EP1690998A2 - Verfahren zur Herstellung eines Sandwich-Wandelementes sowie ein derartiges Wandelement - Google Patents

Verfahren zur Herstellung eines Sandwich-Wandelementes sowie ein derartiges Wandelement Download PDF

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Publication number
EP1690998A2
EP1690998A2 EP06075112A EP06075112A EP1690998A2 EP 1690998 A2 EP1690998 A2 EP 1690998A2 EP 06075112 A EP06075112 A EP 06075112A EP 06075112 A EP06075112 A EP 06075112A EP 1690998 A2 EP1690998 A2 EP 1690998A2
Authority
EP
European Patent Office
Prior art keywords
plate
laths
wall
sill
parallel
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.)
Withdrawn
Application number
EP06075112A
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English (en)
French (fr)
Other versions
EP1690998A3 (de
Inventor
Jorgen Moller Jensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nyborg Huse AS
Original Assignee
Nyborg Huse AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nyborg Huse AS filed Critical Nyborg Huse AS
Publication of EP1690998A2 publication Critical patent/EP1690998A2/de
Publication of EP1690998A3 publication Critical patent/EP1690998A3/de
Withdrawn legal-status Critical Current

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    • 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
    • E04C2/10—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 wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—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 wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243—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 wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/386—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of unreconstituted or laminated wood

Definitions

  • the present invention relates to a special method for the production of a thermally-insulated wall element of sandwich construction, a plant for the production of such a wall element and the wall element itself.
  • insulated wall elements are provided which are glued together, whereby it is possible to achieve an airtight construction, so that a vapour barrier is not necessary, unlike the known wall element which is screwed together, whereby openings are formed through which vapour can gain access. Insulating material is injected into the cavity of the wall element, which is subsequently sealed. Moreover, the glued element can more easily be cleaned, for the reason that there are not those depressions which are otherwise formed by the screws unless these are filled out with filler material.
  • Gluing is not normally considered to be applicable for the assembly of insulated wall elements with lath framework, as the time it takes to lay out the mineral wool mats between the laths makes it necessary to use a glue with long opening time, i.e, where a long time can elapse between the application of the glue and the pressing-together of the elements which are to be glued together, which can give rise to a long pressing time in the order of 6-8 hours.
  • a glue type with short opening time e.g. 20 minutes
  • corresponding short pressing time e.g. 20 minutes
  • the present invention relates especially to a method for the production of a wall element, said method comprising steps for providing a wall element comprising a first outer plate and a second outer plate which are substantially of the same extent and placed in parallel to one another, and a plurality of elongated laths which are glued fast between inner surfaces of these two outer plates, said laths having two parallel, opposite surfaces which extend in the longitudinal direction of the laths, where laths are arranged along a first outer edge and an opposite second outer edge of the first outer plate, so that substantially continuous wall plate and sill plate are formed respectively along the first outer edge and the second outer edge, and additionally there are arranged a plurality of the laths so that they extend parallel with one another and substantially right-angled to the wall plate and sill plate, in such a manner that they form substantially continuous parallel extending cross members between the wall and sill plates, and in such a manner that each of the parallel extending cross members abut substantially tight up to both the wall plate and sill plate, whereby between the two outer plates
  • the outer plates can, e.g., be of plywood, e.g. water-resistant plywood, but it is preferred to use plates of wood chips with a content of 15-40 percent by weight, preferably 25-35 percent by weight of cement, such as 30 percent by weight, and with a thickness of 8 to 20 millimetres, preferably of 10 to 16 millimetres, such as 12 millimetres.
  • Each of the outer plates, i.e. the first outer plate and the second outer plate can each consist of a number of part plates, typically of the standard size 120 by 240 centimetres, or plates cut from these, for the formation of larger wall elements. The edges where the part plates abut against each other can possibly be filled out with a moisture-tightening joint filler.
  • the laths are preferably made of wood, where it is preferred to use wood of strength class K18, e.g. in the form of long laths, which are finger joined in the longitudinal direction, but use can be made of other laths, e.g, galvanised steel bars.
  • the overall thickness of the wall elements is typically between 50 and 350 millimetres.
  • the insulating material is preferably a granular material, preferably wood wool which has been fire-impregnated, e.g. with ammonium polyphosphate, but use can also be made of e.g. granulated mineral wool, fire-impregnated paper wool or a foamed material.
  • impregnated wood wool has advantageous characteristics regarding fire resistance and moisture regulation, as the wood wool can absorb and give off moisture which penetrates through the wall, and hereby prevent condensation in the wooden framework which could lead to rot.
  • the elongated feeding arrangement is e.g. a telescopic rod, the base of which can be displaced in the direction parallel with the wall plate, and which due to its telescopic construction can displace the nozzle from the wall plate and to near the sill plate (or vice versa if the nozzle is introduced into the sill plate).
  • the laths are joined with the inner surface of the first outer plate and the inner surface of the second outer plate with glue applied to the two parallel opposite surfaces of the laths, which are in contact with said inner surfaces.
  • the glue applied is preferably of a waterproof glue type, such as a two-component adhesive, preferably an emulsion polymerised isocyanate (EPI).
  • EPI emulsion polymerised isocyanate
  • a suitable type of glue has proved to be a mixture of the resin Dynea Prefere 6151 and the hardener Dynea Prefere in the ratio of 100:15.
  • Other suitable glue types such as various polyurethane glues may also be used.
  • the step for providing the wall element comprises the steps for arranging the first outer plate so that its rectangular inner surface extends substantially horizontal and faces upwards, feeding a plurality of the elongated laths through a glue application arrangement, where glue is applied to both said opposite surfaces of each lath, placing said laths on the inner surface of the first outer plate by means of a positioning arrangement, so that a glue-applied surface of the laths is in contact with the inner surface of the outer plate for the formation of wall plate and sill plate, respectively, along the first outer edge and the second outer edge and the continuous parallel extending cross members between the wall plate and sill plate, arranging a second outer plate so that its rectangular inner surface is in contact with the upwardly-facing glue-applied surfaces of the laths placed on the inner surface of the first outer plate, and pressing the outer surfaces of the two outer plates in a direction towards each other for a predetermined period of time, so that between the two outer plates, the wall and sill plate and the continuous parallel extending cross members there is formed at least one substantially
  • At least four of said substantially continuous extending cross members between the wall plate and the sill plate there is preferably formed at least four of said substantially continuous extending cross members between the wall plate and the sill plate, and where two of the extending cross members are placed along the two parallel outer edges, where a wall plate or sill plate is not placed, so that at least three of said substantially airtight chambers are formed.
  • more chambers are formed, e.g. five, six or eight, and it is further preferred that the continuous extending cross members are arranged with mutually equally-formed distances, e.g. 40-80 centimetres, preferably with a mutual distance of 60 centimetres.
  • substantially parallel with the wall plate and sill plate there may also be arranged a number of transversely-placed laths between neighbouring continuous extending cross members, so that they abut substantially tight up to these extending cross members, and such that a glue-applied surface of the laths is in contact with the inner surface of each of the outer plates, and where an opening is formed in each of the transversely-placed laths, through which openings the nozzle is introduced for the injection of the insulating material.
  • These transversely-placed laths serve typically for the fastening of windows and other elements in the wall elements.
  • the method is executed in a fully automated manner by means of a control element which controls the operation of the arrangements in all steps of the production.
  • the invention further comprises a production plant for producing wall elements according to the invention.
  • the production plant comprises:
  • the invention also relates to a wall element which can be produced by the method according to the invention.
  • the plant shown in Fig. 1 comprises a feeding conveyor 1 for laths which are automatically shortened to the correct lengths. Glue is applied to two opposite parallel surfaces of the laths by means of a glue application arrangement 2 which they are fed through by the feeding conveyor 1.
  • the construction of a wall element 3 takes place at the building-up station 4, where a robot 5 with an action radius shown by the broken-line circle 6 partly takes part plates 7 from a plate feeder 8 and places them on the building-up station 4, and partly takes laths from the feeding conveyor 1 and places them on the first outer plate which is lying at the building-up station 4.
  • the robot 5 positions the second outer plate, and an element conveyor 9 feeds the wall element 3 to the press 10, where the two outer plates are pressed against each other with a predetermined force for a predetermined period of time, e.g. 20 minutes, so that the gluing between the outer plates and the laths achieves the necessary strength.
  • the element conveyor 9 feeds the wall element 3 further to the insulating station 11, where openings partly are formed in the wall plate 12 and transverse plates 13, partly the nozzle (not shown) is introduced on a telescopic rod for insulation of all cavities in the wall element, and finally the formed openings in the wall plate 12 are plugged.
  • the wall element 3 is fed out over the end of the element conveyor 9, turned to the vertical position and transported away for storage.
EP06075112A 2005-01-17 2006-01-17 Verfahren zur Herstellung eines Sandwich-Wandelementes sowie ein derartiges Wandelement Withdrawn EP1690998A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK200500084A DK176189B1 (da) 2005-01-17 2005-01-17 Fremstilling af vægelement i sandwichkonstruktion samt sådant vægelement

Publications (2)

Publication Number Publication Date
EP1690998A2 true EP1690998A2 (de) 2006-08-16
EP1690998A3 EP1690998A3 (de) 2008-05-14

Family

ID=36215764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06075112A Withdrawn EP1690998A3 (de) 2005-01-17 2006-01-17 Verfahren zur Herstellung eines Sandwich-Wandelementes sowie ein derartiges Wandelement

Country Status (2)

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EP (1) EP1690998A3 (de)
DK (1) DK176189B1 (de)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560285A (en) * 1967-02-06 1971-02-02 Kaiser Aluminium Chem Corp Processes for producing composite panels
GB1244603A (en) * 1967-07-18 1971-09-02 Hills & Sons Ltd F Improvements in or relating to doors
DE2423845A1 (de) * 1973-05-22 1974-12-19 Aulo Savelli Verfahren und einrichtung zur herstellung von mit dekormaterial-folien beschichteten platten
US6279284B1 (en) * 1998-01-12 2001-08-28 Emco Limited Composite vapor barrier panel
GB2377231A (en) * 2001-06-15 2003-01-08 Rollalong Ltd Method of fabricating a composite wall panel for a prefabricated building
DE10306892A1 (de) * 2003-02-18 2004-08-26 Basf Ag Verbundelemente
US20040261356A1 (en) * 2003-03-31 2004-12-30 Pn Ii, Inc. Self supportive panel system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560285A (en) * 1967-02-06 1971-02-02 Kaiser Aluminium Chem Corp Processes for producing composite panels
GB1244603A (en) * 1967-07-18 1971-09-02 Hills & Sons Ltd F Improvements in or relating to doors
DE2423845A1 (de) * 1973-05-22 1974-12-19 Aulo Savelli Verfahren und einrichtung zur herstellung von mit dekormaterial-folien beschichteten platten
US6279284B1 (en) * 1998-01-12 2001-08-28 Emco Limited Composite vapor barrier panel
GB2377231A (en) * 2001-06-15 2003-01-08 Rollalong Ltd Method of fabricating a composite wall panel for a prefabricated building
DE10306892A1 (de) * 2003-02-18 2004-08-26 Basf Ag Verbundelemente
US20040261356A1 (en) * 2003-03-31 2004-12-30 Pn Ii, Inc. Self supportive panel system

Also Published As

Publication number Publication date
DK200500084A (da) 2006-07-18
EP1690998A3 (de) 2008-05-14
DK176189B1 (da) 2006-12-18

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