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
  • A47C27/15—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
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47C—CHAIRS; SOFAS; BEDS
  • A47C15/00—Other seating furniture
  • A47C15/004—Seating furniture for specified purposes not covered by main groups A47C1/00 or A47C9/00
  • A47C15/006—Floating seats
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
  • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
  • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
  • B63B34/50—Body-supporting buoyant devices, e.g. bathing boats or water cycles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2266/00—Composition of foam
  • B32B2266/06—Open cell foam
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2266/00—Composition of foam
  • B32B2266/08—Closed cell foam
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2307/00—Properties of the layers or laminate
  • B32B2307/70—Other properties
  • B32B2307/72—Density
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B2307/00—Properties of the layers or laminate
  • B32B2307/70—Other properties
  • B32B2307/726—Permeability to liquids, absorption

Definitions

• Floating mattress adapted to support at least one user or object on the water with its buoyancy.
• the present invention relates generally to a floating mattress adapted to support at least one user or an object on the water with its buoyancy.
• floating mattress In order to allow an individual or an object to float on the water, the floating mattress must have sufficient buoyancy to support the weight of an individual or an object.
• a known application of floating mattresses are floating mattresses consisting of a solid foam closed cell.
• the prior art includes WO Patent No. 2017/013546 describing a mattress composed of a single floating body consisting of a solid closed-cell foam.
• the present invention aims to solve all or part of the disadvantages mentioned above.
• the present invention relates to a floating mattress adapted to support at least one user or an object on the water, comprising a set of layers of foam, the set of foam layers comprising a plurality of foam layers including minus a first buoyancy layer comprising a first foam composition, the first buoyancy layer being intended to be positioned facing the surface of the water and a second layer of comfort comprising a second foam composition, the second layer being intended to be facing the at least one user or object.
• the volume of the first buoyancy layer must be at least 5000 cm3.
• the volume of the first buoyancy layer depends on the weight to be borne by the mattress.
• the volume of the first buoyancy layer is greater than 15000cm3.
• the volume of the first buoyancy layer is greater than 50000cm3.
• the volume of the first buoyancy layer is greater than 100000cm3. According to one embodiment, the thickness of the buoyancy layer is greater than 2 cm.
• the thickness of the buoyancy layer is between 5 and 10 cm.
• the thickness of the buoyancy layer is greater than 10 cm.
• the first buoyancy layer has a constant thickness over its entire surface.
• the first buoyancy layer has at least a first portion and at least a second portion, the thickness of the buoyancy layer being greater in the first portion relative to the thickness in the second portion.
• the mattress can adapt to the weight distribution of a user or an object without imposing a significant thickness on the entire surface.
• said first portion is disposed in an area of the mattress for receiving the upper part of the body of a user.
• the buoyancy layer consists of a rigid closed-cell foam.
• the term "rigid closed-cell foam” is understood such that the material is a foam made from solid closed cells. According to one embodiment, these cells are created from a gas and contain gas or air. These aspects contribute to the buoyancy of the mattress.
• the foam can be made from several materials such as:
• the closed cell buoyancy layer is impermeable. This allows a high coefficient of buoyancy.
• the comfort layer consists of a flexible, moisture-proof open-cell foam.
• the term "flexible open-cell foam” is understood such that the material is a foam made from flexible open cells.
• a flexible foam provides great comfort.
• the comfort layer consists of an open cell moisture-proof flexible foam that allows it to let water and air through.
• the comfort layer consists of a flexible open-cell moisture-proof foam which allows it to accelerate drying and prevent the growth of mold.
• the comfort layer may include at least one housing for receiving the at least one object.
• said housing is open on one side of the comfort layer facing away from the buoyancy layer.
• the at least one object received in the at least one housing may be a cup or any other container.
• a third layer comprising a third flexible foam composition attached to one side of the comfort layer facing away from the buoyancy layer.
• the third layer of foam can perform different functions such as headrest for example.
• the third foam layer comprising a third foam composition has a composition identical to the composition of the foam of the comfort layer.
• At least two adjacent foam layers of the set of foam layers are bonded together by a joining of their adjacent faces.
• said adjacent faces are bonded together by a water-resistant adhesive for example.
• the use of a water-resistant adhesive allows a long-term maintenance of the solidarity of the various layers of the mattress components taking into account the environment of use.
• the floating mattress includes a resistant protective cover adapted to the evacuation of stored water, the protective cover is intended to wrap the set of layers of foam.
• the protective cover comprises at least two portions of fabric.
• the first portion of fabric covers the buoyancy layer of the mattress while the second portion of fabric covers at least the comfort layer of the mattress.
• the second portion of fabric of the protective cover is water-repellent or impervious.
• the first portion is permeable in order to allow the evacuation of the water likely to infiltrate between the different layers of foam of the set of layers of foam and thus to prevent the growth of mold.
• the protective cover is detachable from the set of layers of foam.
• the protective cover comprises one or more closure elements such as a zipper or a self-gripping fastening strip for example.
• the protective cover is resistant to certain elements such as UV, in the open air or water, for example.
• the first foam composition has a density of between 10 kg / m 2 and 85 kg / m 2 .
• the first foam composition has a longitudinal tensile strength of between 0.10 N / mm 2 and 0.80 N / mm 2 ; According to one embodiment, the first foam composition has a transverse tensile strength of between 0.10 N / mm 2 and 0.80 N / mm 2 ;
• the first foam composition has a longitudinal elongation of between 50% and 120%.
• the first foam composition has a transverse elongation of between 50% and 100%.
• the first foam composition has a longitudinal tear strength of between 500 N / m and 6000 N / m.
• the first foam composition has a transverse tear resistance of between 1000 N / m and 6000 N / m.
• the first foam composition has a compressive strength for 40% deformation of between 5 kPa and 100 kPa.
• the first foam composition has a thermal stability for exposure to 70 ° C over a period of 24 hours creating a deformation of less than 10%.
• the second foam composition has a density of between 10 kg / m 2 and 40 kg / m 2 .
• the second foam composition has a cell number of between 2 / cm and 8 / cm.
• the second foam composition has a tensile strength of between 1 kPa and 10 kPa.
• the second foam composition has a longitudinal elongation of between 50% and 200%.
• the second foam composition has a compressive strength for 10% deformation of between 1 kPa and 20 kPa.
• the protective cover used has one or more of the following characteristics:
• the various characteristics mentioned are intended to guarantee a solidity, a comfort and a life expectancy of the improved invention.
• the body of the mattress has a length between 1.2 m and 3 m, a width between 0.5 m and 2.5 m, a thickness between 0.05 m and 0.75 m.
• the invention also relates to a floating mattress adapted to support at least one user on the water, comprising a set of foam layers, the set of foam layers comprising a plurality of foam layers including at least a first layer of buoyancy comprising a first foam composition, the first buoyancy layer being intended to be positioned in contact with the surface of the water and a second comfort layer comprising a second foam composition, the second layer being intended to be facing the at least one user or object.
• Figure 1 shows a first floating mat in cross sectional view according to the present invention
• Figure 2 shows the floating mat of Figure 1 in top view according to the present invention.
• Figure 3 represents a second floating mat in cross-sectional view according to the present invention.
• the floating mattress 1 capable of supporting at least one user or an object on the water, comprises a set of layers of foam 2 in which at least two layers adjacent foams of the set of layers of foam 2 are bonded together by a joining of their adjacent faces. Said adjacent faces are bonded together by a glue resistant to water for example.
• a water-resistant adhesive allows a long-term maintenance of the solidarity of the various layers of the mattress components taking into account the environment of use.
• the set of foam layers 2 comprises a plurality of foam layers including at least one buoyancy layer 11 and a comfort layer 12.
• the buoyancy layer 11 is intended to be positioned facing the surface of the water. It comprises a first rigid closed cell foam composition.
• the term "rigid closed-cell foam” is understood as the material is a foam made from solid closed cells. These cells are created from a gas and contain gas or air. Rigid closed-cell foam is impervious, giving it a high buoyancy coefficient. It can be made from several materials such as polyurethane foam, rubber foam, extruded polystyrene foam, polystyrene foam or phenolic foam.
• the comfort layer 12 includes a second cross-linked foam composition, which allows it to pass water and air, to accelerate drying and to prevent the growth of mold.
• the foam is flexible waterproof moisture-proof and open-cell.
• the term "flexible open cell foam” is understood as the material is a foam made from flexible open cells. The comfort layer 12 being intended to be facing the at least one user or object.
• a third layer 13 comprising a soft foam composition identical to that of the comfort layer is attached to one face of the comfort layer 12 facing away from the buoyancy layer 11.
• This third foam layer allows to perform different functions such as headrest for example.
• the floating mattress 1 comprising a protective cover 21 resistant adapted to the evacuation of stored water, the protective cover being intended to envelop the set of layers of foam 2, it is however detachable from the set of layers of foam 2.
• the protective cover comprises one or more closure elements such as a zipper or a Velcro fastening tape for example. This facilitates the maintenance of the floating mattress 1.
• the protective cover 21 is resistant to certain elements such as UV, in the open air or water, for example.
• the protective cover 21 comprises at least two portions of fabric.
• the first portion of fabric covers the buoyancy layer of the mattress while the second portion of fabric covers at least the comfort layer of the mattress.
• the first portion of the protective cover 21 is permeable in order to allow the evacuation of the water likely to infiltrate between the different layers of foam of the set of layers of foam 2 and thus to prevent the development of molds .
• the second fabric portion of the protective cover is water repellent or waterproof.
• the comfort layer 12 of the mattress 1 may include a housing 32 for receiving at least one object such as a cup or other container. Said housing 32 is open on one side of the comfort layer 12 facing away from the buoyancy layer 11.
• the first foam composition has a density of between 10 kg / m 2 and 85 kg / m 2 , a longitudinal tensile strength of between 0.10 N / mm 2 and 0.80 N / mm 2 , a transverse tensile strength between 0.10 N / mm 2 and 0.80 N / mm 2 , a longitudinal elongation of between 50% and 120%, a transverse elongation of between 50% and 100%, a longitudinal tensile strength of 500 N / mm 2 , m and 6000 N / m, a transverse tear resistance of between 1000 N / m and 6000 N / m, a compressive strength for 40% deformation of between 5 kPa and 100 kPa, a thermal stability for an exposure of 70 ° C over a period of 24 hours creating a deformation of less than 10%.
• the second foam composition has a density of between 10 kg / m 2 and 40 kg / m 2 , a cell number of between 2 / cm and 8 / cm, a tensile strength of between 1 kPa and 10 kPa, a elongation at longitudinal break of between 50% and 200%, compressive strength at 10% of strain between 1 kPa and 20 kPa, composition of composite PVC and synthetic fibers, weight between 250g / m 2 and 750g / m 2 , a porosity between 0% and 20%, breaking strength of between 50 daN / 5cm and 400 daN / 5cm, tensile strength of between 20 daN and 100 daN.
• the volume of the first buoyancy layer must be at least 5000cm 3 .
• the volume of the first buoyancy layer depends on the weight to be borne by the mattress.
• the volume of the first buoyancy layer is greater than 15000cm 3 .
• the volume of the first buoyancy layer is greater than 50000cm 3 .
• the volume of the first buoyancy layer is greater than 100000cm 3 . According to one embodiment, the thickness of the buoyancy layer is greater than 2 cm.
• the thickness of the buoyancy layer is between 5 and 10 cm.
• the first buoyancy layer has a constant thickness over its entire surface.
• the body of the mattress has a length between 1.2 m and 3 m, a width between 0.5 m and 2.5 m, a thickness between 0.05 m and 0.75 m.
• the mattress comprises the same elements as those described for the first embodiment.
• this embodiment differs in that the first buoyancy layer has at least a first portion and at least a second portion, the thickness of the buoyancy layer being greater in the first portion relative to the thickness in the first portion. second serving.
• the mattress can adapt to the weight distribution of a user or an object without imposing a significant thickness on the entire surface.
• Said first portion is disposed in an area of the mattress for receiving the upper part of the body of a user.
• the invention is not limited to the embodiments shown and described above, but covers all variants.

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• Ocean & Marine Engineering (AREA)
• Mattresses And Other Support Structures For Chairs And Beds (AREA)
• Laminated Bodies (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=61028036

Family Applications (1)

Country Status (4)

Families Citing this family (1)

Citations (1)

Family Cites Families (2)

• 2017
  • 2017-12-13 FR FR1762092A patent/FR3074666B1/fr active Active
• 2018
  • 2018-12-11 WO PCT/FR2018/053182 patent/WO2019115926A1/fr not_active Ceased
  • 2018-12-11 EP EP18839603.0A patent/EP3723554A1/de not_active Withdrawn
  • 2018-12-11 US US16/772,455 patent/US20200383492A1/en not_active Abandoned

Patent Citations (1)

Non-Patent Citations (2)

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