EP3342946A1 - Preparatory material for producing an insulating bag, comprising an air outlet device - Google Patents

Preparatory material for producing an insulating bag, comprising an air outlet device Download PDF

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Publication number
EP3342946A1
EP3342946A1 EP17206832.2A EP17206832A EP3342946A1 EP 3342946 A1 EP3342946 A1 EP 3342946A1 EP 17206832 A EP17206832 A EP 17206832A EP 3342946 A1 EP3342946 A1 EP 3342946A1
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EP
European Patent Office
Prior art keywords
air
flexible
preparatory material
preparatory
membranes
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EP17206832.2A
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German (de)
French (fr)
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EP3342946B1 (en
Inventor
Jean-François HOUET
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Isotechniques
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Isotechniques
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7604—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only fillings for cavity walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1668—Insulation of the roof covering characterised by its integration in the roof structure the insulating material being masses or granules applied in situ
    • E04D13/1675—Insulation of the roof covering characterised by its integration in the roof structure the insulating material being masses or granules applied in situ on saddle-roofs or inclined roof surfaces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1681—Insulating of pre-existing roofs with or without ventilating arrangements

Definitions

  • the field of the invention is that of the design and manufacture of building insulation material. More specifically, the invention relates to the design of insulating bags in the form of flexible bags designed to contain an insulator injected by a flow of air, these insulating bags being intended to achieve the insulation crawlers attic converted or convertible.
  • Insulation bags form particularly advantageous solutions for the insulation of crawling roofs of a building.
  • the insulation bags make it possible to quickly and qualitatively achieve the insulation of these creepers from a loose insulation (cellulose wadding, cotton wool, mineral wool, ...) injected into the bag by a flow of air.
  • the empty bag is first inserted into a space underlying the roof, delimited by structural elements. Subsequently, a hole is drilled on the bag and loose insulation is injected into the bag until it is filled. Finally, the hole through which the loose insulation is injected and sealed for example by means of an adhesive tape.
  • Such an insulation bag thus makes it possible to achieve the insulation of a space while presenting a vapor barrier and a rain screen.
  • This insulation device is thus suitable for the insulation of the roof of a building.
  • these insulation bags can also be used for other applications such as cellar insulation or wood frame walls.
  • the insulation bags can for example be installed from the outside, or from the inside, between the battens and rafters of a frame, as well as between the roof and, for example, a plasterboard.
  • the empty insulation bags are placed inside the space where they are intended to achieve the insulation. Subsequently, a first hole is made on one of the membranes to be able to inject the insulation in bulk.
  • one or more air evacuation members are created on the insulating bags.
  • these air evacuation members are made by piercing the membrane again and closing the hole made with a foam allowing the passage of air and the retention of the bulk insulation.
  • the preparatory material used to make these insulating bags is conventionally presented in the form of a roll.
  • the two membranes are then sewn on two longitudinal edges and wound.
  • workers should unroll the roll and cut the preparatory material to the desired length.
  • the two transverse edges formed by the cutout are coupled hermetically, for example by means of an adhesive tape.
  • insulation with an insulating bag must be done with care. Indeed, the people who realize the insulation can not inject loose insulation with too much air flow. Such a flow of air would inflate the insulating bag too quickly and could cause damage to the elements surrounding the bag (slate roof and / or plasterboard).
  • the invention aims to overcome the disadvantages of the prior art.
  • the invention aims to provide an insulation solution with the aid of insulating bags that can be implemented quickly.
  • the invention also aims to provide such a solution in which the introduction of the insulating bags has a lower risk of degradation of the elements surrounding the bag compared to that which exists during the introduction of conventional insulation bags. presented by the prior art.
  • an insulating bag formed from the preparatory material can be filled with a bulk insulator injected through a flow of air with a small risk of bursting the insulating bag because of said air flow.
  • the bulk insulation can be injected into the insulation bag by means of an injection apparatus set at its maximum speed.
  • the air evacuation member which extends longitudinally over a length at least equal to that of the membranes (and therefore with a length at least equal to that of the insulating bag formed) allows to evacuate a surplus air at any step of filling the flexible bag with loose insulation.
  • a hole must be made in the insulating bag. Then, a flexible hose is inserted inside the flexible bag through the hole made to an inner end of said bag. The insulation is then injected and the flexible pipe is gradually removed so that the loose insulation is distributed correctly from the bottom of the bag to the place where the hole was made.
  • the insulating bag formed from this material has a capacity for evacuation of air by the air evacuation member which is less affected by the presence of the air. bulk insulation compared to the air evacuation capacity of a conventional insulating bag according to the prior art.
  • the injection speed of a bulk insulator through a flow of air can be set to a large value on an injection device.
  • the realization of the insulation using insulating bags formed from the preparatory equipment according to the invention can be performed more quickly than is allowed by the prior art.
  • the air evacuation member is directly presented by the preparatory equipment, and it is not necessary for the persons carrying out the installation of the insulation to create the air evacuation member on the floor.
  • the flexible bag formed from the preparatory material formed from the preparatory material.
  • the outer flap closes the air evacuation member once the insulating bag has been filled. Indeed, when the insulating bag is filled, it fits perfectly in the space to isolate where it is previously inserted. The outer flap is then positioned completely on the air outlet member.
  • the air evacuation member is a flexible grid.
  • Such a flexible grid is a simple and economical form of realization of the air evacuation member.
  • the air evacuation member is sewn or welded to the preparatory equipment.
  • Such an air evacuation member is thus produced and coupled to the preparatory equipment in a conventional manner with respect to the production of an insulating bag.
  • the air evacuation member extends along a first edge.
  • Such a position of the air evacuation member simplifies the filling operation of an insulating bag formed from the preparatory material according to the invention.
  • the air evacuation member is interposed between the two membranes and couples together the two membranes, the air evacuation member forming a bellows.
  • Such a bellows formed by the air evacuation member is a particularly effective solution for producing the air evacuation member. Indeed, in this way the flexible membranes are not weakened by the addition on their surface of the air evacuation member (that is to say by performing a cut).
  • the outer flap is formed by one of the membranes.
  • the subject of the invention is also an insulating bag in the form of a flexible bag capable of containing an insulator injected by means of a flow of air, characterized in that it is formed from a preparatory material as described above, the membranes of the preparatory material being coupled together on two opposite second edges extending along a transverse axis of the preparatory material.
  • an insulating bag 1 takes the form of a flexible bag.
  • This insulating bag 1 is formed from a preparatory material 2. As illustrated on the figure 1 , the insulating bag 1 extending longitudinally over a height H along a longitudinal axis L of the preparatory equipment.
  • the membranes are coupled together on two first opposite edges 4, which extend along a longitudinal axis L of the preparatory material 2.
  • the membranes are also coupled together on two opposite second edges 6, which extend along a transverse axis T of the preparatory equipment.
  • the first two edges 4 are conventionally sewn or welded together.
  • the second two edges 6, for their part are coupled using an adhesive tape.
  • the membranes are only coupled together on their first two opposite edges 4.
  • the preparatory material may initially be in the form of a roll which must be cut to the desired length by the installers of the insulating bag according to the space to be insulated.
  • the air evacuation member takes an oblong shape which extends longitudinally on either side of a median zone halfway up the height H.
  • the air evacuation member 5 extends along a first edge 4.
  • the air evacuation member 5 is a flexible grid 50. This air evacuation member 5 is sewn or welded to the preparatory equipment 2.
  • the air evacuation member 5 is interposed between the two membranes and couples together the flexible vapor-braking membrane 30 and the flexible rain-barrier membrane 31. air evacuation thus forms a bellows.
  • the preparatory equipment comprises an outer flap 310 which is intended to cover the air evacuation member 5.
  • this outer flap 310 is formed by one of the membranes. More specifically, this outer flap is formed by the flexible rain-barrier membrane 31.
  • the flexible vapor barrier membrane 30 is also sewn on its end.
  • the rectangular band of the air evacuation member 5 is sewn back from the end of the flexible rain-barrier membrane. In this way, an outer flap 310 is formed by the flexible rainscreen membrane.
  • This outer flap tends to be positioned on the air evacuation member during the filling of the insulating bag.
  • the insulating bag 1 is inserted beforehand inside a space delimited by a structure 7.
  • the insulating bag 1 formed by the preparatory material 2 is filled with an insulator 10 by high-density insufflation, the membranes are stretched and the flap 310, positioning itself in the continuity of the flexible membrane rain cover 31, is positioned on the air outlet member 5.
  • the structure 7 must be able to keep the insulation bags on its sides.
  • the flexible rain-barrier membrane is in particular of the type highly permeable to water vapor.
  • the flexible rain-barrier membrane may have a vapor diffusion resistance value (Sd) equal to 0.02 m, a temperature resistance of -40 ° C to 80 ° C and a weight of 130 gm -2 .
  • the flexible vapor barrier membrane may have a vapor diffusion resistance value (Sd) equal to 5 m, a temperature resistance of -40 ° C to 80 ° C and a weight of 140 gm -2 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Tents Or Canopies (AREA)
  • Bag Frames (AREA)

Abstract

L'invention concerne un matériel préparatoire (2) pour former un sac à isolant (1) s'étendant longitudinalement sur une hauteur H selon un axe longitudinal L du matériel préparatoire, sous forme d'un sac souple apte à contenir un isolant (10) injecté grâce à un flux d'air, comprenant : - une membrane souple frein-vapeur (30) ; - une membrane souple pare-pluie (31) ; - un organe d'évacuation d'air (5), les membranes étant couplées ensemble sur deux premiers bords (4) opposés s'étendant selon l'axe longitudinal L, caractérisé en ce que l'organe d'évacuation d'air prend une forme oblongue qui s'étend longitudinalement de part et d'autre d'une zone médiane à mi-hauteur de la hauteur H.The invention relates to a preparatory material (2) for forming an insulating bag (1) extending longitudinally over a height H along a longitudinal axis L of the preparatory material, in the form of a flexible bag capable of containing an insulator (10). ) injected through a flow of air, comprising: a flexible vapor barrier membrane (30); a flexible rainscreen membrane (31); an air evacuation member (5), the membranes being coupled together on two opposite first edges (4) extending along the longitudinal axis L, characterized in that the air evacuation member takes an oblong shape which extends longitudinally from both sides; other of a median zone at half height H height.

Description

Le domaine de l'invention est celui de la conception et de la fabrication de matériel d'isolation de bâtiments. Plus précisément, l'invention concerne la conception des sacs à isolant sous forme de sacs souples destinés à contenir un isolant injecté par un flux d'air, ces sacs à isolant étant destinés à réaliser l'isolation des rampants de combles aménagés ou aménageables.The field of the invention is that of the design and manufacture of building insulation material. More specifically, the invention relates to the design of insulating bags in the form of flexible bags designed to contain an insulator injected by a flow of air, these insulating bags being intended to achieve the insulation crawlers attic converted or convertible.

Les sacs à isolant forment des solutions particulièrement avantageuses pour réaliser l'isolation des rampants de combles d'un bâtiment.Insulation bags form particularly advantageous solutions for the insulation of crawling roofs of a building.

En effet, les sacs à isolation permettent de réaliser de manière rapide et qualitative l'isolation de ces rampants à partir d'un isolant en vrac (ouate de cellulose, laine de coton, laines minérales, ...) injecté dans le sac par un flux d'air.In fact, the insulation bags make it possible to quickly and qualitatively achieve the insulation of these creepers from a loose insulation (cellulose wadding, cotton wool, mineral wool, ...) injected into the bag by a flow of air.

Plus précisément, les sacs à isolant classiques sont réalisés à partir d'un matériel préparatoire comprenant :

  • une membrane souple frein-vapeur ;
  • une membrane souple pare-pluie.
More specifically, conventional insulation bags are made from preparatory equipment comprising:
  • a flexible vapor barrier membrane;
  • a flexible membrane rainscreen.

Ces membranes sont couplées sur leurs bords pour former un sac.These membranes are coupled at their edges to form a bag.

Lors de la réalisation de l'isolation d'un rampant de combles aménagés, selon une méthode classique d'installation, le sac vide est d'abord inséré dans un espace sous-jacent à la toiture, délimité par des éléments de charpentes. Par la suite, un trou est percé sur le sac et de l'isolant en vrac est injecté à l'intérieur du sac jusqu'à ce qu'il soit remplit. Enfin, le trou par lequel l'isolant en vrac est injecté et colmaté par exemple à l'aide d'un ruban adhésif.When performing the insulation of a crawl of converted attics, according to a conventional method of installation, the empty bag is first inserted into a space underlying the roof, delimited by structural elements. Subsequently, a hole is drilled on the bag and loose insulation is injected into the bag until it is filled. Finally, the hole through which the loose insulation is injected and sealed for example by means of an adhesive tape.

Un tel sac à isolant permet ainsi de réaliser l'isolation d'un espace tout en présentant un frein-vapeur et un pare-pluie. Ce dispositif d'isolation convient ainsi à l'isolation de la toiture d'un bâtiment. Cependant, ces sacs à isolant peuvent également être utilisés pour d'autres applications telles que l'isolation des caves ou des murs à ossatures bois.Such an insulation bag thus makes it possible to achieve the insulation of a space while presenting a vapor barrier and a rain screen. This insulation device is thus suitable for the insulation of the roof of a building. However, these insulation bags can also be used for other applications such as cellar insulation or wood frame walls.

Pour l'isolation de combles, les sacs à isolants peuvent par exemple être installés par l'extérieur, ou par l'intérieur, entre les liteaux et les chevrons d'une charpente, ainsi qu'entre la toiture et, par exemple, une plaque de plâtre.For the insulation of attics, the insulation bags can for example be installed from the outside, or from the inside, between the battens and rafters of a frame, as well as between the roof and, for example, a plasterboard.

Selon la méthode classique d'installation décrite précédemment, les sacs à isolant vides sont placés à l'intérieur de l'espace où ils sont destinés à réaliser l'isolation. Par la suite, un premier trou est réalisé sur l'une des membranes pour pouvoir injecter l'isolant en vrac.According to the conventional method of installation described above, the empty insulation bags are placed inside the space where they are intended to achieve the insulation. Subsequently, a first hole is made on one of the membranes to be able to inject the insulation in bulk.

Pour permettre la bonne injection de l'isolant en vrac, un ou des organes d'évacuation d'air sont créés sur les sacs à isolant. Actuellement, ces organes d'évacuation d'air sont réalisés en perçant de nouveau la membrane et en obturant le trou réalisé à l'aide d'une mousse permettant le passage de l'air et la rétention de l'isolant en vrac.To enable the injection of the bulk insulation, one or more air evacuation members are created on the insulating bags. Currently, these air evacuation members are made by piercing the membrane again and closing the hole made with a foam allowing the passage of air and the retention of the bulk insulation.

Le matériel préparatoire servant à réaliser ces sacs à isolant est classiquement présenté sous la forme de rouleau. Les deux membranes sont alors cousues sur deux bords longitudinaux et enroulées. Lors de l'utilisation et de la réalisation des sacs à isolant, les ouvriers doivent dérouler le rouleau et découper le matériel préparatoire à la longueur voulue. Par la suite, les deux bords transversaux réalisés par la découpe sont couplés de manière hermétique, par exemple à l'aide d'un ruban adhésif.The preparatory material used to make these insulating bags is conventionally presented in the form of a roll. The two membranes are then sewn on two longitudinal edges and wound. When using and producing insulation bags, workers should unroll the roll and cut the preparatory material to the desired length. Subsequently, the two transverse edges formed by the cutout are coupled hermetically, for example by means of an adhesive tape.

Un tel sac à isolant permet de réaliser une isolation de manière performante et économique. Ces sacs à isolant permettent notamment de :

  • maintenir l'isolant en vrac en place ;
  • freiner l'humidité de condensation et éviter la formation de points de rosée ;
  • protéger l'isolant de la pluie et de l'humidité permettant ainsi à cet isolant de conserver ses qualités ;
  • améliorer les performances thermiques du bâtiment isolé en réduisant les ponts thermiques et en évitant les déperditions d'air chaud.
Such an insulating bag makes it possible to achieve an efficient and economical insulation. These insulating bags make it possible to:
  • keep loose insulation in place;
  • to curb the moisture of condensation and to avoid the formation of dew points;
  • protect the insulation from rain and moisture, allowing this insulation to retain its qualities;
  • improve the thermal performance of the insulated building by reducing thermal bridges and avoiding hot air losses.

La réalisation d'une isolation à l'aide d'un sac à isolant doit cependant être réalisée avec précaution. En effet, les personnes qui réalisent l'isolation ne peuvent pas injecter de l'isolant en vrac avec un flux d'air trop important. Un tel flux d'air gonflerait trop vite le sac à isolant et risquerait de provoquer des dégâts sur les éléments entourant le sac (toiture en ardoises et/ou plaque de plâtre).However, insulation with an insulating bag must be done with care. Indeed, the people who realize the insulation can not inject loose insulation with too much air flow. Such a flow of air would inflate the insulating bag too quickly and could cause damage to the elements surrounding the bag (slate roof and / or plasterboard).

Il est ainsi nécessaire que l'injection de l'isolant en vrac soit réalisée de manière contrôlée, et particulièrement en fonction de la capacité d'évacuation d'air de l'organe d'évacuation d'air, pour éviter que le sac d'isolant n'exerce des contraintes trop importantes sur la toiture et/ou les plaques de plâtre.It is thus necessary that the injection of the loose insulation is carried out in a controlled manner, and particularly as a function of the air evacuation capacity of the air evacuation member, to prevent the bag of insulator does not exert too much stress on the roof and / or plasterboard.

Cet inconvénient freine ainsi la vitesse de réalisation d'une isolation à l'aide de tels sacs à isolants, ou implique un risque de dégradation des éléments délimitant l'espace à isoler lorsque les personnes réalisant l'isolation injectent toutefois l'isolant en vrac à la vitesse maximale que leur appareil à injection leur permet.This disadvantage thus hinders the speed of achieving insulation using such insulating bags, or involves a risk of degradation of the elements delimiting the space to be insulated when the persons carrying out the insulation inject the insulation in bulk. at the maximum speed that their injection device allows them.

L'invention a pour objectif de pallier les inconvénients de l'art antérieur.The invention aims to overcome the disadvantages of the prior art.

Plus précisément, l'invention a pour objectif de proposer une solution d'isolation à l'aide de sacs à isolant qui puisse être mise en place rapidement.More specifically, the invention aims to provide an insulation solution with the aid of insulating bags that can be implemented quickly.

L'invention a également pour objectif de proposer une telle solution dans laquelle la mise en place des sacs à isolant présente un risque inférieur de dégradation des éléments entourant le sac par rapport à celui qui existe lors de la mise en place des sacs à isolant classiques présentés par l'art antérieur.The invention also aims to provide such a solution in which the introduction of the insulating bags has a lower risk of degradation of the elements surrounding the bag compared to that which exists during the introduction of conventional insulation bags. presented by the prior art.

Ces objectifs, ainsi que d'autres qui apparaîtront par la suite, sont atteints grâce à l'invention qui a pour objet un matériel préparatoire pour former un sac à isolant s'étendant longitudinalement sur une hauteur H selon un axe longitudinal L du matériel préparatoire, sous forme d'un sac souple apte à contenir un isolant injecté grâce à un flux d'air, comprenant :

  • une membrane souple frein-vapeur ;
  • une membrane souple pare-pluie ;
  • un organe d'évacuation d'air,
les membranes étant couplées ensemble sur deux premiers bords opposés s'étendant selon l'axe longitudinal L, caractérisé en ce que l'organe d'évacuation d'air prend une forme oblongue qui s'étend longitudinalement de part et d'autre d'une zone médiane à mi-hauteur de la hauteur H, l'organe d'évacuation d'air présentant la forme d'une bande souple rectangulaire, et le matériel préparatoire comprend un rabat extérieur destiné à recouvrir l'organe d'évacuation d'air.These objectives, as well as others which will appear later, are achieved by virtue of the invention, which relates to a preparatory material for forming an insulating bag extending longitudinally over a height H along a longitudinal axis L of the preparatory equipment. , in the form of a flexible bag adapted to contain an insulator injected by means of a flow of air, comprising:
  • a flexible vapor barrier membrane;
  • a flexible membrane rainscreen;
  • an air evacuation member,
the membranes being coupled together on two opposite first edges extending along the longitudinal axis L, characterized in that the air evacuation member takes an oblong shape which extends longitudinally on either side of a mid-height zone of the height H, the air evacuation member having the shape of a rectangular flexible strip, and the Preparatory material includes an outer flap for covering the air outlet member.

Grâce à l'invention, un sac isolant formé à partir du matériel préparatoire peut être rempli d'un isolant en vrac injecté grâce à un flux d'air avec un faible risque d'éclatement du sac à isolant à cause dudit flux d'air. En conséquence, l'isolant en vrac peut être injecté dans le sac à isolant à l'aide d'un appareil à injection réglé à sa vitesse maximum.Thanks to the invention, an insulating bag formed from the preparatory material can be filled with a bulk insulator injected through a flow of air with a small risk of bursting the insulating bag because of said air flow. . As a result, the bulk insulation can be injected into the insulation bag by means of an injection apparatus set at its maximum speed.

En effet, l'organe d'évacuation d'air qui s'étend longitudinalement sur une longueur au moins égale à celle des membranes (et donc selon une longueur au moins égale à celle du sac à isolant formé) permet d'évacuer un surplus d'air à toute étape de remplissage du sac souple par l'isolant en vrac.Indeed, the air evacuation member which extends longitudinally over a length at least equal to that of the membranes (and therefore with a length at least equal to that of the insulating bag formed) allows to evacuate a surplus air at any step of filling the flexible bag with loose insulation.

Plus précisément, pour l'injection de l'isolant, un trou doit être réalisé dans le sac à isolant. Ensuite, un tuyau flexible est inséré à l'intérieur du sac souple par l'intermédiaire du trou réalisé jusqu'à une extrémité interne dudit sac. L'isolant est alors injecté et le tuyau souple est progressivement retiré de manière à ce que l'isolant en vrac se répartisse correctement du fond du sac jusqu'à l'endroit où le trou a été réalisé.More specifically, for the injection of the insulator, a hole must be made in the insulating bag. Then, a flexible hose is inserted inside the flexible bag through the hole made to an inner end of said bag. The insulation is then injected and the flexible pipe is gradually removed so that the loose insulation is distributed correctly from the bottom of the bag to the place where the hole was made.

Grâce à la conception du matériel préparatoire selon l'invention, le sac à isolant formé à partir de ce matériel présente une capacité d'évacuation d'air par l'organe d'évacuation d'air qui est moins impactée par la présence de l'isolant en vrac comparativement à la capacité d'évacuation d'air d'un sac à isolant classique selon l'art antérieur.Thanks to the design of the preparatory equipment according to the invention, the insulating bag formed from this material has a capacity for evacuation of air by the air evacuation member which is less affected by the presence of the air. bulk insulation compared to the air evacuation capacity of a conventional insulating bag according to the prior art.

En conséquence, lors de la réalisation d'une isolation, la vitesse d'injection d'un isolant en vrac grâce à un flux d'air peut être réglée à une valeur importante sur un appareil d'injection. Ainsi, la réalisation de l'isolation à l'aide des sacs à isolant formés à partir du matériel préparatoire selon l'invention peut être réalisée plus rapidement que ce qui est permis par l'art antérieur.Accordingly, when performing insulation, the injection speed of a bulk insulator through a flow of air can be set to a large value on an injection device. Thus, the realization of the insulation using insulating bags formed from the preparatory equipment according to the invention can be performed more quickly than is allowed by the prior art.

De manière complémentaire, l'organe d'évacuation d'air est directement présenté par le matériel préparatoire, et il n'est pas nécessaires aux personnes réalisant l'installation de l'isolation de créer l'organe d'évacuation d'air sur le sac souple formé à partir du matériel préparatoire.In a complementary manner, the air evacuation member is directly presented by the preparatory equipment, and it is not necessary for the persons carrying out the installation of the insulation to create the air evacuation member on the floor. the flexible bag formed from the preparatory material.

Le rabat extérieur permet d'obturer l'organe d'évacuation d'air une fois que le sac à isolant a été rempli. En effet, quand le sac à isolant est rempli, il s'intègre parfaitement dans l'espace à isoler où il est préalablement inséré. Le rabat extérieur se positionne alors complètement sur l'organe d'évacuation d'air.The outer flap closes the air evacuation member once the insulating bag has been filled. Indeed, when the insulating bag is filled, it fits perfectly in the space to isolate where it is previously inserted. The outer flap is then positioned completely on the air outlet member.

Préférentiellement, l'organe d'évacuation d'air est une grille souple.Preferably, the air evacuation member is a flexible grid.

Une telle grille souple constitue une forme simple et économique de réalisation de l'organe d'évacuation d'air.Such a flexible grid is a simple and economical form of realization of the air evacuation member.

Avantageusement, l'organe d'évacuation d'air est cousu ou soudé sur le matériel préparatoire.Advantageously, the air evacuation member is sewn or welded to the preparatory equipment.

Un tel organe d'évacuation d'air est ainsi réalisé et couplé sur le matériel préparatoire de manière classique vis-à-vis de la réalisation d'un sac à isolant.Such an air evacuation member is thus produced and coupled to the preparatory equipment in a conventional manner with respect to the production of an insulating bag.

En effet, les membranes souples utilisées pour réaliser un sac à isolant sont traditionnellement cousues sur leurs bords.Indeed, the flexible membranes used to make an insulating bag are traditionally sewn on their edges.

En conséquence, l'adjonction d'un organe d'évacuation d'air grâce à une couture s'intègre alors aisément au processus de fabrication du matériel préparatoire.Consequently, the addition of an air evacuation member through a seam is then easily integrated into the process of manufacturing the preparatory material.

Selon une caractéristique préférentielle, l'organe d'évacuation d'air s'étend le long d'un premier bord.According to a preferred characteristic, the air evacuation member extends along a first edge.

Une telle position de l'organe d'évacuation d'air simplifie l'opération de remplissage d'un sac à isolant formé à partir du matériel préparatoire suivant l'invention.Such a position of the air evacuation member simplifies the filling operation of an insulating bag formed from the preparatory material according to the invention.

Selon un mode de réalisation avantageux, l'organe d'évacuation d'air est intercalé entre les deux membranes et couple ensemble les deux membranes, l'organe d'évacuation d'air formant un soufflet.According to an advantageous embodiment, the air evacuation member is interposed between the two membranes and couples together the two membranes, the air evacuation member forming a bellows.

Un tel soufflet formé par l'organe d'évacuation d'air constitue une solution particulièrement performante de réalisation de l'organe d'évacuation d'air. En effet, de cette manière les membranes souples ne sont pas fragilisées par l'adjonction sur leur surface de l'organe d'évacuation d'air (c'est-à-dire par la réalisation d'une découpe).Such a bellows formed by the air evacuation member is a particularly effective solution for producing the air evacuation member. Indeed, in this way the flexible membranes are not weakened by the addition on their surface of the air evacuation member (that is to say by performing a cut).

Avantageusement, le rabat extérieur est formé par l'une des membranes.Advantageously, the outer flap is formed by one of the membranes.

Une telle conception du rabat extérieur est particulièrement économique.Such a design of the outer flap is particularly economical.

L'invention a également pour objet un sac à isolant sous forme de sac souple apte à contenir un isolant injecté grâce à un flux d'air, caractérisé en ce qu'il est formé à partir d'un matériel préparatoire tel que décrit précédemment, les membranes du matériel préparatoire étant couplées ensemble sur deux deuxièmes bords opposés s'étendant selon un axe transversal du matériel préparatoire.The subject of the invention is also an insulating bag in the form of a flexible bag capable of containing an insulator injected by means of a flow of air, characterized in that it is formed from a preparatory material as described above, the membranes of the preparatory material being coupled together on two opposite second edges extending along a transverse axis of the preparatory material.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation préférentiel de l'invention, donné à titre d'exemple illustratif et non limitatif, et des dessins annexés parmi lesquels :

  • la figure 1 est une représentation du matériel préparatoire selon l'invention, découpé pour former un sac à isolant ;
  • la figure 2 est une représentation du matériel préparatoire selon l'invention, sous forme de rouleau et à découper selon la longueur désirée ;
  • la figure 3 est une représentation schématique du matériel préparatoire au niveau de l'organe d'évacuation d'air ;
  • la figure 4 est une représentation schématique selon une coupe transversale d'un sac d'isolants selon l'invention, rempli par un isolant en vrac.
Other characteristics and advantages of the invention will emerge more clearly on reading the following description of a preferred embodiment of the invention, given by way of illustrative and nonlimiting example, and the appended drawings among which:
  • the figure 1 is a representation of the preparatory material according to the invention, cut to form an insulating bag;
  • the figure 2 is a representation of the preparatory material according to the invention, in the form of a roll and to be cut according to the desired length;
  • the figure 3 is a schematic representation of the preparatory equipment at the level of the exhaust air member;
  • the figure 4 is a schematic representation in cross section of a bag of insulators according to the invention, filled with a bulk insulator.

En référence à la figure 1, un sac à isolant 1 prend la forme d'un sac souple. Ce sac à isolant 1 est formé à partir d'un matériel préparatoire 2. Tel qu'illustré sur la figure 1, le sac à isolant 1 s'étendant longitudinalement sur une hauteur H selon un axe longitudinal L du matériel préparatoire.With reference to the figure 1 , an insulating bag 1 takes the form of a flexible bag. This insulating bag 1 is formed from a preparatory material 2. As illustrated on the figure 1 , the insulating bag 1 extending longitudinally over a height H along a longitudinal axis L of the preparatory equipment.

Ce matériel préparatoire 2 comprend :

  • une membrane souple frein-vapeur 30 ;
  • une membrane souple pare-pluie 31 ;
  • un organe d'évacuation d'air 5.
This preparatory material 2 includes:
  • a flexible vapor barrier membrane 30;
  • a flexible membrane rain cover 31;
  • an air evacuation member 5.

Les membranes sont couplées ensemble sur deux premiers bords 4 opposés, qui s'étendent selon un axe longitudinal L du matériel préparatoire 2.The membranes are coupled together on two first opposite edges 4, which extend along a longitudinal axis L of the preparatory material 2.

Pour former le sac à isolant 1, les membranes sont également couplées ensemble sur deux deuxièmes bords 6 opposées, qui s'étendent selon un axe transversal T du matériel préparatoire.To form the insulating bag 1, the membranes are also coupled together on two opposite second edges 6, which extend along a transverse axis T of the preparatory equipment.

Les deux premiers bords 4 sont classiquement cousus ou soudés ensemble. Les deux deuxièmes bords 6, sont quant à eux couplés à l'aide d'un ruban adhésif.The first two edges 4 are conventionally sewn or welded together. The second two edges 6, for their part are coupled using an adhesive tape.

Au stade de matériel préparatoire 2, les membranes sont seulement couplées ensemble sur leurs deux premiers bords 4 opposés. En effet, tel que représenté sur la figure 2, le matériel préparatoire peut se présenter initialement sous la forme d'un rouleau qui doit être découpé à la longueur désirée par les installateurs du sac à isolant en fonction de l'espace à isoler.At the stage of preparatory material 2, the membranes are only coupled together on their first two opposite edges 4. Indeed, as represented on the figure 2 , the preparatory material may initially be in the form of a roll which must be cut to the desired length by the installers of the insulating bag according to the space to be insulated.

Selon le principe de l'invention, l'organe d'évacuation d'air prend une forme oblongue qui s'étend longitudinalement de part et d'autre d'une zone médiane à mi-hauteur de la hauteur H.According to the principle of the invention, the air evacuation member takes an oblong shape which extends longitudinally on either side of a median zone halfway up the height H.

Tel qu'illustré par les figures 1 et 2, l'organe d'évacuation d'air 5 s'étend le long d'un premier bord 4.As illustrated by Figures 1 and 2 the air evacuation member 5 extends along a first edge 4.

En référence à la figure 3, l'organe d'évacuation d'air 5 est une grille souple 50. Cet organe d'évacuation d'air 5 est cousu ou soudé sur le matériel préparatoire 2.With reference to the figure 3 , the air evacuation member 5 is a flexible grid 50. This air evacuation member 5 is sewn or welded to the preparatory equipment 2.

Plus précisément, tel qu'illustré par cette figure, l'organe d'évacuation d'air 5 est intercalé entre les deux membranes et couple ensemble la membrane souple frein-vapeur 30 et la membrane souple pare-pluie 31. Cet organe d'évacuation d'air 5 forme ainsi un soufflet.More precisely, as illustrated by this figure, the air evacuation member 5 is interposed between the two membranes and couples together the flexible vapor-braking membrane 30 and the flexible rain-barrier membrane 31. air evacuation thus forms a bellows.

Tel qu'illustré par la figure 3 et par la figure 4, le matériel préparatoire comprend un rabat extérieur 310 qui est destiné à recouvrir l'organe d'évacuation d'air 5.As illustrated by figure 3 and by figure 4 , the preparatory equipment comprises an outer flap 310 which is intended to cover the air evacuation member 5.

Selon le présent mode de réalisation, ce rabat extérieur 310 est formé par l'une des membranes. Plus précisément, ce rabat extérieur est formé par la membrane souple pare-pluie 31.According to the present embodiment, this outer flap 310 is formed by one of the membranes. More specifically, this outer flap is formed by the flexible rain-barrier membrane 31.

En référence à la figure 3, l'organe d'évacuation d'air 5 présente notamment la forme d'une bande souple rectangulaire. Cette bande souple est couplée :

  • le long d'une première extrémité longitudinale, avec une première couture longitudinale 501, à la membrane souple frein-vapeur 30 ;
  • le long de la deuxième extrémité longitudinale opposée à la première, avec une deuxième couture longitudinale 502, à la membrane souple pare-pluie 31, de manière décalée.
With reference to the figure 3 , the air evacuation member 5 has in particular the form of a rectangular flexible strip. This flexible band is coupled:
  • along a first longitudinal end, with a first longitudinal seam 501, to the flexible vapor barrier membrane 30;
  • along the second longitudinal end opposite the first, with a second longitudinal seam 502, to the flexible rain membrane 31, staggered.

La membrane souple frein-vapeur 30 est cousue elle aussi sur son extrémité.The flexible vapor barrier membrane 30 is also sewn on its end.

Pour la membrane souple pare-pluie, la bande rectangulaire de l'organe d'évacuation d'air 5 est cependant cousue en retrait de l'extrémité de la membrane souple pare-pluie. De cette manière, un rabat extérieur 310 est formé par la membrane souple pare-pluie.For the rain-proof flexible membrane, however, the rectangular band of the air evacuation member 5 is sewn back from the end of the flexible rain-barrier membrane. In this way, an outer flap 310 is formed by the flexible rainscreen membrane.

Ce rabat extérieur tend à se positionner sur l'organe d'évacuation d'air lors du remplissage du sac à isolant.This outer flap tends to be positioned on the air evacuation member during the filling of the insulating bag.

Tel qu'illustré par la figure 4, le sac à isolant 1 est préalablement inséré à l'intérieur d'un espace délimité par une structure 7. Lorsque le sac à isolant 1 formé par le matériel préparatoire 2 est rempli d'un isolant 10 par insufflation à forte densité, les membranes se tendent et le rabat 310, en se positionnant dans la continuité de la membrane souple pare-pluie 31, se positionne sur l'organe d'évacuation d'air 5.As illustrated by figure 4 , the insulating bag 1 is inserted beforehand inside a space delimited by a structure 7. When the insulating bag 1 formed by the preparatory material 2 is filled with an insulator 10 by high-density insufflation, the membranes are stretched and the flap 310, positioning itself in the continuity of the flexible membrane rain cover 31, is positioned on the air outlet member 5.

Une fois le sac à isolant complètement rempli, ce dernier épouse alors complètement l'espace formé par la structure 7. A ce moment, le rabat 310 se place naturellement sur l'organe d'évacuation d'air 5.Once the insulating bag completely filled, the latter then completely marries the space formed by the structure 7. At this time, the flap 310 is naturally placed on the air evacuation member 5.

La structure 7 doit pouvoir maintenir les sacs à isolant sur ses côtés.The structure 7 must be able to keep the insulation bags on its sides.

Il se peut que plusieurs sacs à isolant soient nécessaires pour isoler un espace délimité par la structure. Dans ce cas, pour permettre la jonction de plusieurs sacs à isolant entre eux, ces sacs doivent être correctement positionnés les uns par rapport aux autres, et l'isolant en vrac doit être injecté à forte densité (de 30 à 60 kg.m-3 selon les isolants). Une jonction correctement réalisée permet de faire disparaître les ponts thermiques.Several insulation bags may be required to isolate a space defined by the structure. In this case, to enable joining several bags insulator between them, these bags must be correctly positioned with each other, and the loose fill insulation is to be injected at high density (30 to 60 kg.m - 3 depending on the insulators). A properly completed junction allows to remove the thermal bridges.

La membrane souple pare-pluie est notamment du type hautement perméable à la vapeur d'eau.The flexible rain-barrier membrane is in particular of the type highly permeable to water vapor.

A titre indicatif, la membrane souple pare-pluie peut présenter une valeur de résistance à la diffusion de la vapeur (Sd) égale à 0,02 m, une résistance à la température de -40°C à 80°C et un poids de 130 g.m-2. Quant à elle, la membrane souple frein-vapeur peut présenter une valeur de résistance à la diffusion de la vapeur (Sd) égale à 5 m, une résistance à la température de -40°C à 80°C et un poids de 140 g.m-2.As an indication, the flexible rain-barrier membrane may have a vapor diffusion resistance value (Sd) equal to 0.02 m, a temperature resistance of -40 ° C to 80 ° C and a weight of 130 gm -2 . For its part, the flexible vapor barrier membrane may have a vapor diffusion resistance value (Sd) equal to 5 m, a temperature resistance of -40 ° C to 80 ° C and a weight of 140 gm -2 .

Claims (7)

Matériel préparatoire (2) pour former un sac à isolant (1) s'étendant longitudinalement sur une hauteur H selon un axe longitudinal L du matériel préparatoire, sous forme d'un sac souple apte à contenir un isolant (10) injecté grâce à un flux d'air, comprenant : - une membrane souple frein-vapeur (30) ; - une membrane souple pare-pluie (31) ; - un organe d'évacuation d'air (5), les membranes étant couplées ensemble sur deux premiers bords (4) opposés s'étendant selon l'axe longitudinal L,
caractérisé en ce que l'organe d'évacuation d'air prend une forme oblongue qui s'étend longitudinalement de part et d'autre d'une zone médiane à mi-hauteur de la hauteur H, l'organe d'évacuation d'air (5) présentant la forme d'une bande souple rectangulaire,
et en ce que le matériel préparatoire comprend un rabat extérieur (310) destiné à recouvrir l'organe d'évacuation d'air (5).Preparatory material (2) for forming an insulating bag (1) extending longitudinally over a height H along a longitudinal axis L of the preparatory material, in the form of a flexible bag adapted to contain an insulator (10) injected by means of a air flow, comprising: a flexible vapor barrier membrane (30); a flexible rainscreen membrane (31); an air evacuation member (5), the membranes being coupled together on two opposite first edges (4) extending along the longitudinal axis L,
characterized in that the air outlet member takes an oblong shape which extends longitudinally on either side of a median zone halfway up the height H, the discharge member of air (5) having the shape of a rectangular flexible band,
and in that the preparatory material comprises an outer flap (310) for covering the air evacuation member (5). Matériel préparatoire (2) selon la revendication précédente, caractérisé en ce que l'organe d'évacuation d'air (5) est une grille souple (50).Preparatory material (2) according to the preceding claim, characterized in that the air discharge member (5) is a flexible grid (50). Matériel préparatoire (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe d'évacuation d'air (5) est cousu ou soudé sur le matériel préparatoire.Preparatory material (2) according to any one of the preceding claims, characterized in that the air outlet member (5) is sewn or welded to the preparatory material. Matériel préparatoire (2) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe d'évacuation d'air (5) s'étend le long d'un premier bord (4).Preparatory material (2) according to one of the preceding claims, characterized in that the air outlet member (5) extends along a first edge (4). Matériel préparatoire (2) selon la revendication 4, caractérisé en ce que l'organe d'évacuation d'air (5) est intercalé entre les deux membranes et couple ensemble les deux membranes, l'organe d'évacuation d'air formant un soufflet.Preparatory material (2) according to claim 4, characterized in that the air outlet member (5) is interposed between the two membranes and couple together the two membranes, the air outlet member forming a bellows. Matériel préparatoire (2) selon la revendication 5, caractérisé en ce que le rabat extérieur (310) est formé par l'une des membranes.Preparatory material (2) according to claim 5, characterized in that the outer flap (310) is formed by one of the membranes. Sac à isolant (1) sous forme de sac souple apte à contenir un isolant (10) injecté grâce à un flux d'air, caractérisé en ce qu'il est formé à partir d'un matériel préparatoire (2) selon l'une quelconque des revendications 1 à 6, les membranes du matériel préparatoire étant couplées ensemble sur deux deuxièmes bords (6) opposés s'étendant selon un axe transversal T du matériel préparatoire.Insulating bag (1) in the form of a flexible bag adapted to contain an insulator (10) injected by means of a flow of air, characterized in that it is formed from a preparatory material (2) according to one of any one of claims 1 to 6, the membranes of the preparatory material being coupled together on two opposite second edges (6) extending along a transverse axis T of the preparatory material.
EP17206832.2A 2017-01-03 2017-12-12 Preparatory material for producing an insulating bag, comprising an air outlet device Active EP3342946B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1750046A FR3061483B1 (en) 2017-01-03 2017-01-03 PREPARATORY MATERIAL FOR THE REALIZATION OF AN INSULATION BAG, INCLUDING AN AIR EXHAUST SYSTEM

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EP3342946B1 EP3342946B1 (en) 2021-11-17

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2912795A1 (en) * 1979-03-30 1980-10-02 Perlite Daemmstoff Pitched roof insulation with rafter cavity - involves pneumatic injection of granular vermiculite into expandable socks placed between rafters
DE19950139A1 (en) * 1999-10-18 2001-04-19 Wilmsen Gmbh & Co Handels Kg Locatable structural element comprises flexible top and bottom strips of material proof against gas acid fluid and tearing held spaced by interposed spacers plus outermost spacer flange areas both ends.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2912795A1 (en) * 1979-03-30 1980-10-02 Perlite Daemmstoff Pitched roof insulation with rafter cavity - involves pneumatic injection of granular vermiculite into expandable socks placed between rafters
DE19950139A1 (en) * 1999-10-18 2001-04-19 Wilmsen Gmbh & Co Handels Kg Locatable structural element comprises flexible top and bottom strips of material proof against gas acid fluid and tearing held spaced by interposed spacers plus outermost spacer flange areas both ends.

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FR3061483A1 (en) 2018-07-06
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