EP0021191A2 - Cushion of synthetic material - Google Patents
Cushion of synthetic material Download PDFInfo
- Publication number
- EP0021191A2 EP0021191A2 EP80103158A EP80103158A EP0021191A2 EP 0021191 A2 EP0021191 A2 EP 0021191A2 EP 80103158 A EP80103158 A EP 80103158A EP 80103158 A EP80103158 A EP 80103158A EP 0021191 A2 EP0021191 A2 EP 0021191A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- elevations
- cushion pad
- cushion
- stress
- differing
- 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
- 229920002994 synthetic fiber Polymers 0.000 title 1
- 239000000463 material Substances 0.000 abstract 3
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 4
- 238000007373 indentation Methods 0.000 description 4
- 210000001217 buttock Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000013518 molded foam Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/18—Seat parts having foamed material included in cushioning part
Definitions
- the invention is directed to a molded foam cushion, the surface of which has elevations in the form of cylinders, cones, truncated cones, pyramids, truncated pyramids, spherical caps, cuboids, prisms, ribs and the like.
- Such upholstery cushions are used in the furniture sector and above all in the vehicle sector.
- Another known possibility is the working out of separate recesses, whereby a reduction in the hardness in partial areas of cushion elements has been achieved by reducing the load-bearing foam volume.
- the former manufacturing processes are cumbersome and labor intensive.
- the latter method is much more efficient; there is no optimal adaptation to the human body.
- the above-mentioned cushion cushions always show indentations under load, i.e. that is, in addition to the directly loaded areas - e.g. B. in automobile seats through the thighs of the passenger - the non-loaded neighboring areas are deformed by lateral tensile stresses. This means that the desired local differences in hardness cannot be set.
- the object of the invention is that an upholstery cushion is found which has an indentation characteristic which is optimal for the body and for the stress.
- the elevations can be foamed at the same time as the cushion cushion during the molded foaming process and that, for example, elevations of a different geometry can be provided in the area of the buttocks in the area of the buttocks than in the area of the less stressful thighs.
- the elevations can have a wide variety of configurations. Size and height are also of particular influence.
- a reaction system which, for example, forms polyurethane foam with high indentation hardness is used to produce the foam-molded cushion.
- the areas of the cushion that can be adjusted to be softer are obtained by dimensioning the knobs accordingly. In this way, cushion cushions with increasingly different hardness can be produced, in which the transition from one degree of hardness to the other can be adjusted almost continuously.
- the cushion cushion 1 has side reinforcements 2, between which the actual seat 3 extends.
- This seat 3 is covered with three groups 4, 5, 6 of frustoconical elevations 7 of different sizes and heights.
Landscapes
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Buffer Packaging (AREA)
Abstract
Description
Die Erfindung richtet sich auf ein formverschäumtes Polsterkissen, dessen Oberfläche Erhebungen in Form von Zylindern, Kegeln, Kegelstümpfen, Pyramiden, Pyramidenstümpfen, Kugelkalotten, Quadern, Prismen, Rippen und dergleichen aufweist.The invention is directed to a molded foam cushion, the surface of which has elevations in the form of cylinders, cones, truncated cones, pyramids, truncated pyramids, spherical caps, cuboids, prisms, ribs and the like.
Derartige Polsterkissen dienen dem Einsatz im Möbelbereich und vor allen Dingen auch im Fahrzeugsektor.Such upholstery cushions are used in the furniture sector and above all in the vehicle sector.
Zum Erzielen einer bequemen und körpergerechten Polsterqualität ist die Wahl der richtigen Eindrückhärte-Charakteristik von entscheidender Bedeutung.Choosing the right indentation hardness characteristic is of crucial importance in order to achieve a comfortable and ergonomic upholstery quality.
Man hat deshalb versucht, Blockschaumzuschnitte mit verschiedener Stauchhärte zusammenzukleben. Eine andere Lösung bestand darin, vorgefertigte Formteile einzuschäumen bzw. zu umschäumen.An attempt has therefore been made to glue block foam blanks with different compression hardness. Another solution was to foam or foam around prefabricated molded parts.
Eine weitere bekannte Möglichkeit ist das Ausarbeiten voneinander getrennter Aussparungen, wobei durch Verminderung des tragenden Schaumstoffvolumens eine Verringerung der Härte in Teilbereichen von Polsterelementen erreicht wurde.Another known possibility is the working out of separate recesses, whereby a reduction in the hardness in partial areas of cushion elements has been achieved by reducing the load-bearing foam volume.
Schließlich ist es auch schon bekannt, bei Herstellung von Polsterkissen durch Formverschäumen die zu belastende Oberfläche (Sitzfläche, Lehne) mit angeformten Erhebungen gleicher Gestaltung und Größe auszustatten.Finally, it is also known to strain the manufacture of upholstered cushions by foam molding de to equip the surface (seat, backrest) with molded elevations of the same design and size.
Die erstgenannten Herstellungsverfahren sind umständlich und lohnintensiv. Das zuletzt genannte Verfahren ist wesentlich rationeller; eine optimale Anpassung an den menschlichen Körper ist dabei keineswegs gegeben. Es treten bei den vorgenannten Polsterkissen unter Belastung immer Eindrückverformungen auf, d. h., zusätzlich zu den direkt belasteten Flächen - z. B. bei Automobilsitzen durch die Oberschenkel des Passagiers - werden auch die nicht belasteten Nachbarbereiche durch seitlich knickende Zugspannungen verformt. Damit ist die Einstellung der gewünschten lokalen Unterschiede in der Härte nicht möglich.The former manufacturing processes are cumbersome and labor intensive. The latter method is much more efficient; there is no optimal adaptation to the human body. The above-mentioned cushion cushions always show indentations under load, i.e. that is, in addition to the directly loaded areas - e.g. B. in automobile seats through the thighs of the passenger - the non-loaded neighboring areas are deformed by lateral tensile stresses. This means that the desired local differences in hardness cannot be set.
Die Aufgabe der Erfindung besteht darin, daß ein Polsterkissen gefunden wird, das eine körpergerechte und beanspruchungsgerecht optimale Eindrückhärte-Charakteristik aufweist.The object of the invention is that an upholstery cushion is found which has an indentation characteristic which is optimal for the body and for the stress.
Dies wird erfindungsgemäß dadurch erreicht, daß
- a) die Erhebungen mit dem eigentlichen Kissen aus einem Stück bestehen und
- b) Gruppen von Erhebungen unterschiedlicher Geometrie vorhanden sind.
- a) the surveys with the actual pillow consist of one piece and
- b) there are groups of surveys of different geometries.
Dadurch wird erreicht, daß die Erhebungen gleichzeitig mit dem Polsterkissen beim Formschäumvorgang angeschäumt werden können und daß beispielsweise bei Sitzflächen im Bereich des Gesäßes Erhebungen anderer Geometrie vorgesehen werden können als im Bereich der weniger belastenden Oberschenkel. Die Erhebungen können, wie oben angegeben, die unterschiedlichsten Gestaltungen aufweisen. Von besonderem-Einflüß sind auch Größe und Höhe.It is thereby achieved that the elevations can be foamed at the same time as the cushion cushion during the molded foaming process and that, for example, elevations of a different geometry can be provided in the area of the buttocks in the area of the buttocks than in the area of the less stressful thighs. As stated above, the elevations can have a wide variety of configurations. Size and height are also of particular influence.
Zur Herstellung des formverschäumten Polsterkissens verwendet man ein Reaktionssystem, das beispielsweise Polyurethanschaumstoff hoher Eindrückhärte bildet. Die weicher einzustellenden Bereiche des Polsterkissens erhält man durch die entsprechende Dimensionierung der Noppen. Es lassen sich auf diese Weise Polsterkissen mit zunehmend unterschiedlicher Härte herstellen, bei denen der Übergang von einem Härtegrad zum anderen nahezu stufenlos eingestellt werden kann.A reaction system which, for example, forms polyurethane foam with high indentation hardness is used to produce the foam-molded cushion. The areas of the cushion that can be adjusted to be softer are obtained by dimensioning the knobs accordingly. In this way, cushion cushions with increasingly different hardness can be produced, in which the transition from one degree of hardness to the other can be adjusted almost continuously.
Weitere Vorteile des erfindungsgemäßen Polsterkissens sind darin zu sehen, daß man die Erhebungen nach Anbringen des Bezuges nicht mehr sieht und daß auch im belasteten Zustand infolge der zwischen den Erhebungen vorhandenen Freiräume eine erhebliche Verbesserung des klimatischen Sitzkomforts gegeben ist.Further advantages of the cushion according to the invention can be seen in the fact that the elevations can no longer be seen after the cover has been applied and that, even in the loaded state, the climatic seating comfort is considerably improved as a result of the free spaces between the elevations.
In einer Zeichnung ist das erfindungsgemäße Polsterkissen am Beispiel eines Automobilsitzes dargestellt und nachstehend näher erläutert. Es zeigen:
- Fig. 1 das Kissen in der Draufsicht und
- Fig. 2 das Kissen im Schnitt gemäß Linie A-B in Fig. 1.
- Fig. 1 the pillow in plan view and
- 2 shows the pillow in section along line AB in FIG. 1st
Das Polsterkissen-1 weist Seitenverstärkungen 2 auf, zwischen denen sich die eigentliche Sitzfläche 3 erstreckt. Diese Sitzfläche 3 ist mit drei Gruppen 4, 5, 6 von zylinderstumpfartigen Erhebungen 7 unterschiedlicher Größe und Höhe bedeckt.The cushion cushion 1 has
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792924662 DE2924662A1 (en) | 1979-06-19 | 1979-06-19 | SHAPED FOAM UPHOLSTERY PILLOW |
DE2924662 | 1979-06-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0021191A2 true EP0021191A2 (en) | 1981-01-07 |
EP0021191A3 EP0021191A3 (en) | 1981-02-11 |
EP0021191B1 EP0021191B1 (en) | 1982-04-28 |
Family
ID=6073565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP80103158A Expired EP0021191B1 (en) | 1979-06-19 | 1980-06-06 | Cushion of synthetic material |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0021191B1 (en) |
JP (1) | JPS564570A (en) |
AU (1) | AU532480B2 (en) |
BR (1) | BR8003787A (en) |
CA (1) | CA1139024A (en) |
DE (2) | DE2924662A1 (en) |
ES (1) | ES251483Y (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281694A1 (en) * | 1987-03-11 | 1988-09-14 | Magerik Ltd | A seat |
GB2224434A (en) * | 1988-10-31 | 1990-05-09 | Kwei Chun Shek | Human body support apparatus |
DE4434396A1 (en) * | 1994-09-27 | 1996-03-28 | Silja Praski | Back massager and scratching device |
US5997077A (en) * | 1997-08-23 | 1999-12-07 | Volkswagen Ag | Deformable structure for protection of vehicle occupants |
US7059682B2 (en) | 2000-07-03 | 2006-06-13 | Herman Miller, Inc. | Seating structure having flexible seating surface |
GB2441418A (en) * | 2006-08-30 | 2008-03-05 | Lear Corp | Vehicle seat cushion with holes to make regions of the cushion softer than others |
US7661764B2 (en) | 2006-08-30 | 2010-02-16 | Lear Corporation | Vehicle seat assembly having a hardness gradient via “A” surface intrusions and/or protrusions |
US7934774B2 (en) | 2006-03-31 | 2011-05-03 | Lear Corporation | Vehicle seat assembly having a hardness gradient |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2523149B2 (en) * | 1986-05-26 | 1996-08-07 | グレコリー、ピーター、ジョージ、ゴードン | Chair material |
ZA891755B (en) * | 1988-06-30 | 1989-11-29 | Johanna Groenewald Petronella | Mattress |
US6336681B1 (en) | 1998-05-18 | 2002-01-08 | Robert Andrew Crosbie | Chair and seat cushion therefor |
PL1871197T3 (en) | 2005-03-30 | 2022-08-22 | Woodbridge Foam Corporation | Foam seat element, mold for the production thereof and method to manufacture the mold |
US8425887B2 (en) | 2006-09-29 | 2013-04-23 | Genzyme Corporation | Amide dendrimer compositions |
JP5242088B2 (en) * | 2007-06-27 | 2013-07-24 | 株式会社イノアックコーポレーション | Automotive seat cushion |
DE102009057072B4 (en) * | 2009-12-04 | 2016-08-11 | Grammer Aktiengesellschaft | Pad with ventilation for a vehicle seat |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB847131A (en) * | 1957-08-02 | 1960-09-07 | Hallam Sleigh & Cheston Ltd | Improvements in seats |
FR2131448A5 (en) * | 1971-03-31 | 1972-11-10 | Dupol Rubbermald Gmbh | |
US4064578A (en) * | 1975-06-15 | 1977-12-27 | Junji Yamada | Therapeutic cushion |
DE2837630A1 (en) * | 1978-08-29 | 1980-03-06 | Biedermann Gmbh & Co Kg F | Working chair with seat and backrest of polyurethane - having closed-pore surface with domed studs and perforations |
-
1979
- 1979-06-19 DE DE19792924662 patent/DE2924662A1/en not_active Withdrawn
-
1980
- 1980-06-06 DE DE8080103158T patent/DE3060337D1/en not_active Expired
- 1980-06-06 EP EP80103158A patent/EP0021191B1/en not_active Expired
- 1980-06-12 CA CA000353856A patent/CA1139024A/en not_active Expired
- 1980-06-17 JP JP8098880A patent/JPS564570A/en active Pending
- 1980-06-18 AU AU59390/80A patent/AU532480B2/en not_active Ceased
- 1980-06-18 BR BR8003787A patent/BR8003787A/en unknown
- 1980-06-18 ES ES1980251483U patent/ES251483Y/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB847131A (en) * | 1957-08-02 | 1960-09-07 | Hallam Sleigh & Cheston Ltd | Improvements in seats |
FR2131448A5 (en) * | 1971-03-31 | 1972-11-10 | Dupol Rubbermald Gmbh | |
US4064578A (en) * | 1975-06-15 | 1977-12-27 | Junji Yamada | Therapeutic cushion |
DE2837630A1 (en) * | 1978-08-29 | 1980-03-06 | Biedermann Gmbh & Co Kg F | Working chair with seat and backrest of polyurethane - having closed-pore surface with domed studs and perforations |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281694A1 (en) * | 1987-03-11 | 1988-09-14 | Magerik Ltd | A seat |
GB2224434A (en) * | 1988-10-31 | 1990-05-09 | Kwei Chun Shek | Human body support apparatus |
GB2224434B (en) * | 1988-10-31 | 1993-06-23 | Kwei Chun Shek | A method of and apparatus for supporting the human body |
DE4434396A1 (en) * | 1994-09-27 | 1996-03-28 | Silja Praski | Back massager and scratching device |
US5997077A (en) * | 1997-08-23 | 1999-12-07 | Volkswagen Ag | Deformable structure for protection of vehicle occupants |
US7059682B2 (en) | 2000-07-03 | 2006-06-13 | Herman Miller, Inc. | Seating structure having flexible seating surface |
US7794022B2 (en) | 2000-07-03 | 2010-09-14 | Herman Miller, Inc. | Body support structure having a molded elastomeric member |
US7934774B2 (en) | 2006-03-31 | 2011-05-03 | Lear Corporation | Vehicle seat assembly having a hardness gradient |
GB2441418A (en) * | 2006-08-30 | 2008-03-05 | Lear Corp | Vehicle seat cushion with holes to make regions of the cushion softer than others |
US7661764B2 (en) | 2006-08-30 | 2010-02-16 | Lear Corporation | Vehicle seat assembly having a hardness gradient via “A” surface intrusions and/or protrusions |
US9038252B2 (en) | 2006-08-30 | 2015-05-26 | Lear Corporation | Vehicle seat assembly having a hardness gradient via surface intrusions and/or protrusions |
US9421895B2 (en) | 2006-08-30 | 2016-08-23 | Lear Corporation | Vehicle seat assembly having a hardness gradient via “A” surface intrusions and/or protrusions |
Also Published As
Publication number | Publication date |
---|---|
ES251483U (en) | 1980-10-01 |
EP0021191A3 (en) | 1981-02-11 |
JPS564570A (en) | 1981-01-17 |
DE3060337D1 (en) | 1982-06-09 |
AU532480B2 (en) | 1983-09-29 |
ES251483Y (en) | 1981-03-16 |
EP0021191B1 (en) | 1982-04-28 |
CA1139024A (en) | 1983-01-04 |
AU5939080A (en) | 1981-01-08 |
BR8003787A (en) | 1981-01-13 |
DE2924662A1 (en) | 1981-01-15 |
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