CN101155533A - Support apparatus with gel layer - Google Patents
Support apparatus with gel layer Download PDFInfo
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- CN101155533A CN101155533A CNA2006800118505A CN200680011850A CN101155533A CN 101155533 A CN101155533 A CN 101155533A CN A2006800118505 A CNA2006800118505 A CN A2006800118505A CN 200680011850 A CN200680011850 A CN 200680011850A CN 101155533 A CN101155533 A CN 101155533A
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- China
- Prior art keywords
- gel
- layer
- mattress
- gel layer
- froth bed
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/081—Fluid mattresses or cushions of pneumatic type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/04—Devices for ventilating, cooling or heating
- A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
- A47C21/046—Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/085—Fluid mattresses or cushions of liquid type, e.g. filled with water or gel
Abstract
The invention provides a support apparatus comprising a gel layer. In one embodiment, the gel layer is overlying one or more additional support layers. The gel layer comprises a gel, such as a polyurethane gel, and optionally comprises one or more fillers, which can be a natural or synthetic material. The support apparatus includes apparatuses, such as mattresses, chairs and other furniture, and cushions.
Description
The present invention is generally directed to the health support and the device that designs.Especially, the present invention relates to provide improved comfort level, especially the device of pressure relieve and improved heat transfer control.
Background technology
Known multiple device provides the support of user's health in this area.This device generally includes one deck or more multi-layered liner or cushion pad, and comfort level also is provided when the support of user's body function being provided and this support is provided.Similarly, this device also can comprise mechanical carrier, for example helical spring.
The progress of this area is usually directed to following apparatus: described device provides necessary functional support in this device, but also best comfort level is provided, and the decline of the required material volume of this support perhaps is provided.For example, people's such as Romano U.S. Patent No. 6701556 discloses mattress or the cushion structure that improves pressure distribution and design, and reduces the gross thickness of this mattress or cushion pad simultaneously.In addition, the U.S. Patent No. 6804848 of Rose discloses the sleep system that a kind of air is supported, it has upper mattress air posture (posturizing) module and adjustable air posture sleeping surface.
Although support health device commonly used that the function support can be provided, they also can't provide and help the useful comfort level of having a rest or sleep, and perhaps provide the maximum of the body part pressure that contacts with support surface to alleviate.Usually the known gel material provides good physical comfort and pressure relieve.In addition, also known gel demonstrates high relatively thermal conductivity.Therefore, the gel such as polyurethane is regarded as that usually health is had " ice-cold " sense, because when contacting with gel, the heat of health comes out from health significantly.
Therefore, this area still needs the device of supporting that health is useful, and this device provides the support of user's health, and provides under comfort level and the possible situation treatment benefit is provided.The present invention has satisfied this performance, and further required and useful performance.
Summary of the invention
The invention provides the device of support at least a portion health thereon.Useful is, this device comprises gel layer, and described gel layer comprises the gel of the hardness measured that has in prescribed limit.In further embodiment, this device comprises multilayer, comprises the material that at least two classes are different with preferred each layer, and wherein one deck of this device comprises gel.Device of the present invention is of value to improvement pressure pattern (mapping) and pressure relieve is provided, and according to various parameters, it also provides the ability that absorbs and transmit heat, and this thermal capacitance depends on the composition of device, and especially the composition of gel layer can be regulated in the device.
In one embodiment of the invention, this device comprises the gel layer that covers on one deck or the more multi-layered extra supporting layer.According to this embodiment of the present invention, gel layer comprises the gel with specific physical property, and through identifying, described gel provides the support pressure that the user increases and loosens, and the comfort that the user increases (that is, good " sensation ") also is provided.Gel layer can be the outermost layer of device, therefore directly contacts with the user.According to further embodiment, this device also can comprise the cover layer that covers gel layer.Preferably, cover layer does not have remarkable reduction or covers the comfort level that provided by gel layer and the structure or the thickness of support.The tectal non-limiting example that the present invention included comprises textile layer, rete, coating layer and froth bed.
Employed gel is through special preparation in the gel layer of this device, not only provide the user good " sensation " to demonstrate, the perhaps comfort level of Zeng Jiaing, and the support and the physical property of pressure relieve advantage, for example consistency and elasticity that provide the user to increase.In a special embodiment, employed gel has the measurable hardness of scope for the about 50kPa of about 0.5kPa-in gel layer.In another embodiment, the elasticity of gel is measurable in terms of hysteresis, and the hysteresis percentage ranges of gel is about 15%-about 80%.
Employed one deck or more multi-layered extra supporting layer can be included in the body support system field in this device, especially the support material of usually known any kind in mattress and seat unit field.For example, one deck or more multi-layered extra supporting layer can comprise one or more kinds in following: froth bed; Spring layer; Textile layer; Gas blanket, lumber layer, metal level and plastic layer.Therefore, device of the present invention can be widely used in the various supporters.For example, device of the present invention can be used for supporting the whole health or the part of health only.Just because of this, device of the present invention can be used for home devices, for example the bed or seat, be used to the device of handling official business, for example the back side bearing of chair seat, chair, chair arm bearing, keyboard wrist bearing (wrist rest) and analog are used for transportation, for example automotive seat or other intraware, medical treatment device, for example bed, wheelchair and clothes, for example footgear, and other device of wherein wanting maximum comfort or easing off the pressure.In a special embodiment, this device is a mattress.The non-limiting example of the further supportive device that the present invention includes comprises seat unit, pillow, mattress topper, footwear cushions (or shoe-pad), arm pad and wrist pad.
According to another embodiment, gel layer can further comprise one or more an amount of kind fillers except comprising gel.This filler especially can be used for the thermal conductivity of employed gel in the modified gel layer.As previously mentioned, gel typically has " ice-cold " sense, and this thermal conductivity of feeling to come from gel is because it leaves the more warm object that contacts with gel, for example user's health with transfer heat.Employed filler preferably can reduce the thermal conductivity of gel in gel layer, thereby allows gel to demonstrate for the user, not so the sensation of " ice-cold ".
Can use various types of filler according to the present invention.Filler material should be usually to gel, perhaps the possible derivative of gel or its precursor (for example, under the situation of polyurethane gle, isocyanates and polyalcohol) is not had reactivity.Preferably, filler is the material that can influence one or more kind physical features of gel valuably, comprising, but be not limited to the thermal conductivity of gel.In a special embodiment of the present invention, filler material is selected from cork sheet, cork powder, wooden sheet, wood shavings, foam sheet, textile fiber, textile sheet, alkane, hollow ball, synthetic microballoon, inorganic particle, bead, gas, activating agent, nano particle and composition thereof.
In a special embodiment, the device of at least a portion health thereon that provides support, this device comprise the gel layer of the filling that covers one deck or more multi-layered extra supporting layer.Preferably, the thermal conductivity of the gel layer of filling is less than about 0.20Wm
-10K
-1
In another aspect of this invention, provide a kind of mattress particularly.In one embodiment, mattress comprises the gel layer that covers froth bed.Preferably, gel layer comprises that hardness range is the gel of the about 50kPa of about 0.5kPa-.In preferred embodiments, gel is a polyurethane gle.According to further embodiment, mattress can comprise further supporting layer, spring layer for example, and also can further comprise cover layer, for example textile layer.
In another embodiment, mattress comprises the gel layer that covers spring layer.Preferably, gel layer comprises that hardness range is the gel of the about 50kPa of about 0.5kPa-.In specific embodiment, gel is a polyurethane gle.According to further embodiment, mattress can comprise further supporting layer, froth bed for example, and also can further comprise cover layer, for example textile layer.
The feature of this mattress on the one hand further is the extra physical property of employed gel in gel layer according to the present invention.For example, in one embodiment, gel layer comprises the rubber-like gel, so that the hysteresis scope of gel is about 15%-about 80%.
In another aspect of the present invention, provide a kind of mattress topper (topper) particularly.In one embodiment, mattress topper comprises the gel layer that covers froth bed, and wherein the froth bed preferred thickness is significantly less than the average thickness of standard mattress.In a special embodiment, the thickness of the froth bed of mattress is less than about 5cm.In further embodiment, mattress topper can comprise the cover layer that covers gel layer.Preferably, gel layer comprises that hardness range is the gel of the about 50kPa of about 0.5kPa-.In preferred embodiments, gel is a polyurethane gle.
In another aspect of the present invention, provide a kind of pillow particularly.In one embodiment, pillow comprises the gel layer that covers froth bed.In a preferred embodiment, the only a part of froth bed of gel layer overlies.Preferably, gel layer comprises that hardness range is the gel of the about 50kPa of about 0.5kPa-.In preferred embodiments, gel is a polyurethane gle.More further in the embodiment, pillow can comprise the cover layer that covers gel layer.
Detailed Description Of The Invention
Below in conjunction with the preferred embodiments of the invention, the present invention is described more fully, wherein provide described embodiment preferred, so that for a person skilled in the art, disclosure of the present invention is thorough and comprehensive, and covers scope of the present invention fully.Yet, be appreciated that and can in many different forms, embody the present invention, and should not be construed as being limited on the specific embodiments described herein.Although used specific term in following explanation, these terms are not only in order that purposes of illustration plan to define or limit scope of the present invention.In whole specification, identical numerical value is meant components identical.As employed in specification and claim, singulative ",, should " comprises plural form, unless clearly explanation is arranged in addition.
The invention provides the device that is used to support health, especially except functional, the supporter that also provides comfort level that the user increases and pressure spot to alleviate.This device is characterised in that its use demonstrates " sensation " and the gel rubber material of treatment advantage of preferred physical features in order to user's pleasant to be provided.
Employed gel can comprise stable, nontoxic and the common known gel quav that provides buffering effect to keep Stability Analysis of Structures degree and support simultaneously in device of the present invention.Especially, this gel can comprise the gel quav material of the consistency and elasticity that has in preferable range, describes fully as following.
According to the present invention, polyurethane gle is particularly useful.In addition, anti-other gel that hardens, has limited dilatancy and anti-substance degradation (for example, volatile reagent is as the migration of plasticizer) in time also can be used as gel in the present invention.Preferably, employed gel still is absorption of vibrations agent and antidetonation in device of the present invention.
Polyurethane is understood that the product of chemical reaction between polyisocyanate compound and the polyfunctional alcohol's (that is polyalcohol) usually.Below show an example of the general reaction process of preparation urethanes:
R wherein
1And R
2Can be various organic groups, comprising, but be not limited to the alkyl of straight or branched or ring-type, alkenyl or alkynyl, and various aryl.Certainly, above-mentioned flow chart provides and does not plan to limit the present invention as just an example forms of the useful urethanes of preparation the present invention.In the patent application 2004/0102573 (patent application serial numbers 10/656778) that patent application No.2004/0058163 (patent application serial numbers 10/618558) that U.S. Patent No. 6191216, the U.S. are announced and the U.S. announce, disclose the extra example of the polyurethane gle that can use, be introduced into by reference at this according to the present invention.In the patent application 2005/0186436 (patent application serial numbers 11/058339) that U.S. Patent No. 4404296, U.S. Patent No. 4456642 and the U.S. announce, disclose according to the present invention the example of the gel of other useful type, be introduced into by reference at this.
In one embodiment of the invention, employed gel comprises polyurethane gle in the gel layer of device.Especially, can use raw material with isocyanate functionality and polyol component degree of functionality, the preparation polyurethane gle, wherein the product of polyalcohol and isocyanate functionality (product) is at least 5.2, but preferably at least 6.5 or 7.5.In a preferred embodiment of the invention, the polyol component of producing gel comprise hydroxyl value be lower than 112 one or more to plant first polyalcohol and hydroxyl value scope be that one or more of 112-600 are planted the mixture of second polyalcohol, wherein the weight ratio of first polyalcohol and second polyalcohol is positioned between 90: 10 to 10: 90, the product that isocyanates feature in the reactant mixture is positioned at 15 to 59.81 scopes and isocyanate functionality and polyol component degree of functionality is at least 6.15.
In further concrete exemplifying in the embodiment, the raw material of the gel that production is useful according to the present invention comprise one or more kind polyisocyanates, with be lower than by hydroxyl value 112 one or more plant first component of polyalcohols, with the hydroxyl value scope be that one or more of 112-600 are planted the polyol component that second component of polyalcohols is formed, and randomly make catalyst for reaction between isocyanates and the hydroxyl, with according to polyurethane chemistry known optional filler and/or additive, wherein the weight ratio of first component and second component is positioned between 90: 10 to 10: 90, the product that isocyanates feature in the reactant mixture is positioned at 15 to 59.81 scopes and isocyanate functionality and polyol component degree of functionality is at least 6.15.
The polyol component of producing gel preferably by molecular weight between 1000 to 12,000 and the OH value between 20 to 112 one or more plant polyalcohols and form, the product of degree of functionality that wherein forms the component of polyurethane is at least 5.2, and the isocyanates feature is between 15 to 60.
Can preferably use the isocyanates of producing gel, formula Q (NCO)
nThose, wherein n represents that 2-4 and Q represent to have the aliphatic hydrocarbyl of 6-18 carbon atom, has the alicyclic alkyl of 4-15 carbon atom, perhaps has the aryl of 8-15 carbon atom.Can use the isocyanate-modified of pure form or routine, the isocyanates of for example urethane esterification, allophanic acid esterification (allophantisation) or biuretized form.
Gel such as polyurethane gle especially can be used in the device of the present invention, and this part is because due to the equalizing pressure distribution that gel provided.Different with the gasket material of standard, the pressure of described gasket material to adding, for example the user takes one's seat or lies low on liner, by only being out of shape along impressed pressure axle (promptly vertical with liner plane axle), thereby produce reaction, gel tends to demonstrate the 3 D deformation performance.In other words, by along three axles: the X in plane, gel surface place and Y-axis and the Z shaft distortion vertical with this plane, gel surface place, gel has reaction to the pressure that adds.This will cause the even distribution of exerting pressure, and this even distribution will reduce the pressure of feeling the user of pressure spot place.This is better than the gasket material of standard, and the gasket material of described standard provides uncomfortable at the pressure spot place, and may be destructive pressure accumulated.Therefore, except the comfort level that adds was provided, gel provided health advantages, for example blood circulation of Zeng Jiaing, the posture that encouragement is correct, and reduce concentrating of pressure, can cause serious disease and pressure is concentrated, for example bedsore, the perhaps ulcer of other type.
Therefore the ability that useful gel rubber material distributes because of its maximum pressure in device of the present invention is especially useful, and this can find out by pressure maps (mapping).Pressure maps is to measure in user and support surface, as the clinical tool of the interfacial pressure that occurs between seat or the bed surface.Under the situation of support cushions that adopts standard and liner, pressure maps tends to disclose local high pressure span, and this shows distribution pressure equably.Gel, particularly polyurethane gle and according to the present invention useful other gel, be better than the supporter of standard, this is that this proves by pressure maps (it demonstrates the lower pressure reading at the pressure spot place) because they can be away from the pressure spot dispense pressure.
Gel used in the present invention is characterised in that their shown specific physical properties that goes out.Especially two kinds of physical properties that characterize gel of the present invention are consistency and elasticities.These two kinds of optimization in Properties that demonstrate by gel make and can prepare the device that subjective and objective comfort level and support are provided simultaneously.In other words, having certain degree of hardness provides foregoing treatment advantage (being objective comfort level) with certain flexible gel of the present invention, and the good sensation of user (that is subjective comfort) is provided.Provide the ability of subjective and objective comfort level to be particularly useful simultaneously, this is that the supportive device that designs because provide the user to treat advantage does not always allow the user feel good.On the contrary, user's thing of feeling good can not always provide the user and treat advantage.Yet the gel of the present invention with the consistency and elasticity in prescribed limit of the present invention provides subjective and objective comfort level simultaneously.
Employed gel is characterised in that and has low hardness in the gel layer of device of the present invention, and as the power skew of gel under specific compression, this hardness can be measured.Can measure gel hardness according to any known method, and according to the present invention the useful provable hardness that has in the prescribed limit of gel.A kind of method of the measurement gel hardness that is particularly useful according to the present invention is the test method ISO 3386-1 according to the International Organization for Standardization appointment.
According to ISO 3386-1, provide the method for the compression stress value of calculating various materials.Compression stress/strain characteristic is that measuring of material carry load performance and this test method provide two equations that calculate compression force deflection (unit kPa (kPa)), and these two equations will provide material measured hardness.
Specifically, under ISO 3386-1 standard, measure, can pass through the compressive load deflection test, measure according to gel of the present invention with regard to hardness.Especially, under maximum 70% compression, the gel sample of 5cm * 5cm * 2.5cm is placed under the compression stress, and under 40% compression, measure gel hardness as the stress (kPa) that is applied on the gel.
The gel useful according to the present invention has the low hardness measured.Preferably, gel has less than 90kPa, is more preferably less than 80kPa, still is more preferably less than 70kPa and most preferably less than measurable hardness of 60kPa.In one embodiment, gel used in the present invention has the measured hardness of scope for the about 50kPa of about 0.5kPa-.According to further embodiment, gel has scope and is the about 40kPa of about 1kPa-, the about 30kPa of about 1.5kPa-, or the hardness of the about 25kPa of about 2kPa-.
According to another embodiment of the present invention, employed gel is characterised in that to have the measurable elasticity in prescribed limit in the gel layer of device.In Solid Mechanics, material is appreciated that to having elastic behavior: if owing to apply load, will cause its change of shape and when when unloading, material recovers its original shape.The elasticity of material and its rigidity are inversely proportional to.
Flexible a kind of method of estimating gel used according to the invention is by measuring the shown hysteresis that goes out of gel.Hysteresis is not follow the power that is applied on them immediately to change, but slowly reacts, and does not perhaps return to the performance (physics system usually) of the system of its initial state fully.Therefore, hysteresis can be evaluated as material such as gel and lags behind in the power on the gel of removing and turn back to the ability of its original shape.
In measuring a kind of method that lags behind, apply force on the gel, this will cause the gel compression.The power of measurement gel under 70% compression is offset and removes external force, thereby allows the gel pressure release.Measure under compression not the skew of (that is after, removing power) gel then.The hysteresis of gel (representing with the percentage form) is the poor of two power values under the skew of determining.Therefore, think that the gel that demonstrates low hysteresis percentage has high elasticity, in other words, also significantly fully return to its original shape fast.Think that the gel elastomer that demonstrates high hysteresis percentage is less, in other words, postpone more and so fully do not turn back to its original shape.
According to the present invention, the gel that uses in gel layer has elasticity valuably, but does not demonstrate the physical property that highly depends on temperature.For example, viscoplasticity (usually being called " memory foam ") typically demonstrates the glass transition temperature (Tg) under about room temperature.In the environment of cold, memory foam product will tend to hard and resilience less.On the contrary, in warmer environment, memory foam product will tend to softer and resilience bigger.Therefore, product changes according to environment temperature, comprising the variations in temperature owing to the health hot-fluid.
Useful gel has high elasticity according to the present invention, does not have this shortcoming.On the contrary, this gel demonstrates the elasticity (or hysteresis percentage) that does not change with temperature.In one embodiment, gel used in the present invention has the measurable hysteresis of scope for about 15%-about 80%.According to further embodiment, it is about 70% for about 20%-that gel has scope, and about 25%-is about 60%, the hysteresis of perhaps about 30%-about 50%.
Gel usually tends to the cushion pad material to standard, and when for example foams demonstrated excellent pressure distribution performance, gel also tended to demonstrate the thermal conductivity bigger than foams.For example wish therein that in the warm environment of cooling effect, high thermal conductivity can be required gelling performance.Yet, in other cases, may wish to have lower thermal conductivity more, so that near user's health, keep heat.Therefore, benefit of the present invention is that employed gel can have measurable thermal conductivity in the gel layer of supportive device of the present invention.
Thermal conductivity (λ) is usually with watts/meter/degree Kelvin (Wm
-10K
-1) being the unit report, it relates under fixing condition, the ability of transmission of materials heat.The λ value is low more, and material will be good more insulator.On the contrary, the λ value is high more, and material will be good more conductor.
Known foams (a kind of typical cushion pad material that is used for supportive device) are the materials that demonstrates the good insulation performance performance.For example, molded foam, as the λ value that is used for the molded foam of cushion typically is about 0.04Wm
-10K
-1And the λ value of employed foams typically is about 0.022Wm in structure and construction material
-10K
-1When using the material of high-insulation in the supportive device of using the mankind, the heat that the human body that at first contacts with foams generates is transferred on the contact surface of foams immediately.Along with time lapse, the heat of transfer is anti-to heavens to be moved for dissipation by foams.The energy (heat) that human body produces continuously causes temperature to increase, and this is because foams can't absorb energy and it is enough carried apace leave contact area.In other words, although may have certain comfort level by contact keep initial warm with foams, the accumulation of final heat causes the user uncomfortable.
Polyurethane gle demonstrates different hot propertys with similar gels described herein, and compares with foams, can be considered the good conductor of heat usually.For example, the λ value of polyurethane gle can be about 0.20Wm
-10K
-1, perhaps bigger.Polyurethane gle typically also has the density bigger than foams.For example, the density range of polyurethane gle typically can be the about 1100Kg/m of about 600-
3, and the density range of foams that is used for the foaming of seat cushion pad can be the about 85Kg/m of about 30-usually
3In addition, polyurethane gle has high thermal capacitance usually.The transfer heat that increases is by the ability of material, and the required high this combination of energy of the quality of materials of higher unit are and increase material temperature makes that along with time lapse heat is significantly different from the type that the user exchanges on the gel.
Therefore the exchange capability of heat of employed gel further helps to wish and appreciate at supportive device in gel layer of the present invention, for example the user of good " sensation " in mattress, pillow, seat apparatus or the analog.Therefore, the existence of gel layer is convenient to increase comfort level, this is not only because the pressure distribution quality of gel, and because the thermal conductivity of gel and correspondingly from health, removing due to the ability of heat, so overcome the cause uncomfortable final accumulation of heat relevant with many supportive devices.
Useful is that the gel useful according to the present invention can change its λ value by adding one or more kind fillers.The gel of filling is useful according to the present invention, because they can use in supportive device, with comfort level and the pressure distribution that foregoing increase is provided, also has lower thermal conductivity simultaneously, removes heat to reduce from user's health.The λ value of this reduction gel will reduce " coolness " of gel.For the user who wherein wishes warm sensation, this also can increase the subjective comfort of supportive device.
Therefore, in one embodiment of the invention, employed gel further comprises one or more kind fillers in the gel layer of supportive device.Filler material can be to mix with gel, and changes any material of gel λ value effectively.In specific embodiment, filler material reduces the λ value of gel effectively, and the result feels warm from gel.Therefore, the various types of materials of scope from the solid to liquid can be used as the filler that employed gel is used in the gel layer of the present invention.
In one embodiment of the invention, filler comprises solid material.Preferred solid material comprises bulk material.The average-size of shot-like particle can change according to the device that the gel of filling will use within it, and also can change according to required λ value in the gel of filling.In one embodiment, filler comprises coarse particle.In another embodiment, filler can comprise particulate (that is powder).In an embodiment again, filler can comprise nano particle.In special embodiment of the present invention, filler material comprises that average diameter is the shot-like particle of the about 15mm of about 0.05mm-.In another embodiment, the average diameter of shot-like particle is the about 10mm of about 0.10mm-, the about 5mm of about 0.10mm-, or the about 1mm of about 0.10-.
In another embodiment of the present invention, filler material comprises hollow material, for example microballoon.This hollow material can be natural or synthetic source, but is commonly referred to be the synthetic material of producing.For example, material can comprise synthetic microballoon.Preferably by polymeric material, polyolefin for example, especially acrylonitrile copolymer or polyvinyl chloride form this microballoon.Except synthetic microballoon, also can in the gel of filling, use the hollow material of other type with various geometries.For example, except the hollow material (same as balloon shape is described) that is generally sphere in nature, hollow material also can be the form of tubulose, rectangle or other geometry.
In another embodiment of the present invention, filler comprises liquid, especially organic liquid.Liquid is preferably to parent material, intermediate and accessory substance in the gel of employed gel in the gel layer and preparation (for example, under the situation of polyurethane gle, isocyanates and polyalcohol) chemical inertness.Therefore, liquid filler is preferably selected from usually such as plasticizer (comprising oil, resin and hydrocarbon derivative), hydro carbons and dyestuff, the material of alkylbenzene and liquid ester and so on.More particularly, fluent material can comprise amorphous or the hemihedral crystal alkane, naphthenic oil or resin, heavy oil and light oil, alkylbenzene, ester (preferred polyol and monocarboxylic product), alkyl polyaromatic compound and vegetable oil, and the bond of aforesaid liquid.
The further embodiment according to the present invention, hydro carbons can comprise one or more kind gases.For example, hydro carbons can comprise atmospheric air.In other embodiments, the gas that is used as filler material can comprise pure basically gas, for example nitrogen or another inert gas, for example argon gas.Gas also can comprise gaseous compound, for example carbon dioxide.
In an embodiment more of the present invention, hydro carbons can comprise one or more kind activating agents.Activating agent as used herein intends referring to provide any additives of user's result of treatment.For example, activating agent can comprise vitamin, mineral, essential oil, spices and analog.
Hydro carbons can comprise natural or synthetic material usually.For example, hydro carbons can comprise natural material, and for example cork, timber, sponge, natural fiber are (for example, cotton, wool etc.), mineral (for example, mica or other silicate, or other metal oxide, for example aluminate), float stone and glass (comprising fiber, ball etc.).Comprise synthetic fibers, synthetic microballoon and various other synthetic material as the example of the synthetic material of filler in the present invention.In a special embodiment of the present invention, filler is selected from cork sheet, cork powder, wooden sheet, wood shavings, foam sheet, textile fiber, textile sheet, alkane, hollow ball, synthetic microballoon, inorganic particle, bead, gas, activating agent, nano particle and composition thereof.
The filer content that exists in gel can change according to the device that the gel of filling uses within it, and also can change according to required λ value in the gel of filling.In one embodiment of the invention, based on volume, filler comprises the gel of the filling of about 5%-about 95%.In another embodiment, based on volume, filler comprises the gel of the filling of about 10%-about 90%.In an embodiment again, based on volume, filler comprises the gel of the filling of about 20%-about 80%.In yet another embodiment, based on volume, filler comprises the gel of the filling of about 25%-about 75%.
Depend on the type of filler in the gel of filling and in the gel of filling the content of filler, the λ value that the λ value of the gel of filling can never have the gel of filler changes.Preferably, in the gel of filling, exist filler will cause that the gel of filling demonstrates the λ value of reduction.In other words, the thermal conductivity of preferred gel of filling is less than the thermal conductivity of the gel that does not have filler.
In one embodiment of the invention, the thermal conductivity of the gel of filling is less than about 0.20Wm
-10K
-1In another embodiment, the thermal conductivity of the gel of filling is less than about 0.15Wm
-10K
-1In an embodiment again, the thermal conductivity of the gel of filling is less than about 0.10Wm
-10K
-1In a special embodiment of the present invention, the thermal conductivity of the gel of filling is less than or equal to about 0.08Wm
-10K
-1
Except gel layer (it can comprise or can not comprise one or more kind fillers), supportive device of the present invention also can further comprise one deck or the more multi-layered supporting layer that covers gel layer.Extra supporting layer can comprise that common known can be used in this area provides the material of any kind of user's health at least a portion support.For example, extra supporting layer can comprise froth bed, and in any various embodiments, described froth bed can be used for providing buffering effect usually or supports effect.Extra supporting layer also can comprise spring, and its medi-spring is regarded as can be used for providing the health support.In any embodiment known in the art, spring layer can provide effective support, and user's comfort level also is provided simultaneously.For example, spring layer can comprise to a series of spring of small part interconnection.In addition, spring layer can comprise a series of springs that exist as independent coil.The present invention has also included the further extra embodiment of spring layer, and it does not plan to be subjected to the above embodiment restriction that provides.For example, the present invention also comprises device, and wherein extra supporting layer comprises known other material that provides support, comprising gas (for example air), padded coaming or liner, textile layer, and also comprise the material that structure is provided, for example timber, metal or rigid plastics.
In one embodiment of the invention, supportive device comprises the extra supporting layer of one deck at least of gel layer and foamed material.In another embodiment of the present invention, supportive device comprises the extra supporting layer of one deck at least of gel layer and spring.In an embodiment more of the present invention, supportive device comprises gel layer, the extra supporting layer of one deck at least of supporting layer that one deck at least of spring is extra and foamed material.In a special embodiment of the present invention, one deck or more multi-layered extra supporting layer cover gel layer and arrange, so that there is not extra supporting layer above gel layer.
Extra supporting layer can be connected integratedly with gel layer or can be independent object.Connection integratedly is meant each layer that be connected to each other, so that two-layer inseparable under the situation of not damaging one or more layers to small part.For example, can for example connect each layer integratedly by gummed, punching press, stitching, welding etc.In addition, can connect each layer integratedly by chemical bonding.For example, when gel layer comprises that polyurethane gle and extra supporting layer comprise polyurethane foam, solidify (perhaps slaking) before at gel or foams, this is two-layer to have free NCO.Therefore, when allowing one deck to solidify, the chemical bonding of other adjacent layer can appear between gel and foams.
Foam support layers especially can be used for combining with gel layer, and this is not only because bond easily as mentioned above, and because provides various combinations.For example, in one embodiment, can use the foams that spiral.In another embodiment, foams can have one or more cavity for accepting all or part gel layer.When having this cavity, cavity can be positioned on " surface layer " surfaces of foams, on " bottom " surface of foams, perhaps simultaneously on the surface layer and lower surface of foams.
Extra therein supporting layer comprises in the specific embodiment of the present invention of froth bed that what be particularly useful is that froth bed has specific thickness.For example, the big relatively and froth bed of device provides under the significantly a large amount of apparatus structure situation therein, and for example in mattress, useful is that froth bed can have significant thickness, for example in one embodiment, extra supporting layer comprises that thickness is at least about the froth bed of 5cm.In further embodiment, the thickness of froth bed is at least about 6cm, at least about 7cm, at least about 8cm, at least about 9cm with at least about 10cm.
In other embodiments of the present invention, preferably extra supporting layer can have less than aforesaid thickness.For example, when supportive device is footwear insert (shoe insert), wish that this device has minimum thickness.Equally, device is in the embodiment of mattress topper therein, and useful is that extra supporting layer has minimum thickness, to avoid adding the total section bar curve (profile) of mattress topper.For example, in one embodiment, useful is that extra supporting layer is foams or the textile layer of thickness less than about 5cm.In further embodiment, extra supporting layer preferred thickness is less than about 4cm, less than about 3cm with less than about 2cm.
Except above-described gel layer and one or more layers extra supporting layer, supportive device of the present invention also comprises the cover layer that adds the covering gel layer.For all kinds of supportive devices that the present invention includes, cover layer can be included in the material of any kind commonly used in the cover layer usually.This cover layer comprises natural and synthetic material.In addition, this cover layer also can comprise liner.For example, when supportive device was mattress, cover layer can be the mattress topper of place mat.In addition, the ornament materials of any kind can be used as cover layer in the present invention.Therefore, exist gel layer never to be limited in and cover the obtainable tectal type of use in the supportive device of the present invention.In addition, the present invention also includes the cover layer of other type.For example, cover layer can comprise film, for example polyurethane film, coating, for example bond that does not have reactivity or be not clamminess under drying or solid state, perhaps foams.
About extra supporting layer, in some embodiments of the present invention, useful is that cover layer can have specific thickness.Usually, cover layer should have minimum thickness, to avoid covering the treatment advantage of gel layer and the sensation of pleasant.For example, in one embodiment, cover layer comprises froth bed.According to this embodiment, the thickness of preferred foams layer is less than about 5cm.In further embodiment, tectal thickness is preferably less than about 4cm, less than about 3cm with less than about 2cm.
Exist gel layer never to limit the scope of the supportive device that the present invention includes.Therefore, supportive device of the present invention can comprise such as mattress, seat, sofa, movable chaise longue, wheelchair, pillow, anchor clamps cushion pad, office equipment, automotive component, mattress topper and analog.In a special embodiment of the present invention, supportive device comprises the mattress of bed.In another embodiment of the present invention, supportive device comprises seat apparatus.In an embodiment again, supportive device comprises pillow.In yet another embodiment, supportive device comprises mattress topper.
Contain and cover the extra supporting layer of one deck at least, for example the supportive device of the present invention of the gel layer of froth bed and spring layer is benefited from many aspects of the present invention.As previously mentioned, for each individual course that can use supportive device, gel layer provides improved pressure pattern (that is, gel provides improved pressure distribution outside pressure spot and away from pressure spot).In addition, and serve as insulator usually and catch other known support material of user's heat, for example foams are compared, and gel has under different parameters and absorbs and the ability of transfer heat.Yet the gel layer in the device of the present invention can further comprise one or more kind fillers, therefore can make to have according to predetermined technical specification? value is so that for the sensation of comfortable optimization from the hot-fluid of user's health.In other words, the warm sensation that common gel layer can provide the user usually to wish, rather than serve as the catches of hot-fluid, for example foams.In addition, when in conjunction with further layer, when for example foams or spring use, can adopt under the situation of the gel layer of relative thin only, the various advantages of gel layer are provided, the supportive device body can comprise conventional more material simultaneously.
Experiment
Set forth the present invention more fully by following embodiment, wherein list described embodiment and set forth the present invention, and should not be considered as restriction.
Embodiment 1
Measure the mechanical performance of gel
Use test method described herein, measure the mechanical performance of useful multiple polyurethane gle according to the present invention.Estimate the hardness and the hysteresis of various gel samples, and evaluation result is provided in table 1.
| Table 1 | |||||
| The mechanical performance of gel | |||||
| Sample ID | Hardness (kPa) | Lag behind (%) | Filler | Shape | Purposes |
| 1 | 7.6 | 37.4 | Do not have | Rule | Mattress |
| 2 | 6.0 | 35.0 | Do not have | Cylindrical | Mattress |
| 3 | 4.4 | 45.7 | Do not have | Cylindrical | Mattress |
| 4 | 12.0 | 46.0 | Cork | Cylindrical | Mattress |
| 5 | 9.7 | 36.0 | Microballoon | Cylindrical | Seat |
| 6 | 7.9 | 71.0 | Do not have | Rule | Seat |
| 7 | 11.0 | 63.0 | Do not have | Rule | Seat |
| 8 | 41.0 | 47.0 | Do not have | Rule | The arm pad |
| 9 | 16.0 | 68.0 | Do not have | Rule | The arm pad |
| 10 | 3.1 | 54.5 | Do not have | Turriform | Mattress |
| 11 | 32.6 | 51.1 | Do not have | Turriform | The arm pad |
| 12 | 92.0 | 63.0 | Do not have | Rule | - |
For each gel sample, sampling shape, optional filler material, the purposes that exemplifies, hardness (measuring) and hysteresis percentage with the power offset form under 40% compression.About sample shape, " rule " be meant 5cm wide * sample that 5cm length * 2.5cm is thick, " cylindrical " is meant that diameter is that 5cm and thickness are the cylindrical sample of 3cm, " turriform " be meant 5cm wide * sample that 5cm length * 1.7mm is thick, it has from four square protrusions of its top emersion, and wherein each protrusion is 2cm, and wide * 2cm length * 0.8cm is thick.As an example, the purposes that only provides each sample and provided, and should not be construed as limiting the invention.Sample ID12 provides as the Comparative Examples of gel, and it is not useable for the present invention, and the hardness of gel is beyond preferred range.
Those skilled in the art in the invention will keep of the present invention many modifications and other embodiment of listing firmly in mind herein and have the advantage of the instruction of listing in the aforementioned specification.Therefore, be appreciated that the present invention without limits on disclosed specific embodiments and other embodiment intend comprising within the scope of the appended claims.Although use specific term herein, they only use on general and descriptive meaning, rather than the purpose in order to limit.
Claims (58)
1. the superincumbent device of at least a portion body-support, described device comprise the gel layer that covers on one deck or the more multi-layered extra supporting layer, and wherein said gel layer comprises that hardness range is the gel of the about 50kPa of about 0.5kPa-.
2. the device of claim 1, wherein said gel demonstrates the hysteresis of about 15%-about 80%.
3. the device of claim 2, wherein said gel demonstrates the hysteresis of about 25%-about 60%.
4. the device of claim 1, the hardness range of wherein said gel is the about 30kPa of about 1.5kPa-.
5. the device of claim 1, wherein said one deck or more multi-layered extra supporting layer are selected from froth bed, spring layer, textile layer, gas blanket, lumber layer, metal level, plastic layer and combination thereof.
6. the device of claim 1, it further comprises the cover layer that covers described gel layer.
7. the device of claim 6, wherein said cover layer is selected from textile layer, rete, coating layer and froth bed.
8. the device of claim 1, wherein said device is selected from mattress, seat apparatus, pillow, mattress topper, shoe-pad, arm pad and wrist pad.
9. wherein there is not the extra supporting layer that is positioned on the described gel layer in the device of claim 1.
10. the device of claim 1, wherein said gel layer comprises polyurethane gle.
11. the device of claim 1, wherein said device are the mattresses that contains the gel layer that covers froth bed, wherein said gel layer comprises that hardness range is about 50kPa of about 0.5kPa-and the polyurethane gle that demonstrates the hysteresis of about 15%-about 80%.
12. the device of claim 1 is wherein measured the hardness of described gel according to the method for ISO 3386-1.
13. the device of claim 1, wherein said scale of hardness are shown in the power skew of the described gel sample of 5cm * 5cm * 2.5cm under 40% the compression.
14. the device of claim 1, wherein said gel layer integral body are connected at least on described one deck of one deck or the more multi-layered extra supporting layer.
15. the device of claim 1, wherein said one deck or more multi-layered extra supporting layer comprise froth bed.
16. the device of claim 15, wherein said foam are the spiral foams.
17. the device of claim 15, wherein said foam comprise one or more cavity that receives described gel layer.
18. the device of claim 15, wherein said gel layer is in the same place with described froth bed chemical bonding.
19. the device of claim 15, the thickness of wherein said froth bed is at least about 5cm, described device further comprises the cover layer of one deck at least that covers described gel layer, described cover layer is selected from textile layer, rete, coating layer and froth bed and the tectal thickness of wherein said one deck at least less than about 5cm.
20. the device of claim 1, wherein said device is the mattress topper that contains the gel layer that covers froth bed, wherein said gel layer comprise hardness range be the about 50kPa of about 0.5kPa-and demonstrate polyurethane gle that about 15%-about 80% lags behind and the thickness of wherein said froth bed less than about 5cm.
21. the device of claim 1, wherein said gel comprise one or more kind filler contents.
22. the device of claim 21, wherein said one or more kind fillers are selected from cork sheet, cork powder, wood chip, wood shavings, foam sheet, textile fiber, textile sheet, alkane, hollow ball, synthetic microballoon, inorganic particle, bead, gas, activating agent, nano particle and composition thereof.
23. the device of claim 21, wherein with described one or more plant the thermal conductivity of the described gel that fillers fill less than about 0.20Wm
-10K
-1
24. the device of claim 23, wherein with described one or more plant the thermal conductivity of the described gel that fillers fill less than about 0.10Wm
-10K
-1
25. the device of claim 23, wherein based on volume, described one or more kind fillers account for about 5%-about 95% of described gel.
26. support the device of at least a portion health thereon, this device comprises the gel layer of the filling that covers one deck or more multi-layered extra supporting layer.
27. the device of claim 26, the gel layer of wherein said filling comprise one or more kind fillers that are selected from cork sheet, cork powder, wooden sheet, wood shavings, foam sheet, textile fiber, textile sheet, alkane, hollow ball, synthetic microballoon, inorganic particle, bead, gas, activating agent, nano particle and composition thereof.
28. the device of claim 26, wherein said one or more kind fillers comprise that average diameter is the particulate matter of the about 15mm of about 0.05mm-.
29. the device of claim 26, the thermal conductivity of the gel of wherein said filling is less than the thermal conductivity of the gel that does not have described one or more kind fillers.
30. the device of claim 26, the thermal conductivity of the gel of wherein said filling is less than about 0.20Wm
-10K
-1
31. the device of claim 30, the thermal conductivity of the gel of wherein said filling is less than about 0.10Wm
-10K
-1
32. the device of claim 26, wherein based on volume, described one or more kind fillers account for about 5%-about 95% of described gel.
33. the device of claim 32, wherein based on volume, described one or more kind fillers account for about 20%-about 90% of described gel.
34. the device of claim 26, the gel layer of wherein said filling comprise that hardness range is the gel of the about 50kPa of about 0.5kPa-.
35. the device of claim 26, the gel layer of wherein said filling comprise the gel of the hysteresis that demonstrates about 15%-about 80%.
36. the device of claim 26, wherein said one deck or more multi-layered extra supporting layer are selected from froth bed, spring layer, textile layer, gas blanket, lumber layer, metal level, plastic layer and combination thereof.
37. the device of claim 26, it further comprises the cover layer of the gel layer that covers described filling.
38. the device of claim 37, wherein said cover layer is selected from textile layer, rete, coating layer and froth bed.
39. the device of claim 26, wherein said device are selected from mattress, seat apparatus, pillow, mattress topper, shoe-pad, arm pad and wrist pad.
40. a mattress, it comprises the gel layer that covers froth bed, and wherein said gel layer comprises that the hardness range of measuring according to the method for ISO 3386-1 is the gel of the about 50kPa of about 0.5kPa-.
41. the mattress of claim 40, wherein said gel demonstrate the hysteresis of about 15%-about 80%.
42. the mattress of claim 40, it further comprises one deck or more multi-layered spring layer.
43. the mattress of claim 40, it further comprises the cover layer that covers described gel layer.
44. a mattress, it comprises the gel layer that covers spring layer, and wherein said gel layer comprises that the hardness range of measuring according to the method for ISO 3386-1 is the gel of the about 50kPa of about 0.5kPa-.
45. the mattress of claim 44, wherein said gel demonstrate the hysteresis of about 15%-about 80%.
46. the mattress of claim 44, it further comprises one deck or more multi-layered froth bed.
47. the mattress of claim 44, it further comprises the cover layer that covers described gel layer.
48. a mattress topper, it comprises the gel layer that covers froth bed, wherein said gel layer comprise the hardness range measured according to the method for ISO 3386-1 for the thickness of the gel of the about 50kPa of about 0.5kPa-and wherein said froth bed less than about 5cm.
49. the mattress topper of claim 48, wherein said gel demonstrate the hysteresis of about 15%-about 80%.
50. the mattress topper of claim 48, it further comprises the cover layer that covers described gel layer.
51. a pillow, it comprises the gel layer that covers froth bed, and wherein said gel layer comprises that the hardness range of measuring according to the method for ISO 3386-1 is the gel of the about 50kPa of about 0.5kPa-.
52. the pillow of claim 51, wherein said gel demonstrate the hysteresis of about 15%-about 80%.
53. the pillow of claim 51, it further comprises the cover layer that covers described gel layer.
54. support the device of at least a portion health thereon, described device comprises gel layer, described gel layer comprises that the hardness range of measuring according to the method for ISO 3386-1 is the about 50kPa of about 0.5kPa-and demonstrates the gel that about 15%-about 80% lags behind.
55. the device of claim 54, it further is included in the one deck or the more multi-layered extra supporting layer of described gel layer below.
56. the device of claim 54, it further comprises the cover layer that covers described gel layer.
57. the device of claim 54, wherein said device is selected from mattress, mattress topper and pillow.
58. the device of claim 54, wherein said gel layer further comprise one or more kind fillers that are selected from cork sheet, cork powder, wooden sheet, wood shavings, foam sheet, textile fiber, textile sheet, alkane, hollow ball, synthetic microballoon, inorganic particle, bead, gas, activating agent, nano particle and composition thereof.
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| US (1) | US20070061978A1 (en) |
| EP (1) | EP1865812A1 (en) |
| JP (1) | JP2008532720A (en) |
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| AU (1) | AU2006226106A1 (en) |
| BR (1) | BRPI0611466A2 (en) |
| CA (1) | CA2601023A1 (en) |
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| MX (1) | MX2007011773A (en) |
| NO (1) | NO20075234L (en) |
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| US20190038040A1 (en) * | 2017-08-04 | 2019-02-07 | Technogel Italia S.r.I. | Mattress for improved sleep and methods of use thereof |
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| FR2457665A1 (en) * | 1979-05-29 | 1980-12-26 | Boussaroque Bertrand | IMPROVEMENTS IN MATTRESSES WITH STIFFENERS |
| AU558611B2 (en) | 1981-02-03 | 1987-02-05 | Bayer Aktiengesellschaft | Polyurethane gel |
| DE3103564A1 (en) | 1981-02-03 | 1982-08-26 | Bayer Ag, 5090 Leverkusen | GEL UPHOLSTERY, METHOD FOR THE PRODUCTION AND USE THEREOF |
| US4532662A (en) * | 1983-12-27 | 1985-08-06 | Nicholas Sama | Modified waterbed |
| US5766704A (en) * | 1995-10-27 | 1998-06-16 | Acushnet Company | Conforming shoe construction and gel compositions therefor |
| US5749111A (en) * | 1996-02-14 | 1998-05-12 | Teksource, Lc | Gelatinous cushions with buckling columns |
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| US20050050636A1 (en) * | 2003-09-04 | 2005-03-10 | Hiroto Setokawa | Pillow |
-
2006
- 2006-03-01 US US11/365,473 patent/US20070061978A1/en not_active Abandoned
- 2006-03-17 RU RU2007135013/12A patent/RU2007135013A/en not_active Application Discontinuation
- 2006-03-17 CA CA002601023A patent/CA2601023A1/en not_active Abandoned
- 2006-03-17 WO PCT/IB2006/000603 patent/WO2006100558A1/en active Application Filing
- 2006-03-17 JP JP2008502500A patent/JP2008532720A/en active Pending
- 2006-03-17 AU AU2006226106A patent/AU2006226106A1/en not_active Abandoned
- 2006-03-17 BR BRPI0611466-0A patent/BRPI0611466A2/en active Search and Examination
- 2006-03-17 EP EP06727328A patent/EP1865812A1/en not_active Ceased
- 2006-03-17 MX MX2007011773A patent/MX2007011773A/en unknown
- 2006-03-17 KR KR1020077023945A patent/KR20070116120A/en not_active Application Discontinuation
- 2006-03-17 CN CNA2006800118505A patent/CN101155533A/en active Pending
- 2006-03-21 AR ARP060101114A patent/AR057267A1/en unknown
-
2007
- 2007-09-10 IL IL185843A patent/IL185843A0/en unknown
- 2007-09-19 ZA ZA200708044A patent/ZA200708044B/en unknown
- 2007-10-12 NO NO20075234A patent/NO20075234L/en not_active Application Discontinuation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103356014A (en) * | 2012-04-11 | 2013-10-23 | 际诺思（厦门）轻工制品有限公司 | Sponge pillow structure and manufacturing method thereof |
| CN103356014B (en) * | 2012-04-11 | 2015-10-28 | 际诺思（厦门）轻工制品有限公司 | A kind of foam pillow structure and preparation method thereof |
| CN103660407A (en) * | 2012-09-11 | 2014-03-26 | 际诺思（厦门）轻工制品有限公司 | Sponge and production method for sponge |
| CN106714622A (en) * | 2014-09-16 | 2017-05-24 | 泰普尔-派迪克管理有限责任公司 | Gel molded pillow and method of producing the same |
| CN107625608A (en) * | 2016-07-19 | 2018-01-26 | 奥克兰高分子医用材料(天津)有限公司 | Lighting Thyroid operation position pad |
| CN107638271A (en) * | 2016-07-20 | 2018-01-30 | 奥克兰高分子医用材料(天津)有限公司 | A kind of lightweight side-lying position operation pad |
Also Published As
| Publication number | Publication date |
|---|---|
| IL185843A0 (en) | 2008-01-06 |
| NO20075234L (en) | 2007-12-19 |
| MX2007011773A (en) | 2008-02-22 |
| RU2007135013A (en) | 2009-03-27 |
| BRPI0611466A2 (en) | 2010-09-08 |
| CA2601023A1 (en) | 2006-09-28 |
| AR057267A1 (en) | 2007-11-28 |
| US20070061978A1 (en) | 2007-03-22 |
| ZA200708044B (en) | 2008-08-27 |
| KR20070116120A (en) | 2007-12-06 |
| WO2006100558A1 (en) | 2006-09-28 |
| JP2008532720A (en) | 2008-08-21 |
| AU2006226106A1 (en) | 2006-09-28 |
| EP1865812A1 (en) | 2007-12-19 |
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