WO2003096849A1 - A pillow having concave-convex surface - Google Patents

A pillow having concave-convex surface Download PDF

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Publication number
WO2003096849A1
WO2003096849A1 PCT/CN2002/000813 CN0200813W WO03096849A1 WO 2003096849 A1 WO2003096849 A1 WO 2003096849A1 CN 0200813 W CN0200813 W CN 0200813W WO 03096849 A1 WO03096849 A1 WO 03096849A1
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WIPO (PCT)
Prior art keywords
pillow
concave
wave
curved surface
core
Prior art date
Application number
PCT/CN2002/000813
Other languages
French (fr)
Chinese (zh)
Inventor
Meiliang Liu
Original Assignee
Meiliang Liu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meiliang Liu filed Critical Meiliang Liu
Priority to CNA028135199A priority Critical patent/CN1523968A/en
Priority to AU2002349429A priority patent/AU2002349429A1/en
Publication of WO2003096849A1 publication Critical patent/WO2003096849A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/10—Pillows

Definitions

  • the utility model belongs to the technical field of domestic appliances, and relates to a wave concave pillow.
  • Pillow is an indispensable kind of bedding when people sleep.
  • the existing pillows are generally rectangular with a convex surface with a middle and high sides and low convex sides.
  • different sleeping positions often require different pillow heights. For example, when a person is lying on his back and lying on his side, the required height of the pillow is different. When lying on his back, the height of the pillow required is lower, and when he is lying on the side, the height of the pillow is higher.
  • the back of the head is convexly curved, the contact surface of the pillow and the head when lying on the back should be concavely curved so as to fit well with the back of the head to increase the contact area and reduce the compression strength of the head.
  • the existing pillow height cannot meet the head and neck cushion protection requirements of the human body in different sleeping and lying positions, which affects people's sleepy eyes. For example, when the pillow is too low or too high when the side is lying, the neck tendons are strained and they manifest as falling pillows. Pillows are too high or too low, the cervical spine is in a state of bending and deformation for a long time, and cervical spine lesions occur, which affects people's health.
  • the technical problem to be solved by the present utility model is to provide a corrugated pillow that can satisfy the different cushion heights of the head and neck in different sleeping and lying postures of the human body in response to the shortcomings of the existing pillows.
  • the wave concave pillow includes a pillow surface, a pillow back, and a pillow core. There are pillow bosses on the pillow face, and there are concave valleys between the pillow bosses.
  • the concave part in the middle of the wave-concave pillow is lower than the two sides, and the convex part on both sides is higher than the middle part.
  • the design makes the contact surface between the middle part of the pillow and the head a concave curved surface that can better fit the back of the head, so that the back of the head can more evenly bear the head acting on the pillow
  • the pressure on the lower part of the pillow lowers the height to keep the cervical spine naturally straight and not bend or be stretched or squeezed.
  • the concave part of the corrugated pillow is properly raised at the contact with the neck to fit the neck pad. Protection needs.
  • the utility model can meet the head and neck cushion protection requirements of the human body in different sleeping and lying postures, make people feel more comfortable, easily fall asleep, can effectively prevent and improve cervical spine lesions, and has certain health care functions.
  • Figure 1 is a schematic diagram of a single groove curved single pillow structure
  • Fig. 2 is a schematic view of the three-dimensional state of Fig. 1
  • FIG. 3 is a schematic diagram of a double-sided pillow structure with a double-concave tube groove curved surface.
  • Fig. 4 is a schematic diagram of a multi-person pillow with a multi-concave tube groove curved surface.
  • Fig. 5 Sectional view of a reverse spherical concave curved single pillow.
  • FIG. 6 is a schematic perspective view of FIG. 5.
  • Figure 7 is a sectional view of a straight double concave pillow with a spherical concave curved pillow back
  • FIG. 8 is a schematic view of the three-dimensional state of FIG. 7
  • the utility model can be made into a single pillow, a double pillow and a multi-person pillow, and the recessed depth of the concave valley (4) can be deep or shallow as required, such as a couple double pillow can be one deep and one shallow, three People's multi-person pillows can be two shallow and one deep and so on.
  • the two sides of the pillow are made of high micro-convex pillow bosses (3), although the middle and sides of the wave-concave pillow are more suitable for human supine and lateral lying, but It varies from person to person, and you can still sleep and lie anywhere on the wave pillow.
  • the concave curved surface of the wave concave pillow is for the purpose of better satisfying the cushioning requirements of the back of the head and the neck when the human body is supine, and can be made into different concave depths and concave curved shapes, such as a spherical concave curved surface (6), a pipe groove shape Concave surface (8), ellipsoid concave surface, etc.
  • the shape of the pillow core can be made into different concave shapes.
  • the pillow surface is concave but the pillow back is generally straight (as shown in Figures 2 and 4). (Shown in Figure 6), occipital surface recessed.
  • Pillow surface recession is to reduce the filling in the middle of the pillow to reduce the filling density relative to its two sides, that is, the filling density in the middle is lower than the sides. It is normal but not concave to meet people's traditional visual habits.
  • the surfaces of the bosses on both sides of the wave-concave pillow can be different shapes, such as flat or slightly convex curved surfaces or slightly concave curved surfaces or micro-wavy undulating surfaces, and the sizes on both sides can be symmetrical or asymmetrical.
  • the type of the filling material of the wave-concave pillow can be any substance suitable for human sleep such as gas, liquid, and solid.
  • a draw bar (7) may be provided in the pillow core.
  • the draw bar (7) can be a sewing thread or elastic rubber band between the surface of the pillow.
  • Corrugated pillows can be made into single pillows or double pillows with different sizes to meet the needs of one or more people.
  • Pillow three-person pillow.
  • the raised portion of the pillow (3) of the pillow core meets the needs of people to head up when lying on their side, and the concave valley (4) is curved to increase the contact area of the head and reduce pressure.
  • Strength suitable for supine body.
  • Pillow core (5) can be filled with various fillers including gas, liquid, solid, etc. that are suitable for human sleep.
  • the wave concave pillow meets the needs of the head and neck pads in different sleeping and lying positions of the human body. It makes people feel more comfortable and easy to fall asleep. It can help people with sleep disorders to alleviate or eliminate insomnia. It can also effectively prevent and improve cervical spine disease. It has certain health-care functions; allowing infants and young children to use wave pillows can protect brain development and shape cute head shapes.

Abstract

A pillow which has concave-convex surface, is composed of a top surface (1), a back surface (2) and a pillow core (5). There are convex surfaces (3) in the pillow surface and there is a concave surface (4) between the convex surfaces. The pillow may be made a single pillow, a double pillow or a multiple-people pillow, the concave surface may be deep or shallow as required, and has the curved shape. The pillow may adapt to the require of head and neck when a person has different sleeping position.

Description

波凹枕 技术领域  Wave concave pillow Technical Field
本实用新型属于家庭用具技术领域， 涉及一种波凹枕。  The utility model belongs to the technical field of domestic appliances, and relates to a wave concave pillow.
背景技术 Background technique
枕头是人们睡觉时必不可少的一种床上用具， 现有的枕头一般都是 枕面为中高边低的凸曲面的矩形状， 而人在睡眠时， 不同的睡姿常常需 要不同的枕头高度， 如人在仰卧与侧卧时， 所需的枕头高度不一样， 仰 卧时， 所需的枕头高度较低， 侧卧时， 所需的枕头高度较高。 且由于头 后部呈凸曲面形状， 仰卧时枕头与头部的接触面应呈凹曲面形状， 方能 与头后部较好地吻合， 以增大接触面积， 减少头部受压强度。 由于现有 的枕头高度不能满足人体不同睡卧姿势的头颈垫护需求， 影响人们的睡 目民， 如侧卧时枕头过低或过高导致颈部筋络拉伤而表现为落枕， 仰卧时 枕头过高或过低， 颈椎长时间处于弯曲变形状态而发生颈椎病变， 影响 人们的身体健康。  Pillow is an indispensable kind of bedding when people sleep. The existing pillows are generally rectangular with a convex surface with a middle and high sides and low convex sides. When people sleep, different sleeping positions often require different pillow heights. For example, when a person is lying on his back and lying on his side, the required height of the pillow is different. When lying on his back, the height of the pillow required is lower, and when he is lying on the side, the height of the pillow is higher. And because the back of the head is convexly curved, the contact surface of the pillow and the head when lying on the back should be concavely curved so as to fit well with the back of the head to increase the contact area and reduce the compression strength of the head. The existing pillow height cannot meet the head and neck cushion protection requirements of the human body in different sleeping and lying positions, which affects people's sleepy eyes. For example, when the pillow is too low or too high when the side is lying, the neck tendons are strained and they manifest as falling pillows. Pillows are too high or too low, the cervical spine is in a state of bending and deformation for a long time, and cervical spine lesions occur, which affects people's health.
发明内容 Summary of the Invention
本实用新型所要解决的技术问题是要针对现有枕头的不足之处， 提 供一种能满足人体不同睡卧姿势状态下头颈所需不同垫护高度的波凹 枕。  The technical problem to be solved by the present utility model is to provide a corrugated pillow that can satisfy the different cushion heights of the head and neck in different sleeping and lying postures of the human body in response to the shortcomings of the existing pillows.
解决本实用新型技术问题所采用的技术方案是该波凹枕包括枕面、 枕背、 枕芯， 枕面上有枕头凸台， 枕头凸台之间有下凹波谷。 波凹枕中 部下凹部分比两侧低， 两侧凸起部分比中部高。 人们睡觉时， 通常以仰卧为主而兼侧卧， 这样自由地变换睡姿有利 人体健康。 为适应人体仰卧时头颈的垫护需求， 本设计将枕头中间部分 与头部接触面制成能较好地与头后部吻合的凹曲面， 使头后部比较均匀 地承受头部作用于枕头上的压力 ·， 枕头中部下凹后高度较低， 以保持颈 椎自然顺直， 不致弯曲受拉或受挤压； 波凹枕下凹部分与颈部接触处适 当凸起， 以适合颈部垫护需求。 为适应人体侧卧时头部垫高需求， 枕芯 两侧凸台部分较高， 以保持颈椎自然顺直。 因此本实用新型能适应人体 不同睡卧姿势的头颈垫护需求， 使人倍感舒适， 易于入睡， 能有效地预 防和改善颈椎病变， 并具有一定的保健功能。 The technical solution adopted to solve the technical problem of the present utility model is that the wave concave pillow includes a pillow surface, a pillow back, and a pillow core. There are pillow bosses on the pillow face, and there are concave valleys between the pillow bosses. The concave part in the middle of the wave-concave pillow is lower than the two sides, and the convex part on both sides is higher than the middle part. When people sleep, they usually lie on their backs and lie on their sides. Changing the sleeping position freely is beneficial to human health. In order to meet the needs of head and neck cushions when the human body is supine, the design makes the contact surface between the middle part of the pillow and the head a concave curved surface that can better fit the back of the head, so that the back of the head can more evenly bear the head acting on the pillow The pressure on the lower part of the pillow lowers the height to keep the cervical spine naturally straight and not bend or be stretched or squeezed. The concave part of the corrugated pillow is properly raised at the contact with the neck to fit the neck pad. Protection needs. In order to meet the head heightening requirement of the human body when lying on its side, the bosses on both sides of the pillow are high to keep the cervical spine naturally straight. Therefore, the utility model can meet the head and neck cushion protection requirements of the human body in different sleeping and lying postures, make people feel more comfortable, easily fall asleep, can effectively prevent and improve cervical spine lesions, and has certain health care functions.
附图说明 BRIEF DESCRIPTION OF THE DRAWINGS
以下结合实施例附图对本实用新型作进一步的详细描述。  The following further describes the present invention in detail with reference to the accompanying drawings of the embodiments.
图 1 为本实用新型的一种单凹槽曲面单人枕结构示意图  Figure 1 is a schematic diagram of a single groove curved single pillow structure
图 2 为图 1的立体状态示意图  Fig. 2 is a schematic view of the three-dimensional state of Fig. 1
图 3 为本实用新型的一种具有双凹管槽曲面双人枕结构示意图 图 4为本实用新型的一种具有多凹管槽曲面多人枕结构示意图 图 5 为本实用新型的一种二面反向球形凹曲单人枕剖面图 图 6 为图 5的立体状态示意图  Fig. 3 is a schematic diagram of a double-sided pillow structure with a double-concave tube groove curved surface. Fig. 4 is a schematic diagram of a multi-person pillow with a multi-concave tube groove curved surface. Fig. 5 Sectional view of a reverse spherical concave curved single pillow. FIG. 6 is a schematic perspective view of FIG. 5.
图 7 为枕面球形凹曲枕背平直双凹枕芯剖面图  Figure 7 is a sectional view of a straight double concave pillow with a spherical concave curved pillow back
图 8 为图 7的立体状态示意图  FIG. 8 is a schematic view of the three-dimensional state of FIG. 7
图中： 1一枕面 2—枕背 3—枕头凸台 4一下凹波谷 5—枕芯 6—球 形凹曲面 7—拉筋 8—管槽形凹曲面 具体实施方式 In the picture: 1-pillow surface 2-pillow back 3-pillow boss 4 concave groove 5-pillow core 6-spherical concave surface 7-rib 8-tube groove concave surface detailed description
由附图可知， 本实用新型可做成单人枕、 双人枕及多人枕， 下凹波 谷（4)的下凹深度根据需要可深可浅， 如夫妻双人枕可一深一浅， 三人 的多人枕可以是两浅一深等等。 为满足人体变仰卧为侧卧时头部垫高需 求， 枕头两侧作成较高的微凸枕头凸台 (3), 虽然波凹枕的中部与两侧分 别更适应人体仰卧与侧卧， 但因人而异， .仍可在波凹枕的任何部位任意 睡卧。  As can be seen from the drawings, the utility model can be made into a single pillow, a double pillow and a multi-person pillow, and the recessed depth of the concave valley (4) can be deep or shallow as required, such as a couple double pillow can be one deep and one shallow, three People's multi-person pillows can be two shallow and one deep and so on. In order to meet the human body's head heightening requirement when changing from supine to lateral position, the two sides of the pillow are made of high micro-convex pillow bosses (3), although the middle and sides of the wave-concave pillow are more suitable for human supine and lateral lying, but It varies from person to person, and you can still sleep and lie anywhere on the wave pillow.
波凹枕的凹曲面以较好地满足人体仰卧时头后部与颈部的垫护需求 为目的， 可以作成不同的下凹深度与凹曲面形状， 如球形凹曲面 （6)、 管槽形凹曲面（8)、 椭球形凹曲面等。 枕芯外形可作成不同凹形， 如枕 面凹曲但枕背大体平直 （如图 2、 图 4所示)， 枕面与枕背以枕芯中部呈 反向凹曲 （如图 5、 图 6所示)、 枕面隐凹等。 枕面隐凹是减少枕芯中部 填充物以相对其两侧降低填充密度， 即中部的填充密度比两侧低， 在人 体仰卧时具有凹曲面垫护头颈的功能， 在枕芯闲置状态时恢复常态而不 现凹曲， 以满足人们的传统视觉习惯。  The concave curved surface of the wave concave pillow is for the purpose of better satisfying the cushioning requirements of the back of the head and the neck when the human body is supine, and can be made into different concave depths and concave curved shapes, such as a spherical concave curved surface (6), a pipe groove shape Concave surface (8), ellipsoid concave surface, etc. The shape of the pillow core can be made into different concave shapes. For example, the pillow surface is concave but the pillow back is generally straight (as shown in Figures 2 and 4). (Shown in Figure 6), occipital surface recessed. Pillow surface recession is to reduce the filling in the middle of the pillow to reduce the filling density relative to its two sides, that is, the filling density in the middle is lower than the sides. It is normal but not concave to meet people's traditional visual habits.
波凹枕两侧凸台表面可以是平面或微凸曲面或微凹曲面或微波浪起 伏面等不同形状， 两侧大小可以对称或不对称。 波凹枕枕芯填充物种类 可以是气体、 液体、 固体等任何适合人体睡眠的物质。 除隐凹枕外， 其 他形式的枕芯为了显现凹曲面外形并固定凹曲面形状， 可采取枕芯内设 置拉筋 （7)。 拉筋 （7) 可以是在枕芯表面之间的缝纫线或弹性皮筋等。 波凹枕外观尺寸可做成大小不同能满足一人或多人睡卧的单人枕、 双人 枕、 三人枕。 也可作为单凹枕、 双凹枕、 多凹枕， 波凹数与睡觉的人数 无对应关系。 The surfaces of the bosses on both sides of the wave-concave pillow can be different shapes, such as flat or slightly convex curved surfaces or slightly concave curved surfaces or micro-wavy undulating surfaces, and the sizes on both sides can be symmetrical or asymmetrical. The type of the filling material of the wave-concave pillow can be any substance suitable for human sleep such as gas, liquid, and solid. In addition to recessed concave pillows, in order to show the shape of the concave curved surface and fix the shape of the concave curved surface, a draw bar (7) may be provided in the pillow core. The draw bar (7) can be a sewing thread or elastic rubber band between the surface of the pillow. Corrugated pillows can be made into single pillows or double pillows with different sizes to meet the needs of one or more people. Pillow, three-person pillow. Can also be used as single concave pillow, double concave pillow, multi concave pillow, the number of corrugations does not correspond to the number of people sleeping.
使用时， 枕芯凸起的枕头凸台 （3 ) 部位满足人们侧卧时头部垫高的 需求， 下凹波谷（4)部位呈曲面状， 以增大头部接触面积， 减小受压强 度， 适合人体仰卧。 枕芯 （5)可填充包括气体、 液体、 固体等适应人体 睡眠的各种填充物。  When in use, the raised portion of the pillow (3) of the pillow core meets the needs of people to head up when lying on their side, and the concave valley (4) is curved to increase the contact area of the head and reduce pressure. Strength, suitable for supine body. Pillow core (5) can be filled with various fillers including gas, liquid, solid, etc. that are suitable for human sleep.
波凹枕以满足人体不同睡卧姿势的头颈垫护需求为目标， 它使人倍 感舒适， 易于入睡， 能帮助有睡眠障碍的人们缓解或消除失眠； 还能有 效地预防和改善颈椎病变， 具有一定的保健功能； 让婴幼儿使用波凹枕 能保护大脑发育， 塑造可爱的头型。  The wave concave pillow meets the needs of the head and neck pads in different sleeping and lying positions of the human body. It makes people feel more comfortable and easy to fall asleep. It can help people with sleep disorders to alleviate or eliminate insomnia. It can also effectively prevent and improve cervical spine disease. It has certain health-care functions; allowing infants and young children to use wave pillows can protect brain development and shape cute head shapes.

Claims

权 利 要 求 Rights request
1、 一种波凹枕， 包括枕面（1 )、 枕背（2)、 枕芯 （5)， 其特征在于 枕面 （1 ) 上有枕头凸台 （3 )， 枕头凸台之间有下凹波谷 （4)。  1. A wave-concave pillow comprising a pillow face (1), a pillow back (2), and a pillow core (5), which is characterized in that a pillow boss (3) is arranged on the pillow face (1), and there is a pillow boss between the pillow bosses (1). Recessed trough (4).
2、根据权利要求 1所述的波凹枕， 其特征在于可做成单人枕、 双人 枕及多人枕， 下凹波谷 （4) 的下凹深度根据需要可深可浅。  2. The wave-concave pillow according to claim 1, characterized in that it can be made into a single pillow, a double pillow, and a multi-person pillow, and the concave depth of the concave valley (4) can be deep or shallow as required.
3、 根据权利要求 1或 2所述的波凹枕， 其特征在于下凹波谷 （4) 部位呈曲面状。  3. The wave-concave pillow according to claim 1 or 2, characterized in that the portion of the concave valley (4) is curved.
4、 根据权利要求 3所述的波凹枕， 其特征在于下凹波谷 （4) 的曲 面状为管槽形凹曲面（8)。  4. The wave-concave pillow according to claim 3, characterized in that the curved surface of the concave valley (4) is a pipe-groove concave curved surface (8).
5、 根据权利要求 3所述的波凹枕， 其特征在于下凹波谷 （4) 的曲 面为球形凹曲面（6) 或椭球形凹曲面等不同形状。  5. The wave concave pillow according to claim 3, characterized in that the curved surface of the concave concave valley (4) is a different shape such as a spherical concave curved surface (6) or an ellipsoidal concave curved surface.
6、 根据权利要求 1或 2所述的波凹枕， 其特征在于枕芯 （5 ) 外形 可作成不同凹形， 包括枕面凹曲但枕背大体平直形状， 枕面与枕背以枕 芯中部呈反向凹曲形状、 枕面隐凹形状。  6. The wave-concave pillow according to claim 1 or 2, characterized in that the shape of the pillow core (5) can be made into different concave shapes, including a concave curved surface of the pillow but a generally straight shape of the back of the pillow, and the pillow surface and the back of the pillow The middle of the core is in the shape of a reverse concave curve, and the pillow surface is concave.
7、根据权利要求 1或 2所述的波凹枕， 其特征在于波凹枕枕芯（5 ) 填充物种类可以是气体、 液体、 固体等任何适合人体睡眠的物质。  7. The wave-concave pillow according to claim 1 or 2, characterized in that the type of filling of the wave-concave pillow core (5) can be any substance suitable for human sleep such as gas, liquid, solid, and the like.
8、 根据权利要求 1或 2所述的波凹枕， 其特征在于枕芯 （5 ) 为了 显现凹曲面外形并固定凹曲面形， 可采取枕芯内设置拉筋 （7)。  8. The wave-concave pillow according to claim 1 or 2, characterized in that the pillow core (5) can be provided with a rib (7) in the pillow core in order to show the shape of the concave curved surface and fix the shape of the concave curved surface.
9、根据权利要求 1或 2所述的波凹枕， 其特征在于波凹枕两侧凸台 表面可以是平面或微凸曲面或微凹曲面或微波浪起伏面等不同形状， 两 侧大小可以对称或不对称。  9. The wave-concave pillow according to claim 1 or 2, characterized in that the surfaces of the bosses on both sides of the wave-concave pillow can be different shapes such as a flat surface or a slightly convex curved surface or a slightly concave curved surface or a wavy undulating surface. Symmetric or asymmetric.
PCT/CN2002/000813 2002-05-22 2002-11-15 A pillow having concave-convex surface WO2003096849A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNA028135199A CN1523968A (en) 2002-05-22 2002-11-15 Wave pillow
AU2002349429A AU2002349429A1 (en) 2002-05-22 2002-11-15 A pillow having concave-convex surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02224091U CN2543438Y (en) 2002-05-22 2002-05-22 Wave shape concave pillow
CN02224091.8 2002-05-22

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Publication Number Publication Date
WO2003096849A1 true WO2003096849A1 (en) 2003-11-27

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PCT/CN2002/000813 WO2003096849A1 (en) 2002-05-22 2002-11-15 A pillow having concave-convex surface

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US7216387B2 (en) 2005-06-16 2007-05-15 Scott Laxton Arched pillow assembly

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CN108095948A (en) * 2017-12-27 2018-06-01 江苏翊博雷明医疗科技有限公司 A kind of child care pad of band nursing eyeshade
CN107981647A (en) * 2017-12-27 2018-05-04 江苏翊博雷明医疗科技有限公司 A kind of nursing pillow for infants

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CN2152458Y (en) * 1993-01-20 1994-01-12 青岛正杰塑胶有限公司 Pillow with concave center
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US5661862A (en) * 1996-07-25 1997-09-02 Ryndak; James D. Multitiered pillow construction
CN2264540Y (en) * 1996-09-17 1997-10-15 高金升 Pillow
CN2290265Y (en) * 1996-10-31 1998-09-09 金传荫 Concave pillow
CN2296141Y (en) * 1997-02-17 1998-11-04 崔智胜 Concaved pillow
CN2333276Y (en) * 1998-08-24 1999-08-18 金传荫 Concave pillowcase
CN2363603Y (en) * 1999-03-08 2000-02-16 周鸿鸣 Shaped pillow
CN2388886Y (en) * 1999-09-02 2000-07-26 谭传龙 Health care pillow with different height

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CN2070133U (en) * 1990-05-23 1991-01-30 谢祖玉 Height self adjustable health pillow core
CN2152458Y (en) * 1993-01-20 1994-01-12 青岛正杰塑胶有限公司 Pillow with concave center
CN2185611Y (en) * 1994-02-04 1994-12-21 温贵明 Health-care medical pillow
US5457832A (en) * 1994-08-04 1995-10-17 Tatum; Eugene T. Cervical pillow with variable thickness head and neck portions
CN2257675Y (en) * 1995-07-28 1997-07-16 张震 Health pillow
WO1997009913A1 (en) * 1995-09-15 1997-03-20 Ed Keilhauer Therapeutic sleeping pillow
US5661862A (en) * 1996-07-25 1997-09-02 Ryndak; James D. Multitiered pillow construction
CN2264540Y (en) * 1996-09-17 1997-10-15 高金升 Pillow
CN2290265Y (en) * 1996-10-31 1998-09-09 金传荫 Concave pillow
CN2296141Y (en) * 1997-02-17 1998-11-04 崔智胜 Concaved pillow
CN2333276Y (en) * 1998-08-24 1999-08-18 金传荫 Concave pillowcase
CN2363603Y (en) * 1999-03-08 2000-02-16 周鸿鸣 Shaped pillow
CN2388886Y (en) * 1999-09-02 2000-07-26 谭传龙 Health care pillow with different height

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7216387B2 (en) 2005-06-16 2007-05-15 Scott Laxton Arched pillow assembly

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CN1523968A (en) 2004-08-25
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