EP0263065A2 - Mattress - Google Patents
Mattress Download PDFInfo
- Publication number
- EP0263065A2 EP0263065A2 EP87810533A EP87810533A EP0263065A2 EP 0263065 A2 EP0263065 A2 EP 0263065A2 EP 87810533 A EP87810533 A EP 87810533A EP 87810533 A EP87810533 A EP 87810533A EP 0263065 A2 EP0263065 A2 EP 0263065A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mattress
- support
- outer layers
- recesses
- support body
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Classifications
-
- 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
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material
-
- 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
- A47C27/12—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
-
- 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
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/148—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays of different resilience
-
- 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
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/05715—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with modular blocks, or inserts, with layers of different material
Definitions
- the present invention relates to a mattress with support bodies which are arranged distributed in the mattress surface and each cause locally increased support for the person lying on it.
- certain physiological effects in particular an improvement in the blood flow to the supported body parts, are achieved, which can serve for prophylactic or therapeutic purposes.
- Known mattresses of this type have protruding, hemispherical or pyramid-shaped bodies molded onto or attached to a flat base, which serve to directly support the seated or lying person (DE-A-35 24 236 and 35 25 960). These mattresses with external elevations and depressions (body) are perceived as disturbing and are physiologically unsatisfactory with prolonged use.
- pillows and mattresses are also known which are filled with a loose filling compound of relatively small bodies, for example foam plastic particles, cores or the like.
- this type of pillow or mattress does not result in a physiological massage effect, as is caused by individual, larger elevations or supporting bodies arranged in a distributed manner.
- the aim of the present invention is now to create a mattress which is easy to manufacture, corresponds externally to the conventional mattress shapes and also in each case. the relationship as such can be used and combined, and which brings about the desired physiological effect without negative side effects in a particularly advantageous manner.
- This goal is achieved in that the support bodies are provided in a cage-like central zone of the support bodies with holding recesses for the support bodies Mattress arranged and covered on both sides with elastic outer layers.
- a mattress core 1 with through holes 2 is prepared.
- balls 3 are then inserted into each opening according to FIG. 2, which can preferably be done fully automatically, mechanically.
- the core is then glued on both sides with elastic outer layers 4.
- These outer layers are shown in two parts in FIG. 3, but they can also be made in one part.
- further pads for example vegetable or animal natural fibers or synthetic nonwovens 5, can then be placed on which the edging material is applied.
- the result is a mattress of an outwardly customary shape.
- the core 1 and the outer layers 4 can consist of cold foam, latex foam, a spring core, vegetable or animal fibers or combinations thereof.
- a foam is preferably used for the core 1.
- the inserted support bodies fulfill the function of Reinforcement of the central zone.
- the outer layers are preferably made of foam softer foam or latex foam and thus act as a cuddly, anatomically correct cushion.
- the support body 3 can consist of hard foam, rubber, wood, plastic, polystyrene, metal or the like compared to the other parts of solid material.
- the support bodies preferably also have a certain elasticity, even if they are much less compressible than the other components. They can preferably have the spherical shape shown, but a wide variety of other shapes are conceivable, for example ellipsoidal support bodies, cylindrical support bodies with cambered end faces, roller-shaped support bodies with knobs of any shape or angular support bodies. To save material and weight, they can preferably be hollow, but they can also be filled with certain materials, for example water or air.
- the support balls 3 preferably have a diameter of 25-50 mm and the outer layers 4 preferably have the same thickness of approximately 15-40 mm.
- the outer layers 4 can be made firmer for higher body weight. Thanks to the embedding of the support body between two elastic outer layers 4, there is a progressive increase in pressure, ie the more the outer layers are loaded in places, the more the balls penetrate into them, the larger the effective support surface and the greater the local load.
- the support bodies 3 located in the continuous recesses 2 can act as pistons which carry the air upwards oust and thus ensure good ventilation and oxygen supply to the person lying down.
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Invalid Beds And Related Equipment (AREA)
- Finger-Pressure Massage (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Matratze mit Stützkörpern, die in der Matratzenfläche verteilt angeordnet sind und je eine lokal erhöhte Abstützung der aufliegenden Person bewirken. Mit dieser Massnahme werden bestimmte physiologische Effekte, insbesondere eine Verbesserung der Durchblutung der gestützten Körperteile, erzielt, was zu prophylaktischen oder therapeutischen Zwecken dienen kann.The present invention relates to a mattress with support bodies which are arranged distributed in the mattress surface and each cause locally increased support for the person lying on it. With this measure, certain physiological effects, in particular an improvement in the blood flow to the supported body parts, are achieved, which can serve for prophylactic or therapeutic purposes.
Bekannte Matratzen dieser Art weisen an einer flachen Unterlage angeformte oder befestigte vorstehende, halbkugelförmige oder pyramidenförmige Körper auf, welche der direkten Abstützung der sitzenden oder liegenden Person dienen (DE-A-35 24 236 und 35 25 960). Diese Matratzen mit aussen angebrachten Erhebungen und Vertiefungen (Körper) werden als störend empfunden und sind bei längerem Gebrauch physiologisch unbefriedigend.Known mattresses of this type have protruding, hemispherical or pyramid-shaped bodies molded onto or attached to a flat base, which serve to directly support the seated or lying person (DE-A-35 24 236 and 35 25 960). These mattresses with external elevations and depressions (body) are perceived as disturbing and are physiologically unsatisfactory with prolonged use.
Es sind allerdings auch Kissen und Matratzen bekannt, die mit einer losen Füllmasse verhältnismässig kleiner Körper, beispielsweise Schaumkunststoffteilchen, Kernen oder dergleichen gefüllt sind. Diese Art von Kissen oder Matratzen ergibt jedoch nicht einen physiologischen Massageeffekt, wie er durch verteilt angeordnete einzelne grössere Erhebungen bzw. Stützkörper bewirkt wird.However, pillows and mattresses are also known which are filled with a loose filling compound of relatively small bodies, for example foam plastic particles, cores or the like. However, this type of pillow or mattress does not result in a physiological massage effect, as is caused by individual, larger elevations or supporting bodies arranged in a distributed manner.
Ziel vorliegender Erfindung ist es nun, eine Matratze zu schaffen, welche einfach herstellbar ist, äusserlich den herkömmlichen Matratzenformen entspricht und auch in je. der Beziehung wie solche verwendet und kombiniert werden kann, und welche den angestrebten physiologischen Effekt ohne negative Nebenwirkungen in besonders vorteilhafter Weise bewirkt. Dieses Ziel wird dadurch erreicht, dass die Stützkörper in einer käfigartig mit Halteausnehmungen für die Stützkörper versehenen Mittelzone der Matratze angeordnet und beidseitig mit elastischen Aussenschichten bedeckt sind.The aim of the present invention is now to create a mattress which is easy to manufacture, corresponds externally to the conventional mattress shapes and also in each case. the relationship as such can be used and combined, and which brings about the desired physiological effect without negative side effects in a particularly advantageous manner. This goal is achieved in that the support bodies are provided in a cage-like central zone of the support bodies with holding recesses for the support bodies Mattress arranged and covered on both sides with elastic outer layers.
Die Erfindung wird nun anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. In der Zeichnung zeigen:
- Fig. 1 eine Teildraufsicht auf einen käfigartigen Matratzenkern,
- Fig. 2 eine räumliche Teilansicht dieses Matratzenkerns mit eingelegten Stützkugeln,
- Fig. 3 einen schematischen Teilschnitt durch die mit elastischen Aussenschichten versehene Matratze und
- Fig. 4 einen entsprechenden schematischen Teilschnitt durch die fertige Matratze.
- 1 is a partial plan view of a cage-like mattress core,
- 2 is a partial spatial view of this mattress core with inserted support balls,
- Fig. 3 is a schematic partial section through the mattress provided with elastic outer layers and
- Fig. 4 shows a corresponding schematic partial section through the finished mattress.
Zur Herstellung der dargestellten Matratze wird ein Matratzenkern 1 mit durchgehenden Löchern 2 vorbereitet. In diesen käfigartigen Kern 1 werden sodann gemäss Fig. 2 Kugeln 3 in jede Durchbrechung eingelegt, was vorzugsweise vollautomatisch, maschinell geschehen kann. Sodann wird der Kern beidseitig mit elastischen Aussenschichten 4 verklebt. Diese Aussenschichten sind in Fig. 3 zweiteilig dargestellt, sie können aber auch einteilig ausgeführt sein. Gemäss Fig. 4 können dann noch weitere Auflagen, beispielsweise pflanzliche oder tierische Naturfasern oder synthetische Vliese 5 aufgelegt werden, worauf der Einfassungsstoff angebracht wird. Es entsteht damit eine Matratze äusserlich üblicher Form. Der Kern 1 und die Aussenschichten 4 können aus Kaltschaum, Latexschaumgummi, einem Federkern, pflanzlichen oder tierischen Fasern oder Kombinationen derselben bestehen. Vorzugsweise wird für den Kern 1 ein Schaum verwendet. Die eingelegten Stützkörper erfüllen die Funktion der Verstärkung der Mittelzone. Die Aussenschichten bestehen vorzugsweise aus Schaumstoff weicherer Schäumung oder Latexschaumgummi und wirken somit als anschmiegsame, anatomisch richtige Polster.To manufacture the mattress shown, a
Die Stützkörper 3 können aus Hartschaum, Gummi, Holz, Kunststoff, Styropor, Metall oder dergleichen verglichen mit den übrigen Teilen festem Material bestehen. Vorzugsweise weisen auch die Stützkörper eine gewisse Elastizität, wenn auch eine wesentlich geringere Zusammendrückbarkeit als die anderen Bestandteile, auf. Sie können vorzugsweise die dargestellte Kugelform aufweisen, doch sind verschiedenste andere Formen denkbar, beispielsweise ellipsoidförmige Stützkörper, zylindrische Stützkörper mit bombierten Endflächen, walzenförmige Stützkörper mit Noppen jeder beliebigen Formgebung oder eckige Stützkörper. Zur Einsparung von Material und Gewicht können sie vorzugsweise hohl ausgeführt sein, doch können sie auch mit bestimmten Materialien, beispielsweise Wasser oder Luft, gefüllt sein. Die Stützkugeln 3 weisen vorzugsweise einen Durchmesser von 25 - 50 mm und die Aussenschichten 4 vorzugsweise gleiche Dicke von ungefähr 15 - 40 mm auf. Bei diesen Abmessungen ergeben sich optimale Bedingungen zur Abstützung einer Person mit stellenweise erhöhtem Druck, wobei für leichtere Personen kleinere oder weichere, für schwerere Personen grössere oder härtere Stützkörper verwendet werden. Zudem können die Aussenschichten 4 für höheres Körpergewicht fester ausgeführt werden. Dank der Einbettung der Stützkörper zwischen zwei elastische Aussenschichten 4 ergibt sich jeweils eine progressive Druckerhöhung, d.h. je stärker die Aussenschichten stellenweise belastet werden, umso stärker dringen die Kugeln in sie ein, umso grösser wird die wirksame Stützfläche und umso grösser wird die lokale Belastung. Die in den durchgehenden Ausnehmungen 2 befindlichen Stützkörper 3 können als Kolben wirken, welche die Luft nach oben verdrängen und damit eine gute Durchlüftung und Sauerstoffzufuhr zur liegenden Person bewirken. Anstelle eines Käfigs für die Stützkörper, welcher aus einem Kern 1 mit durchgehenden Löchern und beidseitig aufgeklebten Deckschichten besteht, könnten zwei schalenartige Hälften mit nicht durchgehenden Ausnehmungen vorgesehen sein. Zur Herstellung könnten nun die Stützkugeln 3 in die Ausnehmungen der einen Schale eingelegt und dann die gegengleiche Schale aufgelegt und verklebt werden. Es entsteht dabei eine entsprechende Struktur mit in Ausnehmungen lose gehaltenen Stützkörpern und beidseitig ausserhalb derselben liegenden Wandteilen, die elastische Aussenschichten bilden.The
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87810533T ATE58283T1 (en) | 1986-09-26 | 1987-09-16 | MATTRESS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3854/86 | 1986-09-26 | ||
CH3854/86A CH671869A5 (en) | 1986-09-26 | 1986-09-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0263065A2 true EP0263065A2 (en) | 1988-04-06 |
EP0263065A3 EP0263065A3 (en) | 1988-07-06 |
EP0263065B1 EP0263065B1 (en) | 1990-11-14 |
Family
ID=4264904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87810533A Expired - Lifetime EP0263065B1 (en) | 1986-09-26 | 1987-09-16 | Mattress |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0263065B1 (en) |
AT (1) | ATE58283T1 (en) |
CH (1) | CH671869A5 (en) |
DE (2) | DE8704691U1 (en) |
ES (1) | ES2019404B3 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0438704A1 (en) * | 1990-01-18 | 1991-07-31 | Nihonkenkozoshinkenkyukai Co. Ltd. | Magnetic cushioning sheet |
EP0585588A1 (en) * | 1992-08-30 | 1994-03-09 | Hoi Chau Chan | Rolling-massaging mattress or cushion |
EP1197171A3 (en) * | 2000-10-13 | 2003-08-06 | Baeriswyl, Florin, d.li | Mattress with at least two different layers |
CN100589738C (en) * | 2006-10-31 | 2010-02-17 | 深圳市金士吉康复用品科技有限公司 | Mattress |
WO2011102974A1 (en) * | 2010-02-22 | 2011-08-25 | Nike International Ltd | Pad elements for apparel and other products |
CN102887474A (en) * | 2011-07-20 | 2013-01-23 | 贵州大自然科技有限公司 | Machining method and device of novel palm fiber mattress |
CN103494473A (en) * | 2013-10-11 | 2014-01-08 | 丛鑫浩 | Multifunctional baby mattress |
ITPD20130130A1 (en) * | 2013-05-13 | 2014-11-14 | New Wind S R L | MATTRESS WITH A DIFFERENTIATED ZONE |
CN112497802A (en) * | 2020-12-15 | 2021-03-16 | 长春一汽四环总装福利包装有限公司 | Production process of composite pad |
US20210337980A1 (en) * | 2020-04-30 | 2021-11-04 | Bed Patent Holdings Limited Liability Company | Mattress |
US20240023733A1 (en) * | 2022-07-25 | 2024-01-25 | Chung Soo Kim | Pillow containing latex balls |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3729245A1 (en) * | 1987-05-14 | 1988-12-01 | Rokado Metall Holz Kunststoff | MATTRESS MADE OF AN ELASTIC PLASTIC MATERIAL |
DE202011109231U1 (en) | 2011-12-19 | 2012-01-16 | Gerz Matratzen Gmbh | mattress |
CN104606013A (en) * | 2014-03-06 | 2015-05-13 | 凯撒尔·麦麦提 | Pressure sore prevention mattress |
US20210259899A1 (en) * | 2020-02-20 | 2021-08-26 | Hill-Rom Services, Inc. | Mattress system |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2244435A (en) * | 1940-07-16 | 1941-06-03 | Simons John | Health mattress |
FR1104233A (en) * | 1954-05-06 | 1955-11-17 | Improvements to seat and cushion upholstery | |
US2775998A (en) * | 1953-07-08 | 1957-01-01 | Gen Latex & Chemical Corp | Cushions and method of making same |
FR1247975A (en) * | 1959-10-24 | 1960-10-31 | Mattress | |
US3251078A (en) * | 1965-04-21 | 1966-05-17 | Calla Nick | Linked spring foam cushion construction |
DE1729995A1 (en) * | 1968-01-24 | 1971-08-05 | Georg Lenz | Foam mattress |
CH536616A (en) * | 1970-04-22 | 1973-05-15 | Rolladen Held Kg | Mattress with insert |
US4143435A (en) * | 1977-08-03 | 1979-03-13 | Isamu Masuda | Mattress having a corrugated plate |
GB2073015A (en) * | 1980-02-19 | 1981-10-14 | Rondel Ltd | Mattress |
GB2084010A (en) * | 1980-09-03 | 1982-04-07 | Nippon Athletic Ind | Felt-like mattress |
EP0180244A2 (en) * | 1984-11-02 | 1986-05-07 | Arthur Lieberknecht | Mattress with an interior consisting of feathers or a fabric |
-
1986
- 1986-09-26 CH CH3854/86A patent/CH671869A5/de not_active IP Right Cessation
-
1987
- 1987-03-30 DE DE8704691U patent/DE8704691U1/en not_active Expired
- 1987-09-16 EP EP87810533A patent/EP0263065B1/en not_active Expired - Lifetime
- 1987-09-16 DE DE8787810533T patent/DE3766214D1/en not_active Expired - Fee Related
- 1987-09-16 ES ES87810533T patent/ES2019404B3/en not_active Expired - Lifetime
- 1987-09-16 AT AT87810533T patent/ATE58283T1/en not_active IP Right Cessation
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2244435A (en) * | 1940-07-16 | 1941-06-03 | Simons John | Health mattress |
US2775998A (en) * | 1953-07-08 | 1957-01-01 | Gen Latex & Chemical Corp | Cushions and method of making same |
FR1104233A (en) * | 1954-05-06 | 1955-11-17 | Improvements to seat and cushion upholstery | |
FR1247975A (en) * | 1959-10-24 | 1960-10-31 | Mattress | |
US3251078A (en) * | 1965-04-21 | 1966-05-17 | Calla Nick | Linked spring foam cushion construction |
DE1729995A1 (en) * | 1968-01-24 | 1971-08-05 | Georg Lenz | Foam mattress |
CH536616A (en) * | 1970-04-22 | 1973-05-15 | Rolladen Held Kg | Mattress with insert |
US4143435A (en) * | 1977-08-03 | 1979-03-13 | Isamu Masuda | Mattress having a corrugated plate |
GB2073015A (en) * | 1980-02-19 | 1981-10-14 | Rondel Ltd | Mattress |
GB2084010A (en) * | 1980-09-03 | 1982-04-07 | Nippon Athletic Ind | Felt-like mattress |
EP0180244A2 (en) * | 1984-11-02 | 1986-05-07 | Arthur Lieberknecht | Mattress with an interior consisting of feathers or a fabric |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0438704A1 (en) * | 1990-01-18 | 1991-07-31 | Nihonkenkozoshinkenkyukai Co. Ltd. | Magnetic cushioning sheet |
EP0585588A1 (en) * | 1992-08-30 | 1994-03-09 | Hoi Chau Chan | Rolling-massaging mattress or cushion |
TR27185A (en) * | 1992-08-30 | 1994-11-29 | Hoi Chau Chan | Mattress or mattress massaging with a rolling effect. |
US5416936A (en) * | 1992-08-30 | 1995-05-23 | Chan; Hoi C. | Rolling-massaging mattress or cushion |
EP1197171A3 (en) * | 2000-10-13 | 2003-08-06 | Baeriswyl, Florin, d.li | Mattress with at least two different layers |
CN100589738C (en) * | 2006-10-31 | 2010-02-17 | 深圳市金士吉康复用品科技有限公司 | Mattress |
CN102892318A (en) * | 2010-02-22 | 2013-01-23 | 耐克国际有限公司 | Pad elements for apparel and other products |
US8298648B2 (en) | 2010-02-22 | 2012-10-30 | Nike, Inc. | Pad elements for apparel and other products |
WO2011102974A1 (en) * | 2010-02-22 | 2011-08-25 | Nike International Ltd | Pad elements for apparel and other products |
CN102892318B (en) * | 2010-02-22 | 2016-02-17 | 耐克创新有限合伙公司 | For the pad element of clothes and other products |
CN102887474A (en) * | 2011-07-20 | 2013-01-23 | 贵州大自然科技有限公司 | Machining method and device of novel palm fiber mattress |
ITPD20130130A1 (en) * | 2013-05-13 | 2014-11-14 | New Wind S R L | MATTRESS WITH A DIFFERENTIATED ZONE |
CN103494473A (en) * | 2013-10-11 | 2014-01-08 | 丛鑫浩 | Multifunctional baby mattress |
US20210337980A1 (en) * | 2020-04-30 | 2021-11-04 | Bed Patent Holdings Limited Liability Company | Mattress |
US11819134B2 (en) * | 2020-04-30 | 2023-11-21 | Bed Patent Holdings Limited Liability Company | Mattress |
CN112497802A (en) * | 2020-12-15 | 2021-03-16 | 长春一汽四环总装福利包装有限公司 | Production process of composite pad |
US20240023733A1 (en) * | 2022-07-25 | 2024-01-25 | Chung Soo Kim | Pillow containing latex balls |
US11903509B2 (en) * | 2022-07-25 | 2024-02-20 | Chung Soo Kim | Pillow containing latex balls |
Also Published As
Publication number | Publication date |
---|---|
ATE58283T1 (en) | 1990-11-15 |
EP0263065B1 (en) | 1990-11-14 |
CH671869A5 (en) | 1989-10-13 |
EP0263065A3 (en) | 1988-07-06 |
ES2019404B3 (en) | 1991-06-16 |
DE3766214D1 (en) | 1990-12-20 |
DE8704691U1 (en) | 1987-05-27 |
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