EP2169135B1 - Verfahren zur Herstellung einer gedämmten Hohlwand, die zwei Betonlagen und Verbinder umfasst, mit einer Ultraschallvibrationsphase, sowie die entsprechende Installation und die entsprechenden Verbinder - Google Patents

Verfahren zur Herstellung einer gedämmten Hohlwand, die zwei Betonlagen und Verbinder umfasst, mit einer Ultraschallvibrationsphase, sowie die entsprechende Installation und die entsprechenden Verbinder Download PDF

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Publication number
EP2169135B1
EP2169135B1 EP09171001A EP09171001A EP2169135B1 EP 2169135 B1 EP2169135 B1 EP 2169135B1 EP 09171001 A EP09171001 A EP 09171001A EP 09171001 A EP09171001 A EP 09171001A EP 2169135 B1 EP2169135 B1 EP 2169135B1
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EP
European Patent Office
Prior art keywords
concrete
connectors
skin
connector
station
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Not-in-force
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EP09171001A
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English (en)
French (fr)
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EP2169135A2 (de
EP2169135A3 (de
Inventor
Jean-Yves Jousselin
Régis Michel
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Holding Jousselin Sas
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Holding Jousselin Sas
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Publication of EP2169135A3 publication Critical patent/EP2169135A3/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
    • E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0062—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects forcing the elements into the cast material, e.g. hooks into cast concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/028—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members for double - wall articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E04C2002/045—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete with two parallel leaves connected by tie anchors

Definitions

  • the field of the invention relates to construction techniques. More specifically, the invention relates to a construction element manufacturing technique comprising a wall partially prefabricated in the factory combining three materials: connectors made of composite material bonding two reinforced concrete skins, the outer skin can be covered with an insulating material . The central space is completed by concrete poured on site. This assembly being referred to as "insulating integral form wall”.
  • Sandwich walls are elements consisting essentially of two concrete skins between which a plate of insulating material is placed. The skins are pressed against the insulating plate.
  • ICM Integrated formwork walls
  • the document EP-1 760 208 describes a technique and system for making insulated hollow walls.
  • the principle of manufacturing MCI is as follows.
  • MCIs are manufactured using a basic carousel comprising form trays (or "pallets") that move automatically in front of workstations for the installation of different aggregates.
  • Pallets are molds in which concrete is poured to make concrete skins.
  • the stiffeners generally made of steel, serve to ensure, after drying, a mechanical connection with the second skin.
  • the first skin is dried, then is lifted by a lifting system adapted to be returned.
  • the second freshly cast concrete skin is presented under the first skin suspended with the stiffeners presented so that their free end is presented opposite the second skin, to drown an end in the second skin. Spacers of height ensure between the two skins the necessary functional heights.
  • An insulating panel may be provided on the inside of the outer plate to provide an insulated wall with integrated formwork.
  • the manufacturing principle remains the same as for the wall with integrated integrated formwork subject to replacement of said stiffeners by connectors.
  • the coating of these by the concrete can vary substantially, to the point in some cases to be insufficient to ensure a holding optimal connector in the concrete once it dried.
  • This difficulty arises in particular when the concrete has vibrated prior to the crash of the connectors: in practice, it is indeed common to note that the connector is only partially coated, the penetration of the connector into the concrete resulting in the formation of a cavity that is not filled by a migration of concrete when it has been vibrated.
  • isolated MCIs have recently been proposed in which a plate of insulating material is placed against one of the skins of the integrated form wall in the space between the two skins.
  • This insulating plate is attached to the first concrete skin, before the connectors crash. According to this technique, it is sought to obtain, for the first concrete skin, a receiving surface of the insulating plate having the best possible flatness.
  • One technique for this is to mechanically vibrate the concrete of the first concrete skin.
  • the channels allowing the passage of the connectors in the insulating plate are made with techniques generating the formation of chips of insulating materials may deposit on the concrete of the first skin and, subsequently, to harm the aesthetics outer concrete skin.
  • the invention particularly aims to overcome these disadvantages of the prior art.
  • the invention aims to provide a method of manufacturing an insulating integrated form wall that improves the coating of the connectors in the concrete skins constituting the integrated insulating form wall.
  • the invention also aims to provide such a method that is adapted to the "blind" crash of the connectors in the first cast skins of the MCI, this in the case of the manufacture of an insulated MCI according to which a plate of material Insulation is set up on the first skin before the connectors crash.
  • Another object of the invention is to provide such a process which, when applied to the manufacture of an insulated MCI, avoids the formation of chips of insulating materials likely to impair the bond between the insulating plate and the first skin. and its aesthetics.
  • the method comprises, following said step of crashing said connectors in said first concrete skin, an ultrasonic transmission phase in said concrete via said connectors to cause a vibration of said concrete in the vicinity of the first end of said connectors.
  • the invention ensures a very good quality of maintaining the connectors in the concrete of the first skin, this including when the concrete has a high density, for example after being vibrated mechanically.
  • the transmission of ultrasound in the concrete, through the connectors causes a vibration of the concrete in the vicinity of the first end of the connectors particularly effectively, this resulting in a stirring of the concrete nature to completely embed the part of the connectors embedded in the concrete.
  • the cavity conventionally generated by the penetration of the connectors in the densified concrete, around the end of the connectors, is filled by a migration of the concrete towards the connectors, this under the effect of the vibrations generated by the ultrasound.
  • said ultrasonic transmission phase is achieved by contacting an ultrasonic transmission tool with said second ends of said connectors.
  • said tool is moved from connector to connector.
  • the method comprises a step of setting up an insulating plate prior to the crash of a first end of said connectors in said first skin, said insulating plate being positioned so as to be traversed by said connectors.
  • the method also comprises a step of drilling orifices in said insulating plate forming passages for said connectors, said drilling step preferably being carried out using ultrasonic tools.
  • Such a drilling technique allows the production of orifices in the insulating plate without removal of material, and therefore without risk of causing the formation of particles or chips that may be deposited on the concrete of the first concrete skin during the placing the insulating plate on this first skin. It is therefore avoided that such particles are interposed between the insulating plate and the first skin, at the risk of degrading the quality of contact between the insulating plate and the first skin and its aesthetic appearance.
  • the concrete of said first skin is vibrated mechanically before said introduction of said insulating plate.
  • the method comprises a step of setting up reinforcements in said skins accompanied by a step of memorizing the locations of said reinforcements in said skins, said piercing step being advantageously carried out so as to position said orifices according to the locations of said frames.
  • the invention also relates to a connector for implementing the method as described above, the connector being made of longitudinally oriented fiberglass-reinforced synthetic resin materials.
  • Such a connector is thus particularly adapted to the implementation of the method according to the invention, its longitudinally oriented fiberglass reinforcement promoting the transmission of ultrasound from one end to the other of the connector.
  • the connector has a striated outer surface, with ridges perpendicular to the longitudinal axis of said connector.
  • Such striations contribute to the good adhesion of the connector in the concrete of the skins of the MCI, these grooves forming on the outer surface of the connector a force opposing the withdrawal of the connector from the concrete.
  • ICM insulating integrated form wall
  • An MCI is a building element of the type described by the figure 3 .
  • the MCI of the figure 3 is illustrated in a vertical cross section.
  • MCI can be isolated.
  • it comprises an insulating plate 5, attached between the skin 1 and 2, and pressed against one of the skins (here against the first skin 1).
  • an MCI has a space 3 defining a casting volume to be filled with concrete once the MCI installed on the site.
  • the method furthermore comprises a step C consisting of a phase of ultrasonic transmission in the concrete of the first skin, this via the connectors, with a view to causing a vibration concrete still fresh from the first skin, near the end of the connectors embedded in the concrete of the first skin.
  • this ultrasonic transmission phase is performed consecutively to the stage of the connectors in the first skin crashing.
  • the transmission of ultrasound via the connectors is carried out using a tool 6, in this case an ultrasonic production head, brought into contact with the ends of the connectors opposite to that embedded in the concrete of the first skin.
  • This tool 6 is carried by a digitized three-axis robot, which moves the tool 6. from connector to connector.
  • the end of the connectors with which the tool 6 is brought into contact has a pointed or conical shape.
  • the tool 6 has a contact interface 60 having at its end a cavity also conical (with a cone angle of 45 °).
  • a superficial carbonization of the resin of the connector makes it possible to ensure contact between the glass fibers and the contact interface.
  • the method further comprises a step A2 of placing an insulating plate, made in such a way that this insulating plate is pressed against the still fresh concrete of the first skin.
  • step A1 Prior to the placement of the insulating plate on the first concrete skin, the latter is vibrated mechanically (step A1), this by vibrating (in a manner known per se by the skilled person) forming trays consisting of a pallet 7 and shuttering banks 71 ( figure 2 ).
  • the establishment of the insulating panel is performed prior to the crashing of the connectors in the first concrete skin, the insulating panel is therefore positioned so as to be traversed by the connectors.
  • the method also comprises a step of drilling orifices in the insulating panel, each of these orifices being intended to form a passage for a connector.
  • the piercing step of the insulating panel is carried out using an ultrasonic tool embedded on a three-axis digitized robot.
  • the disintegration of the insulating material preferably polystyrene or equivalent family of proqits
  • the disintegration of the insulating material is thus without waste pollutants, and the precision of the order of half millimeter is then guaranteed both in the sealing functions to obtain a "anti-collision positioning at the time of turning the pallet.
  • the integration of the three-axis robot embedding the ultrasonic technology is designed to take into account an air integration of flows to allow a transfer logistics to the workstation without risk of deterioration of the product during manufacture.
  • the insulating plate has a thickness of 100 to 200 mm and is made of expanded polystyrene or polyurethane having a density of between 20 and 60 kg / m3.
  • the first skin is made to have a thickness of 5 to 7 cm, and is cast in two steps on a pallet previously coated on its entire surface with a formwork oil.
  • the first casting is carried out with a concrete of color 10.
  • This first skin is then vibrated mechanically.
  • steel reinforcements are deposited on this skin.
  • a second casting step is then performed with a self-placing gray concrete 11.
  • the step of placing the steel reinforcements in the first skin (as well as in the second skin) is accompanied by a spatial identification of the position of the reinforcements in the skin.
  • the coordinates representative of the position of the armatures are transmitted to a computer station which stores said positions.
  • the drilling step of the insulating plate is carried out according to and by taking into account the positions identified and stored by the computer tool, so that it is avoided to make a hole likely to lead to the level of a position occupied by the frames.
  • the part of the installation described corresponds to the phases of preparation of the insulating panels, installation of the insulating panels on the first skins of the MCI, installation of the connectors and transmission of ultrasound in the concrete of the first skin. connectors in place.
  • the cut and pierced panels are then transferred to a descent station 53, from which the panels are routed to the lower part B of the installation, this via a suspended ferry 54.
  • the cut and pierced panels 5 are deposited on the first concrete skin of the MCIs, this first skin being conveyed opposite the suspended ferry by means of pallets 7, in order to be directed to a station 8 crashing a first end of the connectors in the first skin MCI.
  • an operator is responsible for laying pierced insulation panels and installing connectors (a stock of connectors 46 being provided in the vicinity of station 8).
  • an operator is responsible for the ultrasonic vibration transmission operation in the first skin of the MCI, this through the free ends of the connectors.
  • the operator manipulates an ultrasonic production tool 6 connected to an ultrasonic vibration generator 62.
  • the tool 6 can be carried by a digitized three-axis robot that moves the tool from connectors to connectors.
  • the pallets 7 carrying the first skin, the insulating panel and the connectors are conveyed to a drying station, then a turning station so as to orient the connector downwards.
  • the second skin is cast, then conveyed to a station at which the free end of the connectors (previously designated "second end", as opposed to the first end in the first skin) is planted in the second skin.
  • the assembly is then routed to a drying station of the second skin.
  • a connector for implementing the method according to the invention is now described with reference to the figure 4 .
  • Such a connector is made of a mixture of fiberglass and isophthalic resin, by pultrusion.
  • Such a connector has, thanks to the conical tip 41, a good penetrating power in the concrete.
  • the frustoconical portions 42, 43 by their inverse conicity, provide at the ends of the connector a cavity called "dovetail" which, once coated by the concrete, promotes the maintenance of the connector in the concrete.
  • the connector has a striated outer surface with ridges 441 oriented perpendicularly to the longitudinal axis of the connector.
  • the connector 4 further has a ring 45 (indicatively indicative of a diameter of 50 mm and a thickness of 3 mm) ensuring a closure of the corresponding orifice formed in the insulating plate, limiting thus the transfers of milt.
  • This ring 45 further guarantees the positioning height of the connector in the concrete, the ring 45 bearing against the surface of the insulating plate (as illustrated by the figure 2 ).
  • an etching 46 is performed on the body 44 of the connector, one side of the body 44 with respect to the ring 45, in order to provide information on the direction of installation of the connector (set up manually on the first concrete skin).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Laminated Bodies (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (10)

  1. Verfahren zur Herstellung einer Wand mit integrierter Verschalung, die zwei Betonlagen (1), (2) aufweist, welche zwischen sich einen Raum (3) zum Gießen von Beton begrenzen, wobei die besagten Betonlagen mit Hilfe von Verbindern (4) untereinander verbunden sind und voneinander getrennt gehalten werden, wobei das besagte Verfahren die folgenden Schritte umfasst:
    - Gießen von Beton zum Erstellen einer ersten Betonlage (1);
    - Einpflanzen eines ersten Endes der besagten Verbinder (4) in die besagte erste Betonlage;
    - Trocknung der besagten ersten Betonlage (1);
    - Gießen von Beton zum Erstellen einer zweiten Betonlage (2);
    - Umdrehen der besagten ersten Betonlage (1), um die besagten Verbinder (4) nach unten zu richten;
    - Einpflanzen des anderen, zweites Ende genannten Endes der besagten Verbinder (4) in die besagte zweite Betonlage (2);
    - Trocknung der besagten zweiten Betonlage (2);
    dadurch gekennzeichnet, dass es nach dem besagten Schritt des Einpflanzens der besagten Verbinder (4) in die besagte ersten Betonlage (1) eine Phase der Übertragung von Ultraschall in das besagte Beton über die besagten Verbinder (4) aufweist, um den besagten Beton in der Umgebung des ersten Endes der besagten Verbinder (4) in Schwingung zu versetzen.
  2. Verfahren nach Anspruch 1, wobei die besagte Phase der Übertragung von Ultraschall dadurch realisiert wird, dass ein Werkzeug (6) zum Übertragen von Ultraschall in Berührung mit den besagten zweiten Enden der besagten Verbinder (4) gebracht wird.
  3. Verfahren nach Anspruch 2, wobei das besagte Werkzeug (6) von einem Verbinder zum Anderen versetzt wird.
  4. Verfahren nach einem der Ansprüche 1 bis 3, wobei ein Schritt zum Anbringen einer Dämmplatte (5) vor dem Einpflanzen eines ersten Endes der besagten Verbinder (4) in die besagte erste Betonlage (1) ausgeführt wird, wobei die besagte Dämmplatte so angebracht wird, dass sie vom besagten Verbinder (4) durchquert wird.
  5. Verfahren nach Anspruch 4, das auch einen Schritt zum Bohren von Öffnungen in die besagte Dämmplatte (5) umfasst, wobei diese Öffnungen Durchgänge für die besagten Verbinder (4) bilden.
  6. Verfahren nach Anspruch 5, wobei der besagte Schritt zum Bohren mit Hilfe von Ultraschallgeräten erfolgt.
  7. Verfahren nach einem der Ansprüche 4 bis 6, wobei der Beton der besagten ersten Betonlage vor dem Anbringen der besagten Dämmplatte mit Hilfe mechanischer Mittel in Schwingung versetzt wird.
  8. Verfahren nach einem der Ansprüche 1 bis 7, das einen Schritt zum Anbringen von Bewehrungen in den besagten Betonlagen umfasst, wobei dieser Schritt zusammen mit einem Schritt zum Speichern der Positionen der besagten Bewehrungen in den besagten Betonlagen erfolgt.
  9. Verfahren nach den Ansprüchen 5 und 8, dadurch gekennzeichnet, dass der besagte Schritt zum Bohren so ausgeführt wird, dass die besagten Öffnungen entsprechend der Position der besagten Bewehrungen angebracht werden.
  10. Anlage zum Ausführen des Verfahrens nach einem der Ansprüche 1 bis 9, die folgendes umfasst:
    - einen Platz zum Gießen von Beton zum Erstellen einer ersten Betonlage (1);
    - einen Platz zum Einpflanzen eines ersten Endes der besagten Verbinder (4) in die besagte erste Betonlage (1);
    - einen Platz zum Trocknen der besagten ersten Betonlage (1);
    - einen Platz zum Gießen von Beton zum Erstellen einer zweiten Betonlage (2);
    - einen Platz zum Umdrehen der besagten ersten Betonlage, um die besagten Verbinder (4) nach unten zu richten;
    - einen Platz zum Einpflanzen des anderen, zweites Ende genannten Endes der besagten Verbinder (4) in die besagte zweite Betonlage (2);
    - einen Platz zum Trocknen der besagten Betonlage (2);
    - Mittel zum Übertragen von Ultraschall in den besagten Beton der besagten ersten Betonlage (1) über die besagten Verbinder (4), um den besagten Beton in der Umgebung des ersten Endes der besagten Verbinder (4) in Schwingung zu versetzen.
EP09171001A 2008-09-29 2009-09-22 Verfahren zur Herstellung einer gedämmten Hohlwand, die zwei Betonlagen und Verbinder umfasst, mit einer Ultraschallvibrationsphase, sowie die entsprechende Installation und die entsprechenden Verbinder Not-in-force EP2169135B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0805335A FR2936538B1 (fr) 2008-09-29 2008-09-29 Procede de fabrication d'un mur isole a coffrage integre comprenant deux peaux beton et des connecteurs, incluant une etape de vibration ultrasonique, installation et connecteurs correspondants

Publications (3)

Publication Number Publication Date
EP2169135A2 EP2169135A2 (de) 2010-03-31
EP2169135A3 EP2169135A3 (de) 2010-09-29
EP2169135B1 true EP2169135B1 (de) 2011-11-23

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EP09171001A Not-in-force EP2169135B1 (de) 2008-09-29 2009-09-22 Verfahren zur Herstellung einer gedämmten Hohlwand, die zwei Betonlagen und Verbinder umfasst, mit einer Ultraschallvibrationsphase, sowie die entsprechende Installation und die entsprechenden Verbinder

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Country Link
EP (1) EP2169135B1 (de)
AT (1) ATE534778T1 (de)
FR (1) FR2936538B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3018087B1 (fr) * 2014-02-28 2018-06-15 Lesage Developpement Mur comportant une ouverture securisee, dispositif de coffrage d'une telle ouverture et procede de fabrication d'un tel mur
US11248383B2 (en) 2018-09-21 2022-02-15 Cooper E. Stewart Insulating concrete form apparatus
CN110014497A (zh) * 2019-03-19 2019-07-16 美好建筑装配科技有限公司 一种夹心保温叠合承重墙板及其生产工艺
CN110014498A (zh) * 2019-03-19 2019-07-16 美好建筑装配科技有限公司 一种带洞口的夹心保温非承重墙板及其生产工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1936078A1 (de) * 1969-07-16 1971-01-28 Karl Karner Bewehrungsstaebe fuer Betonkonstruktionen
IL104317A (en) * 1992-03-16 1995-10-31 Ribbon Technology Corp The compositions are reinforced with a lattice of metal fibers
DE102005041082A1 (de) * 2005-08-30 2007-03-01 Schöck Bauteile GmbH System und Verfahren zur Herstellung von gedämmten Hohlwänden

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FR2936538A1 (fr) 2010-04-02
ATE534778T1 (de) 2011-12-15
FR2936538B1 (fr) 2010-10-08
EP2169135A2 (de) 2010-03-31
EP2169135A3 (de) 2010-09-29

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