EP3248511A1 - Verbesserter matratzenkern und matratze mit besagtem kern - Google Patents

Verbesserter matratzenkern und matratze mit besagtem kern Download PDF

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Publication number
EP3248511A1
EP3248511A1 EP17382292.5A EP17382292A EP3248511A1 EP 3248511 A1 EP3248511 A1 EP 3248511A1 EP 17382292 A EP17382292 A EP 17382292A EP 3248511 A1 EP3248511 A1 EP 3248511A1
Authority
EP
European Patent Office
Prior art keywords
profiles
core according
core
aforementioned
mattress
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
Application number
EP17382292.5A
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English (en)
French (fr)
Other versions
EP3248511B1 (de
Inventor
Alfonso Solans Solans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pikolin SA
Original Assignee
Pikolin SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES201630665A external-priority patent/ES2589979B1/es
Priority claimed from ES201700335A external-priority patent/ES2615391B8/es
Application filed by Pikolin SA filed Critical Pikolin SA
Publication of EP3248511A1 publication Critical patent/EP3248511A1/de
Application granted granted Critical
Publication of EP3248511B1 publication Critical patent/EP3248511B1/de
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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
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/065—Spring inlays of special shape

Definitions

  • the present invention relates to a novel technology applied to the core of a mattress and to mattresses comprising said core.
  • mattress core means the inner part of the mattress, which acts as a support giving the mattress as a whole its characteristic firmness. One or more layers are added on top of the core, providing different levels of comfort.
  • the core is therefore the main component of the mattress.
  • Five types of mattress are currently known, based on the different types of core: sprung mattresses, foam mattresses, latex mattresses, air mattresses and water mattresses.
  • the core In the case of sprung mattresses, the core consists of a series of helical springs joined together.
  • the core In the case of foam and latex mattresses, the core consists of a piece of the aforementioned material, whilst in the case of air and water mattresses the core is a pocket containing the fluid in question (air or water).
  • An object of the present invention is therefore to disclose a novel technology for mattress cores, offering the possibility of recyclability once their life cycle is ended, as well as zoning and adjustment of comfort.
  • the present invention allows a mattress to be designed having customisable firmness according to the needs and wishes of the end user.
  • the present invention comprises a mattress core that, in a novel manner, comprises a plurality of profiles of constant cross-section, made of resilient materials.
  • the profiles are hollow and define a chamber for air and/or another gas. More preferably, the profiles are joined together.
  • the present invention distinguishes itself from the structures traditionally used as a base for constructing the mattress support. Consequently, the present invention proposes the use of materials having resilient properties, preferably plastics, in the form of parts, in particular profiles, that can be produced by an extrusion process.
  • An additionally innovative concept of the present invention lies in the use of hollow pieces of a flexible plastics material for producing a mattress core.
  • the present invention is based on the use of profiles of constant cross-section that have a resilient element allowing the distance between the bases to be changed.
  • the variation in distance between bases makes it possible to take advantage of the inflow and outflow of air from a chamber, to regulate the response of the mattress.
  • the profiles comprise a lower base and an upper base.
  • the upper base receives the weight of the user, and the lower one acts as a support, with at least one wall joining them.
  • said wall has a resilient element of variable length, such that the variation in the length of the resilient element changes the distance between the aforementioned upper and lower bases.
  • the resilient element can, for example, be a curved wall, or an accordion-shaped wall.
  • the present invention discloses the production by profile extrusion of a profile such that hollow channels are defined, housing within them a gas, advantageously air.
  • the main core of the mattress can be formed by a predetermined number of extruded profiles (varying in number depending on the size of the mattress) joined together by clipping or other fixing.
  • the present invention also provides for the profiles to be produced concurrently in the same extrusion process.
  • the present invention also discloses a mattress core comprising a plurality of profiles having a constant cross-section, in which mattress core the profiles are made from a resilient material, each profile comprising a lower base and an upper base and at least one wall joining said bases and defining a chamber filled with air or another gas and which mattress core comprises a resilient element of variable length, such that the variation in the length of the resilient element changes the distance between the aforementioned upper and lower bases.
  • the aforementioned resilient element comprises at least one wall connecting the aforementioned upper and lower bases and the extension of which wall between the two bases has a component that is not perpendicular to the bases.
  • said wall comprises a cylindrical wall, said cylindrical wall defining the aforementioned chamber.
  • each profile can also comprise sections of wall in addition to the cylindrical wall and joining the aforementioned upper and lower bases.
  • the aforementioned sections of wall can be sections that directly join the two upper and lower bases, or sections that join the cylindrical wall to the aforementioned upper and lower bases.
  • the profiles can be joined together, or separate, or grouped in blocks.
  • the profiles can be joined together by means of the aforementioned additional walls, the upper and/or lower bases not being joined between profiles.
  • At least one of the profiles is open to the outside via its ends, such that air can pass freely inside it and through its ends.
  • the present invention also allows at least one of the profiles to have caps at its ends.
  • the core according to the present invention can have a portion made exclusively from the aforementioned profiles.
  • the aforementioned profiles can be extruded profiles. This facilitates manufacture, resulting in resilient profiles of constant cross-section, sealed at their sides and open at their ends. Because of their structure, profiles of this type provide a hitherto unknown comfort response.
  • the profiles of the core according to the present invention can be arranged longitudinally or transversely relative to the main or greatest length of the mattress.
  • each profile is arranged along the aforementioned main length.
  • the transverse arrangement is perpendicular to this.
  • the block according to the present invention can be divided into completely isolated chambers, the longitudinal dimension of which is much greater than the transverse cross-section.
  • the present invention also has the advantage that the profiles joined together exert little influence on the perpendicular movement of the profiles. This has the consequence that each profile performs its function with little effect on the adjacent profiles. This makes it possible, especially in this configuration, to isolate the support of each of two sleepers lying on the same mattress, achieving what is known in the sector as bed independence.
  • the present invention provides two main aspects: a first one, in which the profiles are open at their ends. In this case, the comfort of the core is achieved by the resilient properties of the material from which the profile has been extruded.
  • a second aspect in which the ends of the profile have flow control means that are sealed so that the air is also used for providing comfort, since they form an airtight chamber.
  • the profiles can be connected together, in addition to sealing, by means of a valve system (including a pump) such that the air pressure is equalled out at all points and, where necessary, can even be controlled, achieving a core with configurable comfort.
  • a valve system including a pump
  • the air flow control means can comprise valves providing different degrees of resistance to the passage of the fluid entering and leaving the profile.
  • at least one of the ends can be connected to a pump in order to vary the pressure of a fluid in the gaseous state inside the profiles.
  • the profile can be sealed at its ends, preventing air from entering or leaving through the aforementioned ends, such that an airtight hollow chamber is defined within the profile and extends along the whole length thereof between ends.
  • the profiles are made of different materials having different resilient properties, such that they have different levels of firmness from each other.
  • the profiles have different thicknesses and/or geometry, such that they have different levels of firmness from each other.
  • the mattress core constructed in this way can have a totally different appearance from that which already exists in the market.
  • a core formed by extruded profiles made of resilient thermoplastic material is a fully recyclable core, since said materials can be reused afterwards.
  • the core comprises a first zone having the aforementioned profiles and a second zone having helical springs or foam or latex or an air or water mattress.
  • first zone and the second zone are configured as two superimposed layers.
  • the present invention also comprises mattresses having the core according to the present invention.
  • Figure 1 to 3 show an example of a portion of mattress core composed of a plurality of profiles -1- that can be used in the present invention.
  • the profile in the example can be produced by extruding a resilient plastics material, preferably thermoplastic material.
  • the profile -1- is a hollow profile having a substantially constant cross-section.
  • the profile -1- has two bases -11-, -12-, which can be referred to as the upper base -11- and the lower base -12-.
  • the bases are connected together by a tubular wall -501-, made of resilient material.
  • the tubular wall extends between bases, with one component being perpendicular to the bases and another, parallel component, which increases the elastic response. Furthermore, the tubular wall defines an inner space for air or gas.
  • the profiles -1- of the core sector shown comprise an upper base -11- and a lower base -12-. Both the upper base -11- and the lower base -12- are horizontal, the upper base -11- being the one that receives the load to be supported, the lower base -12- supporting the core.
  • the bases -11-, -12- of each profile -1- are not joined directly to the bases of the adjacent profiles, such that each upper base -11- can move vertically without affecting the adjacent base.
  • the bases -11-, -12- of each profile in the example are joined together by means of two side walls -13- and -14- and by means of a tubular wall -501- located between the two side walls -13-, -14-.
  • the side walls -13-, -14- are optional and can have variations in their design.
  • the side walls -13-, -14- are slightly bent so as to favour resilient behaviour, i.e., allow variation of the distance between the upper base -11- and the lower base -12-. This is due to there being sections of wall that are not strictly perpendicular to the bases, but oblique thereto.
  • the cylindrical wall is continuous and provides a resilient function and creates a chamber -502- intended to contain air or another gas. Given that it is the walls joining the bases that provide the elastic response, the variation in volume produced by moving the bases closer together or further apart can be used to regulate the firmness of the elastic response or to provide a cushioning component to the elastic response.
  • the air chamber (defined in this case by the tubular wall -501-) is left open at its ends, behaviour that is yielding and with hardly any cushioning is achieved. If its ends are capped, for example by caps -2-, a firm behaviour is obtained. If obstacles to the entry/exit of air are placed (for example by providing the cap -2- with a hole) (not shown in the figures), a cushioning behaviour is produced; by combining elements such as valves, it is possible to produce different compression and decompression behaviours (emptying/filling the chamber with air).
  • the pressure of the chambers can also be regulated by means of a pump.
  • the behaviour of the profile is, to a certain extent, similar to that of an air mattress, with the exception of having an additional resilient behaviour because the force exerted by the core is not exclusively a function of the pressure of the fluid.
  • the ends of the profile are open, there is only resilient behaviour, as is the case with sprung mattresses.
  • the side walls -13-, -14- can have different designs. It is also possible to ensure that the tubular wall -501- is not joined directly to the bases -11-, -12-, but by means of sections of wall connecting to the upper base -11- and sections of wall connecting to the lower base. In this case, the chamber can be defined exclusively by the tubular wall -501-, or by the sections of cylindrical wall and the aforementioned connecting walls as a whole.
  • the combination of different profiles allows a core having zoned firmness to be obtained.
  • Figure 4 shows an example of a profile -1- that can be used in the present invention.
  • the profile in the example can be produced by extruding a resilient thermoplastic material.
  • the profile -1- is a hollow profile having a substantially constant cross-section.
  • the profile -1- has two bases -11-, -12-, which can be referred to as the upper base -11- and the lower base -12-.
  • the bases are connected by two parallel walls -13-, -14-, made of resilient material.
  • the parallel walls -13-, -14- are accordion-shaped.
  • each base -11-, -12- has projections -112-, -122- and recesses -111-, -121- that fit together, located on opposite sides.
  • recesses and projections are fitted together, it is possible to join matching profiles together by clipping. It is generally also possible to join profiles together by means of elements located on the side wall, for example.
  • Figure 5 is a perspective view of an example of a mattress core formed by transverse profiles -1- clipped together.
  • the combination of different profiles allows a core having zoned firmness to be obtained.
  • Figure 6 shows another example of blocks similar to that in the previous figure, in which two groups of profiles have been sealed at both ends using caps -2-.
  • the caps have a central hole -21- that can be closed, so that the air is sealed in and cannot pass via the ends of the profiles, or they can serve as a means for controlling the outflow that occurs when the user lies on the mattress and the elastic response of the profiles brings the bases of the profile closer together, reducing the hollow volume of the aforementioned profile.
  • Figure 7 shows a further exemplary embodiment of a mattress core formed by transverse profiles clipped together and similar to that of Figure 3 , in which the blocks sealed at one of their ends with caps -2- have been connected together by means of a connection -22- that connects the central holes -21-. In this way, the pressure is equalled out in all the connected profiles.
  • Figure 8 shows a further, additional example of a mattress core formed by transverse profiles -1- clipped together and similar to that of Figure 4 .
  • elements that are the same as or equivalent to those in the previous examples have been identified using the same numerals and will therefore not be described in detail.
  • the example in Figure 5 differs from the example in Figure 4 in that the blocks sealed with caps -2- are connected at one of their ends by means of a valve, so that the air pressure inside the extruded profiles can be controlled.
  • the connection -22- between blocks is connected to the outside by means of a valve -23- and a non-return device -24-.
  • the non-return device illustrated allows the gas (usually air) to leave when the user is lying on the mattress, but prevents air from leaving beyond a certain pressure.
  • Figure 9 shows a further exemplary embodiment of a mattress core formed by transverse profiles -1-clipped together and similar to that of Figure 5 , in which the same or similar elements have been identified using identical numerals and will therefore not be described in depth.
  • the sealed and connected blocks are connected to a pump assembly -27-.
  • Figure 10 is a perspective view of another exemplary embodiment, in which the core has several alternating zones, with zones -9- made of a traditional material (e.g. foam) alternating with zones formed by transverse profiles -1- made from resilient material.
  • a traditional material e.g. foam
  • Figure 11 is a perspective view of another exemplary embodiment of a core according to the present invention that comprises a first layer -8- formed by a traditional mattress core (foam, in the example) to which an extra comfort layer is added, formed by transverse profiles -1- extruded from resilient material.
  • the profiles can be like any of the examples shown in the previous figures.
  • the profiles according to the present invention can create a core having multiple chambers.
  • the profiles can be single-chamber (a single space for gas/air) or multi-chamber (several spaces).

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP17382292.5A 2016-05-23 2017-05-22 Verbesserter matratzenkern und matratze mit besagtem kern Active EP3248511B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201630665A ES2589979B1 (es) 2016-05-23 2016-05-23 Nucleo de colchón y colchón con dicho nucleo
ES201700335A ES2615391B8 (es) 2017-03-30 2017-03-30 Núcleo de colchón mejorado y colchón con dicho núcleo

Publications (2)

Publication Number Publication Date
EP3248511A1 true EP3248511A1 (de) 2017-11-29
EP3248511B1 EP3248511B1 (de) 2018-12-12

Family

ID=58992789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17382292.5A Active EP3248511B1 (de) 2016-05-23 2017-05-22 Verbesserter matratzenkern und matratze mit besagtem kern

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EP (1) EP3248511B1 (de)
ES (1) ES2714212T3 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618144A (en) * 1969-03-06 1971-11-09 North American Rockwell Cushioning assembly
US5044027A (en) * 1990-04-09 1991-09-03 Moon Benny C Cushion construction
US5426799A (en) * 1989-06-08 1995-06-27 Superba S.A. Mattress system
US20020116766A1 (en) * 2001-02-15 2002-08-29 Stolpmann James R. Self-inflating mattress

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618144A (en) * 1969-03-06 1971-11-09 North American Rockwell Cushioning assembly
US5426799A (en) * 1989-06-08 1995-06-27 Superba S.A. Mattress system
US5044027A (en) * 1990-04-09 1991-09-03 Moon Benny C Cushion construction
US20020116766A1 (en) * 2001-02-15 2002-08-29 Stolpmann James R. Self-inflating mattress

Also Published As

Publication number Publication date
ES2714212T3 (es) 2019-05-27
EP3248511B1 (de) 2018-12-12

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