DK178060B1 - Tarpaulin with thermo-insulating lining - Google Patents
Tarpaulin with thermo-insulating lining Download PDFInfo
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- DK178060B1 DK178060B1 DK201400151A DKPA201400151A DK178060B1 DK 178060 B1 DK178060 B1 DK 178060B1 DK 201400151 A DK201400151 A DK 201400151A DK PA201400151 A DKPA201400151 A DK PA201400151A DK 178060 B1 DK178060 B1 DK 178060B1
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- tarpaulin
- insulating
- thermo
- plastic
- ducts
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- 239000004033 plastic Substances 0.000 claims abstract description 24
- 229920003023 plastic Polymers 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 239000002657 fibrous material Substances 0.000 claims abstract description 4
- 229920000728 polyester Polymers 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims abstract description 3
- 230000001070 adhesive effect Effects 0.000 claims abstract description 3
- 239000006261 foam material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 29
- 239000011810 insulating material Substances 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 14
- 230000001427 coherent effect Effects 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000011049 filling Methods 0.000 abstract description 3
- 239000012774 insulation material Substances 0.000 abstract description 2
- 239000002985 plastic film Substances 0.000 abstract description 2
- 229920006255 plastic film Polymers 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 6
- 210000003608 fece Anatomy 0.000 description 5
- 239000010871 livestock manure Substances 0.000 description 5
- 239000010426 asphalt Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000004460 silage Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
Opfindelsen angår en presenning med termoisolerende foring. Presenningen er nærmere bestemt af den type, som er sammensat af to lag kunststofdug eller kunststoffolie (9, l 0), eksempelvis PVC-folie, som er svejset eller syet sammen i et mønster under dannelse af et antal tætliggende, parallelle kanaler (Il). I disse kanaler er der indlejret termoisolerende skum- eller fibermateriale, eksempelvis polyesterfibre (14). Opfindelsen er ejendommelig ved, at kanalerne (11) er svejset på en sådan måde, at kanalerne overlapper hinanden i sideretningen, og således, at også isoleringsfyldet (14) i kanalerne overlapper hinanden sideværts. Svejsesømmene (12, 13) vil på denne måde være overdækket af isoleringsmaterialet (14), således at "kuldebroer" i presenningen elimineres. Man opnår på denne måde den optimale isoleringsevne af presenningen. Fortrinsvis er isoleringsfyldet fikseret i presenningskanalerne ved klæbning med et egnet klæbemiddel. Derved forhindrer man, at isoleringsfyldet forskubber sig i kanalerne under presenningens brug.The invention relates to a tarpaulin with thermo-insulating lining. Specifically, the tarpaulin is of the type composed of two layers of plastic cloth or plastic film (9, 10), for example PVC film welded or stitched together in a pattern to form a plurality of adjacent parallel channels (II) . Thermo-insulating foam or fiber material, such as polyester fibers (14), is embedded in these channels. The invention is characterized in that the ducts (11) are welded in such a way that the ducts overlap each other in the lateral direction and so that the insulating fill (14) in the ducts also overlap laterally. In this way, the weld seams (12, 13) will be covered by the insulation material (14) so that "cold bridges" in the tarpaulin are eliminated. In this way, the optimum insulating capacity of the tarpaulin is achieved. Preferably, the insulation filling is fixed in the tarpaulin ducts by adhering with a suitable adhesive. This prevents the insulation filling from sliding into the ducts during tarpaulin use.
Description
Denne opfindelse angår en presenning med termoisolerende foring. Presenningen er specielt udviklet til brug ved overdækning af gylletanke af den type, som er forsynet med dobbelt overdækning, og hvor mellemrummet mellem gyllen og det underste lag overdækning benyttes som lager til opsamling af biogas. En overdækning af denne type kendes fra beskrivelsen til dansk brugsmodel BR 2000 00332: ’’Overdækning til gylletank med anordning til opsamling af biogas”. Opfinder : Erik Lundsby Andreasen.This invention relates to a tarpaulin with thermo-insulating lining. The tarpaulin has been specially developed for use in overlaying slurry tanks of the type with double overlays, where the space between the slurry and the lower layer of overlap is used as storage for biogas collection. A cover of this type is known from the description for Danish utility model BR 2000 00332: '' Cover for slurry tank with biogas collection device '. Inventor: Erik Lundsby Andreasen.
Overdækningen ifølge BR 2000 00332 består af en udvendig, teltformet dug, som er udspændt over gylletanken, og som er fastspændt til gylletankens betonelementer hele vejen rundt langs kanten af gylletanken. Dugen støttes på midten af en lodret stander, som er anbragt centralt midt i gylletanken. Standeren er indrettet med en spændeanordning til opstramning af dugen, således at overdækningen kan holdes stramt udspændt. Når overdækningen på denne måde er spændt stramt op, danner den et konusformet telt hen over gylletanken.The cover according to BR 2000 00332 consists of an outer, tent-shaped tab, which is stretched over the slurry tank and which is clamped to the concrete elements of the slurry tank all the way around the edge of the slurry tank. The tablecloth is supported on the center of a vertical stand, which is located centrally in the middle of the slurry tank. The stand is equipped with a tensioning device for tightening the tablecloth so that the cover can be kept tightly tensioned. When the cover is tightly tightened in this way, it forms a tapered tent over the slurry tank.
Foruden den udvendige dug er gylletanken forsynet med en indvendig dug, som i lighed med den udvendige dug er fastspændt til kanten af tanken hele vejen rundt langs denne. Den indvendige dug befinder sig i sin udgangsstilling hængende slapt ned over gylleoverfladen, og er tæt forbundet med standeren, således at der mellem gyllen og dugen fremkommer et gastæt reservoir. Dette reservoir har variabelt volumen. Ved passende opvarmning af gyllen og evt tilsætning af forskellige tilsætningsmidler og affaldsstoffer (fedtaffald, halmaffald, majsensilage, etc) udvikles på sædvanlig måde biogas, som opsamles i reservoiret. Under gasudviklingen spiles den indvendige dug op nærmest som en ballon. Det maksimale volumen i gasreservoiret opnås, når den indvendige dug ligger tæt an mod undersiden af overdækningen. Biogassen udledes fra reservoiret via et dertil indrettet gasudtag. Det volumen, der er afgrænset mellem den indvendige dug og overdækningen, er ventileret til det frie.In addition to the outer tablecloth, the slurry tank is provided with an inner tablecloth which, like the outer tablecloth, is clamped to the edge of the tub all the way around it. The inner tablecloth is in its initial position hanging slackly over the slurry surface, and is closely connected to the stand, so that a gas-tight reservoir is formed between the slurry and the tablecloth. This reservoir has variable volume. By appropriately heating the slurry and possibly adding various additives and waste materials (fat waste, straw waste, corn silage, etc), biogas is collected in the usual way, which is collected in the reservoir. During gas evolution, the inner tablecloth plays up almost like a balloon. The maximum volume in the gas reservoir is reached when the inner tablecloth is close to the underside of the cover. The biogas is discharged from the reservoir via a gas outlet for this purpose. The volume bounded between the inner tablecloth and the cover is ventilated to the outside.
Den biologiske gæringsproces i gylletanken fremmes som anført, ved at tilføre varme til gyllen. For at mindske varmetabet fra gylletanken er det påkrævet at varmeisolere overdækningen. Hertil er det nødvendigt at benytte en presenning med varmeisolerende egenskaber. Der benyttes sædvanligvis en PVC-presenning til formålet.The biological fermentation process in the slurry tank is promoted as indicated by adding heat to the slurry. To reduce heat loss from the slurry tank, heat insulation is required to cover. For this it is necessary to use a tarpaulin with heat insulating properties. A PVC tarpaulin is usually used for this purpose.
Der kendes forskellige former for varmeisolerende presenninger. En type, der eksempelvis benyttes til at holde asfalten varm på de lastbiler, der benyttes til udkørsel af færdigblandet, varm asfalt til udlægningsstedeme, består af to lag PVC-presenningdug, som er svejset eller syet sammen i et mønster, der frembringer et antal tætliggende, parallelle kanaler. I disse kanaler er der indlejret termoisolerende skum- eller fibermateriale, som eksempelvis kan være polyesterfibre. Opbygningen af presenningen med svejsesømme mellem de to lag PVC-presenningdug betyder imidlertid, at der opstår ’’kuldebroer” i presenningen, der hvor svejsesømmene befinder sig. Kuldebroeme reducerer presenningens varmeisoleringsevne i betragtelig grad.Various types of heat insulating tarpaulins are known. One type used, for example, to keep the asphalt warm on the trucks used to drive finished mixed hot asphalt to the laying points, consists of two layers of PVC tarpaulin welded or stitched together in a pattern which produces a number of adjacent , parallel channels. In these ducts are thermo-insulating foam or fiber material, which may be, for example, polyester fibers. However, the structure of the tarpaulin with welding seams between the two layers of PVC tarpaulin means that '' cold bridges '' occur in the tarpaulin where the welding seams are located. Refrigerants significantly reduce the tarpaulin's thermal insulation capacity.
Fra beskrivelsen til Hollandsk patent NL 8301705 A kendes en termoisolerende PVC-presenning beregnet til overdækning af en swimmingpool. Presenningen er fremstillet af to PVC-baner med en mellemliggende bane af isoleringsmateriale. Isoleringsmaterialet kan bestå af opskummet PVC eller et lignende opskummet eller fibrøst materiale med varmeisolerende oe termosveisbare enenskaber. De tre materialebaner forbindes indbyrdes ved termosvejsning langs tværgående, parallelle svejsesøm, der placeres i indbyrdes afstand. Mellem svejsesømmene fremkommer på denne måde lommer, hvis hulrum er udfyldt med isoleringsmaterialet. I selve svejsesømmene er isoleringsmaterialet presset sammen mellem de to udvendigt liggende PVC-baner, og indgår i den ved termosvej seprocessen frembragte massive svejsesøm. Isoleringsevnen i selve svejsesømmene er derfor minimal. De kuldebroer, som svejsesømmene udgør i presenningen, er stærkt medvirkende til at reducere presenningens samlede isoleringseffekt.From the specification of Dutch patent NL 8301705 A there is known a thermo-insulating PVC tarpaulin intended for covering a swimming pool. The tarpaulin is made of two PVC webs with an intermediate web of insulating material. The insulating material may consist of foamed PVC or a similar foamed or fibrous material with heat insulating and thermo-weldable properties. The three material webs are interconnected by thermal welding along transverse, parallel weld seams spaced apart. In this way, pockets whose voids are filled with the insulating material appear between the weld seams. In the weld seams themselves, the insulating material is compressed between the two outer PVC webs, and forms part of the massive welding seam produced by the thermo-welding process. The insulating ability of the weld seams is therefore minimal. The cold bridges that make up the weld seams in the tarpaulin are instrumental in reducing the overall insulation effect of the tarpaulin.
Til grund for opfindelsen ligger den opgave, at anvise en PVC-presenning med forbedret varmeisoleringsevne. Nærmere bestemt er formålet, at anvise en løsning, hvor de kuldebroer, som presenningens svejsesøm bevirker, er elimineret, og hvor man derfor undgår det varmetab, der skyldes varmens passage gennem svejsesømmene. Dette opnås ifølge opfindelsen ved at indrette presenningen således, som angivet i den kendetegnende del af krav 1.The object of the invention is to provide a PVC tarpaulin with improved thermal insulation capacity. Specifically, the purpose is to provide a solution in which the cold bridges caused by the tarpaulin weld are eliminated and therefore avoid the heat loss caused by the heat passing through the weld seams. This is achieved according to the invention by arranging the tarpaulin as set forth in the characterizing part of claim 1.
Det nye ved opfindelsen består i, at presenningskanaleme er svejset eller syet på en sådan måde, at kanalerne delvis overlapper hinanden i sideretningen, og således, at også isoleringsmaterialet i kanalerne overlapper hinanden. Isoleringsmaterialet kommer på den måde til at dække over svejsesømmene. Resultatet er, at kuldebroeme i presenningsdugen på en meget enkel og effektiv måde elimineres.What is new in the invention is that the tarpaulin ducts are welded or sewn in such a way that the ducts partly overlap in the lateral direction and so that the insulating material in the ducts also overlaps. In this way, the insulation material covers the weld seams. The result is that the tarpaulins in the tarpaulin are eliminated in a very simple and effective way.
Formålstjenligt er presenningen sammensat af en sammenhængende, dvs glat og ikke opskåret kunststofdug, på hvis ene side der er påsvejset et antal tætliggende, parallelle kunststofbændler, som delvis overlapper hinanden i sideretningen, og som danner de nævnte lukkede kanaler, hvori isoleringsfyldet er indlagt. Denne udformning gør det relativt enkelt at fremstille, dvs svejse eller sy, presenningen, samtidig med, at isoleringsmaterialet indlægges i kanalerne. Sædvanligvis fastlimes isoleringsmaterialet til kunststofdugen samtidig med, at isoleringsmaterialet indlejres i presenningskanaleme således, at isoleringsmaterialet ikke kan forskubbe sig senere hen under presenningens brug.Conveniently, the tarpaulin is composed of a coherent, i.e. smooth and not cut plastic cloth, on one side of which is welded a number of adjacent, parallel plastic tapes which partially overlap in the lateral direction, forming the said closed channels in which the insulation filling is inserted. This design makes it relatively easy to make, i.e. weld or sew, the tarpaulin, while at the same time inserting the insulating material into the ducts. Usually, the insulating material is glued to the plastic fabric at the same time as the insulating material is embedded in the tarpaulin ducts so that the insulating material cannot move later during tarpaulin use.
Alternativt kan presenningen være sammensat af to lag kunststofmateriale, fortrinsvis kunststoffolie, som er sammensvejset i et antal parallelle svejsesøm, og hvor det ene lag kunststofmateriale udgør en sammenhængende, glat dug, og det andet lag kunststofmateriale er falset og foldet på en sådan måde, at de omtalte lukkede og hinanden overlappende kanaler fremkommer mellem disse folder. Svejseteknikken er her en lidt anden, men udførelsesformen udmærker sig ved at indebære en mere rationel håndtering af foliebaneme under svejseprocessen, når begge sider af presenningen består af sammenhængende, dvs ikke opskåme, materialebaner. Den ikke foldede side af presenningen udgør presenningens overside. Isoleringsmaterialet indlægges i kanalerne, dvs mellem folderne, successivt med presenningens opsvejsning.Alternatively, the tarpaulin may be composed of two layers of plastic material, preferably plastic film, which are welded together in a number of parallel weld seams, wherein one layer of plastic material forms a coherent, smooth fabric, and the other layer of plastic material is folded and folded in such a way that the said closed and overlapping channels appear between these folds. The welding technique is a little different here, but the embodiment is distinguished by having a more rational handling of the foil webs during the welding process, when both sides of the tarpaulin consist of continuous, ie not upscale, material webs. The unfolded side of the tarpaulin forms the top of the tarpaulin. The insulating material is inserted into the ducts, ie between the folds, successively with the tarpaulin welding.
I kravene 5 - 7 er anført en række eksempler på forskellige materialetyper, især kunststoftyper, som presenningen ifølge opfindelsen med fordel kan fremstilles af. Materialevalget afhænger naturligvis helt af, hvad presenningen specifikt skal anvendes til: overdækning til gylletank, overdækning til asfalttransport, overdækning af roekuler, vinteroverdækning af byggematerialer, etc. Fortrinsvis benyttes kunststoftyper, som kan termosvejses. Presenninger af den type, som fremstilles af ikke svejsbar tekstilmateriale, kan naturligvis også udformes med hinanden overlappende isoleringskanaler jævnfør opfindelsen. I disse tilfælde kan de forskellige materialelag samles ved syning i parallelle sømme, hvilke svarer til svejsesømmene i de ovenfor omtalte kunststofpresenninger.Claims 5 to 7 contain a number of examples of various types of materials, in particular plastics, from which the tarpaulin according to the invention can advantageously be made. Of course, the choice of material depends entirely on what the tarpaulin is to be used specifically for: slurry cover, slurry for asphalt transport, overcoating, winter overlay of building materials, etc. Thermally weldable types of fabric are preferably used. Tarpaulins of the type made of non-weldable textile material can, of course, also be formed with overlapping insulation channels according to the invention. In these cases, the different layers of material can be assembled by sewing in parallel seams, which corresponds to the weld seams of the above-mentioned plastic covers.
Opfindelsen og specielt fordelagtige udførelsesformer og detaljer ved denne forklares nærmere i enkeltheder i det følgende under henvisning til figurerne på tegningen.The invention and particularly advantageous embodiments and details thereof are explained in more detail below with reference to the figures in the drawing.
Fig. 1 viser en gylletank med dobbelt overdækning og reservoir til opsamling af biogas, vist i lodret tværsnit med gasreservoiret i halvt fyldt tilstand, fig. 2 samme gylletank vist med gasreservoiret i helt fyldt tilstand, fig. 3 et forstørret tværsnit langs linien A-A i fig. 1, der viser opbygningen af presenningen med overlappende isoleringskanaler i den øverste tankoverdækning, og fig. 4 et andet eksempel på udformningen af en presenning med termoisolerende kanalstruktur.FIG. Fig. 1 shows a slurry tank with double cover and reservoir for collecting biogas, shown in vertical cross section with the gas reservoir in half-filled condition; 2 shows the same slurry tank shown with the gas reservoir in full condition; FIG. 3 is an enlarged cross-section along the line A-A of FIG. 1, showing the structure of the tarpaulin with overlapping insulation ducts in the upper tank cover; and FIG. 4 shows another example of the design of a tarpaulin with thermo-insulating duct structure.
I den på tegningens fig. 1 og 2 viste gylletank er tankens sideelementer angivet med 1, øverste overdækningspresenning med 2, underste overdækningsdug med 3, tankens lodrette bæresøjle med 4, og tankens støbte bund med 5. Gyllen er angivet med G. Mellemrummet mellem gylles overflade 6 og den underste overdækningsdug 3 udgør et lukket gasreservoir 7, hvori den i gylletanken udviklede biogas opsamles. Gassen udvikles ved en biologisk gæringsproces, som fremskyndes ved opvarmning af gyllen.In the FIG. The manure tank shown in Figures 1 and 2 is the side elements of the tank indicated by 1, the upper cover canvas with 2, the lower cover canvas with 3, the vertical pillar of the tank with 4, and the molded bottom of the tank with 5. The manure is indicated by G. The space between the manure surface 6 and the lower canvas. 3 constitutes a closed gas reservoir 7 in which the biogas developed in the slurry tank is collected. The gas is developed by a biological fermentation process which is accelerated by heating the slurry.
I fig. 1 er tanken vist med løst nedhængende underste overdækningsdug 3, hvilket indikerer, at gasreservoiret 7 kun er delvis fyldt med biogas. Under den fortsatte gasudvikling fyldes gasreservoiret helt, hvilket sker under udspiling af den underste overdækningsdug 3, som derved presses op mod undersiden af den øverste overdækningspresenning 2, se fig. 2. Samtidig presses den luftmængde, der befinder sig indesluttet mellem den øverste overdækningspresenning 2 og den underste overdækningsdug 3, ud via en i den øverste overdækningspresenning 2 indbygget trykudligningsventil 8.In FIG. 1, the tank is shown with a loose hanging lower cover 3, which indicates that the gas reservoir 7 is only partially filled with biogas. During the continued evolution of gas, the gas reservoir is completely filled, which occurs during the flushing of the lower cover cloth 3, which is thereby pressed up against the underside of the upper cover cover 2, see fig. 2. At the same time, the amount of air enclosed between the upper cover sheet 2 and the lower cover sheet 3 is squeezed out via a pressure relief valve 8 built into the upper cover sheet 2.
For at økonomisere med den varme, der tilføres gyllen, er det nødvendigt at isolere gylletanken så godt som muligt, herunder også overdækningen 2. Til det formål er den øverste overdækningspresenning 2 gjort termoisolerende. Dette opnår man ved at indrette presenningen med et system af tætliggende, parallelle kanaler, hvori der er indlejret termoisolerende materiale, se fig. 3 og 4.In order to economize with the heat supplied to the manure, it is necessary to insulate the manure tank as well as possible, including also the cover 2. For this purpose, the upper cover canvas 2 is made thermo-insulating. This is achieved by arranging the tarpaulin with a system of adjacent parallel channels in which thermo-insulating material is embedded, see fig. 3 and 4.
I fig. 3 er vist et forstørret udsnit af den øverste overdækningspresenning 2, vist i tværsnit langs linien A-A i fig. 1. Af figuren fremgår, hvorledes der på undersiden af presenningens øverste materialelag 9 er påsvejset et antal parallelle bændler 10, som danner tætliggende kanaler 11, der overlapper hinanden i sideretningen. Bændlerne 10 er nærmest taglagt ind over hinanden, således hver bændel dels er svejset fast til undersiden af materialelaget 9 langs en første kant-svejsesøm 12, dels til oversiden af nabo-bændlen 10 langs en anden kant-svejsesøm 13. De to kant-svejsesømme er parallelle og langsgående. De lukkede kanaler 11, som på denne måde afgrænses af bændlerne 10 og det øverste materialelag 9 i forening, er udfyldt med isoleringsmateriale 14, som indlægges i kanalerne under svejseprocessen. Det fremgår umiddelbart af tegningen, at svejsningerne 12 er overdækket med isoleringsmateriale og derfor ikke udgør kuldebroei i presenningen. Isoleringsmaterialet 14 kan med fordel være klæbet fast til materialelage 9 ved hjælp af et til formålet egnet klæbemiddel.In FIG. 3 is an enlarged sectional view of the upper covering tarpaulin 2, shown in cross-section along the line A-A in FIG. 1. The figure shows how, on the underside of the top material layer 9 of the tarpaulin, a number of parallel tapes 10 are welded which form adjacent channels 11 which overlap in the lateral direction. The tapes 10 are almost superimposed on each other, so that each tape is welded to the underside of the material layer 9 along a first edge weld seam 12 and partly to the upper side of the neighboring tape 10 along a second edge weld seam 13. The two edge weld seams are parallel and longitudinal. The closed ducts 11, which are thus delimited by the tapes 10 and the top material layer 9 in unison, are filled with insulating material 14 which is inserted into the ducts during the welding process. It is immediately apparent from the drawing that the welds 12 are covered with insulating material and therefore do not form a cold hatch in the tarpaulin. Advantageously, insulating material 14 may be adhered to material layer 9 by means of an adhesive suitable for the purpose.
I fig. 4 er vist en anden udformning af presenningen, hvor der i stedet for bændler 10 er benyttet en sammenhængende materialebane 15 af kunststoffolie som kanaldannende materialelag. Materialebanen 15 er foldet og svejset til det øverste materialelag 9, som det fremgår af tegningen, under dannelse af et system af tætliggende, og hinanden overlappende kanaler 16. Kanalerne er fyldt med isoleringsmateriale 17. Isoleringsmaterialet 17 indlægges i kanalerne 16 samtidig med, at disse foldes op og svejses. Udførelsesformen udmærker sig især ved, at både det øverste materialelag 9 og den underste materialebane 15 i presenningen består af hele sammenhængende materialebaner, der ikke er skåret op. Dette giver en produktionsmæssig fordel, når materialebaneme skal håndteres under presenningens fremstilling, dvs under foldeprocessen, svejseprocessen og under ilægningen af isoleringsmaterialet.In FIG. 4, another embodiment of the tarpaulin is shown, in which, instead of tapes 10, a continuous material web 15 of synthetic film is used as channel forming material layer. The material web 15 is folded and welded to the upper material layer 9 as shown in the drawing, forming a system of adjacent and overlapping channels 16. The channels are filled with insulating material 17. The insulating material 17 is inserted into the channels 16 at the same time as these. folded up and welded. The embodiment is particularly distinguished by the fact that both the upper material layer 9 and the lower material web 15 of the tarpaulin consist of whole continuous non-cut material webs. This gives a production advantage when the material webs have to be handled during the fabric preparation, ie during the folding process, the welding process and during the loading of the insulating material.
Det materiale, der benyttes til den termoisolerede presenning, er fortrinsvis PVC. Andre kunststoftyper kan dog også komme på tale, eksempelvis polyetylen, polypropylen og folielaminat. Som isoleringsmateriale 14 og 17 benyttes fortrinsvis polyesterfibre, men andre fibrøse eller opskummede materialetyper kan også komme på tale.The material used for the thermo-insulated tarpaulin is preferably PVC. However, other types of plastics can also be discussed, for example polyethylene, polypropylene and foil laminate. As insulating material 14 and 17, polyester fibers are preferably used, but other fibrous or foamed material types may also be considered.
Som alternativ til de ovenfor beskrevne presenninger, som er fremstillet ved termosvej sning af forskellige lag af kunststofdug (plastfolie og lignende, eksempelvis netarmeret kunststofmateriale), er det også muligt at fremstille en presenning efter det koncept, som er beskrevet, af traditionel tekstilmateriale, og at der i stedet for termosvej sninger benyttes syninger.As an alternative to the tarpaulins described above, which are made by thermally welding different layers of plastic cloth (plastic wrap and the like, for example net reinforced plastic material), it is also possible to make a tarpaulin according to the concept described, of traditional textile material, and that sewing is used instead of thermo welding.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK201400151A DK178060B1 (en) | 2013-03-22 | 2014-03-18 | Tarpaulin with thermo-insulating lining |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK201300044 | 2013-03-22 | ||
| DKPA201300044 | 2013-03-22 | ||
| DK201400151A DK178060B1 (en) | 2013-03-22 | 2014-03-18 | Tarpaulin with thermo-insulating lining |
| DK201400151 | 2014-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK201400151A DK201400151A (en) | 2014-09-23 |
| DK178060B1 true DK178060B1 (en) | 2015-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK201400151A DK178060B1 (en) | 2013-03-22 | 2014-03-18 | Tarpaulin with thermo-insulating lining |
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| Country | Link |
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| DK (1) | DK178060B1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468833A (en) * | 1974-07-15 | 1977-03-30 | Bricell Plastics Ltd | Thermal insulation mat or blanket |
| NL8301703A (en) * | 1983-05-11 | 1984-12-03 | Jan Lucien Daenen | Swimming pool insulation blanket - has e.g. PVC foam layer sandwiched between and heat-welded to e.g. PVC foil sheets at intervals |
| US4672691A (en) * | 1985-12-06 | 1987-06-16 | Adi Limited | Bulk volume fermenter |
| DE3644350A1 (en) * | 1986-12-19 | 1988-07-07 | Meyer Gerhard & Co | Storage silo for receiving organic stored material, in particular grain |
| DK200000332U3 (en) * | 2000-11-08 | 2000-12-08 | Lundsby Ind As | Cover for slurry tank with biogas collection device |
| US20090071904A1 (en) * | 2005-04-06 | 2009-03-19 | Geomembrane Technologies Inc. | Membrane cover having a protective layer to prevent deterioration of UV stabilizers therein |
-
2014
- 2014-03-18 DK DK201400151A patent/DK178060B1/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468833A (en) * | 1974-07-15 | 1977-03-30 | Bricell Plastics Ltd | Thermal insulation mat or blanket |
| NL8301703A (en) * | 1983-05-11 | 1984-12-03 | Jan Lucien Daenen | Swimming pool insulation blanket - has e.g. PVC foam layer sandwiched between and heat-welded to e.g. PVC foil sheets at intervals |
| US4672691A (en) * | 1985-12-06 | 1987-06-16 | Adi Limited | Bulk volume fermenter |
| US4672691B1 (en) * | 1985-12-06 | 2000-09-12 | Adi Group Inc | Bulk volume fermenter |
| DE3644350A1 (en) * | 1986-12-19 | 1988-07-07 | Meyer Gerhard & Co | Storage silo for receiving organic stored material, in particular grain |
| DK200000332U3 (en) * | 2000-11-08 | 2000-12-08 | Lundsby Ind As | Cover for slurry tank with biogas collection device |
| US20090071904A1 (en) * | 2005-04-06 | 2009-03-19 | Geomembrane Technologies Inc. | Membrane cover having a protective layer to prevent deterioration of UV stabilizers therein |
Also Published As
| Publication number | Publication date |
|---|---|
| DK201400151A (en) | 2014-09-23 |
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