EP3246490A1 - Method and device for injecting injected material into insulating material chambers of components - Google Patents
Method and device for injecting injected material into insulating material chambers of components Download PDFInfo
- Publication number
- EP3246490A1 EP3246490A1 EP17171204.5A EP17171204A EP3246490A1 EP 3246490 A1 EP3246490 A1 EP 3246490A1 EP 17171204 A EP17171204 A EP 17171204A EP 3246490 A1 EP3246490 A1 EP 3246490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulation
- binder
- chamber
- insulating
- blow
- 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
Links
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/085—Mechanical implements for filling building cavity walls with insulating materials
Definitions
- the present invention relates to a method and apparatus for blowing Einblasdämmstoff in insulation chambers of components and a device according to the preambles of the independent claims.
- the Applicant an apparatus and a method for dry blowing, in which the insulating chambers covered with a cover and a Einglallstutzen a Einblasdämmstoff is injected into the insulation chamber.
- the covering element is provided with an air-permeable membrane, through which the injected air can escape. After filling, the chamber is closed.
- the disadvantage is that the injected insulation material is loosely in the chamber and can escape through openings, especially in case of fire.
- the WO 2005/007984 A1 discloses an insulation as well as a method for applying an insulating layer, in which cellulose fibers are injected into an open wall or ceiling chamber.
- the cellulose fibers are wetted before being applied to the wall or ceiling. If the cellulosic material is already mixed with an adhesive, wetting with water is sufficient, otherwise is wetted with a liquid binder. It forms a mass which adheres to the wall or ceiling and can form an insulating layer.
- the disadvantage is that in such a spraying process excess fiber material also precipitates outside of the insulating chamber to be filled, which subsequently has to be removed. In addition, the surface of the insulation layer thus obtained is not flat and must be reworked accordingly.
- blow-in insulation means any type of loose insulating material which can be blown in by means of a blowing device.
- natural insulation fibers such as cellulose fibers, wood fibers, wood chips, wool, straw, hemp, flax, miscanthus, but also mineral fibers such as glass wool, rock wool.
- a blow-in insulating material is also understood as meaning polystyrene balls, airgel, foam chips and similar insulating materials.
- insulation chambers are arranged in components to raise, for example, a house or a production hall of prefabricated elements faster.
- the device forms e.g. a wall, a floor, a roof of a building to be built or parts of it.
- these insulation chambers usually consist of a wood, wood fiber, gypsum or wood composite panel as the rear wall and are both left and right, as well as above and below by a lateral boundary element, usually a wooden rafters, a post or a bar limited.
- a planking which also usually consists of a wood, wood fiber, gypsum or wood composite board.
- a foil e.g. used as a vapor barrier.
- Such insulating chambers are used in various sizes, usually they have a center distance of 62.5 cm and a height of up to 3.0 m.
- the cover used to cover the insulating chamber to be filled is preferably a Einblasplatte, similar to the patent application EP 2 333 198 A1 the applicant described. Accordingly, the filler neck can be integrated in this cover. It goes without saying that this not only a single filler neck but also a plurality of distributed over the base of the insulation chamber filler neck can be present.
- the introduction of the binder in the insulation chamber can be done simultaneously with the blowing of the Einblasdämmstoffes. However, it is also conceivable that the binder and the Einblasdämmstoff be introduced in an alternating manner. In this case, the binder can be introduced through the same filler neck as the Einblasdämmstoff or by separate filling elements.
- the filled insulation chamber is closed after removing the cover or the injection plate, for example, with a wood, wood fiber plaster or wood composite board.
- the activation can take place before or after the closure of the insulation chamber.
- blow-in insulation can connect to the side walls of the insulation chamber and stick together. Likewise, a bond can be made under the individual insulating particles or Dämmstoffmaschinen. It is formed a continuous insulating element, so that even in a fire after burning through the outer closure plate falling out of the Einblasdämmstoffes is prevented. If the corresponding blowing insulation is additionally treated flame retardant, thus an efficient and low-cost fire barrier can be formed.
- the blowing insulation and the binder can be mixed before and / or during the injection into the insulation chamber.
- Liquid binders are preferably mixed with the blow-in insulation during blowing into the insulation chamber, while solid or dry binders are preferably mixed with the blow-in insulation prior to blowing.
- spray nozzles are used, which inject the binder in the laden with the blow-in airflow.
- the blow-in insulation can thus be wetted on all sides by a suitable arrangement of the spray nozzles, so that it connects in the insulation chamber with each other and with the side walls of the insulation chamber.
- a solid or dry binder this is preferably already attached to the Einblasdämmstoff via a metering system of a blowing device.
- the mixing can take place in a separate mixer and / or in the supply lines needed for blowing.
- the binder can be introduced in solid and / or liquid form.
- a liquid binder is preferably admixed during injection so that clogging in the supply hoses is prevented.
- binder and blowing insulator also determines the manner of activating the binder.
- the binder may also be naturally contained in the blow-in insulation and injected simultaneously with it, e.g. Lignin in cellulose insulation.
- Activation of the binder may be by temperature and / or vibration and / or chemical and / or pressure.
- liquid binders in particular water-based binders
- mixing with the blow-in insulating material and the drying process that begins with it are already understood as activating.
- Activation of a dry binder, e.g. Lignin or paste, with water is also understood as chemical activation.
- the activation of the binder can take place in a boundary layer and / or the entire thickness of the insulation chamber. So it is conceivable with thick insulation chambers that the activation of the binder takes place only in a peripheral layer. Accordingly, a solidified edge structure is formed in the insulation chamber, which surrounds the enclosed loose insufflation material contained therein and also holds in case of fire. If the activation of the binder takes place in the entire thickness of the insulating chamber, the entire blowing-in insulating layer is correspondingly solidified and bonded. Falling out of a portion of Einblasdämmstoffes is impossible.
- An inventive device for blowing Einblasdämmstoff in insulation chambers of components has a cover for at least partially covering the insulation chamber and at least one filler neck for introducing a Einblasdämmstoffes in the insulation chamber.
- the apparatus further comprises at least one wetting device for wetting a boundary surface of the insulation chamber and / or a surface of a layer of blown insulating material blown into the insulation chamber with a binder.
- Such a device is used, for example, to spray a liquid binder before filling the Einblasdämmstoffes in the insulating chamber to be filled and to wet their inner boundary surfaces.
- the introduced Einblasdämmstoff can be wetted in the insulation chamber to form a binding and solidified edge layer of Einblasdämmstoffes.
- an inventive device for blowing Einblasdämmstoff in insulation chambers of components on a cover for at least partially covering the Dämmstoffsch and at least one filler neck for introducing a mixture of inlet insulation and binder in the insulation chamber.
- the device further comprises an activation element in order to activate the binder and to connect the injection insulation material to one another and / or to the boundary surfaces of the insulation material chamber.
- the apparatus may include a mixer for mixing the blowing insulant and the binder.
- a mixer for mixing the blowing insulant and the binder.
- Such a mixer precedes, for example, the use of solid or dry binder of a blowing device. Accordingly, the device already blown in the complete mixture of blowing insulation and binder.
- the mixer can be arranged for mixing the injection insulation material and the preferably liquid binder in the filler neck.
- a mixer provided with spray nozzles filler neck.
- the spray nozzles are aligned so that a liquid binder is directed onto the current flowing through the Ein Shellstutzen Einblasdämmstoff and the Einblasdämmstoff is appropriately wetted with the binder.
- injection needles When using injection needles as activation elements they are preferably retractable and / or extendable arranged in the cover. By retractable and / or extendable arrangement of the blown Einblasdämmstoff or the corresponding binder can be activated in different depths of the insulation chamber. Once the activation has taken place, the injection needle can be sunk in the cover, so that a uniform formation of the surface of the Einblasdämmschers is made possible in the insulation chamber.
- an alternating magnetic field is preferably generated in the frequency range between 20 kHz and 100 kHz.
- the corresponding induction loop or induction loops can be integrated in the cover and / or on the support table of the insulation chamber or the component.
- high-frequency antennas When using high-frequency antennas as activating element preferably microwave radiation in the frequency range of 0.9 GHz to 3 GHz is used. These high-frequency antennas can also be integrated in the cover element and / or the support table for the insulation chambers or the component.
- infrared transmitters When using infrared transmitters for activation, preferably an infrared radiation in the range of 780 nm to 3,000 nm is emitted.
- infrared transmitters can be mounted in the cover element or in its surface, but also on injection needles or even on the support table.
- the device may comprise a kind of activation furnace, which is spatially separated from the blowing step.
- Another object of the present invention is to provide a device that meets increased fire requirements.
- Another invention relates to a device for meeting increased fire requirements.
- An inventive component comprises at least one insulation chamber, which is defined by a front wall, a rear wall and laterally by limiting elements.
- the insulation chamber is filled with a Einblasdämmstoff.
- This blow-in insulating material is preferably introduced by a previously described method and / or by means of a previously described device.
- the density of the injected insulating material is less than 50 kg / m 3 , preferably less than 45 kg / m 3 , particularly preferably less than 40 kg / m 3 . It goes without saying that the said density is a density which is settling safe.
- the density will no longer change over time, the injected insulation material will not collapse and accordingly form no cavities within the insulation chamber.
- This settlement safety at a lower density is made possible by the binder, which connects the individual particles of Einblasdämmstoffes with each other and with the boundary elements of the insulation chamber.
- a component according to the invention in a further embodiment comprises at least one insulation chamber, which passes through a front wall, a rear wall and laterally by delimiting elements is defined.
- the insulation chamber is filled with a Einblasdämmstoff and additionally has a non-combustible retaining element, which is arranged between Einblasdämmstoff and the front wall and / or between Einblasdämmstoff and the rear wall.
- this retaining element may cover a complete rear wall or front wall of the component and be firmly connected to this in a previous step.
- the blowing insulation is preferably introduced by a previously described method and / or by means of a previously described device.
- the retention element meets the common fire requirements according to standard VKF fire protection guidelines RF1 or RF2 or is classified according to EN 13501-1: 2010-01 as shown in the following table: Fire behavior group VKF Classification EN 13501-1 for construction products RF1 A1 A2-s1, d0 RF2 A2-s1, d1 A2-s2, d0 A2-s2, d1 B-s1, d0 B-s1, d1 B-s2, d0 B-s2, d1 C-s1, d0 C-s1, d1 C-s2, d0 C-s2, d1
- the entire component with insulation chambers meets the above-mentioned fire requirements.
- FIG. 1 shows a perspective view of a device 30 to be filled with insulation chambers 31.
- This insulation chambers are formed by a rear wall 34 and laterally arranged limiting elements 35.
- the illustrated component 30 comprises three such insulating chambers 31. After filling the insulating chambers 31, the component 30 is usually closed with a front wall (not shown).
- FIG. 2 shows a perspective view of the device 30 from FIG. 1 wherein an insulation chamber is covered by a cover 10 of an inventive device. From the component 30, two insulation chambers 31 are still visible, which are laterally defined by limiting elements 35. These insulation chambers 31 are already filled with a blow-in insulation 20 and the corresponding binder 21. The surface 23 of the filled Einblasdämmstoffes is flat, since this was limited during filling by the corresponding cover member 10.
- the cover 10 has on its upper side a connecting device to be connected by means of a supply hose with a corresponding blowing-in machine and a metering device.
- This connecting device is divided in the cover shown in two filler neck 11, which in the following FIG. 3 continue to run.
- FIG. 3 shows a perspective view from below of the cover 10 from the FIG. 2 .
- two filler necks 11 are recognizable as openings through which the Einblasdämmstoff bioblasende and at most the binder are blown into the insulation chamber.
- a plurality of activation elements 12 which are formed as injection needles 15 in the illustrated embodiment.
- These injection needles 15 are from the surface of the Underside of the cover 10 and are at best retractable and extendable.
- the injection needles 15 can be pierced in a filled insulation chamber in the Einblasdämmstoff so that the binder contained in the filled inlet insulation can be activated for example with hot steam or hot air.
- a liquid and / or vaporous binder can be introduced and activated during and / or after filling with the blow-in insulating material.
- the blow-in insulation combines with the binder to form a compact mass.
- a connection to the lateral boundary elements and to the rear wall of the insulation chamber is achieved.
- these injection needles 15 can be extended to different extents. It is also conceivable, for example, for the injection needles to retract continuously from a maximally extended position, while the injection insulation material and the binder are charged with hot steam and / or hot air. Thus, an activation of the binder can be carried out continuously over the entire thickness of the insulation chamber.
- the activation element 12 is not designed as an injection needle, but possibly as an induction loop, radio-frequency antenna, infrared transmitter, etc.
- the specific embodiment of the activation element is dependent on the binding agent, which is to be used and activated in the specific case.
- the activation element 12 merely represents a wetting device which, before filling the insulation chamber, sprays the rear wall and the lateral boundary elements with a binder or adhesive so that the blown-in insulation material bonds to these elements.
- the number of activation elements 12 of the cover 10 according to the size and / or the technology used.
- FIG. 4 shows a schematic representation of a section through a device 30 with three insulation chambers 31, 31 ', 31 "with differently activated Einblasdämmstoffen 20, 20', 20" and corresponding binders.
- the insulation chamber 31 shows a blow-in insulation 20, which was activated with the corresponding binder over the entire thickness 25.
- the insulation chambers are in turn formed by a front wall 33, the rear wall 34 and corresponding lateral boundary elements 35.
- the insulation chamber 31 "has a loose Einblasdämmstoff 20", possibly with a corresponding binder. However, the binder was not activated here.
- a retainer 37 in the form of a non-woven covering the front wall 33 and the rear wall 34 on the inside. In the event of a fire, after blowing through the front wall 33 and / or the rear wall 34, this retaining element 37 will prevent the loose blow-in insulation 20 "from falling out ..
- the blow-in insulation may also be provided with binder and the binder activated thus no longer loose before, it results in additional fire protection.
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Abstract
Vorrichtung zum Einblasen von Einblasdämmstoff (20) in Dämmstoffkammern (31) von Bauelementen (30) mit einem Abdeckelement (10) zum wenigsten teilweisen Abdecken einer Dämmstoffkammer (31) und mindestens einem Einfüllstutzen (11) zum Einbringen eines Gemisches aus Einblasdämmstoff (20) und Bindemittel (21) in die Dämmstoffkammer (31), wobei die Vorrichtung ein Aktivierungselement aufweist, um das Bindemittel (21) zu aktivieren.Device for injecting blow-in insulation (20) into insulating chambers (31) of components (30) with a cover element (10) for at least partially covering an insulation chamber (31) and at least one filler neck (11) for introducing a mixture of blow-in insulation (20) and Binder (21) in the insulation chamber (31), wherein the device comprises an activating element to activate the binder (21).
Description
Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zum Einblasen von Einblasdämmstoff in Dämmstoffkammern von Bauelementen sowie ein Bauelement gemäss den Oberbegriffen der unabhängigen Ansprüche.The present invention relates to a method and apparatus for blowing Einblasdämmstoff in insulation chambers of components and a device according to the preambles of the independent claims.
Aus dem Stand der Technik sind verschiedene Verfahren und Vorrichtungen zum Einblasen von Einblasdämmstoffen in Dämmstoffkammern bekannt. Dabei wird grundsätzlich unterschieden zwischen trockenem Einblasen in geschlossene Kammern und nassem Besprühen von offenen Kammern.From the prior art, various methods and devices for blowing Einblasdämmstoffen known in insulation chambers. In principle, a distinction is made between dry blowing into closed chambers and wet spraying of open chambers.
So zeigt beispielsweise die
Die
Es ist Aufgabe der Erfindung, die Nachteile des Standes der Technik zu überwinden. Insbesondere soll ein Verfahren und eine Vorrichtung zum Einblasen von Einblasdämmstoff in Dämmstoffkammern zur Verfügung gestellt werden, welche ein einfaches Einblasen und Isolieren von Dämmstoffkammern ermöglicht. Ausserdem sollen insbesondere die Dämmstoffkammer und das entsprechend ausgebildete Bauelement erhöhten Brandschutzbedingungen standhalten.It is an object of the invention to overcome the disadvantages of the prior art. In particular, a method and an apparatus for blowing Einblasdämmstoff be provided in insulation chambers, which allows a simple blowing and insulating insulation chambers. In addition, in particular the insulation chamber and the correspondingly designed component should withstand increased fire protection conditions.
Diese Aufgabe wird durch die in den unabhängigen Patentansprüchen definierten Vorrichtungen und Verfahren gelöst. Weitere Ausführungsformen ergeben sich aus den abhängigen Patentansprüchen.This object is achieved by the devices and methods defined in the independent patent claims. Further embodiments emerge from the dependent claims.
Nachfolgend wird unter dem Begriff Einblasdämmstoff jegliche Art von losen Dämmstoffen verstanden, welche mittels einer Einblasvorrichtung eingeblasen werden können. Insbesondere fallen unter diese Kategorie natürliche Dämmstofffasern, wie beispielsweise Zellulosefasern, Holzfasern, Holzspäne, Wolle, Stroh, Hanf, Flachs, Chinaschilf, aber auch Mineralfasern, wie beispielsweise Glaswolle, Steinwolle. Des Weiteren werden unter einem Einblasdämmstoff auch Polystyrolkugeln, Aerogel, Schaumstoffschnitzel und ähnliche Dämmstoffe verstanden.In the following, the term blow-in insulation means any type of loose insulating material which can be blown in by means of a blowing device. In particular fall under this category natural insulation fibers such as cellulose fibers, wood fibers, wood chips, wool, straw, hemp, flax, miscanthus, but also mineral fibers such as glass wool, rock wool. Furthermore, a blow-in insulating material is also understood as meaning polystyrene balls, airgel, foam chips and similar insulating materials.
Unter einer Dämmstoffkammer wird eine im Endzustand allseitig geschlossene Kammer verstanden. Üblicherweise sind solche Dämmstoffkammern in Bauelementen angeordnet, um beispielsweise ein Haus oder eine Produktionshalle aus vorgefertigten Elementen schneller aufrichten zu können. Das Bauelement bildet z.B. eine Wand, einen Boden, ein Dach von einem zu erstellenden Gebäude oder Teile davon. Entsprechend bestehen diese Dämmstoffkammern meist aus einer Holz-, Holzfaser-, Gips- oder Holzverbundplatte als Rückwand und sind sowohl links und rechts, als auch oben und unten durch ein seitliches Begrenzungselement, meist ein Holzsparren, ein Pfosten oder eine Latte, begrenzt. Nach dem Befüllen werden die Dämmstoffkammern üblicherweise mit einer Beplankung, welche ebenfalls meist aus einer Holz-, Holzfaser-, Gips- oder Holzverbundplatte besteht, verschlossen. Allenfalls kommt zum Verschliessen oder zusätzlich zur Beplankung eine Folie, z.B. als Dampfsperre zum Einsatz. Solche Dämmstoffkammern werden in verschiedenen Grössen verwendet, üblicherweise weisen sie einen Achsabstand von 62.5 cm und eine Höhe von bis zu 3.0 m auf.Under a Dämmstoffkammer is understood in the final state on all sides closed chamber. Usually, such insulation chambers are arranged in components to raise, for example, a house or a production hall of prefabricated elements faster. The device forms e.g. a wall, a floor, a roof of a building to be built or parts of it. Accordingly, these insulation chambers usually consist of a wood, wood fiber, gypsum or wood composite panel as the rear wall and are both left and right, as well as above and below by a lateral boundary element, usually a wooden rafters, a post or a bar limited. After filling the insulation chambers are usually closed with a planking, which also usually consists of a wood, wood fiber, gypsum or wood composite board. At best, a foil, e.g. used as a vapor barrier. Such insulating chambers are used in various sizes, usually they have a center distance of 62.5 cm and a height of up to 3.0 m.
Ein erfindungsgemässes Verfahren zum Einblasen von Einblasdämmstoffen in Dämmstoffkammern von Bauelementen umfasst die folgenden Schritte:
- Bereitstellen eines Bauelementes mit mindestens einer zu befüllenden Dämmstoffkammer,
- Abdecken der zu befüllenden Dämmstoffkammer mit einem Abdeckelement,
- Einblasen von Einblasdämmstoff durch mindestens einen Einfüllstutzen in die Dämmstoffkammer,
- Einbringen eines Bindemittels in die Dämmstoffkammer,
- Aktivieren des Bindemittels in der Dämmstoffkammer und/oder beim Einbringen in die Dämmstoffkammer.
- Providing a component with at least one insulation chamber to be filled,
- Covering the insulation chamber to be filled with a cover element,
- Blowing blowing insufflation through at least one filler neck into the insulating chamber,
- Introducing a binder into the insulation chamber,
- Activating the binder in the insulation chamber and / or when introduced into the insulation chamber.
Das zum Abdecken der zu befüllenden Dämmstoffkammer verwendete Abdeckelement ist vorzugsweise eine Einblasplatte, ähnlich wie in der Patentanmeldung
Üblicherweise wird die befüllte Dämmstoffkammer nach dem Abnehmen des Abdeckelementes bzw. der Einblasplatte verschlossen, beispielsweise mit einer Holz-, Holzfaser- Gips- oder Holzverbundplatte. Je nach verwendetem Bindemittel und der Aktivierungstechnologie kann das Aktivieren vor oder nach dem Verschliessen der Dämmstoffkammer erfolgen.Usually, the filled insulation chamber is closed after removing the cover or the injection plate, for example, with a wood, wood fiber plaster or wood composite board. Depending on the binder used and the activation technology, the activation can take place before or after the closure of the insulation chamber.
Durch das Einbringen von Einblasdämmstoff und Bindemittel in Kombination mit dem Aktivieren des Bindemittels in der Dämmstoffkammer kann sich der Einblasdämmstoff mit den Seitenwänden der Dämmstoffkammer verbinden und verkleben. Ebenso kann eine Bindung unter den einzelnen Dämmstoffpartikel oder Dämmstofffasern erfolgen. Es wird ein zusammenhängendes Dämmstoffelement gebildet, so dass selbst in einem Brandfall nach Durchbrennen der äusseren Verschlussplatte ein Herausfallen des Einblasdämmstoffes verhindert wird. Wenn der entsprechende Einblasdämmstoff zusätzlich flammhemmend behandelt ist, kann somit eine effiziente und günstig herzustellende Brandbarriere gebildet werden.By the introduction of Einblasdämmstoff and binder in combination with the activation of the binder in the insulation chamber The blow-in insulation can connect to the side walls of the insulation chamber and stick together. Likewise, a bond can be made under the individual insulating particles or Dämmstofffasern. It is formed a continuous insulating element, so that even in a fire after burning through the outer closure plate falling out of the Einblasdämmstoffes is prevented. If the corresponding blowing insulation is additionally treated flame retardant, thus an efficient and low-cost fire barrier can be formed.
Der Einblasdämmstoff und das Bindemittel können vor und/oder während dem Einblasen in die Dämmstoffkammer vermischt werden. Flüssige Bindemittel werden vorzugsweise während dem Einblasen in die Dämmstoffkammer mit dem Einblasdämmstoff vermischt, während feste oder trockene Bindemittel vorzugsweise vor dem Einblasen mit dem Einblasdämmstoff vermischt werden. Zum Vermischen von flüssigem Bindemittel beim Einblasen in die Dämmstoffkammer werden beispielsweise Sprühdüsen verwendet, welche das Bindemittel in den mit dem Einblasdämmstoff beladenen Luftstrom einblasen. Der Einblasdämmstoff kann somit durch geeignete Anordnung der Sprühdüsen allseitig benetzt werden, sodass sich dieser in der Dämmstoffkammer untereinander und mit den Seitenwänden der Dämmstoffkammer verbindet. Bei einer Verwendung von festem oder trockenem Bindemittel wird dieses vorzugsweise bereits über ein Dosiersystem einer Einblasvorrichtung dem Einblasdämmstoff beigefügt. Die Vermischung kann in einem separaten Mischer und/oder in den für das Einblasen benötigten Zufuhrleitungen erfolgen.The blowing insulation and the binder can be mixed before and / or during the injection into the insulation chamber. Liquid binders are preferably mixed with the blow-in insulation during blowing into the insulation chamber, while solid or dry binders are preferably mixed with the blow-in insulation prior to blowing. For mixing liquid binder when blowing into the insulation chamber, for example, spray nozzles are used, which inject the binder in the laden with the blow-in airflow. The blow-in insulation can thus be wetted on all sides by a suitable arrangement of the spray nozzles, so that it connects in the insulation chamber with each other and with the side walls of the insulation chamber. When using a solid or dry binder this is preferably already attached to the Einblasdämmstoff via a metering system of a blowing device. The mixing can take place in a separate mixer and / or in the supply lines needed for blowing.
Das Bindemittel kann in fester und/oder flüssiger Form eingebracht werden. Wie bereits vorgängig erwähnt, wird ein flüssiges Bindemittel vorzugsweise während dem Einblasen beigemischt, sodass in den Zuführungsschläuchen ein Verstopfen verhindert wird.The binder can be introduced in solid and / or liquid form. As previously mentioned, a liquid binder is preferably admixed during injection so that clogging in the supply hoses is prevented.
Das Bindemittel kann ausgewählt sein aus der Gruppe umfassend:
- natürliche Bindemittel, insbesondere Weissleim, Lignin, Stärke, Kleister, Wasserglas, Tannine, Hemicellulose, Saccharide usw.,
- künstliche Bindemittel, insbesondere thermoplastische Kunststoffe, Polyolefin-Fasern, Zellulose-Polymer-Verbundstoffe usw.,
- künstliche Bindemittel in Verbindung mit Metallpartikeln,
- Bindemittel, welche erst beim Vermischen zweier Stoffe beim Einbringen zum Bindemittel werden,
- Kombinationen daraus.
- natural binders, especially white glue, lignin, starch, paste, water glass, tannins, hemicellulose, saccharides, etc.,
- artificial binders, in particular thermoplastics, polyolefin fibers, cellulose-polymer composites, etc.,
- artificial binders in connection with metal particles,
- Binders which become the binder only when mixing two substances during introduction,
- Combinations thereof.
Die folgenden Saccharide können beispielsweise als Bindemittel verwendet werden, wobei mit Sorbit gute Resultate erzielt wurden:
- Galactose / D-Fructose,
- Lactose,
- Mannit,
- Palmitinsäure,
- Saccharose,
- Sorbit,
- Stärke,
- Stearinsäure,
- Stearylalkohol,
- Thymolphthalain,
- Vitamin C,
- Acetylsalcylsäure,
- Adipinsäure,
- Apfelsäure,
- Antrachinon,
- Bernsteinsäure,
- Citronensäure,
- Fumarsäure,
- Gallussäure,
- Phenolphthalain,
- Phthalsäure,
- Sorbinsäure,
- L-(+)-Weinsäure,
- Xylit,
- Calciumaluminatsulfat,
- Ettringit.
- Galactose / D-fructose,
- lactose,
- mannitol,
- palmitic acid,
- sucrose,
- sorbitol,
- Strength,
- stearic acid,
- stearyl alcohol,
- Thymolphthalain,
- Vitamin C,
- Acetylsalcylsäure,
- adipic acid,
- Malic acid,
- anthraquinone,
- Succinic acid,
- citric acid,
- fumaric acid,
- Gallic acid,
- Phenolphthalain,
- phthalic acid,
- sorbic acid,
- L - (+) - tartaric acid,
- xylitol,
- calcium aluminate,
- Ettringite.
Je nach Wahl des Einblasdämmstoffes kann auch das Bindemittel angepasst werden. Des Weiteren bestimmt die Auswahl des Bindemittels und des Einblasdämmstoffes auch die Art und Weise des Aktivierens des Bindemittels. Das Bindemittel kann auch natürlicherweise im Einblasdämmstoff enthalten und gleichzeitig mit diesem eingeblasen werden, wie z.B. Lignin in Zellulose-Dämmstoff.Depending on the choice of Einblasdämmstoffes and the binder can be adjusted. Furthermore, the choice of binder and blowing insulator also determines the manner of activating the binder. The binder may also be naturally contained in the blow-in insulation and injected simultaneously with it, e.g. Lignin in cellulose insulation.
Die Aktivierung des Bindemittels kann durch Temperatur und/oder Vibration und/oder chemisch und/oder Druck erfolgen. Bei der Verwendung von flüssigen Bindemitteln, insbesondere wasserbasierten Bindemitteln, werden bereits das Vermischen mit dem Einblasdämmstoff und der somit einsetzende Trocknungsvorgang als Aktivieren verstanden. Eine Aktivierung eines trockenen Bindemittels, z.B. Lignin oder Kleister, mit Wasser wird auch als chemische Aktivierung verstanden.Activation of the binder may be by temperature and / or vibration and / or chemical and / or pressure. When using liquid binders, in particular water-based binders, mixing with the blow-in insulating material and the drying process that begins with it are already understood as activating. Activation of a dry binder, e.g. Lignin or paste, with water is also understood as chemical activation.
Die Aktivierung des Bindemittels kann in einer Randschicht und/oder der gesamten Dicke der Dämmstoffkammer erfolgen. So ist es bei dicken Dämmstoffkammern denkbar, dass die Aktivierung des Bindemittels lediglich in einer Randschicht erfolgt. Entsprechend bildet sich in der Dämmstoffkammer eine verfestigte Randstruktur, welche den darin eingeschlossenen losen Einblasdämmstoff umgibt und im Brandfall auch festhält. Wenn die Aktivierung des Bindemittels in der gesamten Dicke der Dämmstoffkammer erfolgt, wird entsprechend die gesamte Einblasdämmstoffschicht verfestigt und gebunden. Ein Herausfallen eines Teils des Einblasdämmstoffes wird verunmöglicht.The activation of the binder can take place in a boundary layer and / or the entire thickness of the insulation chamber. So it is conceivable with thick insulation chambers that the activation of the binder takes place only in a peripheral layer. Accordingly, a solidified edge structure is formed in the insulation chamber, which surrounds the enclosed loose insufflation material contained therein and also holds in case of fire. If the activation of the binder takes place in the entire thickness of the insulating chamber, the entire blowing-in insulating layer is correspondingly solidified and bonded. Falling out of a portion of Einblasdämmstoffes is impossible.
Eine erfindungsgemässe Vorrichtung zum Einblasen von Einblasdämmstoff in Dämmstoffkammern von Bauelementen weist ein Abdeckelement zum wenigstens teilweisen Abdecken der Dämmstoffkammer und wenigsten einen Einfüllstutzen zum Einbringen eines Einblasdämmstoffes in die Dämmstoffkammer auf. Die Vorrichtung weist ausserdem wenigstens eine Benetzungseinrichtung zum Benetzen einer Begrenzungsfläche der Dämmstoffkammer und/oder einer Oberfläche einer Schicht von in die Dämmstoffkammer eingeblasenem Einblasdämmstoff mit einem Bindemittel auf. Eine solche Vorrichtung kommt beispielsweise zum Einsatz, um ein flüssiges Bindemittel vor dem Einfüllen des Einblasdämmstoffes in die zu befüllende Dämmstoffkammer einzusprühen und deren innere Begrenzungsflächen zu benetzen. Ausserdem kann der eingebrachte Einblasdämmstoff in der Dämmstoffkammer benetzt werden um eine bindende und verfestigte Randschicht des Einblasdämmstoffes zu bilden.An inventive device for blowing Einblasdämmstoff in insulation chambers of components has a cover for at least partially covering the insulation chamber and at least one filler neck for introducing a Einblasdämmstoffes in the insulation chamber. The apparatus further comprises at least one wetting device for wetting a boundary surface of the insulation chamber and / or a surface of a layer of blown insulating material blown into the insulation chamber with a binder. Such a device is used, for example, to spray a liquid binder before filling the Einblasdämmstoffes in the insulating chamber to be filled and to wet their inner boundary surfaces. In addition, the introduced Einblasdämmstoff can be wetted in the insulation chamber to form a binding and solidified edge layer of Einblasdämmstoffes.
In einer weiteren Ausführungsform weist eine erfindungsgemässe Vorrichtung zum Einblasen von Einblasdämmstoff in Dämmstoffkammern von Bauelementen ein Abdeckelement zum wenigstens teilweisen Abdecken der Dämmstoffkammer und mindestens einen Einfüllstutzen zum Einbringen eines Gemisches aus Einlassdämmstoff und Bindemittel in die Dämmstoffkammer auf. Die Vorrichtung weist weiter ein Aktivierungselement auf, um das Bindemittel zu aktivieren und entsprechend den Einblasdämmstoff untereinander und/oder mit den Begrenzungsflächen der Dämmstoffkammer zu verbinden.In another embodiment, an inventive device for blowing Einblasdämmstoff in insulation chambers of components on a cover for at least partially covering the Dämmstoffkammer and at least one filler neck for introducing a mixture of inlet insulation and binder in the insulation chamber. The device further comprises an activation element in order to activate the binder and to connect the injection insulation material to one another and / or to the boundary surfaces of the insulation material chamber.
Die Vorrichtung kann einen Mischer zum Vermischen des Einblasdämmstoffes und des Bindemittels aufweisen. Ein solcher Mischer ist beispielsweise für die Verwendung von festem oder trockenem Bindemittel einer Einblasvorrichtung vorgeschaltet. Entsprechend wird mit der Vorrichtung bereits das komplette Gemisch aus Einblasdämmstoff und Bindemittel eingeblasen.The apparatus may include a mixer for mixing the blowing insulant and the binder. Such a mixer precedes, for example, the use of solid or dry binder of a blowing device. Accordingly, the device already blown in the complete mixture of blowing insulation and binder.
Der Mischer kann zum Vermischen des Einblasdämmstoffes und des vorzugsweise flüssigen Bindemittels im Einfüllstutzen angeordnet sein. Beispielsweise wird als ein solcher Mischer ein mit Sprühdüsen versehener Einfüllstutzen angesehen. Die Sprühdüsen sind dabei so ausgerichtet, dass ein flüssiges Bindemittel auf den den Einfüllstutzen durchlaufenden Strom von Einblasdämmstoff gerichtet ist und der Einblasdämmstoff entsprechend mit dem Bindemittel benetzt wird.The mixer can be arranged for mixing the injection insulation material and the preferably liquid binder in the filler neck. For example, considered as such a mixer provided with spray nozzles filler neck. The spray nozzles are aligned so that a liquid binder is directed onto the current flowing through the Einfüllstutzen Einblasdämmstoff and the Einblasdämmstoff is appropriately wetted with the binder.
Das Aktivierungselement kann ein Element aufweisen, ausgewählt aus der Gruppe umfassend:
- wenigstens einen Auslass für Dampf und/oder Heissluft und/oder Gas und/oder Flüssigkeit auf einer der Dämmstoffkammer zugewandten Seite des Abdeckelementes,
- wenigstens eine Injektionsnadel mit einem endseitigen Auslass für Dampf und/oder Heissluft und/oder Gas und/oder Flüssigkeit auf einer der Dämmstoffkammer zugewandten Seite des Abdeckelementes,
- wenigstens eine Induktionsschlaufe zur Erzeugung eines magnetischen Wechselfeldes im Bereich der Dämmstoffkammer,
- wenigstens eine Hochfrequenzantenne zum Ausstrahlen einer Mikrowellenstrahlung in den Bereich der Dämmstoffkammer,
- wenigstens einen Infrarotsensor zum Ausstrahlen einer Infrarotstrahlung in den Bereich der Dämmstoffkammer,
- eine Kombination aus mehreren der vorgenannten Elemente.
- at least one outlet for steam and / or hot air and / or gas and / or liquid on a side of the cover element facing the insulation chamber,
- at least one injection needle with an end outlet for steam and / or hot air and / or gas and / or liquid on one side of the cover element facing the insulation chamber,
- at least one induction loop for generating an alternating magnetic field in the region of the insulation chamber,
- at least one radio-frequency antenna for emitting microwave radiation into the region of the insulation chamber,
- at least one infrared sensor for emitting infrared radiation into the area of the insulating chamber,
- a combination of several of the aforementioned elements.
Bei der Verwendung von Injektionsnadeln als Aktivierungselemente sind diese vorzugsweise versenkbar und/oder ausfahrbar im Abdeckelement angeordnet. Durch eine versenkbare und/oder ausfahrbare Anordnung kann der eingeblasene Einblasdämmstoff bzw. das entsprechende Bindemittel in verschiedenen Tiefen der Dämmstoffkammer aktiviert werden. Sobald die Aktivierung erfolgt ist, kann die Injektionsnadel im Abdeckelement versenkt werden, sodass eine gleichmässige Ausbildung der Oberfläche des Einblasdämmstoffes in der Dämmstoffkammer ermöglicht wird.When using injection needles as activation elements they are preferably retractable and / or extendable arranged in the cover. By retractable and / or extendable arrangement of the blown Einblasdämmstoff or the corresponding binder can be activated in different depths of the insulation chamber. Once the activation has taken place, the injection needle can be sunk in the cover, so that a uniform formation of the surface of the Einblasdämmstoffes is made possible in the insulation chamber.
Bei der Verwendung von Induktionsschlaufen als Aktivierungselement wird vorzugsweise ein magnetisches Wechselfeld im Frequenzbereich zwischen 20 kHz und 100 kHz erzeugt. Die entsprechende Induktionsschlaufe oder Induktionsschlaufen können dabei im Abdeckelement und/oder auf dem Auflagetisch der Dämmstoffkammer bzw. des Bauelementes integriert sein.When using induction loops as the activation element, an alternating magnetic field is preferably generated in the frequency range between 20 kHz and 100 kHz. The corresponding induction loop or induction loops can be integrated in the cover and / or on the support table of the insulation chamber or the component.
Bei der Verwendung von Hochfrequenzantennen als Aktivierungselement kommt vorzugsweise eine Mikrowellenstrahlung im Frequenzbereich von 0.9 GHz bis 3 GHz zur Anwendung. Auch diese Hochfrequenzantennen können im Abdeckelement und/oder dem Auflagetisch für die Dämmstoffkammern bzw. das Bauelement integriert sein.When using high-frequency antennas as activating element preferably microwave radiation in the frequency range of 0.9 GHz to 3 GHz is used. These high-frequency antennas can also be integrated in the cover element and / or the support table for the insulation chambers or the component.
Bei der Verwendung von Infrarotsendern zur Aktivierung wird vorzugsweise eine Infrarotstrahlung im Bereich von 780 nm bis 3'000 nm ausgestrahlt. Diese Infrarotsender können im Abdeckelement bzw. in dessen Oberfläche, aber auch an Injektionsnadeln oder gar auf dem Auflagetisch angebracht sein.When using infrared transmitters for activation, preferably an infrared radiation in the range of 780 nm to 3,000 nm is emitted. These infrared transmitters can be mounted in the cover element or in its surface, but also on injection needles or even on the support table.
Insbesondere bei der Verwendung von Induktionsschlaufen, Hochfrequenzantennen, Infrarotsendern oder anderen Energie- oder Wärmequellen ist es auch denkbar, dass nicht jede einzelne Dämmstoffkammer aktiviert wird, sondern ein gesamtes Bauelement umfassend mehrere Dämmstoffkammern. Entsprechend kann die Vorrichtung eine Art Aktivierungsofen umfassen, welcher vom Arbeitsschritt des Einblasens räumlich getrennt ist.In particular, when using induction loops, radio frequency antennas, infrared transmitters or other energy or heat sources, it is also conceivable that not every single insulation chamber is activated, but comprising an entire component several insulation chambers. Accordingly, the device may comprise a kind of activation furnace, which is spatially separated from the blowing step.
Eine weitere Aufgabe der vorliegenden Erfindung ist das zur Verfügung stellen eines Bauelementes, welches erhöhten Brandanforderungen genügt. Eine weitere Erfindung betrifft ein Bauelement zum Erfüllen erhöhter Brandanforderungen. Ein erfindungsgemässes Bauelement umfasst wenigstens eine Dämmstoffkammer, welche durch eine Vorderwand, eine Rückwand sowie seitlich durch Begrenzungselemente definiert ist. Die Dämmstoffkammer ist mit einem Einblasdämmstoff befüllt. Dieser Einblasdämmstoff ist vorzugsweise nach einem vorgängig beschriebenen Verfahren und/oder mittels einer vorgängig beschriebenen Vorrichtung eingebracht. Die Dichte des eingeblasenen Dämmstoffes beträgt dabei bei Verwendung von Zellulosefasern weniger als 50 kg/m3, vorzugsweise weniger als 45 kg/m3, besonders bevorzugt weniger als 40 kg/m3. Es versteht sich von selbst, dass es sich bei der genannten Dichte um eine Dichte handelt, welche setzungssicher ist. Entsprechend wird sich die Dichte über den gesamten Bereich der Dämmstoffkammer im Verlaufe der Zeit nicht mehr ändern, der eingeblasene Dämmstoff wird nicht zusammenfallen und entsprechend keine Hohlräume innerhalb der Dämmstoffkammer bilden. Diese Setzungssicherheit bei geringerer Dichte wird durch das Bindemittel ermöglicht, welches die einzelnen Partikel des Einblasdämmstoffes untereinander und mit den Begrenzungselementen der Dämmstoffkammer verbindet. Durch die Verwendung einer geringeren Dichte an Einblasdämmstoff wird die Herstellung des entsprechenden Bauelementes kostengünstiger und resourcenschonender.Another object of the present invention is to provide a device that meets increased fire requirements. Another invention relates to a device for meeting increased fire requirements. An inventive component comprises at least one insulation chamber, which is defined by a front wall, a rear wall and laterally by limiting elements. The insulation chamber is filled with a Einblasdämmstoff. This blow-in insulating material is preferably introduced by a previously described method and / or by means of a previously described device. When using cellulose fibers, the density of the injected insulating material is less than 50 kg / m 3 , preferably less than 45 kg / m 3 , particularly preferably less than 40 kg / m 3 . It goes without saying that the said density is a density which is settling safe. Accordingly, over the entire area of the insulation chamber, the density will no longer change over time, the injected insulation material will not collapse and accordingly form no cavities within the insulation chamber. This settlement safety at a lower density is made possible by the binder, which connects the individual particles of Einblasdämmstoffes with each other and with the boundary elements of the insulation chamber. By using a lower density of blowing insulation, the production of the corresponding component is cheaper and resource-saving.
Ein erfindungsgemässes Bauelement in einer weiteren Ausführungsform umfasst wenigstens eine Dämmstoffkammer, welche durch eine Vorderwand, eine Rückwand sowie seitlich durch Begrenzungselemente definiert ist. Die Dämmstoffkammer ist dabei mit einem Einblasdämmstoff befüllt und weist zusätzlich ein nicht brennbares Rückhalteelement auf, welches zwischen Einblasdämmstoff und der Vorderwand und/oder zwischen Einblasdämmstoff und der Rückwand angeordnet ist. Insbesondere bei der industriellen Fertigung von Bauelementen kann dieses Rückhalteelement eine komplette Rückwand bzw. Vorderwand des Bauelementes bedecken und mit dieser in einem vorgängigen Schritt fest verbunden sein. Der Einblasdämmstoff ist vorzugsweise nach einem vorgängig beschriebenen Verfahren und/oder mittels einer vorgängig beschriebenen Vorrichtung eingebracht.A component according to the invention in a further embodiment comprises at least one insulation chamber, which passes through a front wall, a rear wall and laterally by delimiting elements is defined. The insulation chamber is filled with a Einblasdämmstoff and additionally has a non-combustible retaining element, which is arranged between Einblasdämmstoff and the front wall and / or between Einblasdämmstoff and the rear wall. In particular, in the industrial production of components, this retaining element may cover a complete rear wall or front wall of the component and be firmly connected to this in a previous step. The blowing insulation is preferably introduced by a previously described method and / or by means of a previously described device.
Das Rückhalteelement kann ausgewählt sein aus der Gruppe umfassend:
- ein Vlies,
- ein Netz,
- ein Gitter,
- eine Kombination aus mehreren der vorgenannten Elemente.
- a fleece,
- a net,
- a grid,
- a combination of several of the aforementioned elements.
Beim entsprechenden Rückhalteelement ist es dabei ausschlaggebend, dass dieses im Brandfall nicht verbrennen, schmelzen oder verglühen kann. Vorzugsweise erfüllt das Rückhalteelement die gängigen Brandanforderungen nach Standard VKF Brandschutzrichtlinien RF1 oder RF2 bzw. ist klassifiziert nach EN 13501-1:2010-01 wie in der nachfolgenden Tabelle dargestellt:
Vorzugsweise erfüllt auch das gesamte Bauelement mit Dämmstoffkammern die oben genannten Brandanforderungen.Preferably, the entire component with insulation chambers meets the above-mentioned fire requirements.
Anhand von Figuren, welche lediglich Ausführungsbeispiele darstellen, wird die Erfindung im Folgenden näher erläutert. Es zeigen:
- Figur 1:
- eine perspektivische Ansicht eines Bauelementes mit zu befüllenden Dämmstoffkammern,
- Figur 2:
- eine perspektivische Ansicht des Bauelements aus
Figur 1 , wobei eine Dämmstoffkammer durch ein Abdeckelement einer erfindungsgemässen Vorrichtung abgedeckt ist, - Figur 3:
- eine perspektivische Ansicht von unten auf das Abdeckelement aus
Figur 2 , und - Figur 4:
- eine schematische Darstellung eines Schnittes durch ein Bauelement mit drei Dämmstoffkammern und unterschiedlich aktivierten Einblasdämmstoffen und Bindemitteln.
- FIG. 1:
- a perspective view of a component with to be filled insulation chambers,
- FIG. 2:
- a perspective view of the device
FIG. 1 in which an insulation chamber is covered by a cover element of a device according to the invention, - FIG. 3:
- a perspective view from below of the cover
FIG. 2 , and - FIG. 4:
- a schematic representation of a section through a device with three insulating chambers and differently activated Einblasdämmstoffen and binders.
Das Abdeckelement 10 weist auf seiner Oberseite eine Anschlussvorrichtung auf, um mittels eines Zuführungsschlauches mit einer entsprechenden Einblasmaschine und einer Dosiereinrichtung verbunden werden zu können. Diese Anschlussvorrichtung teilt sich im gezeigten Abdeckelement in zwei Einfüllstutzen 11 auf, welche in der nachfolgenden
Selbstverständlich ist es auch denkbar, dass das Aktivierungselement 12 nicht als Injektionsnadel ausgebildet ist, sondern allenfalls als Induktionsschlaufe, Hochfrequenzantenne, Infrarotsender, usw. Die konkrete Ausgestaltung des Aktivierungselementes ist abhängig vom Bindemitte, welches im konkreten Fall verwendet und aktiviert werden soll. Ebenfalls ist es denkbar, dass das Aktivierungselement 12 lediglich eine Benetzungseinrichtung darstellt, welche vor dem Befüllen der Dämmstoffkammer die Rückwand und die seitlichen Begrenzungselemente mit einem Bindemittel bzw. Kleber besprüht, sodass der eingeblasene Einblasdämmstoff sich mit diesen Elementen verbindet. Selbstverständlich kann die Anzahl der Aktivierungselemente 12 des Abdeckelementes 10 entsprechend der Grösse und/oder der benutzten Technologie angepasst werden.Of course, it is also conceivable that the
In der Dämmstoffkammer 31' wurde lediglich eine Randschicht 24 des Einblasdämmstoffes 20' bzw. des entsprechenden Bindemittels aktiviert. Somit bildet sich eine randseitige Hülle in der Dämmstoffkammer, welche den zentralen losen Einblasdämmstoff komplett umhüllt. Diese Randschicht 24 ist durch eine unterschiedliche Schraffur dargestellt.In the insulation chamber 31 ', only an
Die Dämmstoffkammer 31" weist einen losen Einblasdämmstoff 20", allenfalls mit entsprechendem Bindemittel auf. Das Bindemittel wurde hier jedoch nicht aktiviert. Zusätzlich zu den seitlichen Begrenzungselementen 35, der Vorderwand 33 und Rückwand 34 ist ein Rückhalteelement 37 in Form eines Vlieses vorhanden, welches die Vorderwand 33 und die Rückwand 34 innenseitig bedeckt. Im Falle eines Brandes wird nach dem Durchbrennen der Vorderwand 33 und/oder der Rückwand 34 dieses Rückhalteelement 37 den losen Einblasdämmstoff 20" vor einem Herausfallen hindern. Zusätzlich zum Rückhalteelement 37 kann der Einblasdämmstoff auch mit Bindemittel versehen und das Bindemittel aktiviert sein. Der Einblasdämmstoff liegt somit nicht mehr lose vor, es ergibt sich ein zusätzlicher Brandschutz.The
Claims (14)
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GB1602382A (en) * | 1978-05-24 | 1981-11-11 | Shell Int Research | Cavity insulation |
EP0841444A2 (en) * | 1996-11-07 | 1998-05-13 | Excel Industries Limited | Methods and apparatus for introducing air-entrainable material into a channel or recess |
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EP2333198A1 (en) | 2009-12-03 | 2011-06-15 | isofloc AG | Method and device for blowing insulation into insulation chambers |
US20130086868A1 (en) * | 2011-10-11 | 2013-04-11 | SR Contractors, LLC | Method for modifying walls |
FR2989291A1 (en) * | 2012-09-20 | 2013-10-18 | Gaztransp Et Technigaz | Method for filling box with fibrous insulating material, involves actuating packing head of end wall to compress insulation material in internal space of box, and securing cover on side walls of box to close opening of box |
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JP4071393B2 (en) * | 1999-06-23 | 2008-04-02 | 吉四郎 太田 | Blowing insulation method for residential walls and shelf members used in the method |
US7127856B2 (en) * | 2003-06-06 | 2006-10-31 | Hans T. Hagen, Jr. | Insulated stud panel and method of making such |
DE102013104027A1 (en) * | 2013-03-08 | 2014-09-11 | Reflecto Tec KG | Method and apparatus for producing insulation |
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2017
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GB1602382A (en) * | 1978-05-24 | 1981-11-11 | Shell Int Research | Cavity insulation |
EP0841444A2 (en) * | 1996-11-07 | 1998-05-13 | Excel Industries Limited | Methods and apparatus for introducing air-entrainable material into a channel or recess |
EP1255001A2 (en) * | 2001-04-14 | 2002-11-06 | Markus Gleixner | Device for the blowing in of insulating material in hollows of wall, ceiling or roofing elements |
WO2005007984A1 (en) | 2003-07-17 | 2005-01-27 | Alfred Otto Schmidt | Cellulose fibre insulation and method of application |
EP2333198A1 (en) | 2009-12-03 | 2011-06-15 | isofloc AG | Method and device for blowing insulation into insulation chambers |
US20130086868A1 (en) * | 2011-10-11 | 2013-04-11 | SR Contractors, LLC | Method for modifying walls |
FR2989291A1 (en) * | 2012-09-20 | 2013-10-18 | Gaztransp Et Technigaz | Method for filling box with fibrous insulating material, involves actuating packing head of end wall to compress insulation material in internal space of box, and securing cover on side walls of box to close opening of box |
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EP3246490B1 (en) | 2023-11-01 |
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