JP2017187412A - Pillow production method and pillow production device - Google Patents

Pillow production method and pillow production device Download PDF

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JP2017187412A
JP2017187412A JP2016077107A JP2016077107A JP2017187412A JP 2017187412 A JP2017187412 A JP 2017187412A JP 2016077107 A JP2016077107 A JP 2016077107A JP 2016077107 A JP2016077107 A JP 2016077107A JP 2017187412 A JP2017187412 A JP 2017187412A
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pillow
neck
height
target
subject
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JP6763507B2 (en
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教夫 伊能
Michio Ino
教夫 伊能
木村 仁
Hitoshi Kimura
仁 木村
昭季 倉元
Akisue Kuramoto
昭季 倉元
直人 関山
Naoto Sekiyama
直人 関山
弘幸 小野
Hiroyuki Ono
弘幸 小野
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Tokyo Institute of Technology NUC
Fujibed Kogyo Co Ltd
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Tokyo Institute of Technology NUC
Fujibed Kogyo Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a pillow production method and a pillow production device for producing a pillow which gives an optimal sleeping comfort to a subject.SOLUTION: In a step 1101, a median sagittal plane (lateral center plane) of a subject on a pillow is calculated. In a step 1102, a ridge line curve of a neck and an occiput of the subject from the median sagittal plane of the subject is extracted, and a depth on a recess part which becomes dent by largest distance, on the neck to the occiput on the ridge line curve is set to a neck recess depth d. In a step 1103, a target pillow neck height H', and a target pillow occiput height H' are set to satisfy H'(mm)←-0.25d+73H'(mm)←0.15d+43. In a step 1104, a filling material F is filled in the pillow so that the pillow neck height Hand pillow occiput height Hbecome the target pillow neck height H' and target pillow occiput height H', and loads on the pillow neck part and pillow occiput become a prescribed value.SELECTED DRAWING: Figure 10

Description

本発明は、被験者に最適な枕を製造するための枕製造方法及び枕製造装置に関する。   The present invention relates to a pillow manufacturing method and a pillow manufacturing apparatus for manufacturing a pillow optimal for a subject.

たとえば、枕は快適な睡眠を行う上で不可欠な寝具であり、枕を利用して仰臥位で眠る姿勢は自然体の立位姿勢に近いと医学関係者が提唱している。   For example, a pillow is an indispensable bedding for a comfortable sleep, and a medical person advocates that a posture of sleeping in a supine position using a pillow is close to a standing posture of a natural body.

従来の枕製造方法は、立位姿勢時の被験者の頸部及び後頭部の1次元形状または2次元形状を測定し、マットレス(敷寝具)と被験者の頸部及び後頭部との空隙を埋めるように枕の形状を決定する。従って、枕と被験者の頸部との間に空隙は存在しない。上述の立位姿勢の測定は被験者の背中の延長線に対して顔面を5°程度傾斜させた状態で背中の延長線に対する頸部及び後頭部の寸法を測定することによって実現する(参照:特許文献1、2)。   The conventional pillow manufacturing method measures the one-dimensional shape or two-dimensional shape of the neck and occipital region of the subject in a standing posture, and fills the gap between the mattress (bedclothes) and the neck and occipital region of the subject. Determine the shape. Therefore, there is no gap between the pillow and the subject's neck. The measurement of the above-mentioned standing posture is realized by measuring the dimensions of the neck and the occipital region with respect to the extension line of the back in a state where the face is inclined by about 5 ° with respect to the extension line of the subject's back (see: Patent Document). 1, 2).

実開平6−87802号公報Japanese Utility Model Publication No. 6-87802 特開2006−334299号公報JP 2006-334299 A

しかしながら、上述の従来の枕製造方法によれば、枕が被験者の頸部に接触するように枕の形状を決定しているので、実際には、被験者の最適な寝心地を得られないという課題がある。また、立位姿勢時の被験者の頸部及び後頭部の1次元形状または2次元形状を基準として、被験者は充填材を調整して枕の剛性を変化させた複数の枕から最適な枕を選択しなければならず、この結果、枕の製造が複雑となり、この結果、枕の製造コストが高いという課題もある。   However, according to the conventional pillow manufacturing method described above, since the shape of the pillow is determined so that the pillow is in contact with the neck of the subject, there is actually a problem that the optimal sleeping comfort of the subject cannot be obtained. is there. In addition, based on the one-dimensional shape or two-dimensional shape of the neck and occipital region of the subject in the standing posture, the subject selects an optimal pillow from a plurality of pillows that have been adjusted to change the stiffness of the pillow. As a result, the manufacture of the pillow is complicated, and as a result, the manufacturing cost of the pillow is high.

上述の課題を解決するために、本発明に係る枕製造方法は、立位姿勢時の被験者の後頭部に対する頸部凹み深さを演算する頸部凹み深さ演算工程と、頸部凹み深さに応じて被験者の頸部に対応する目標枕頸部高さを演算する目標枕頸部高さ演算工程と、頸部凹み深さに応じて被験者の後頭部に対応する目標枕後頭部高さを演算する目標枕後頭部高さ演算工程と、被験者の頸部及び後頭部に対応する枕の頸部位置及び後頭部位置の枕頸部高さ及び枕後頭部高さが目標枕頸部高さ及び目標枕後頭部高さに到達しかつ枕の頸部位置及び後頭部位置の荷重が所定頸部荷重及び所定後頭部荷重に到達するまで、枕に充填材を充填する充填材充填工程とを具備し、被験者の頸部と枕との間に頸部凹み深さに応じた高さの空隙を設けるようにしたものである。   In order to solve the above-described problem, the pillow manufacturing method according to the present invention includes a neck dent depth calculating step for calculating a neck dent depth with respect to the occipital region of the subject in a standing posture, and a neck dent depth. The target pillow neck height calculating step for calculating the target pillow neck height corresponding to the subject's neck and the target pillow back head height corresponding to the subject's back head according to the neck recess depth is calculated. Target pillow occipital height calculation step, pillow neck position corresponding to the neck and occipital area of the subject, and the pillow neck height and pillow occipital height at the occipital position are the target pillow neck height and the target pillow occipital height And a filling material filling step of filling the pillow with a filling material until the load at the neck position and the back of the head of the pillow reaches a predetermined neck load and a predetermined back of head load. A gap with a height corresponding to the depth of the dent in the neck is provided between

また、本発明に係る枕製造装置は、立位姿勢時の被験者の頸部及び後頭部に押し当てられる先端及びマーカが付された後端を有する複数のロッドと、各ロッドを2次元に平行に配列して保持するロッド保持機構と、各ロッドのマーカを撮影するカメラと、枕に充填材を充填するための充填材充填ユニットと、カメラによって撮影された各マーカの位置から被験者の後頭部に対する頸部凹み深さを演算し、頸部凹み深さに基づいて充填材充填ユニットを制御する制御ユニットとを具備するものである。   In addition, the pillow manufacturing apparatus according to the present invention includes a plurality of rods having a tip that is pressed against the neck and occipital region of a subject in a standing posture and a rear end that is provided with a marker, and each rod in two dimensions in parallel. A rod holding mechanism that holds and arranges, a camera that captures a marker of each rod, a filler filling unit that fills a pillow with a filler, and a neck from the position of each marker captured by the camera to the back of the subject's head And a control unit for calculating the depth of the dent and controlling the filler filling unit based on the dent depth of the neck.

本発明によれば、被験者の後頭部に対する頸部凹み深さに応じて被験者の頸部と枕頸部との間に空隙を設けたので、被験者の最適な寝心地を得ることができる。また、充填材の種類(剛性の大きさ)を問わずに被験者の後頭部に対する頸部凹み深さのみで枕の形状を決定するので、枕の製造は単純となり、この結果、枕の製造コストも低くできる。さらに、被験者の好みの所定頸部荷重及び所定後頭部荷重に到達するまで、充填材を充填するので、被験者の好みの充填材(剛性の大きさ)で枕を製造できる。   According to the present invention, since the gap is provided between the neck of the subject and the pillow neck according to the depth of the neck recess with respect to the back of the subject, the optimal sleeping comfort of the subject can be obtained. Moreover, since the shape of the pillow is determined only by the depth of the neck recess with respect to the back of the subject regardless of the type of filler (the size of rigidity), the manufacture of the pillow is simplified. Can be lowered. Furthermore, since the filling material is filled until the predetermined neck load and the predetermined occipital load desired by the subject are reached, a pillow can be manufactured using the preferred filling material (rigidity) of the subject.

本発明に係る被験者の立位姿勢の正中矢状面(左右中心面)における後頭部に対する頸部凹み深さを説明する図である。It is a figure explaining the cervical dent depth with respect to the back of the head in the median sagittal plane (right-and-left center plane) of the test subject's standing posture concerning the present invention. 本発明の原理を説明するための被験者の仰臥位姿勢と枕との関係を示す図である。It is a figure which shows the relationship between a test subject's supine position and a pillow for demonstrating the principle of this invention. 図2の被験者の頸部凹み深さdと最適な枕の頸部高さHとの関係を示すグラフである。It is a graph showing the relationship between the neck height H n of the subject of the neck recess depth d and optimal pillow FIG. 図2の被験者の頸部凹み深さdと最適な枕の後頭部高さHとの関係を示すグラフである。Subjects neck recess depth d and optimal pillow occipital in FIG. 2 is a graph showing the relationship between the height H h. 図2の被験者の頸部凹み深さdと最適な枕の差ΔH=H−Hとの関係を示すグラフである。Is a graph showing the relationship between the difference ΔH = H n -H h of the subject's neck recess depth d and optimal pillow FIG. 本発明に係る枕製造装置の実施の形態を示す写真である。It is a photograph which shows embodiment of the pillow manufacturing apparatus which concerns on this invention. 図6の枕製造装置の実機状態を示す写真である。It is a photograph which shows the actual machine state of the pillow manufacturing apparatus of FIG. 図6の枕製造装置による被験者の立位姿勢を説明するための写真である。It is a photograph for demonstrating the test subject's standing posture by the pillow manufacturing apparatus of FIG. 図6の充填材充填ユニットの詳細を示す斜視図である。It is a perspective view which shows the detail of the filler filling unit of FIG. 図6の制御ユニットの動作を説明するためのフローチャートである。It is a flowchart for demonstrating operation | movement of the control unit of FIG. 図10のステップ1102における正中矢状面のS字曲線を示す図である。It is a figure which shows the S-shaped curve of the middle sagittal surface in step 1102 of FIG. 図10の正中矢状面演算ステップの詳細なフローチャートである。FIG. 11 is a detailed flowchart of a mid-sagittal plane calculation step in FIG. 10. 図12のステップ1301において取得されたカメラ画像の例を示す写真である。13 is a photograph showing an example of a camera image acquired in step 1301 of FIG. 図12のステップ1302において抽出された色マーカの2値データである。It is the binary data of the color marker extracted in step 1302 of FIG.

図1は本発明に係る被験者の立位姿勢の正中矢状面(左右中心面)における後頭部に対する頸部凹み深さdを説明する図である。   FIG. 1 is a view for explaining a cervical recess depth d with respect to the occipital region in a mid-sagittal plane (right and left central plane) of a standing posture of a subject according to the present invention.

図1において、11は被験者1の頸部、12は被験者1の後頭部であり、頸部凹み深さdは、被験者1の頸部11及び後頭部12の稜線曲線Sにおいて後頭部12に対する頸部11の最も凹な部分の深さで定義される。   In FIG. 1, 11 is the neck of the subject 1, 12 is the occipital region of the subject 1, and the neck recess depth d is the ridge line curve S of the neck 11 and the occipital region 12 of the subject 1. It is defined by the depth of the most concave part.

図2は本発明の原理を説明するための被験者が仰臥位姿勢で寝ている状態を示す図である。   FIG. 2 is a diagram illustrating a state in which a subject is sleeping in a supine position for explaining the principle of the present invention.

図2において、被験者1はマットレス2上の枕3で仰臥位で寝ている。このとき、充填材Fが充填された枕3の枕形状Pは、枕3が被験者1の頸部11との間で頸部凹み深さdに応じた差Dを有する空隙を有しかつ被験者1の後頭部12に接触するように、定められる。そこで、最適な枕形状Pを製造するために、被験者1の頸部11及び後頭部12の各荷重を0.85kgf及び2.12kgfの状態で頸部高さH及び後頭部高さHを調整した21種類の枕3から7人の被験者によって最も快適に感じる枕を選択してもらった。この選択の方法は2分法で行った。つまり、現時点で最上の枕と別の形状の枕を次々に比較して探索して被験者に最も合った枕を選択してもらった。これらの選択結果について図3〜図6を参照して説明する。 In FIG. 2, the subject 1 is sleeping in the supine position on the pillow 3 on the mattress 2. At this time, the pillow shape P of the pillow 3 filled with the filler F has a gap between the pillow 3 and the neck 11 of the subject 1 having a difference D corresponding to the neck recess depth d, and the subject. It is determined so as to come into contact with one occipital region 12. Therefore, in order to produce an optimal pillow shape P, the neck height H n and the occipital height H h are adjusted with the respective loads on the neck 11 and the occipital region 12 of the subject 1 being 0.85 kgf and 2.12 kgf. The 21 types of pillows 3 to 7 were selected by 7 subjects to select the most comfortable pillow. This selection method was performed by a bisection method. In other words, the current pillow and another shape pillow were compared one after another and searched, and the subject selected the most suitable pillow. These selection results will be described with reference to FIGS.

図3は図2の被験者1の頸部凹み深さdと最適な枕3の頸部高さHとの関係を示すグラフである。図3に示すように、枕3の頸部高さHは、回帰直線:
(mm)=−0.25d+73 (1)
寄与度R=0.26
で表せ、この場合、頸部凹み深さdの寄与度Rは大きかった。
Figure 3 is a graph showing the relationship between the neck height H n of the neck recess depth d and optimal pillows 3 subjects 1 of FIG. As shown in FIG. 3, the neck height H n of the pillow 3, the regression line:
H n (mm) = − 0.25d + 73 (1)
Contribution R 2 = 0.26
In this case, the contribution R 2 of the neck recess depth d was large.

図4は図2の被験者1の頸部凹み深さdと最適な枕の後頭部高さHとの関係を示すグラフである。図4に示すように、枕3の後頭部高さHは、回帰直線:
(mm)=0.15d+43 (2)
寄与度R=0.04
で表せ、この場合、頸部凹み深さdの寄与度Rは小さかった。
FIG. 4 is a graph showing the relationship between the neck recess depth d of the subject 1 in FIG. 2 and the optimum occipital head height H h of the pillow. As shown in FIG. 4, the back head height H h of the pillow 3 is a regression line:
H h (mm) = 0.15d + 43 (2)
Contribution R 2 = 0.04
In this case, the contribution R 2 of the neck recess depth d was small.

図5は図2の被験者1の頸部凹み深さdと最適な枕3の差ΔH=H−Hとの関係を示すグラフである。図5に示すように、枕3の差ΔHは、回帰直線:
ΔH(mm)=−0.40d+31 (3)
寄与度R=0.32
で表せ、この場合、頸部凹み深さdの寄与度Rは大きかった。
FIG. 5 is a graph showing the relationship between the neck recess depth d of the subject 1 in FIG. 2 and the optimum difference ΔH = H h −H n between the pillows 3. As shown in FIG. 5, the difference ΔH of the pillow 3 is a regression line:
ΔH (mm) = − 0.40d + 31 (3)
Contribution R 2 = 0.32
In this case, the contribution R 2 of the neck recess depth d was large.

上述のごとく、頸部凹み深さdの頸部高さH及び差ΔHに対する寄与度Rは有意な値となり、従って、頸部凹み深さdと頸部高さH及び差D(=d−ΔH)との相関はある。他方、頸部凹み深さdの後頭部高さHに対する寄与度Rは小さいが、最適な枕3の後頭部高さHと頸部高さHとの差ΔH(=H−H)は、図5に示すように、頸部凹み深さdとの相関があるので、(2)式はやはり有効と考えられる。従って、頸部凹み深さdに対して最適な寝心地が得られる頸部高さH及び後頭部高さHが存在すると考えられる。このとき、被験者1の頸部11と枕との間には、頸部凹み深さdに応じた差D=d−ΔHが設計上生じる。しかし、被験者の実際の眠る姿勢においては、枕の後頭部部分に後頭部12の荷重がかかり、従って、枕の後頭部部分が変形して被験者の後頭部12は沈む。この結果、被験者の頸部11は枕の頸部部分にフィットすることになる。 As described above, the contribution R 2 of the cervical dent depth d to the cervical height H n and the difference ΔH is a significant value, and therefore, the cervical dent depth d, the cervical height H n and the difference D ( = D−ΔH). On the other hand, the contribution R 2 to the occipital height H h of the cervical recess depth d is small, but the difference ΔH (= H h −H) between the optimal occipital height H h of the pillow 3 and the cervical height H n. As shown in FIG. 5, since n ) has a correlation with the dent depth d, the equation (2) is still considered effective. Therefore, it is considered that there is a cervical height H n and a occipital height H h at which the optimal sleeping comfort is obtained with respect to the dent depth d. At this time, a difference D = d−ΔH corresponding to the neck recess depth d is designed between the neck 11 of the subject 1 and the pillow. However, in the actual sleeping posture of the subject, the load on the back of the head 12 is applied to the back of the pillow, so that the back of the head 12 is deformed and the back of the head 12 sinks. As a result, the subject's neck 11 fits the neck of the pillow.

図6は本発明に係る枕製造装置の実施の形態を示す写真である(参照:特願2014−215071号明細書及び図面)。但し、動作説明し易くするために、図6の枕製造装置は、本来の大きい枕の被験者に対する図7に示す実機枕製造装置より小さくしてある。尚、図7においては、縦×横=40×5本のロッドRよりなるロッド群101が設けられ、ロッドRの後端に色マーカMが付されている。また、ロッド保持機構102には、ロッド保持機構102をロッド摺動状態、ロッド固定状態(ブレーキ状態)にするための電動ポンプ106が接続されている。さらに、色マーカMを撮影するための2台のカメラ104が設けられている。この場合、上方のカメラ104は上半分の色マーカMを撮影し、下方のカメラ104は下半分の色マーカMを撮影する。   FIG. 6 is a photograph showing an embodiment of the pillow manufacturing apparatus according to the present invention (see: Japanese Patent Application No. 2014-215071 specification and drawings). However, in order to facilitate the explanation of the operation, the pillow manufacturing apparatus of FIG. 6 is made smaller than the actual pillow manufacturing apparatus shown in FIG. In FIG. 7, a rod group 101 composed of vertical × horizontal = 40 × 5 rods R is provided, and a color marker M is attached to the rear end of the rod R. The rod holding mechanism 102 is connected to an electric pump 106 for bringing the rod holding mechanism 102 into a rod sliding state and a rod fixing state (braking state). Further, two cameras 104 for photographing the color marker M are provided. In this case, the upper camera 104 photographs the upper half color marker M, and the lower camera 104 photographs the lower half color marker M.

図6においては、ロッド群101はステンレス等の剛性材料よりなる5×5本のロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55よりなり、これらのロッドは2次元状に等間隔でロッド保持機構102によって保持されている。ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の図6の右方の先端は図8に示す枕の被験者の頸部及び後頭部に押し当てられ、他方、ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の後端には特定色たとえば赤色の色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55が付されている。尚、特定色は2色以上、たとえば赤、青を交互にマーカに付してもよい。 In Figure 6, the rod group 101 rod R 11 a 5 × 5 present consisting rigid material such as stainless steel, R 12, ..., R 15 ; R 21, R 22, ..., R 25; ...; R 51, R 52 ,..., R 55 , and these rods are held by the rod holding mechanism 102 at equal intervals in a two-dimensional manner. Rod R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., the right side of FIG. 6 of R 55 tip pillow shown in FIG. 8 pressed against the subject's neck and occipital, while the rod R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., after the R 55 specific color for example red color marker M 11 to the end, M 12, ..., M 15 ; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., M 55 are assigned. It should be noted that two or more specific colors, for example, red and blue may be alternately attached to the marker.

ロッド保持機構102は枠機構103によって支持されている。枠機構103のロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55に対向する位置に色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55を撮影するためのカメラ104が設けられ、カメラ104はマイクロコンピュータにより構成される制御ユニット105が接続されている。 The rod holding mechanism 102 is supported by the frame mechanism 103. Rod R 11, R 12 of the frame mechanism 103, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., the color of R 55 markers M 11, M 12, ..., M 15; M 21, M 22 , ..., M 25; ...; M 51, M 52, ..., the color marker M 11, M 12 at a position opposed to M 55, ..., M 15; M 21, M 22, .., M 25 ;...; M 51 , M 52 ,..., M 55 are provided with a camera 104 connected to a control unit 105 configured by a microcomputer.

ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の長さは、カメラ104によって撮影された色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55が重複しないように、異ならせてある。たとえば、
<L<L<L<L
−L=L−L=L−L=L−L≧ΔL
但し、LはロッドR11、R12、…、R15の長さ、
はロッドR21、R22、…、R25の長さ、
はロッドR31、R32、…、R35の長さ、
はロッドR41、R42、…、R45の長さ、
はロッドR51、R52、…、R55の長さ、
ΔLは測定対象によって決定される正の値
と設定される。これにより、ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の長さは、カメラ104より遠い程、大きくされ、カメラ104によって撮影された色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55が重複しないようになる。
Rod R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., the length of the R 55, the color taken by the camera 104 the marker M 11 , M 12, ..., M 15 ; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., M 55 is so as not to overlap, are made different. For example,
L 1 <L 2 <L 3 <L 4 <L 5
L 2 −L 1 = L 3 −L 2 = L 4 −L 3 = L 5 −L 4 ≧ ΔL
Where L 1 is the length of the rods R 11 , R 12 ,..., R 15 ,
L 2 is the length of rods R 21 , R 22 ,..., R 25 ,
L 3 is the length of rods R 31 , R 32 ,..., R 35 ,
L 4 is the length of the rods R 41 , R 42 ,..., R 45 ,
L 5 is the length of the rods R 51 , R 52 ,..., R 55 ,
ΔL is set to a positive value determined by the measurement object. Thus, the rod R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., the length of the R 55 is farther from the camera 104, large is, the color marker M 11 taken by the camera 104, M 12, ..., M 15; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., so M 55 do not overlap .

制御ユニット105は枕に充填材を充填するための充填材充填ユニット107をも制御する。   The control unit 105 also controls a filler filling unit 107 for filling the pillow with a filler.

図9は図6の充填材充填ユニット107の詳細を示す斜視図である。図9において、充填材充填ユニット107は、枕3を支持するための台座1070と、台座1070に設けられ、枕3の枕頸部高さを規定するための電動シリンダ1071と、電動シリンダ1071の下端に設けられ、枕3の枕頸部位置の荷重を検出するためのロードセル1072及び圧子1073と、台座1070に設けられ、枕3の枕後頭部高さを規定するための電動シリンダ1074と、電動シリンダ1074の下端に設けられ、枕3の枕後頭部位置の荷重を検出するためのロードセル1075及び圧子1076と、そば殻、柔軟な樹脂パイプ等の充填材を枕3の開口(図示せず)から充填するための充填機1077とによって構成されている。   FIG. 9 is a perspective view showing details of the filler filling unit 107 of FIG. In FIG. 9, the filling material filling unit 107 includes a pedestal 1070 for supporting the pillow 3, an electric cylinder 1071 provided on the pedestal 1070 for defining the pillow neck height of the pillow 3, and the electric cylinder 1071. A load cell 1072 and an indenter 1073 for detecting the load at the pillow neck position of the pillow 3 provided at the lower end, an electric cylinder 1074 provided on the pedestal 1070 for defining the pillow rear head height of the pillow 3, A load cell 1075 and an indenter 1076 for detecting a load at the pillow back head position of the pillow 3 and a filler such as a buckwheat shell and a flexible resin pipe provided at the lower end of the cylinder 1074 from an opening (not shown) of the pillow 3. And a filling machine 1077 for filling.

図9の充填材充填ユニット107においては、オペレータが予め手動にて電動シリンダ1071、1074の位置を矢印に示すごとく被験者の頸部及び後頭部に対応する枕3の頸部位置及び後頭部位置に固定しておく。制御ユニット105は電動シリンダ1071、1074の下部の圧子1073,1076の位置を目標頸部高さH’、目標後頭部高さH’に合わせ、頸部位置及び後頭部位置の枕頸部高さ及び枕後頭部高さが目標頸部高さH’及び目標後頭部高さH’に到達しかつ枕3の頸部位置及び後頭部位置の荷重が所定頸部荷重たとえば0.85kgf及び所定後頭部荷重たとえば2.12kgfに到達するまで、枕3の開口(図示せず)を介して枕3に充填材を充填する。尚、各荷重の検出はロードセル1072、1075の出力信号を受信することによって行える。その後、枕3の開口を閉じて枕3の形状を固定する。 In the filling material filling unit 107 of FIG. 9, the operator manually fixes the positions of the electric cylinders 1071 and 1074 in advance to the neck position and the back head position of the pillow 3 corresponding to the neck and back of the subject as indicated by the arrows. Keep it. The control unit 105 adjusts the position of the indenters 1073 and 1076 below the electric cylinders 1071 and 1074 to the target neck height H n ′ and the target occipital height H h ′, and the pillow neck height at the cervical position and the occipital position. And the pillow occipital head height reaches the target cervical height H n ′ and the target occipital head height H h ′, and the cervical position and the occipital position of the pillow 3 have a predetermined cervical load, for example, 0.85 kgf and a predetermined occipital load. For example, the pillow 3 is filled with the filler through the opening (not shown) of the pillow 3 until it reaches 2.12 kgf. Each load can be detected by receiving output signals from the load cells 1072, 1075. Thereafter, the opening of the pillow 3 is closed to fix the shape of the pillow 3.

図10は図6の制御ユニット105の動作を説明するためのフローチャートである。このフローチャートは制御ユニット105のリードオンリメモリ(ROM)もしくはフラッシュメモリに格納される。また、制御ユニット105の動作前に、オペレータは電動モータ106をオフにしてロッド保持機構102のロッド摺動状態でロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の先端を枕の被験者の後頭部及び頸部に押し当て、その後、電動モータ106をオンにしてロッド保持機構102のロッド固定状態(ブレーキ状態)にしてカメラ104でロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の後端の色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55の撮影を行って図13に示すカメラ画像を得ているものとする。 FIG. 10 is a flowchart for explaining the operation of the control unit 105 of FIG. This flowchart is stored in a read only memory (ROM) or a flash memory of the control unit 105. Further, before the operation of the control unit 105, the operator turns off the electric motor 106 and moves the rods R 11 , R 12 ,..., R 15 ; R 21 , R 22 ,. 25 ;..; The tip of R 51 , R 52 ,..., R 55 is pressed against the back and neck of the subject of the pillow, and then the electric motor 106 is turned on to fix the rod holding mechanism 102 in the rod-fixed state (brake state). rod R 11 in the camera 104 in the, R 12, ..., R 15 ; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., the color of the rear end of the R 55 markers M 11, M 12, ..., M 15; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., shall perform the shooting M 55 to obtain the camera image shown in Figure 13.

始めに、ステップ1101にて、枕3の被験者1の正中矢状面(左右中心面)を演算する。正中矢状面演算ステップ1101については後述する。   First, in step 1101, the median sagittal plane (right and left central plane) of the subject 1 of the pillow 3 is calculated. The median sagittal plane calculation step 1101 will be described later.

次に、ステップ1102にて、ステップ1101にて演算された被験者1の正中矢状面から図11に示す被験者1の頸部11及び後頭部12の稜線曲線Sを抽出し、稜線曲線Sにおいて後頭部12に対する頸部11の最も凹な部分の深さを頸部凹み深さdとする。   Next, in step 1102, the ridge line curve S of the neck 11 and the occipital region 12 of the subject 1 shown in FIG. 11 is extracted from the median sagittal plane of the subject 1 calculated in step 1101, and the occipital region 12 in the ridge line curve S is extracted. The depth of the most concave portion of the neck 11 with respect to the neck is defined as a neck recess depth d.

次に、ステップ1103にて、枕3の目標頸部高さH’及び目標後頭部高さH’を(1)、(2)式を用いて演算する。すなわち、
’(mm)← −0.25d+73
’(mm)← 0.15d+43
Next, in step 1103, the target neck height H n ′ and the target occipital height H h ′ of the pillow 3 are calculated using equations (1) and (2). That is,
H n ′ (mm) ← −0.25d + 73
H h '(mm) ← 0.15d + 43

尚、目標頸部高さH’及び目標後頭部高さH’は、一般的には、次にごとく、表せる。
’(mm)← αd+β
’(mm)← γd+δ
但し、α、β、γ、δは|α|>|γ|、β>δを満足する定数であり、頸部荷重及び後頭部荷重に応じて変化する。これにより、被験者1の頸部と枕との間に、頸部凹み深さdに応じた高さの空隙が生じるようになる。尚、頸部荷重及び後頭部荷重は、たとえば日本人成人であれば、0.85kgf及び2.12kgfとする。
The target neck height H n ′ and the target occipital head height H h ′ can generally be expressed as follows.
H n '(mm) ← αd + β
H h '(mm) ← γd + δ
However, α, β, γ, and δ are constants satisfying | α |> | γ |, β> δ, and change according to the neck load and the occipital load. As a result, a gap having a height corresponding to the neck recess depth d is generated between the neck of the subject 1 and the pillow. The neck load and the occipital load are set to 0.85 kgf and 2.12 kgf for a Japanese adult, for example.

次に、ステップ1104にて、ステップ1103にて演算された目標頸部高さH’及び目標後頭部高さH’に基づいて枕3に充填材Fを充填する。すなわち、制御ユニット105は充填材充填ユニット107の電動シリンダ1071、1074を駆動して電動シリンダ1071、1074の各圧子1073,1076の位置を目標頸部高さH’、目標後頭部高さH’に合わせる。次いで、頸部位置及び後頭部位置の枕頸部高さ及び枕後頭部高さが目標枕頸部高さH’及び目標枕後頭部高さH’に到達しかつ枕頸部位置及び枕後頭部位置の荷重が所定頸部荷重たとえば0.85kgf及び所定後頭部荷重たとえば2.12kgfに到達するまで、充填機1077から枕3に充填材Fを充填する。尚、この場合も、各荷重の検出はロードセル1072、1075の出力信号を受信することによって行える。その後、枕3の開口を閉じて固定する。 Next, in step 1104, the pillow 3 is filled with the filler F based on the target neck height H n ′ and the target occipital head height H h ′ calculated in step 1103. That is, the control unit 105 drives the electric cylinders 1071 and 1074 of the filler filling unit 107 to set the positions of the indenters 1073 and 1076 of the electric cylinders 1071 and 1074 to the target neck height H n ′ and the target occipital height H h. Fit to '. Next, the pillow neck height and the pillow back head height at the neck position and the back head position reach the target pillow neck height H n ′ and the target pillow back head height H h ′, and the pillow neck position and the pillow back head position Until the load reaches a predetermined neck load, for example, 0.85 kgf and a predetermined occipital load, for example, 2.12 kgf. In this case as well, each load can be detected by receiving output signals from the load cells 1072 and 1075. Thereafter, the opening of the pillow 3 is closed and fixed.

そして、ステップ1105にて、図10のルーチンは終了する。   In step 1105, the routine of FIG.

次に、図10の正中矢状面演算ステップ1101を図12を参照して説明する。   Next, the median sagittal plane calculation step 1101 of FIG. 10 will be described with reference to FIG.

ステップ1301にて、カメラ104より図13に示すカメラ画像を取得する。   In step 1301, the camera image shown in FIG.

次に、ステップ1302にて、色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55の特定色から図14に示す2値データとしての色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55を抽出する。 Next, in step 1302, the color marker M 11, M 12, ..., M 15; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., picture from a specific color of M 55 14 color marker M 11, M 12 of the binary data shown in, ..., M 15; M 21 , M 22, ..., M 25; ...; M 51, M 52, ..., to extract the M 55.

次に、ステップ1303にて、色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55の数が所定数たとえば25か否かを判別する。ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55が正常な動作をしていれば、色マーカの数は25である。従って、色マーカの数が25である場合のみ、ステップ1304に進み、他の場合には、ステップ1308に進んでエラーとする。 Next, in step 1303, the color marker M 11, M 12, ..., M 15; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., a predetermined number the number of M 55 e.g. Whether it is 25 or not is discriminated. Rod R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., if R 55 is long as a normal operation, the number of color markers 25. Accordingly, the process proceeds to step 1304 only when the number of color markers is 25, and in other cases, the process proceeds to step 1308 and an error is assumed.

ステップ1304では、各色マーカM11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55の重心座標を演算する。 In step 1304, each color marker M 11, M 12, ..., M 15; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., and calculates the barycentric coordinates of M 55.

次に、ステップ1305では、ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の先端座標をステップ1304にて演算された重心座標及びロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の予め定められた長さL11、L12、…、L15;L21、L22、…、L25;…;L51、L52、…、L55を用いて演算する。 Next, in step 1305, the rod R 11, R 12, ..., R 15; in R 51, R 52, ..., 1304 the coordinates of the tip of R 55; R 21, R 22 , ..., R 25; ... barycentric coordinates and the rod R 11 computed, R 12, ..., R 15 ; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., the length predetermined for R 55 L 11 , L 12, ..., L 15 ; L 21, L 22, ..., L 25; ...; L 51, L 52, ..., and calculates using the L 55.

次に、ステップ1306にて、ロッドR11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55の先端座標に基づいて被験者の正中矢状面を補間演算する。 Next, in step 1306, the rod R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., on the basis of the coordinates of the tip of the R 55 subjects Interpolate the median sagittal plane.

そして、ステップ1307にて、図10のステップ1102に戻る。   In step 1307, the process returns to step 1102 in FIG.

上述のごとく、被験者の後頭部に対する頸部凹み深さdを得て枕3の目標頸部高さH’及び目標後頭部高さH’を得るだけで、所定荷重状態で目標値H’及びH’を達成するように、そば殻、柔軟な樹脂パルプ等の充填材の量を調整し、この結果、各被験者の枕形状及び枕剛性を実現できる。従って、従来のごとく、各被験者に対して複数の枕を比較して選択する必要がなくなる。 As described above, the target value H n ′ is obtained in a predetermined load state only by obtaining the neck dent depth d with respect to the back of the subject and obtaining the target neck height H n ′ and the target occipital height H h ′ of the pillow 3. And H h ′, the amount of filler such as buckwheat husk and soft resin pulp is adjusted, and as a result, the pillow shape and pillow rigidity of each subject can be realized. Therefore, it is not necessary to compare and select a plurality of pillows for each subject as in the past.

本発明に係る枕製造方法及び装置によって製造された枕について、年令、性別及び体型のことなる13人の被験者が仰臥位で体験した。この体験結果、11人の被験者が寝心地がよいと回答した。尚、寝心地が悪いと回答した2人の被験者は頭蓋後頭部が扁平であった。   About the pillow manufactured with the pillow manufacturing method and apparatus which concerns on this invention, 13 test subjects who differ in age, sex, and a body type experienced in the supine position. As a result of this experience, 11 subjects answered that they were comfortable. In addition, two subjects who answered that they were not comfortable were flat on the back of the skull.

尚、本発明は上述の実施の形態の自明の範囲のいかなる変更も適用し得る。   It should be noted that the present invention can be applied to any modifications within the obvious range of the above-described embodiment.

1:被験者
11:頸部
12:後頭部
S:稜線曲線
:頸部高さ
’:目標頸部高さ
:後頭部高さ
’:目標後頭部高さ
F:充填材
101:ロッド群
R、R11、R12、…、R15;R21、R22、…、R25;…;R51、R52、…、R55:ロッド
102:ロッド保持機構
103:枠機構
104:カメラ
105:制御ユニット
106:電動ポンプ
107:充填材充填ユニット
1070:台座
1071:電動シリンダ
1072:ロードセル
1073:圧子
1074:電動シリンダ
1075:ロードセル
1076:圧子
1077:充填機
11、M12、…、M15;M21、M22、…、M25;…;M51、M52、…、M55:色マーカ
1: Subject 11: Neck 12: Back of head S: Edge curve H n : Neck height H n ': Target neck height H h : Back of head height H h ': Target back of head height F: Filler 101: rod groups R, R 11, R 12, ..., R 15; R 21, R 22, ..., R 25; ...; R 51, R 52, ..., R 55: rod 102: the rod retaining mechanism 103: the frame mechanism 104 : Camera 105: Control unit 106: Electric pump 107: Filler filling unit 1070: Base 1071: Electric cylinder 1072: Load cell 1073: Indenter 1074: Electric cylinder 1075: Load cell 1076: Indenter 1077: Filling machines M 11 , M 12 , ... , M 15; M 21, M 22, ..., M 25; ...; M 51, M 52, ..., M 55: color marker

Claims (5)

立位姿勢時の被験者の後頭部に対する頸部凹み深さを演算する頸部凹み深さ演算工程と、
前記頸部凹み深さに応じて前記被験者の頸部に対応する目標枕頸部高さを演算する目標枕頸部高さ演算工程と、
前記頸部凹み深さに応じて前記被験者の後頭部に対応する目標枕後頭部高さを演算する目標枕後頭部高さ演算工程と、
前記被験者の頸部及び後頭部に対応する枕の頸部位置及び後頭部位置の枕頸部高さ及び枕後頭部高さが前記目標枕頸部高さ及び前記目標枕後頭部高さに到達しかつ前記枕の頸部位置及び後頭部位置の荷重が所定頸部荷重及び所定後頭部荷重に到達するまで、前記枕に充填材を充填する充填材充填工程と
を具備し、前記被験者の頸部と前記枕との間に前記頸部凹み深さに応じた高さの空隙を設けるようにした枕製造方法。
A cervical dent depth calculating step for calculating a cervical dent depth with respect to the occipital region of the subject in a standing posture; and
A target pillow neck height calculating step of calculating a target pillow neck height corresponding to the neck of the subject according to the neck recess depth;
A target pillow occipital head height calculating step for calculating a target pillow occipital head height corresponding to the occipital region of the subject according to the neck recess depth;
The pillow neck position corresponding to the neck and occipital area of the subject, the pillow neck height and the pillow back head height at the back head position reach the target pillow neck height and the target pillow back head height, and the pillow. A filling material filling step for filling the pillow until the load at the neck position and the occipital region reaches a predetermined neck load and a predetermined occipital load, and the neck portion of the subject and the pillow The pillow manufacturing method which provided the space | gap of the height according to the said neck dent depth in between.
前記目標枕頸部高さ演算工程は前記頸部凹み深さの第1の1次関数を用いて前記目標枕頸部高さを演算し、
前記目標枕後頭部高さ演算工程は前記頸部凹み深さの第2の1次関数を用いて前記目標枕後頭部高さを演算する
請求項1に記載の枕製造方法。
The target pillow neck height calculating step calculates the target pillow neck height using a first linear function of the neck recess depth,
The pillow manufacturing method according to claim 1, wherein the target pillow occipital head height calculating step calculates the target pillow occipital head height using a second linear function of the neck recess depth.
前記第1の1次関数は、
’(mm)=αd+β
であり、前記第2の1次関数は、
’(mm)=γd+δ
であり、
但し、H’は前記目標枕頸部高さ、
’は前記目標枕後頭部高さ、
dは前記頸部凹み深さ、
α、β、γ、δは|α|>|γ|、β>δを満足する定数である
請求項2に記載の枕製造方法。
The first linear function is:
H n ′ (mm) = αd + β
And the second linear function is
H h ′ (mm) = γd + δ
And
Where H n ′ is the target pillow neck height,
H h ′ is the height of the back of the target pillow,
d is the depth of the neck recess,
The pillow manufacturing method according to claim 2, wherein α, β, γ, and δ are constants that satisfy | α |> | γ | and β> δ.
立位姿勢時の被験者の頸部及び後頭部に押し当てられる先端及びマーカが付された後端を有する複数のロッドと、
前記各ロッドを2次元に平行に配列して保持するロッド保持機構と、
前記各ロッドの前記マーカを撮影するカメラと、
枕に充填材を充填するための充填材充填ユニットと、
前記カメラによって撮影された前記各マーカの位置から前記被験者の後頭部に対する頸部凹み深さを演算し、前記頸部凹み深さに基づいて前記充填材充填ユニットを制御する制御ユニットと
を具備する枕製造装置。
A plurality of rods having a tip that is pressed against the neck and back of the subject in a standing posture and a rear end with a marker;
A rod holding mechanism that holds the rods arranged in two dimensions in parallel;
A camera for photographing the marker of each rod;
A filler filling unit for filling the pillow with a filler;
A pillow comprising: a control unit that calculates a neck recess depth with respect to the back of the subject from the position of each marker imaged by the camera, and controls the filler filling unit based on the neck recess depth. manufacturing device.
前記充填材充填ユニットは、
前記枕を支持するための台座と、
前記台座に設けられ、前記枕の頸部位置の枕頸部高さを規定する第1の電動シリンダと、
前記第1の電動シリンダの下端に設けられ、前記枕の頸部位置の荷重を検出するための第1の荷重検出手段と、
前記台座に設けられ、前記枕の後頭部位置の枕後頭部高さを規定する第2の電動シリンダと、
前記第2の電動シリンダの下端に設けられ、前記枕の後頭部位置の荷重を検出するための第2の荷重検出手段と、
前記枕に充填材を充填するための充填機と
を具備する請求項4に記載の枕製造装置。

The filler filling unit includes:
A pedestal for supporting the pillow;
A first electric cylinder provided on the pedestal and defining a pillow neck height at a neck position of the pillow;
A first load detecting means provided at a lower end of the first electric cylinder, for detecting a load at a neck position of the pillow;
A second electric cylinder provided on the base and defining a pillow back head height at a back head position of the pillow;
A second load detecting means provided at the lower end of the second electric cylinder for detecting the load at the back of the head of the pillow;
The pillow manufacturing apparatus according to claim 4, further comprising a filling machine for filling the pillow with a filler.

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