluminum insulation sheet layer 15. Flannel fabric layer
Claims
1. A multilayer fabric covering at least a part of a human body as a target part, a first layer contacting the target portion; a second layer disposed on the opposite side of the first layer from the target portion and configured to adjust the temperature of a space between the first layer and the target portion; Equipped with Multi-layer fabric.
2. The mattress further includes a third layer disposed on the opposite side of the second layer from the first layer, the third layer storing heat generated in the second layer and absorbing moisture. The multi-layer fabric of claim 1 .
3. The heating element further includes a fourth layer disposed on the opposite side of the third layer from the second layer, and restricting the transfer of the heat stored in the third layer. The multi-layer fabric of claim 2.
4. a fifth layer disposed on the opposite side of the fourth layer from the third layer, sewn to the first layer, and sandwiched between the first layer and the fifth layer to house the second layer, the third layer, and the fourth layer; The multi-layer fabric of claim 3.
5. The temperature of the space is adjusted to 33°C ± 1°C. The multi-layer fabric of claim 1 .
6. The second layer is a temperature regulating fiber capable of regulating the temperature within a predetermined range when it comes into contact with the target part; one or more blending staple fibers that are different from the temperature regulating fiber and are to be blended with the temperature regulating fiber; Equipped with The multi-layer fabric of claim 1 .
7. The second layer is formed into a granular shape. The multi-layer fabric of claim 6.
8. A covering article for covering a target part, which is made using a multi-layer fabric covering at least a part of a human being as a target part, a first layer contacting the target portion; a second layer disposed on the opposite side of the first layer from the target portion, and configured to adjust the temperature of a space between the first layer and the target portion; Equipped with Coated products.
9. The covering article is a quilt that covers the target part when the person is sleeping. The coated article according to claim 8.
Citation Information
Patent Citations
combination duvet cover
JP3085805U