EP0722284B1 - Article gonflable, notamment matelas pneumatique, pourvu d'une partie servant de pompe et d'une partie a gonfler a l'aide de la pompe - Google Patents

Article gonflable, notamment matelas pneumatique, pourvu d'une partie servant de pompe et d'une partie a gonfler a l'aide de la pompe Download PDF

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Publication number
EP0722284B1
EP0722284B1 EP94926933A EP94926933A EP0722284B1 EP 0722284 B1 EP0722284 B1 EP 0722284B1 EP 94926933 A EP94926933 A EP 94926933A EP 94926933 A EP94926933 A EP 94926933A EP 0722284 B1 EP0722284 B1 EP 0722284B1
Authority
EP
European Patent Office
Prior art keywords
pump
section
walls
film
inflated
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.)
Expired - Lifetime
Application number
EP94926933A
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German (de)
English (en)
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EP0722284A1 (fr
Inventor
Josef Graf
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Individual
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Individual
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Publication date
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Publication of EP0722284A1 publication Critical patent/EP0722284A1/fr
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Publication of EP0722284B1 publication Critical patent/EP0722284B1/fr
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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
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • 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
    • A47C27/08—Fluid mattresses or cushions
    • 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
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A47C27/084—Fluid mattresses or cushions of pneumatic type self inflating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/02—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows

Definitions

  • the invention relates to an object to be inflated with the features specified in the preamble of claim 1.
  • the pump part is designed as part of the head part of an air mattress.
  • the dividing wall required to separate the pumping part and the part to be inflated bulges alternately to one side or the other during the pumping process, because there is an alternating overpressure on one or the other side of the dividing wall.
  • the partition is arched inwards at the beginning of the compression of the pump part, as a result of which part of the pumping space is lost, because the partition must first be bulged outwards before the air flows through the one-way outlet valve into the part to be inflated.
  • an inflatable hollow body in which a bellows built into the interior of the hollow body is used.
  • This bellows is stiffened by cell walls that connect the bellows to the hollow body envelope.
  • the bellows are rebuilt after being compressed by the inherent elasticity of the bellows, ie the bellows must be designed to be relatively stable.
  • the invention is based on the object of further developing the object to be inflated in accordance with the preamble of claim 1 in such a way that as little pumping space as possible is lost.
  • the pump part is separated from the part to be inflated by foil walls, which are held in their basic position by elements that are subjected to tension, namely on the outside by tension tabs and on the inside by web tabs and retaining webs. A mutual bulging of the film walls is essentially excluded, so that the pumping space is not lost.
  • the design of the pump part as a kind of independent unit also ensures that the pump part can be used independently of the structure of the object to be inflated.
  • the space used for receiving the fuel can be kept very small, so that fuel is saved.
  • perforated partitions transversely to the web brackets and to the holding web, which in turn produce a tensile connection between opposing foil walls and thus ensure that the foil walls cannot bulge outwards.
  • the holes in the perforated partitions have the same dimensions as the inlet opening, so that the fragmented propellant through the Inlet opening and can be subsequently introduced through the holes into the chambers receiving the fuel.
  • the dimensioning in claim 4 ensures that when the object is inflated, the pumping part cannot appear externally in the form of notches, because the walls that connect the opposite outer skins are never taut when the object is inflated.
  • the object to be inflated which can be thought of as an air mattress, consists of a pump part 2 and a part 1 to be inflated.
  • the outer skins 1a are connected to one another by webs 1b.
  • the pump part 2 is installed in a field delimited by the webs 1b.
  • This pump part 2 has the basic shape of a rectangle in plan view (FIG. 2) and is separated from the part to be inflated by air-tight film walls 3.
  • a one-way outlet valve in the form of a film valve 9.
  • the air can pass from the pump part 2 into the part 1 to be inflated through this film valve 9.
  • perforated partitions 6 running parallel to one another are arranged, which are connected at the top and bottom to the outer skins 1a and laterally to mutually opposite film walls 3, this connection not having to be airtight.
  • the perforated partitions 6 delimit an air chamber between the spaces for receiving the propellant 11, which is connected to the outside air via the inlet opening 8 and to the part 1 to be inflated via the film valve 9.
  • the propellant 11 consists of fragmented plastic foam, the pieces being introduced into the receiving chambers after the manufacture of the mattress through the inlet opening 8 and the holes 7. Any material that can be mechanically compressed, but increases its volume when air enters, can be used as the propellant.
  • pull tabs 4 On the outside of the film walls 3 obliquely extending pull tabs 4 are attached, which are fixed at the other end to the inside of the outer skins 1a. Bulging of the film walls 3 to the inside is largely prevented by these pull tabs 4.
  • Retaining webs 10 run between the perforated partition walls 6 and are arranged one above the other and in a different plane than the web brackets 5. Through the retaining webs 10 and through the web tabs 5 occurring tensile forces are transmitted between the film walls.
  • the film walls 3 are thus fixed in both directions by tension members in their basic position.
  • the pull tabs 4 have the additional function that when the part 1 to be inflated is filled, the film walls 3 are pulled along and erected. This is particularly important if the receiving chambers are not completely filled with the propellant 11.
  • the holes 7 in the perforated partitions 6 are of approximately the same dimension as the inlet opening 8. This has the advantage that small-sized propellant 11 can be brought through the inlet opening 8 and through the holes 7 into the receiving chambers with slight compression. The propellant 11 expands again in the receiving chambers and cannot escape through the holes 7. The holes 7 must therefore also be large enough to always ensure adequate air passage in both directions through the perforated partitions 6.
  • the film walls 3 and the perforated partition walls 6 are dimensioned in the direction of their extent between the outer skins 1a so that their height is greater than the greatest distance between the outer skins 1a in the area of the walls mentioned when the mattress is inflated. This prevents the pump part from being visible on the outside in the form of notches.
  • the propellant 11 can be introduced into the spaces provided for its reception through a filling tube in which the pieces of propellant 11 are pressed together.
  • the propellant material 11 can have the form of bar-like pieces, these bars running perpendicular to one another from layer to layer and forming a stack with large free spaces.
  • the perforated partitions can be dispensed with.
  • opposing film walls 3 are also provided with web tabs that connect one another in a tensile manner.
  • the foil walls 3 can also function as webs running between the outer skins 1a, e.g. of a circular walkway. In this case, the film walls 3 are stretched tight when the mattress is inflated.
  • the air mattress is first rolled out. If you now open the inlet opening 8, then air can enter the interior of the pump part 2 through this opening. When air enters, the propellant 11 accommodated in the pump part 2 increases in volume until the pump part is filled with air to some extent. Now, for example, the pump part 2 is pressed together by the foot of the user, the foot closing the inlet opening 8. Air is now pressed through the film valve 9 into the part 1 to be inflated. This pumping process is repeated until the part 1 to be inflated is inflated somewhat more than is desired in the end result.
  • the outlet opening is opened to empty the air mattress.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Massaging Devices (AREA)

Claims (4)

  1. Objet gonflable, en particulier matelas pneumatique, ayant une partie agissant comme pompe et une partie à gonfler par la pompe avec les caractéristiques suivantes :
    la partie servant de pompe comprend une ouverture d'entrée (8) obturable et reliée par une soupape à membrane (9) à la partie gonflable (1) ;
    dans la partie servant de pompe (2) est localisé un matériau gonflant (11) consistant en un matériau en mousse plastique à cellules ouvertes qui peut être aussi en forme de déchets ;
    un petit courant de retour de l'air de la partie à gonfler (1) vers la partie servant de pompe (2) est possible par une petite ouverture (12) ;
    une ouverture de sortie obturable est disposée dans la partie à gonfler (1) ;
    des parois en feuilles (3) insérées entre des peaux extérieures (1a) opposées sont disposées entre la partie servant de pompe (2) et la partie à gonfler (1) ;
    caractérisé par les caractéristiques suivantes :
    des attaches de traction (4) sont disposées et fixées sur le côté extérieur des parois en feuilles (3) d'une façon oblique par rapport au côté intérieur des peaux extérieures (1a) ;
    les côtés intérieurs opposés des parois en feuilles (3) opposés sont reliés les uns avec les autres par des attaches à traverses (5) et des traverses de retenue (10).
  2. Objet selon la revendication 1, caractérisé en ce que des parois de séparation (6) perforées sont insérées entre les peaux extérieures (1a) et en travers des attaches de traverses (5) et des traverses de retenue (10), les parois de séparation (6) perforées reliant les parois de feuilles (3) opposées et incluant entre elles un espace relié à l'ouverture d'entrée (8) et à la soupape à membrane (9).
  3. Objet selon la revendication 2, caractérisé en ce que les perforations (7) dans les parois de séparation perforées (6) ont les mêmes dimensions que l'ouverture d'entrée (8).
  4. Objet selon la revendication 2 ou 3, caractérisé en se que les parois en feuilles (3) et les parois de séparation perforées (6) ont des dimensions telles que leur hauteur est supérieure à la distance la plus grande entre les parois extérieures (1a) à l'état gonflé de l'objet.
EP94926933A 1993-10-05 1994-09-12 Article gonflable, notamment matelas pneumatique, pourvu d'une partie servant de pompe et d'une partie a gonfler a l'aide de la pompe Expired - Lifetime EP0722284B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9315105U DE9315105U1 (de) 1993-10-05 1993-10-05 Aufzupumpender Gegenstand, insbesondere Luftmatratze mit einem als Pumpe wirkenden Teil und einem durch die Pumpe aufzupumpenden Teil
DE9315105U 1993-10-05
PCT/EP1994/003040 WO1995009552A1 (fr) 1993-10-05 1994-09-12 Article gonflable, notamment matelas pneumatique, pourvu d'une partie servant de pompe et d'une partie a gonfler a l'aide de la pompe

Publications (2)

Publication Number Publication Date
EP0722284A1 EP0722284A1 (fr) 1996-07-24
EP0722284B1 true EP0722284B1 (fr) 1997-07-16

Family

ID=6898987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94926933A Expired - Lifetime EP0722284B1 (fr) 1993-10-05 1994-09-12 Article gonflable, notamment matelas pneumatique, pourvu d'une partie servant de pompe et d'une partie a gonfler a l'aide de la pompe

Country Status (15)

Country Link
EP (1) EP0722284B1 (fr)
JP (1) JPH09507394A (fr)
KR (1) KR960704482A (fr)
CN (1) CN1132468A (fr)
AT (1) ATE155327T1 (fr)
AU (1) AU7657494A (fr)
CA (1) CA2173478A1 (fr)
DE (2) DE9315105U1 (fr)
ES (1) ES2105747T3 (fr)
FI (1) FI961531A0 (fr)
GB (1) GB2282528B (fr)
GR (1) GR3024536T3 (fr)
NO (1) NO961331L (fr)
PL (1) PL313866A1 (fr)
WO (1) WO1995009552A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413445C2 (de) * 1994-04-18 1996-02-01 Josef Graf Verfahren zum Herstellen einer Luftmatratze mit einem als Pumpe wirkenden Teil und einem durch die Pumpe aufzupumpenden Teil
NL1007398C2 (nl) * 1997-08-07 1999-02-09 Patrick Kloppenborg Conformerende lichaamsondersteuning met luchtkamer en pompkamer.
JP6242841B2 (ja) * 2015-09-17 2017-12-06 株式会社イガラシ 空気注入体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133696A (en) * 1962-02-19 1964-05-19 Holiday Line Inc Pump
AU615424B2 (en) * 1987-06-16 1991-10-03 Jackel International Pty. Ltd. A pump assembly
DE9210427U1 (de) * 1992-08-04 1992-09-24 Graf, Josef, 8201 Frasdorf Luftmatratze mit einem als Pumpe wirkenden Teil

Also Published As

Publication number Publication date
AU7657494A (en) 1995-05-01
KR960704482A (ko) 1996-10-09
NO961331D0 (no) 1996-04-01
DE9315105U1 (de) 1994-02-17
GR3024536T3 (en) 1997-12-31
ATE155327T1 (de) 1997-08-15
FI961531A (fi) 1996-04-04
JPH09507394A (ja) 1997-07-29
GB9419351D0 (en) 1994-11-09
PL313866A1 (en) 1996-07-22
GB2282528A (en) 1995-04-12
CA2173478A1 (fr) 1995-04-13
WO1995009552A1 (fr) 1995-04-13
CN1132468A (zh) 1996-10-02
FI961531A0 (fi) 1996-04-04
EP0722284A1 (fr) 1996-07-24
GB2282528B (en) 1997-10-15
ES2105747T3 (es) 1997-10-16
NO961331L (no) 1996-06-05
DE59403408D1 (de) 1997-08-21

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