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SI8810604A8 - Light building thermoisolative fire-resistant plate and method for manufacturing - Google Patents

Light building thermoisolative fire-resistant plate and method for manufacturing Download PDF

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Publication number
SI8810604A8
SI8810604A8 SI8810604A SI8810604A SI8810604A8 SI 8810604 A8 SI8810604 A8 SI 8810604A8 SI 8810604 A SI8810604 A SI 8810604A SI 8810604 A SI8810604 A SI 8810604A SI 8810604 A8 SI8810604 A8 SI 8810604A8
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Slovenia
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sheet
thermal insulation
layer
heat
layers
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SI8810604A
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Slovenian (sl)
Inventor
Janez Tratnik
Drago Radminic
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Trimo
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Publication of SI8810604A8 publication Critical patent/SI8810604A8/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

The lightweight, heat-insulating, fire-resistant structural panel in sandwich form has, as outer coverings, two profiled metal sheets (1, 2) between which lamellae of a heat-insulating filler (3) are located, all three layers being adhesively bonded together by polyurethane. The structural panel has a fire resistance of from 30 to 60 minutes, a heat transmission coefficient K of from 0.59 to 0.34 W/m<2>K and a thickness of from 50 to 100 mm. The density of the heat-insulating filler is from 50 to 100 kg/m<3>. In order to produce said structural panel, the upper metal sheet, the heat-insulating filler and the lower metal sheet are supplied separately in a continuous manner. Before assembly, there is injected, between the upper metal sheet and the heat-insulating filler and between the lower metal sheet and the heat-insulating filler, a two-component polyurethane adhesive-bonding composition which adhesively bonds all three layers upon polymerisation. <IMAGE>

Description

Trebanjska industrija montažnih objektov n.sol.o.Trebnje Prefabricated Building Industry n.sol.o.

Lahka gradbena termoizolacijska ognjeodporna plošča in postopek za njeno izdelavoLightweight construction thermal insulation fireproof panel and process for its manufacture

Področje tehnike, v katero spada izumFIELD OF THE INVENTION

Izum je s področja termoizolacijskih ognjeodpornih materialov ter se nanaša na lahko gradbeno termoizolacijsko ognjeodporno ploščo in na kontinuiran tehnološki postopek za njeno izdelavo. Te plošče imajo kot zunanjo oblogo sendviča dve profilirani pločevini, vmes pa so lamele iz ognjeodpornega materiala, prilepljene na zunanja sloja.The invention is in the field of thermal insulation refractory materials and relates to a lightweight building thermal insulation refractory board and to a continuous technological process for its manufacture. These panels have two profiled sheets as the outer sandwich coating, and in between are lamellae made of fireproof material glued to the outer layers.

Tehnični problemA technical problem

Obstajala je potreba, da bi razvili lahke gradbene termoizolacijske ognjeodporne plošče z enakomerno kvaliteto kot tudi ustrezen tehnološki postopek za njihovo izdelavo.There was a need to develop lightweight, heat-insulated building boards of uniform quality, as well as an appropriate technological process for their manufacture.

Stanje tehnikeThe state of the art

Podobne proizvode zaenkrat izdelujejo le ročno z lepljenjem posameznih slojev.So far, similar products are only made by hand by gluing individual layers.

Po drugi strani pa je znan kontinuiren tehnološki postopek za izdelavo termoizolacijskih plošč na znani kontinuirni liniji, kjer zunanjo oblogo sendviča prav tako predstavljata dve profilirani pločevini, notranjost - polnilo pa je poliuretanska termoizolacijska pena. Take plošče pa niso ognjeodporne.On the other hand, there is a continuous technological process for making thermal insulation boards on a known continuous line, where the sandwich outer lining is also represented by two profiled sheets and the inside - the filler is polyurethane thermal insulation foam. However, such panels are not fireproof.

Opis rešitve tehničnega problema z izvedbenim primeromDescription of a solution to a technical problem with an implementation example

Predmet izuma je nova lahka gradbena termoizolacijska ognjeodporna plošča v obliki sendviča, ki ima kot zunanjo oblogo dve profilirani pločevini, med katerima so lamele termoizolacijskega polnila, vsi trije sloji pa so zlepljeni s poliuretanom, s požarno odpornostjo od 30 do 60 minut in koeficientom toplotnega prehoda K 0,59 do 0,34 W/m2K z debelino od 50 do 100 mm in gostoto termoizolacijskega polnila od 50 do 100 kg/m3.The subject of the invention is a new lightweight construction sandwich sandwich thermal insulation panel having two profiled sheets as the outer covering, between which the insulation filler lamellae and all three layers are bonded with polyurethane, with a fire resistance of 30 to 60 minutes and a heat transfer coefficient K 0.59 to 0.34 W / m 2 K with a thickness of 50 to 100 mm and a density of thermal insulation fill from 50 to 100 kg / m 3 .

Kontinuirni tehnološki postopek za izdelavo te plošče, ki je tudi predmet izuma, izvedemo tako, da kontinuirno posebej uvajamo sloj zgornje pločevine, sloj termoizolacijskega polnila in sloj spodnje pločevine ter pred združitvijo slojev med sloj zgornje pločevine in sloj termoizolacijskega polnila kot tudi med sloj spodnje pločevine in sloj termoizolacijskega polnila vbrizgavamo lepilno dvokomponentno poliuretansko maso, ki pri polimerizaciji zlepi vse tri sloje.The continuous technological process for the production of this plate, which is also the subject of the invention, is carried out by continuously introducing separately the top sheet layer, the layer of thermal insulation filler and the lower sheet layer, and before combining the layers between the upper sheet layer and the thermal insulation layer as well as between the lower sheet layer and a layer of thermo-insulating filler inject an adhesive two-component polyurethane mass that adheres all three layers during polymerization.

Kot profilirano pločevino uporabimo jekleno pocinkano in barvano pocinkano pločevino, Al pločevino ali bakreno pločevino za globok vlek, z debelino od 0,5 do 0,8 mm.As a profiled sheet, we use steel galvanized and painted galvanized sheet metal, Al sheet metal or copper sheet for deep drawing, with a thickness of 0.5 to 0.8 mm.

Kot termoizolacijsko polnilo uporabimo stekleno volno, npr. Novoterm (proizvaja Krka, Novo mesto), Tervol (proizvaja Termika, Ljubljana).Glass wool is used as a thermal insulation filler, e.g. Novoterm (produced by Krka, Novo mesto), Tervol (produced by Termika, Ljubljana).

Bistveno je, da ima naslednje karakteristike: stisljivost 10% pri tlačni obremenitvi 0,025 kN/cm2, toplotno prevodnost J) = 0,040 W/mK, gostoto od 50 do 100 kg/m3, negorljive ali težko gorljive primesi kot vezivo vlaken.It is essential that it has the following characteristics: compressibility of 10% at a compressive load of 0.025 kN / cm 2 , thermal conductivity J) = 0.040 W / mK, density from 50 to 100 kg / m 3 , non-combustible or combustible impurities as a fiber binder.

Stekleno volno v obliki blokov je treba narezati pravokotno na smer vlaken. Dobljene lamele uvajamo kot vmesni sloj tako, da je smer vlaken pravokotna na smer gibanja linije in pravokotna na zunanjo oblogo.Block-shaped glass wool should be cut perpendicular to the fiber direction. The obtained lamellae are introduced as an intermediate layer such that the fiber direction is perpendicular to the direction of line motion and perpendicular to the outer lining.

S tem je zagotovljena dobra prepojitev s poliuretansko maso. Količina polnila je od 3 do 10 kg/m2 izdelka glede na debelino sendviča in gostoto polnila.This ensures good absorption by the polyurethane mass. The amount of filling is from 3 to 10 kg / m 2 of the product depending on the thickness of the sandwich and the density of the filling.

Za lepljenje uporabimo dvokomponentno poliuretansko maso ki mora imeti naslednje splošne karakteristike: brezhibno oprijemljivost, po formiranju pene mora imeti le-ta trajno elastičnost, pena mora biti težko gorljiva (minimalen požarni odziv), toplotno prevodnost λ= 0,035 W/mK, stisljivost 10% pri tlačni obremenitvi 1 kN/cm2, odpornost proti difuziji vlage.For bonding, a two-component polyurethane mass must be used, which must have the following general characteristics: flawless adhesion, after foam formation, it must have a permanent elasticity, the foam must be highly combustible (minimum fire response), thermal conductivity λ = 0.035 W / mK, compressibility 10% at a compressive load of 1 kN / cm 2 , moisture diffusion resistance.

Za izdelavo plošč v smislu izuma je primerna vsaka naprava, ki ima logično tehnološko zaporedje, kot sledi: profiliranje pločevine, doziranje izolacijskih in lepilnih komponent, oblikovanje sendvič-plošče in zlepljenje vseh slojev, razrez gotovih plošč. Ne gre za nikakršne specializirane naprave, ki jih ni mogoče kupiti na evropskem tržišču.For the manufacture of panels according to the invention, any device having a logical technological sequence is suitable, as follows: sheet profiling, dosing of insulating and adhesive components, sandwich panel design and bonding of all layers, cutting of finished plates. These are not specialized devices that cannot be purchased on the European market.

Zlasti je primerna naprava iz stanja tehnike za proizvodnjo plošč s poliuretanskim termoizolacijskim polnilom.In particular, a state-of-the-art device for the manufacture of panels with polyurethane thermal insulation filler is suitable.

Za postopek izdelave plošč v smislu izuma je bilo potrebno inventivno kombiniranje operacij, t.j. kako istočasno zagotoviti medsebojno lepljenje vseh slojev in kako zagotoviti ustrezno vbrizgavanje, da bo proizvedena plošča monolitna. Za kvalitetno lepljenje in kvaliteten proizvod je bila potrebna tudi zagotovitev doziranja poliuretanske mase, oblike polnila in načina dovajanja, obratovalne temperature vstopnih materialov in optimalne hitrosti linije.An inventive combination of operations, i.e. how to bond all layers at the same time and how to ensure proper injection to make the board monolithic. Quality bonding and a quality product also required the provision of polyurethane mass dosing, filler form and delivery method, operating temperature of inlet materials and optimum line speed.

Izum natančneje pojasnjujemo s pomočjo priložene risbe, kjer je sl. 1 shematski prikaz naprave v narisu, sl. 2 je isti v tlorisu, sl. 3 pa je prečni prerez po črti III-III s sl. 1.The invention is explained in more detail by means of the accompanying drawing, in which: FIG. 1 is a schematic view of the device in the outline, FIG. 2 is the same in plan, FIG. 3 is a cross-section along line III-III of FIG. 1.

V napravo za izdelavo plošče uvajamo vzporedno eno nad drugo dve profilirani pločevini 1 in 2 kot zunanjo oblogo sendviča. Med pločevini 1 in 2 s strani uvajamo iz podajalne naprave 7 za polnilo termoizolacijsko polnilo 3 v obliki lamel, ki so narezane prečno na vlakna iz bloka polnila, na uvajalnem mestu 9- Pred združitvijo slojev med zgornjo pločevino 1 in sloj termoizolacijskega polnila 3 vbrizgavamo od zgoraj iz brizgalnega izvora 5 ter med spodnjo pločevino 2 in sloj termoizolacijskega polnila 3 vbrizgavamo od spodaj iz brizgalnega izvora 4 dvokomponentno poliuretansko maso, ki pri polimeriziranju zlepi vse tri sloje. V dvojnem brezkončnem traku 6 oblikujemo končne gabarite plošč, ki v ekspanzijskem sektorju 8 zorijo do popolnega zlepljenja.We introduce two profiled sheets 1 and 2 parallel to each other in the plate making apparatus as an outer sandwich cover. Between the sheets 1 and 2, from the feeder 7, a thermo-insulating filler 3 in the form of lamellae, which is cut transversely to the fibers from the filler block, is introduced from the feeder 7 at the feed-in point 9- Injection of above from the injection molding 5 and between the lower sheet 2 and the layer of thermal insulation filler 3, a two-component polyurethane mass is injected from below from the injection molding 4 which adheres all three layers during polymerization. In the double endless strip 6, the final dimensions of the plates are formed, which in the expansion sector 8 mature to complete adhesion.

Izredno pomembno je, da poliuretansko maso vbrizgavamo na dveh mestih, in sicer enkrat od zgoraj in drugič spodaj.It is extremely important that the polyurethane mass is injected in two places, one from the top and the other from below.

Primerni parametri se gibljejo Suitable parameters are moving v naslednjih območjih: in the following areas: hitrost linije line speed od 4 do 5 m/min from 4 to 5 m / min hitrost brizgalnih izvorov, t.j. nihalnih rok the speed of the injection springs, i.e. swinging arms od 1,5 do 2,5 nihajev/min from 1.5 to 2.5 swings / min količina poliuretanskih komponent na spodnjem brizgalnem izvoru the amount of polyurethane components on the lower injection source od 1,6 do 2,3 kg/min from 1.6 to 2.3 kg / min količina poliuretanskih komponent na zgornjem brizgalnem izvoru the amount of polyurethane components on the top injection source od 1,6 do 2,1 kg/min from 1.6 to 2.1 kg / min obratovalna temperatura poliuretanskih komponent operating temperature of polyurethane components od 20 do 22°C from 20 to 22 ° C obratovalna temperatura termoizolacijskega polnila operating temperature of thermal insulation filler vsaj 18°C at least 18 ° C obratovalna temperatura pločevine operating temperature of sheet metal od 40 do 50°C from 40 to 50 ° C razmaje med vhodnim delom dvojnega traku 6 in spodnjim brizgalnim izvorom 4 the gap between the inlet portion of the double strip 6 and the lower injection source 4 s1 ~ v(t+15)s 1 ~ v (t + 15) razmak med vhodnim delom dvojnega traku 6 in zgornjim brizgalnim izvorom 5 the distance between the inlet portion of the double strip 6 and the upper injection source 5 s2 =iv(t+5)s 2 = iv (t + 5) (Oznake pomenijo: v = hitrost linije v mm/s t - čas kraniranja v sek) s^,s2 sta razdalji) Debelino plošče lahko variiramo od 40 do 100'mm.(Marks mean: v = line speed in mm / s t - cranking time in sec) s ^, s 2 being distances) The thickness of the panel can be varied from 40 to 100'mm. Tako dobimo proizvod - sendvič So we get a product - a sandwich ploščo, ki je monolitne a board that is monolithic

sestave in v gradbeništvu zagotovi zadostno nosilnost na določenih razponih podpor, požarno odpornost od 30 do 60 minut in toplotno izolacijo s koeficientom K 0,34 do 0,59 W/m2K, pri čemer sta obe karakteristiki odvisni od debeline plošče.assembly and in the building industry provides sufficient load-bearing capacity over specified ranges of supports, fire resistance of 30 to 60 minutes and thermal insulation with a coefficient of K 0.34 to 0.59 W / m 2 K, both of which depend on the thickness of the plate.

Lahko gradbeno termoizolacijsko ognjeodporno ploščo uporabljamo kot oblogo za izoliranje fasad in strehe z nagibom nad 6°.The building's thermal insulation fireproof panel can be used as a liner for insulating facades and roofs with a slope of more than 6 °.

Glede ognjeodpornosti smo dobili atest iz Zavoda za raz iskavo materiala in konstrukcij (JUS U.J1.O9O) iz Ljubljane.As regards fire resistance, we received a certificate from the Institute for Research of Materials and Structures (JUS U.J1.O9O) from Ljubljana.

Izum pojasnjujemo z naslednjim izvedbenim primerom.The invention will be explained by the following embodiment.

PRIMEREXAMPLE

Na kontinuirni liniji, ki je sicer namenjena za izdelavo znanih termoizolacijskih sendvič plošč s poliuretanskim polnilom, uvajamo vzporedno eno nad drugo dve profilirani pločevini (npr. pocinkano jekleno pločevino, debelina 0,5 do 0,8 mm, kvaliteta ČZnO3 po JUS C.B4.025; ali Al pločevino, debelina 0,7 ali 0,8 mm, kvaliteta Al 99,5 po JUS C.C4.020). s širino 1350 mm (spodnja pločevina) in 1000 mm (zgornja pločevina) kot zunanjo oblogo sendviča. Med obe pločevini uvajamo s strani lamele NOVOTERMA (gostota 50 do 60 kg/m3, nosilnost 2,5 kg/cm2 pri 10% stisljivosti) ali TERVOLA z gostoto 80 do 100 kg/m3.On a continuous line, which is intended for the production of known thermo-insulating sandwich panels with polyurethane filling, two profiled sheets (eg galvanized steel sheet, thickness 0.5 to 0.8 mm, quality ČZnO3 according to JUS C.B4) are introduced in parallel. .025; but Al sheet metal, 0.7 or 0.8 mm thick, quality Al 99.5 per JUS C.C4.020). with a width of 1350 mm (bottom sheet) and 1000 mm (top sheet) as the sandwich outer lining. The NOVOTERMA (density 50 to 60 kg / m 3 , load capacity 2.5 kg / cm 2 at 10% compressibility) or TERVOLA with density 80 to 100 kg / m 3 is introduced between the two sheets.

zz

Polagamo jih pravokotno na smer vlaken oz. smer gibanja linije. Hitrost linije je 4,5 m/min.They are laid perpendicular to the direction of the fibers. the direction of motion of the line. The line speed is 4.5 m / min.

Med sloja zgornja pločevina-termoizolacijsko polnilo in med sloja spodnja pločevina-termoizolacijsko polnilo vbrizgavamo iz zgornjega in spodnjega brizgalnega izvora (razmik obeh izvorov 900 mm), pri čemer je hitrost nihalnih rok 2 nihaja/min, poliuretanske komponente, t.j. dvokomponentno poliuretansko masoThe upper sheet-thermo-insulating filler and the lower sheet-thermal-insulating filler are injected from the upper and lower injection molding source (900 mm spacing) between the layers, the oscillation rate of the arms being 2 oscillations / min, polyurethane components, i.e. two component polyurethane mass

Poliol-izocianat s karakteristikami:Polyol isocyanate with characteristics:

čas kremiranja cremation time 16 s 16 s čas penjenja foaming time 50 s 50 s čas zorenja pene foam maturation time 60 s 60 s doziranje na spodnji nihalni roki dosing on the lower swing arm 2,3 kg/min 2.3 kg / min doziranje na zgornji nihalni roki dosing on the upper swing arm 2,1 kg/min 2.1 kg / min

Obratovalna temperatura poliuretanskih komponent je 20 do 22°C, termoizolacijskega polnila minimalno 18°C in pločevine 40 do 50°C. Razmak med vhodnim delom dvojnega traku in spodnjim brizgalnim izvorom je 1400 mm.The operating temperature of the polyurethane components is 20 to 22 ° C, thermal insulation filler minimum 18 ° C and sheets 40 to 50 ° C. The distance between the inlet portion of the double strap and the lower injection source is 1400 mm.

V napravi za formiranje plošče poliuretanska masa pri polimerizaciji zlepi vse tri sloje in dobimo želen proizvod.In the plate forming apparatus, the polyurethane mass, upon polymerization, adheres all three layers to give the desired product.

Claims (4)

PATENTNI ZAHTEVKIPATENT APPLICATIONS 1. Lahka gradbena termoizolacijska ognjeodporna plošča, označena s tem, da je v obliki sendviča, ki ima kot zunanjo oblogo dve profilirani pločevini, med katerima so lamele termoizolacijskega polnila, vsi trije sloji pa so zlepljeni s poliuretanom, s požarno odpornostjo od 30 do 60 minut in koeficientom toplotnega prehoda K 0,59 do 0,34 W/m2K z debelino od 50 do 100 mm in gostoto termoizolacijskega polnila od 50 do 100 kg/m3.1. Lightweight construction insulation fireproof panel, characterized in that it is in the form of a sandwich having two profiled sheets as the outer lining, between which are lamellae of thermal insulation filling and all three layers are glued with polyurethane, with a fire resistance of 30 to 60 minutes and a heat transfer coefficient K of 0.59 to 0.34 W / m 2 K with a thickness of 50 to 100 mm and a density of thermal insulation fill of 50 to 100 kg / m 3 . 2. Postopek za izdelavo lahke gradbene termoizolacijske ognjeodporne plošče po zahtevku 1, označen s tem, da kontinuirno posebej uvajamo sloj zgornje pločevine, sloj termoizolacijskega polnila in sloj spodnje pločevine ter pred združitvijo slojev med sloj zgornje pločevine in sloj termoizolacijskega polnila kot tudi med sloj spodnje pločevine in sloj termoizolacijskega polnila vbrizgavamo lepilno dvokomponentno poliuretansko maso, ki pri polimerizaciji zlepi vse tri sloje, pri čemer je obratovalna temperatura termoizolacijskega polnila vsaj 18°C, obratovalna temperatura pločevine od 40 do 50°C, hitrost linije od 4 do 5 m/min. in hitrost brizgalnih izvorov od 1,5 do 2,5 nihajev/min.2. A method for making a lightweight building thermal insulation refractory board according to claim 1, characterized in that the top sheet layer, the thermal insulation layer and the lower sheet layer are continuously introduced separately and before the layers are combined between the upper sheet layer and the thermal insulation layer layer as well as sheets and a layer of thermal insulation filler inject an adhesive two-component polyurethane mass which cures all three layers during polymerization, with an operating temperature of thermal insulation filler of at least 18 ° C, an operating temperature of the sheet from 40 to 50 ° C, a line speed of 4 to 5 m / min . and injection molding speeds of 1.5 to 2.5 swings / min. 3. Postopek po zahtevku 2, označen s tem, da je pločevina jeklena pocinkana pločevina ali barvana pocinkana pločevina ali Al pločevina ali bakrena pločevina za globok vlek.Method according to claim 2, characterized in that the sheet is steel galvanized sheet or colored galvanized sheet or Al sheet or copper sheet for deep drawing. 4. Postopek po zahtevku 2, označen s tem, da je termoizolacijsko polnilo steklena volna.Method according to claim 2, characterized in that the insulation filler is glass wool.
SI8810604A 1988-03-25 1988-03-25 Light building thermoisolative fire-resistant plate and method for manufacturing SI8810604A8 (en)

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YU604/88A YU45493B (en) 1988-03-25 1988-03-25 Light building thermoisolative fire-resistant plate

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SI8810604A8 true SI8810604A8 (en) 1996-06-30

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DE (1) DE3824842A1 (en)
FR (1) FR2629117A1 (en)
IT (1) IT1223742B (en)
SI (1) SI8810604A8 (en)
YU (1) YU45493B (en)

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DE3824842C2 (en) 1992-01-09
IT1223742B (en) 1990-09-29
IT8867725A0 (en) 1988-07-29
YU60488A (en) 1990-12-31
FR2629117A1 (en) 1989-09-29
YU45493B (en) 1992-05-28
DE3824842A1 (en) 1989-10-12

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