EP0965294A1 - A slatted base and a slat for use therein - Google Patents
A slatted base and a slat for use therein Download PDFInfo
- Publication number
- EP0965294A1 EP0965294A1 EP98201998A EP98201998A EP0965294A1 EP 0965294 A1 EP0965294 A1 EP 0965294A1 EP 98201998 A EP98201998 A EP 98201998A EP 98201998 A EP98201998 A EP 98201998A EP 0965294 A1 EP0965294 A1 EP 0965294A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slat
- top portion
- slats
- curved portions
- supporting surface
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
- A47C23/062—Slat supports
- A47C23/063—Slat supports by elastic means, e.g. coil springs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
- A47C23/061—Slat structures
Definitions
- the present invention relates to a slatted base for a bed, a seat or other seating or lying furniture comprising a frame and slats mounted thereon, the slats comprising a top portion forming a supporting surface of the slatted base, and at least one of the slats being extended, at both extremities of the supporting surface forming top portion, by a portion curved over an angle of at least 90°.
- the invention also relates to a slat for use in such a slatted base
- slatted bases In practice, there is always looked for new types of slatted bases.
- One of the important properties of slatted bases is the resiliency thereof which is determining for the comfort properties.
- different supporting elements for fixing the slats to the frame of the slatted base have already been proposed.
- the resilient properties of the slats themselves are, however, only determined by the material, thickness, and cross-section of the slats.
- DE-A-196 32 960 discloses for example slats for a slatted base, in particular for a bed, which are extended at their extremities with an integral curved, more particular U-shaped portion.
- These known slats are made from an elastic synthetic material. They are not supported by separate resilient supporting elements but the curved portions are directly attached to the frame. These curved portions have such a reduced thickness, compared to the thickness of the top portions of the slats, and are so flexible that they are compressed resiliently when a weight is resting on the slats.
- the curved portions of the slats disclosed in DE-A-196 32 960 act like the usual resilient supporting elements and do not influence the resilient properties of the top portions of the slats.
- the resilient supporting elements form an integral portion of the slats
- the resilient properties of the supporting surface forming top portions of the slats are still only determined by the material, thickness, and cross-section of these portions.
- An object of the present invention is to provide a new type of slat which enables to achieve substantially higher resilient properties, especially dynamic spring properties, for the supporting surface forming top portions compared to the conventional slats, in particular slats of a wood laminate.
- the slatted base according to the invention is characterised in that the ends of the curved portions, opposite the supporting surface forming top portion of the slat, are irrotatably connected to one another and the curved portions themselves have a limited flexibility to exert tensile forces onto the top portion of the slat upon depression of this top portion.
- the ends of the curved portion of the slat are connected to one another by an integral bottom portion of the slat, the supporting surface forming top portion, the two curved portions and the bottom portion of the slat forming a closed loop.
- Such a slat is easy to be made either from a synthetic material or especially also from a wood laminate and can be fixed in the same way as the conventional wooden slats, more particularly through the intermediary of resilient supporting elements, to the frame of the slatted base.
- the slatted base shown in Figure 1 comprises a frame 1 and slats 2 mounted thereon.
- the shape of the illustrated base is rectangular and is especially designed for a bed, i.e. for supporting a mattress, but all kinds of other shapes are possible, in particular for other applications such as seating furniture. These shapes are however not an essential feature of the invention and will thus not further be described.
- the material the slats are made of is also not an essential feature of the invention.
- the slats from a synthetic material, in particular from a glass, carbon or other type of fibre reinforced synthetic material.
- the slats 2 comprise first of all a top portion 3 forming a supporting surface of the slatted base, similar to the conventional slats made of a wood laminate.
- An essential difference with these conventional slats is however that, at both extremities of the top portion 3, they are extended by a portion 4 curved over an angle of at least 90°.
- the portions 4 of the slat 2 are for example curved over an angle of 180°.
- the free ends of the curved portions 4 are irrotatably fixed to one another, in particular by means of a cross-bar or lath 5 screwed or otherwise fixed, for example glued, to the free ends of the curved portions 4.
- An essential feature of the slats according to the invention is further that the curved portions 4 have only a limited flexibility.
- the curved portions 4 are more particularly so rigid or inflexible that considerable tensile forces are exerted by these curved portions 4 on the top portion 3 when this top portion 3 is depressed according to arrow 6.
- the top portion 3 of the slat 2 may be much more flexible or thinner than conventional wooden slats. In this way, the top portion 3 can be depressed over a larger distance resulting thus in larger dynamic spring properties.
- the slat 2 is, however, just like the conventional wooden slats, still substantially incompressible due to the limited flexibility of the curved portions 4.
- the slats 2 can be mounted onto the frame 1 in the usual way through the intermediary of resilient supporting elements 9.
- the required limited flexibility of the curved portions can be achieved by means of a synthetic material suitably reinforced by means of fibres or by thickened portions. According to the invention it has further been found that the required rigidity of the curved portions can also easily be obtained by means of a wood laminate. It has more particularly been found that the curved portions and the top portions and the top portions of the slats can be made of the same wood laminate so that the slats may have in particular a uniform thickness thus simplifying the production thereof
- the ends of the slat shown in Figure 2 are curved over 180°. According to the invention, these ends should be curved over an angle of at least 90°. Preferably, this angle is however larger, especially larger than 120°, in order to increase the dynamic spring properties of the slat to a larger extend.
- the angle over which the ends of the slat 2 are curved could comprise for example 270°. In that case, these ends could be attached to the end faces of the cross-bars or laths 5.
- the slats 2 do not have any free ends but the ends of both curved portions 4 are irrotatably connected to one another by means of a further extension of the slat, more particularly by an integral bottom portion 7, which extends opposite the top position 3, between the two curved portions 4. In this way, the slat 2 forms an integral closed loop.
- FIG. 3 A preferred embodiment of a closed loop slat 2 is shown in Figure 3.
- the curved portions 4 are curved over an angle of about 270° so that these curved portions 4 considerably increase the spring properties of the slat 2.
- the bottom portion 7 of the slat 2 diverges again from the top portion 3 so that the movement of the top portion is not hampered by the bottom portion when being depressed.
- upwardly bulged portions 8 are thus formed in the bottom portion of the slat. In the recesses formed by these bulged portions 8, the slat 2 is fixed through the intermediary of the resilient supporting elements 9 on top of the frame 1.
- An advantage of the bulged portions 8 is that the curved portions 4 are curved over a greater angle so that a larger amount of potential energy can be stored therein when depressing the slat and that the top surface of the slat extends at a lower level above the frame 1 of the slatted base.
- bottom portion 7 of the slat 2 forms an additional, smaller upwardly bulged portion 10 which is intended to give an extra support to the top portion of the slat when this top portion is depressed under a too large, in particular a too localised load.
- the embodiment shown in Figure 4 differs from the embodiment of Figure 3 in that it comprises no bulged portion so that the top portion can be depressed only over a shorter distance. Moreover, the angle over which the curved portions are curved is somewhat smaller and comprises about 225°.
- this angle comprises about 180° and the top portion extends at a relatively high level above the frame 1.
- the top level of the slats they could possibly be supported by the supporting elements 9 underneath the top instead of the bottom portion.
- this is also possible in the embodiments of the previous figures.
- the inner curvature radius is preferably comprised between 3 and 10 cm and most preferably between 4 and 7 cm, depending on the desired spring properties and on the properties, in particular the flexibility, of the material of the slat.
- the curvature radius should especially be sufficiently large in order to enable the curved portions to give the desired additional dynamic spring properties to the slats but should on the other hand be sufficiently small to be able to exert the required tensile forces to the top portions of the slats.
- the slats 2 have always a somewhat convex upper surface. Such a shape is preferred according to the invention in view of the following effect obtained in combination with the curved portions.
- the length of the top portions 3 When the slats 2 are depressed, the length of the top portions 3 will initially increase so that the curved portions 4 will be urged outwards and a tension will be created therein.
- the length of the top portions 3 Upon further depressing the slats 1, the length of the top portions 3 will decrease again as they bend through and the tension or potential energy stored initially in the curved portions will be released so that the force required for depressing the slats is reduced. In other words, the slats are apparently softer in this phase due to this effect.
- the curved portions take in their initial rest position and, upon further depression of the slat, are drawn towards one another.
- a tension is built up again in the curved portions and increasing tensile forces are exerted into the top portion 3 providing an additional, progressive resistance against depression of this portion 3.
- the top portion 3 of the slat is allowed to rise again, the potential energy stored in the previous phase in the curved portions is released again thus contributing to the dynamic spring properties of the slat.
Abstract
Description
- The present invention relates to a slatted base for a bed, a seat or other seating or lying furniture comprising a frame and slats mounted thereon, the slats comprising a top portion forming a supporting surface of the slatted base, and at least one of the slats being extended, at both extremities of the supporting surface forming top portion, by a portion curved over an angle of at least 90°. The invention also relates to a slat for use in such a slatted base
- In practice, there is always looked for new types of slatted bases. One of the important properties of slatted bases is the resiliency thereof which is determining for the comfort properties. In order to improve the resiliency, different supporting elements for fixing the slats to the frame of the slatted base have already been proposed. The resilient properties of the slats themselves are, however, only determined by the material, thickness, and cross-section of the slats.
- DE-A-196 32 960 discloses for example slats for a slatted base, in particular for a bed, which are extended at their extremities with an integral curved, more particular U-shaped portion. These known slats are made from an elastic synthetic material. They are not supported by separate resilient supporting elements but the curved portions are directly attached to the frame. These curved portions have such a reduced thickness, compared to the thickness of the top portions of the slats, and are so flexible that they are compressed resiliently when a weight is resting on the slats. In other words, the curved portions of the slats disclosed in DE-A-196 32 960 act like the usual resilient supporting elements and do not influence the resilient properties of the top portions of the slats. In other words, notwithstanding the fact that the resilient supporting elements form an integral portion of the slats, the resilient properties of the supporting surface forming top portions of the slats are still only determined by the material, thickness, and cross-section of these portions.
- An object of the present invention is to provide a new type of slat which enables to achieve substantially higher resilient properties, especially dynamic spring properties, for the supporting surface forming top portions compared to the conventional slats, in particular slats of a wood laminate.
- To this end, the slatted base according to the invention is characterised in that the ends of the curved portions, opposite the supporting surface forming top portion of the slat, are irrotatably connected to one another and the curved portions themselves have a limited flexibility to exert tensile forces onto the top portion of the slat upon depression of this top portion.
- Due to the limited flexibility of the curved portions of the slats, and due to the fact that the ends thereof are prevented from rotating, a high tensile force is exerted by the curved portions on the top portion of the slat when this slat is loaded and bends through downwards. As a result of the tensional stresses thus created in the slat, a thinner and hence more flexible slat can be used for supporting a same weight. It has been found that the thickness of the slat can be reduced to such an extend that it will be depressed over a larger distance when loaded with a same weight and will enable in other words larger dynamic spring properties. Without the considerable tensile forces exerted by the curved portions on the top portion of the slat, a slat of such a reduced thickness would not be able to support the usual weights which are to be supported thereby.
- In an advantageous embodiment of the slatted base or the slats according to the invention, the ends of the curved portion of the slat are connected to one another by an integral bottom portion of the slat, the supporting surface forming top portion, the two curved portions and the bottom portion of the slat forming a closed loop.
- Such a slat is easy to be made either from a synthetic material or especially also from a wood laminate and can be fixed in the same way as the conventional wooden slats, more particularly through the intermediary of resilient supporting elements, to the frame of the slatted base.
- Other particularities and advantages of the invention will become apparent from the following description of some particular embodiments of the slatted base and slats according to the present invention. This description is only given by way of illustrative example and is not intended to limit the scope of protection. The reference numerals relate to the annexed drawings wherein:
- Figure 1 shows schematically a top plan view of a slatted base according to the invention.
- Figure 2 shows a schematic cross-section according to line II-II of the slatted base shown in Figure 1; and
- Figures 3 and 4 show schematic cross-sections corresponding to the cross-section shown in Figure 2 but relating to variant embodiments.
-
- The slatted base shown in Figure 1 comprises a
frame 1 andslats 2 mounted thereon. The shape of the illustrated base is rectangular and is especially designed for a bed, i.e. for supporting a mattress, but all kinds of other shapes are possible, in particular for other applications such as seating furniture. These shapes are however not an essential feature of the invention and will thus not further be described. - Although preference is given to slats made of a wood laminate comprising several, for example 7, wood layers which are glued together, the material the slats are made of is also not an essential feature of the invention. In practice, it is for example possible to make the slats from a synthetic material, in particular from a glass, carbon or other type of fibre reinforced synthetic material. According to the lateral views of Figures 2 to 5, the
slats 2 comprise first of all atop portion 3 forming a supporting surface of the slatted base, similar to the conventional slats made of a wood laminate. An essential difference with these conventional slats is however that, at both extremities of thetop portion 3, they are extended by aportion 4 curved over an angle of at least 90°. - In Figure 2, the
portions 4 of theslat 2 are for example curved over an angle of 180°. The free ends of thecurved portions 4 are irrotatably fixed to one another, in particular by means of a cross-bar orlath 5 screwed or otherwise fixed, for example glued, to the free ends of thecurved portions 4. An essential feature of the slats according to the invention is further that thecurved portions 4 have only a limited flexibility. Thecurved portions 4 are more particularly so rigid or inflexible that considerable tensile forces are exerted by thesecurved portions 4 on thetop portion 3 when thistop portion 3 is depressed according toarrow 6. As a result of these tensile forces, thetop portion 3 of theslat 2 may be much more flexible or thinner than conventional wooden slats. In this way, thetop portion 3 can be depressed over a larger distance resulting thus in larger dynamic spring properties. At both extremities of the top portion, theslat 2 is, however, just like the conventional wooden slats, still substantially incompressible due to the limited flexibility of thecurved portions 4. In order to achieve also a sufficient resiliency of the slatted base in the area of the curved portions, theslats 2 can be mounted onto theframe 1 in the usual way through the intermediary of resilient supportingelements 9. - The required limited flexibility of the curved portions can be achieved by means of a synthetic material suitably reinforced by means of fibres or by thickened portions. According to the invention it has further been found that the required rigidity of the curved portions can also easily be obtained by means of a wood laminate. It has more particularly been found that the curved portions and the top portions and the top portions of the slats can be made of the same wood laminate so that the slats may have in particular a uniform thickness thus simplifying the production thereof
- As mentioned hereinabove, the ends of the slat shown in Figure 2, are curved over 180°. According to the invention, these ends should be curved over an angle of at least 90°. Preferably, this angle is however larger, especially larger than 120°, in order to increase the dynamic spring properties of the slat to a larger extend. Instead of an angle of 180°, the angle over which the ends of the
slat 2 are curved, could comprise for example 270°. In that case, these ends could be attached to the end faces of the cross-bars orlaths 5. - In an advantageous embodiment of the invention, the
slats 2 do not have any free ends but the ends of bothcurved portions 4 are irrotatably connected to one another by means of a further extension of the slat, more particularly by anintegral bottom portion 7, which extends opposite thetop position 3, between the twocurved portions 4. In this way, theslat 2 forms an integral closed loop. - A preferred embodiment of a closed
loop slat 2 is shown in Figure 3. In this embodiment, thecurved portions 4 are curved over an angle of about 270° so that thesecurved portions 4 considerably increase the spring properties of theslat 2. After thecurved portions 4, thebottom portion 7 of theslat 2 diverges again from thetop portion 3 so that the movement of the top portion is not hampered by the bottom portion when being depressed. As shown in Figure 3, upwardly bulgedportions 8 are thus formed in the bottom portion of the slat. In the recesses formed by these bulgedportions 8, theslat 2 is fixed through the intermediary of the resilient supportingelements 9 on top of theframe 1. An advantage of the bulgedportions 8 is that thecurved portions 4 are curved over a greater angle so that a larger amount of potential energy can be stored therein when depressing the slat and that the top surface of the slat extends at a lower level above theframe 1 of the slatted base. - In Figure 3, it can further be noticed that the
bottom portion 7 of theslat 2 forms an additional, smaller upwardly bulgedportion 10 which is intended to give an extra support to the top portion of the slat when this top portion is depressed under a too large, in particular a too localised load. - The embodiment shown in Figure 4 differs from the embodiment of Figure 3 in that it comprises no bulged portion so that the top portion can be depressed only over a shorter distance. Moreover, the angle over which the curved portions are curved is somewhat smaller and comprises about 225°.
- In the embodiment of Figure 5 this angle comprises about 180° and the top portion extends at a relatively high level above the
frame 1. In order to lower the top level of the slats, they could possibly be supported by the supportingelements 9 underneath the top instead of the bottom portion. Of course, this is also possible in the embodiments of the previous figures. - According to the invention, it has been found that not only the angle over which the curved portions of the slats are curved is an important feature but also the curvature radius of these curved portions. It has more particularly been found that the inner curvature radius is preferably comprised between 3 and 10 cm and most preferably between 4 and 7 cm, depending on the desired spring properties and on the properties, in particular the flexibility, of the material of the slat. The curvature radius should especially be sufficiently large in order to enable the curved portions to give the desired additional dynamic spring properties to the slats but should on the other hand be sufficiently small to be able to exert the required tensile forces to the top portions of the slats.
- As to these top portions, it should be noted that in all the shown embodiments, the
slats 2 have always a somewhat convex upper surface. Such a shape is preferred according to the invention in view of the following effect obtained in combination with the curved portions. When theslats 2 are depressed, the length of thetop portions 3 will initially increase so that thecurved portions 4 will be urged outwards and a tension will be created therein. Upon further depressing theslats 1, the length of thetop portions 3 will decrease again as they bend through and the tension or potential energy stored initially in the curved portions will be released so that the force required for depressing the slats is reduced. In other words, the slats are apparently softer in this phase due to this effect. - Subsequently, the curved portions take in their initial rest position and, upon further depression of the slat, are drawn towards one another. In the phase, a tension is built up again in the curved portions and increasing tensile forces are exerted into the
top portion 3 providing an additional, progressive resistance against depression of thisportion 3. When thetop portion 3 of the slat is allowed to rise again, the potential energy stored in the previous phase in the curved portions is released again thus contributing to the dynamic spring properties of the slat. - From the above, it will be clear that, compared to the conventional slats of wood laminate, special spring properties are obtained with the salts according to the invention.
- Further, it will be clear that the invention is not limited to the above described embodiments but that many modifications can still be applied thereto without leaving the scope of the present invention as defined in the appended claims.
Claims (13)
- A slatted base comprising a frame (1) and slats (2) mounted thereon, the slats (2) comprising a top portion (3) forming a supporting surface of the slatted base, and at least one of the slats (2) being extended, at both extremities of the supporting surface forming top portion (3), by a portion (4) curved over an angle of at least 90°, characterized in that the ends of the curved portions, opposite the supporting surface forming top portion (3) of the slat, are irrotatably connected to one another and the curved portions (4) themselves have a limited flexibility to exert tensile forces onto the top portion (3) of the slat (2) upon depression of this top portion (3).
- A slatted base according to claim 1, characterized in that said curved portions (4) are curved over an angle of at least 120° and preferably over an angle equal to or greater than 180°.
- A slatted base according to claim 1 or 2, characterized in that said ends of the curved portion (4) of the slat (2) are connected to one another by an integral bottom portion (7) of the slat, the supporting surface forming top portion (3), the two curved portions (4) and the bottom portion (7) of the slat (2) forming a closed loop.
- A slatted base according to claim 3, characterized in that said bottom portion (7) of the slat (2) shows, at both ends thereof, a portion (8) bulged towards the supporting surface forming top portion (3) of the slat (2), the slat being supported by said frame (1) in these bulged portions (8).
- A slatted base according to any one of the claims 1 to 4, characterized in that said curved portions (4) are substantially incompressible in a direction perpendicular to said supporting surface.
- A slatted base according to any one of the claims 1 to 5, characterized in that the slats (2) are mounted on said frame (1) through the intermediary of resilient supporting elements (9).
- A slatted base according to any one of the claims 1 to 6, characterized in that the curved portions (4) show an inner curvature radius of between 3 and 10 cm, preferably of between 4 and 7 cm.
- A slat for use in a slatted base according to any one of the claims 1 to 7, the slat (2) comprising a top portion (3) forming a supporting surface of the slatted base, and being extended, at both extremities of the supporting surface forming top portion (3), by a portion (4) curved over an angle of at least 90°, preferably over an angle of at least 120° and most preferably over an angle of at least 180°, characterized in that the ends of the curved portions, opposite the supporting surface forming top portion (3) of the slat, are irrotatably connected to one another and the curved portions (4) themselves have a limited flexibility to exert tensile forces onto the top portion (3) of the slat (2) upon depression of this top portion (3)..
- A slat according to claim 7 or 8, characterized in that the curved portions (4) show an inner curvature radius of between 3 and 10 cm, preferably of between 4 and 7 cm.
- A slat according to any one of the claims 7 to 9, characterized in that said ends of the curved portion (4) of the slat (2) are connected to one another by an integral bottom portion (7) of the slat, the supporting surface forming top portion (3), the two curved portions (4) and the bottom portion (7) of the slat (2) forming a closed loop.
- A slat according to any one of the claims 7 to 10, characterized in that it has a substantially uniform thickness.
- A slat according to any one of the claims 7 to 11, characterized in that said curved portions (4) are substantially incompressible in a direction perpendicular to said supporting surface.
- A slat according to any one of the claims 7 to 12, characterized in that said slat (2) is made of a wood laminate.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98201998A EP0965294B1 (en) | 1998-06-08 | 1998-06-08 | A slatted base and a slat for use therein |
AT98201998T ATE230578T1 (en) | 1998-06-08 | 1998-06-08 | Slatted frame and slats for it |
DE69810596T DE69810596D1 (en) | 1998-06-08 | 1998-06-08 | Slatted frame and slats for it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98201998A EP0965294B1 (en) | 1998-06-08 | 1998-06-08 | A slatted base and a slat for use therein |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0965294A1 true EP0965294A1 (en) | 1999-12-22 |
EP0965294B1 EP0965294B1 (en) | 2003-01-08 |
Family
ID=8233813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98201998A Expired - Lifetime EP0965294B1 (en) | 1998-06-08 | 1998-06-08 | A slatted base and a slat for use therein |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0965294B1 (en) |
AT (1) | ATE230578T1 (en) |
DE (1) | DE69810596D1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR370517A (en) * | 1906-06-30 | 1907-02-11 | Elie Dieudonne Henri Lambotte | Bed base with convex support surface, elastic in the transverse direction only, for beds of all types |
CH268125A (en) * | 1944-08-29 | 1950-05-15 | Leslie Epstein Isaac | Upholstery with spring set. |
FR1092256A (en) * | 1950-03-18 | 1955-04-20 | Kommanditbolaget Irving & Fris | Soft interior upholstery for beds and upholstered furniture |
FR1253004A (en) * | 1960-02-17 | 1961-02-03 | Hasenfratz Geb | Daybed |
FR1569242A (en) * | 1967-07-04 | 1969-05-30 | ||
DE19632960A1 (en) | 1996-08-16 | 1998-02-19 | Rummel Matratzen Gmbh & Co | Elastic plastic strip, especially for slatted frames of reclining furniture |
-
1998
- 1998-06-08 DE DE69810596T patent/DE69810596D1/en not_active Expired - Lifetime
- 1998-06-08 AT AT98201998T patent/ATE230578T1/en not_active IP Right Cessation
- 1998-06-08 EP EP98201998A patent/EP0965294B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR370517A (en) * | 1906-06-30 | 1907-02-11 | Elie Dieudonne Henri Lambotte | Bed base with convex support surface, elastic in the transverse direction only, for beds of all types |
CH268125A (en) * | 1944-08-29 | 1950-05-15 | Leslie Epstein Isaac | Upholstery with spring set. |
FR1092256A (en) * | 1950-03-18 | 1955-04-20 | Kommanditbolaget Irving & Fris | Soft interior upholstery for beds and upholstered furniture |
FR1253004A (en) * | 1960-02-17 | 1961-02-03 | Hasenfratz Geb | Daybed |
FR1569242A (en) * | 1967-07-04 | 1969-05-30 | ||
DE19632960A1 (en) | 1996-08-16 | 1998-02-19 | Rummel Matratzen Gmbh & Co | Elastic plastic strip, especially for slatted frames of reclining furniture |
Also Published As
Publication number | Publication date |
---|---|
DE69810596D1 (en) | 2003-02-13 |
ATE230578T1 (en) | 2003-01-15 |
EP0965294B1 (en) | 2003-01-08 |
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