• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An apparatus and method for laminating a foil (6) to an inner surface of an elongated duct (5) . It comprises an axle (2) provided with at least one heat laminating means (3), the at least one heat laminating means is provided in the vicinity of a first end (4) of the axle. The axle is being movable from a first position outside of a first end of the duct through an inner space (7) of the duct to an end position where at least a portion of the axle, the portion having the heat laminating means, is outside of a second end of the duct. The first end of the axle is the end that enters the inner space of the duct during the movement.(Fig. 1)
    公开号:SE1550280A1
    申请号:SE1550280
    申请日:2015-03-06
    公开日:2016-09-07
    发明作者:Wallin Peter；Bernhardsson Göran
    申请人:Climate Recovery Ind Ab；
    IPC主号:
    专利说明:

    APPARATUS AND METHOD FOR LAMINATING A FOIL TO A DUCTTechnical fieldThe present invention concerns how to laminate a foil insidemade of glass oran elongated. duct, preferably' for ductsstone fibres and especially for ventilation ducts.
    BackgroundIn order to provide sealed and fire proof ducts, especiallywhen made of fibres, it is required to laminate the ducts onthe outside and on the inside. To laminate on the outside aconventional method. may' be used, such as rotating' a ducthaving a foil provided around the periphery over a hot table.at least a layer ofFoils to be used. generally' comprisesmetal, such as aluminium, and a thermoplastic polymer layerfor heat adhering to the surface of the duct. Thus the foilis suitable for heat lamination.inside anIt is difficult to arrange and. laminate a foilinner space of an elongated duct, the ducts may be severalmeters long. It is important that the lamination is evenlyadhered to an inner surface of the inner space without rup-turing the foil.
    Summary of the inventionThe aim of the present invention is to laminate elongatedducts in a cost and time efficient way and at the same timeprovide ducts having a high quality lamination, which is wellfitted and adhered and thus fulfil desired fire proof re-quirements.
    According to a first aspect of the invention an apparatus forlaminating a foil to an inner surface of an elongated duct isAnsökningstext 2015-03-06 150012SEprovided. The apparatus comprises an axle provided with atleast one heat laminating means, the at least one heat lami-nating means is provided in the vicinity of a first end ofthe axle.
    The axle is being movable from a first position outside of afirst end of the duct through an inner space of the duct toan end position where at least a portion of the axle, theportion. having' the heat laminating' means, is outside of asecond end of the duct. The first end of the axle is the endthat enters the inner space of the duct during the movement.
    Preferably, the ducts are made of glass or stone fibres andespecially suitable for ventilation ducts. Preferably thefoil is positioned in the inner space along the inner surfaceof the duct ready for lamination.
    According to an embodiment the heat laminating means is pro-vided for exhausting hot gas against an inner side of thefoil so that an outer side the foil will at least partly meltand adhere to the inner surface of the duct.
    According to another embodiment the heat laminating means areat least two heating' blocks provided for sliding contactalong an inner side of the foil so that the foil will partlymelt and adhere to the inner surface of the duct.
    According to an embodiment a shape of an outer surface of theheating blocks corresponds to a shape of the inner surface ofthe duct. This increases the quality of the lamination.
    According to one embodiment the heating blocks are arrangedin at least two axial places along the axle, thus the atleast one heating block of the second place will follow theAnsökningstext 2015-03-06 150012SEat least one heating block of the first place during movementof the axle through the inner space of the duct.
    According to a further embodiment the heating' blocks arepositionable in at least a closed position close to the axleand a working position on a radial distance from the axle.Preferably, at least some of the heating blocks are position-able in an intermediate position during the initial lamina-tion.
    According to an embodiment the heating blocks are kept in theclosed position by means of at least one retaining spring.
    According to an embodiment the heating blocks are movable toat least the working position by means of climbing towardsthe broad end on at least one wedge or conical device. Pref-erably, the at least one wedge or conical device is arrangedon a respective rod, which is axially' movable inside theaxle. Each axial place for heating blocks has preferably awedge or conical device and a corresponding rod.
    According ixn an embodiment heating blocks corresponding tocorners of the cross sectional shape of the inner space ofthe duct,such as hexagonal, are arranged at the first axialplace.
    According to a second aspect of the present invention a meth-od for laminating a foil to an inner surface of an elongatedduct is provided. The method comprises the steps of- introducing an axle having heat laminating means at afirst, a leading, end of the axle at a first end ofthe duct into an inner space of the duct,- heat laminating along the inner space of the ductwhile the axle moves axially through the inner spaceAnsökningstext 2015-03-06 150012SEof the duct until at least a portion of the axle hav-ing the heat laminating means protrudes outside ofthe inner space at a second end of the duct, and- withdrawing the axle through the laminated innerspace of the duct to the outside of the first end ofthe duct.
    Preferably the method comprises the step of raising the heatlaminating means in the form of at least two heating blocksradially' so that they' will come in contact with. the foilarranged along the inner surface of the duct during the move-ment of the axle from the first end to the second end ofduct.
    Short description of the drawingsThe present invention will now be described in more detailunder referral to the attached drawings, in which:Fig. l shows a general embodiment of the inventive apparatusin a side view.
    Fig. 2 shows a cross sectional view of an embodiment usinghot gas for heat lamination.
    Fig. 3 shows a side view of an embodiment of an axle havingheat laminating means arranged thereto.
    Fig. 4 shows a cross sectional view of a foil arranged in aduct ready for lamination.
    Fig. 5 shows an embodiment of an axle with heat laminatingmeans suitable for heat laminating an inner surface having ahexagonal cross section.
    Fig. 6a and 6b shows an embodiment of controlling the radialposition of heat laminating pads.
    Detailed description of embodimentsDifferent embodiments of the present invention will now bedescribed in detail. Different features described may beAnsökningstext 2015-03-06 150012SEcombined in any way and not only in accordance with the exem-plifying embodiments described.
    In Fig. l an embodiment of the inventive apparatus is shown.The apparatus l comprises an axle 2 having at least one heatlaminating means 3 provided in the vicinity of a first end 4of the axle 2.
    The axle 2 is elongated and as long as it willbe able to protrude out, at least a portion of the axle, theportion having the heat laminating means, of a second end ofa duct 5 to be laminated.
    The first end of the duct 5 is where the axle 2 enters aninner space 7 of the duct 5. The axle 2 being movable from afirst position outside of the first end of the duct 5 throughthe inner space 7 of the duct 5 to an end position where atleast a portion. of the axle, the portion. having' the heatlaminating means, is outside of the second end of the duct 5.In Fig 2 a duct 5 is seen in cross section showing a foil 6arranged inside the inner space 7 of the duct 5 ready forlamination. The lamination is carried out by means of heatand the foil 6 is preferably a foil 6 comprising at least onelayer of metal, such as aluminium, and one layer of thermo-plastic polymer which can be melted in order to adhere to aninner surface of the duct 5.
    In the embodiment of Fig. 2 the heat laminating means 3 pro-vides heat by blowing hot gas, preferably air, against thefoil 6 so that the foil will melt and be pressed against theinner surface of the duct 5 by means of the hot gas streamand thus adhere to the inner surface of the duct 5. Prefera-bly the heat laminating means comprises several small orific-es to spread the hot gas. In the embodiment shown in Fig. 2the inner space 7 has a circular cross sectional shape. It isAnsökningstext 2015-03-06 150012SEobviously conceivable with other cross sectional shapes, suchas hexagonal as shown in Fig. 4.In Fig. 3 an embodiment of an axle 2 is shown having at leasttwo heat laminating means 3 provided in two following axialpositions 8, 9.
    The first position 8 is the position thatfirst enters into the inner space 7 of a duct 5. It is alsopossible to have more than two axially spaced heat laminatingmeans 3. This embodiment is especially suitable when the heatlaminating means 3 are contact heating blocks 3'. When con-tact heating blocks 3' are used they must be moved radiallyoutwards to come in contact and preferably also press againstthe foil 6 so that the foil 6 will adhere to the inner sur-face of the duct 5.
    In Fig. 4 another cross sectional shape of the inner space 7is shown, in this embodiment a hexagonal shape. In Fig. 5 asuitable apparatus l for heat laminating' a foil 6 to theinner surface of a hexagonal inner space 7 of a duct 5 isshown. An axle 2 is provided having a hexagonal cross sec-tional shape. Three axial positions 8, 9, lO with heat lami-nating contact blocks 3' are provided.
    The first position 8 comprises corner blocks 3" especiallydesigned to press into the corner ll of the duct 5 and heatup the foil 6 so that the foil 6 will adhere in the cornersll. Then three blocks 3' will follow in the second position 9during the introduction and movement through the inner space7 of the duct 5.
    The three blocks 3' will be arranged onevery second side l2 of the axle 2. At last three blocks 3'are arranged on the three last sides l2 at the third positionlO so that all the corners ll and all the sides l3 will beheat laminated during the movement of the axle 2 through theinner space 7 of the duct 5.
    Ansökningstext 2015-03-06 150012SEAs previously mentioned the contact heating blocks 3 need tobe able to move from a closed position along the surface ofthe axle 2 to a working position radially distanced from thesurface of the axle 2,blocks 3'.especially if it is contact heatingOne way of accomplish this is to let the heatingblocks be movable to at least the working position by meansof climbing uphill on at least one wedge or conical device14. An example of that is shown in Fig. 6a and 6b.The wedge or conical device 14 is arranged on a rod 15, whichis axially movable inside the axle 2. The heating blocks 3'are provided with a device 16 that can slide or roll alongthe wedge or conical device 14. Preferably the device 16 isprovided with a wheel arranged in the rolling direction. Ifthe axle 2 is provided with more than one axial position ofheating blocks 3',blocks 3'each axial position 8, 9, 10 for heatinghas a wedge or conical device 14 and each has itsown rod 15.
    Ansökningstext 2015-03-06 150012SE
    权利要求:
    Claims (1)
    [1] l. .Anordning enligt krav l, .Anordning enligt krav l eller 2, .Anordning enligt krav l, .Anordning enligt krav 4, Anordning for laminering av en folie (6) (5), försedd med minst ett varmelamineringsorgan mot en innerytavarvid den innefattar en(3), det åtminstone ett varmelamineringsorganet ar anordnat i hos en långstrackt kanalaxel (2)narheten av en forsta ande (4) hos axeln, axeln ar for-flyttbar från en forsta position utanfor en forsta andeav kanalen genom ett inre utrymme (7) hos kanalen till enandposition dar åtminstone ett parti av axeln, det partisom har varmelamineringsorganet, ar utanfor av en andraande av kanalen, kännetecknad av att varmelamineringsor-ganet har åtminstone två varmeblock anordnade med glid-kontakt langs en innersida hos folien så att folien delvissmalter och faster till kanalens innersida, varmeblockenar positionerbara i åtminstone en stangd position intillaxeln och en arbetsposition på ett radiellt avstånd frånaxeln, den forsta anden av axeln ar den ande som går inett inre utrymme hos kanalen under rorelsen. i vilken en form på en ytterytahos varmeblocken motsvarar en form på innerytan hos kana-len. i vilken varmeblocken aranordnade på åtminstone två axiella positioner langs ax-eln, så att det åtminstone ett varmeblock på den andrapositionen kommer folja det åtminstone ett varmblock påden forsta positionen under axelns rorelse genom kanalensinre utrymme. 2 eller 3, i vilken varmeblockenar positionerbara i åtminstone en stangd position intillaxeln och en arbetsposition på ett radiellt avstånd frånaxeln. i vilken åtminstone några avvarmeblocken ar positionerbara i en mellanposition under den initiala lamineringen. lO. ll. .Anordning enligt krav 4 eller 5, .Anordning enligt krav 6, .Anordning enligt krav 7, i vilken varmeblockenhålls i_ den stangda positionen med hjalp av ndnst enkvarhållningsfjader.i vilken varmeblocken ar for-flyttbara till åtminstone arbetspositionen genom klatt-ring mot den breda anden på åtminstone en kil eller koniskanordning.i vilken den åtminstone en kileller koniska anordning' ar anordnad. på en respektivestång, vilken ar axiellt forflyttbar inuti axeln.Anordning enligt krav 8, i vilken varje axiell positionfor varmeblock har en kil eller konisk anordning och dessstång.Anordning enligt något av kraven 3-9, i vilken varmeblockmotsvarande hornen hos tvarsnittsformen for kanalens inreutrymme, såsom hexagonal, ar anordnade vid den forstaaxiella positionen.Metod for laminering av en folie (6) mot en inneryta hos(5),som har varmelamineringsorgan (3) ande (4) en långstrackt kanal innefattande stegen att - fora in en axel (2) vid en forsta, en ledande, hos axeln, varvid varmelamineringsorganet ar åtminstone två varmeblock anordnade for glidkontakt langs en innersida av folien så att folien delvis kommer att smalta och fasta vid- kanalen inneryta, vid en forsta ande av kanalen in i ett inre utrymme hos kanalen, - hoja upp varmelamineringsorganet i formen av åt-minstone två varmeblock radiellt så att de kommer ikontakt med folien anordnad langs kanalens inneryta, - varmelaminera langs kanalens inre utrymme (7) medanaxeln ror sig axiellt genom kanalens inre utrymme tills åtminstone ett parti av axeln som har varmelamine- ringsorganet sticker ut utanfor det inre utrymmet vid en andra ande av kanalen, och - dra tillbaka axeln genom kanalens inre utrymme till utsidan av kanalens första ande.
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    同族专利:
    公开号 | 公开日
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1550280A|SE539936C2|2015-03-06|2015-03-06|Apparatus and method for laminating a foil to a duct|SE1550280A| SE539936C2|2015-03-06|2015-03-06|Apparatus and method for laminating a foil to a duct|
    US15/555,524| US11161294B2|2015-03-06|2016-03-04|Method and apparatus for introducing a foil into an elongated duct and apparatus and method for laminating a foil to a duct|
    EP16762058.2A| EP3265291B1|2015-03-06|2016-03-04|Method and apparatus for introducing a foil into an elongated duct and apparatus and method for laminating a foil to a duct|
    PCT/SE2016/050173| WO2016144238A1|2015-03-06|2016-03-04|Method and apparatus for introducing a foil into an elongated duct and apparatus and method for laminating a foil to a duct|
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