DK159885B

DK159885B - VENTILATION ELEMENT FOR ROOF COVERINGS

Info

Publication number: DK159885B
Application number: DK582586A
Authority: DK
Inventors: Andrea Hechler-Kerschgens; Karl-Heinz Hofmann
Original assignee: Braas Gmbh
Priority date: 1985-12-05
Filing date: 1986-12-03
Publication date: 1990-12-24
Also published as: GB2185099B; IT8683450A0; GB2185099A; NL192271B; GB8629011D0; DK582586D0; DK159885C; NL192271C; DK582586A; FR2591255B1; ATA322186A; FR2591255A1; DE3543005C2; IT1205538B; AT395996B; DE3543005A1; NL8603094A

Description

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Opfindelsen angår et ventilationselement, der består af en i ét stykke formet plastdel og som kan anbringes mellem to indbyrdes overlappende på tværs af faldlinien udlagte tagfolier af et skråt tag, og som derpå - i indbygningssti 11 ingen - med 5 en nedre bæreflade ligger på den nedre foliebane, med en øvre anlægsflade understøtter den overlappende øvre foliebane, mellem disse flader har luftgennemstrømningsåbninger, og som med mindst et fastgørelseselement kan ophænges på yderranden af den nedre foliebane, der er fastlagt på den mod taget vendende 10 side.BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a ventilation element consisting of a one-piece plastic part, which can be arranged between two mutually overlapping rooflines laid out by a sloping roof, and which - in the installation path 11 - with a lower supporting surface lies on the The lower foil web, with an upper abutment surface, supports the overlapping upper foil web, between these surfaces having air flow openings and which can be suspended with at least one fastening element on the outer edge of the lower foil web, which is fixed on the facing side 10.

Et sådant ventilationselement kendes fra DE offentliggørelsesskrift nr. 32 02 509. Dette kendte ventilationselement har en bueformet krummet grundplade med hvis bueformede glatte ydre 15 anlægsflade ventilationselementet - i indbygningssti11ing - ligger på den nedre foliebane. Med denne bueformet krummede grundplades ydre to ender er der forbundet en øvre bæreplade, der enten kan være udformet plant eller konkav hvælvet. Mod denne øvre bæreplades ligeledes glatte ydre overflade understøt-20 tes den øvre overlappende foliebane. Mellem den øvre bæreplade og den nedre grundplade strækker der sig et omtrent cirkelafsnit-formet gitter, der tjener som ventilationsåbning. Fastgørelsen af dette således formede ventilationselement sker ved hjælp af flere separate klemmer, der kan være fast anbragt på den buefor-25 mede grundplade, og ved hvilke elementet klemmes fast på den nedre foliebane. Ved det kendte ventilationselement forbindes de særskilte klemmer fast med grundpladen i et ekstra efterfølgende arbejdstrin. De kendte ventilationselementer kan ikke stables ind i hinanden, således at det er omstændeligt at lag-30 re og transportere dem, og bringe dem med op på taget.Such a ventilation element is known from DE Publication No. 32 02 509. This known ventilation element has an arcuate curved base plate with its arcuate smooth outer abutment surface. The ventilation element - in the installation position - lies on the lower foil path. With the outer two ends of this arcuate curved base plate is connected an upper support plate which may be either flat or concave vaulted. Against the smooth outer surface of this upper support plate, the upper overlapping foil web is supported. Between the upper support plate and the lower base plate extends a circular section-shaped grating that serves as a vent. The thus-formed ventilation element is secured by a plurality of separate clamps which may be fixedly fixed to the arcuate base plate and at which the element is clamped to the lower foil web. In the known ventilation element, the separate clamps are connected to the base plate in an additional subsequent working step. The known ventilation elements cannot be stacked into each other, so it is cumbersome to store and transport them and bring them up to the roof.

Det er den foreliggende opfindelses formål at udforme et ventilationselement af den indledningsvist omtalte art på en sådan måde, at den efterfølgende anbringelse af fastgørelseselemen-35 ter falder bort, og således, at ventilationselementet muliggør en gunstig stabling og dermed en fordelagtig lagerføring, en forsendelse og en transport op på taget i stablet stand. For 2SUMMARY OF THE INVENTION It is an object of the present invention to design a ventilation element of the type mentioned in the first place in such a way that the subsequent application of fastening elements is eliminated, and so that the ventilation element enables a favorable stacking and thus an advantageous storage, shipment and a transport up on the roof in a stacked condition. For 2

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at tilgodese dette formål er det indlédningsvist omtalte venti 1 at ionse1ement ifølge opfindelsen ejendommeligt ved, at venti 1 at i onselementet består af en plan plade med rastergi tter-strukturer, på hvis lister der til frembringelse af et venti-5 1ationstværsnit er anbragt bæreribber og/eller bærestolper, og at fastgørelseselementet er en ophængningslaske, der er formet på pladens mod tagryggen vendende langsgående liste og forløber skråt under pladen.In order to meet this purpose, the venti 1 element of the invention mentioned above is peculiar in that venti 1 consists of a planar plate with a raster energy structure on which moldings are provided with support ribs for producing a ventilation cross-section and / or supporting posts, and that the fastening element is a suspension lug formed on the longitudinal strip of the plate facing the roof ridge and extending obliquely below the plate.

10 Fordelagtige udformninger og videre udviklinger af dette ventilationselement fremgår af de uselvstændige krav. Betinget af sin specielle konstruktive udformning opfylder ventilationselementet ifølge opfindelsen alle krav ifølge formålet i enhver henseende på en yderst gunstig måde, og kan fremstilles 15 ved sprøjtestøbningsfremgangsmåden med små materialeomkost- n i nger.10 Advantageous designs and further developments of this ventilation element are evident from the dependent claims. Depending on its particular structural design, the ventilation element according to the invention meets all requirements according to the purpose in every respect in an extremely favorable manner, and can be manufactured by the injection molding process with low material costs.

Nedenfor forklares ventilationselementet ifølge opfindelsen på grundlag af flere på tegningen viste udførelsesformer. På teg-20 ningen viser fig. 1 set fra oven et første udførelseseksempel for ventilationselementet ifølge opfindelsen, 25 fig. 2 set fra siden det i fig. 1 viste ventilationselement som set i retning af pilen A, fig. 3 i perspektiv en del af det i fig. 1 og 2 viste ventilationselement, 30 fig. 4 det i fig. 1 viste ventilationselement set fra enden i retning af pilen B, fig. 5 set fra oven flere oven på hinanden stablede ventila-35 tionselementer af den i fig. 1 til 4 viste art, fig. 6 set fra siden flere over hinanden stablede ventilationselementer af den i fig. 1 til 4 viste art, 3The ventilation element according to the invention is explained below on the basis of several embodiments shown in the drawing. In the drawing, FIG. 1 is a top view of a first embodiment of the ventilation element according to the invention; FIG. 2 is a side view of the one shown in FIG. 1, as seen in the direction of arrow A, FIG. 3 is a perspective view of a portion of FIG. 1 and 2, FIG. 4 shows the embodiment of FIG. 1 from the end in the direction of arrow B, FIG. 5 is a top view of several ventilation elements stacked on top of each other in FIG. 1 to 4; FIG. 6 is a side view of several stacked ventilation elements of the embodiment shown in FIG. 1 to 4, 3

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fig. 7 et ventilationselement af den i fig. 1 til 4 viste art i indbygningsstiΠing i to foliebaners overlapningsområde, fig. 8 et perspektivbillede af en del af et andet udførelses-5 eksempel for ventilationselementet ifølge opfindelsen, fig. 9 et snit gennem det i fig. 8 viste ventilationselement langs den der indtegnede snitlinie IX-IX, 10 fig. 10 et snit gennem to ovenpå hinanden stablede ventilationselementer af den i fig. 8 og 9 viste art, og fig. 11 et ventilationselement af den i fig. 8 og 9 viste art i indbygningssti11 ing i overlapningsområdet for to foliebaner 15 i forbindelse med yderligere dele af en skråtagsbelægning.FIG. 7 is a ventilation element of the embodiment shown in FIG. 1 to 4 in the installation position in the overlap area of two foil webs, fig. 8 is a perspective view of part of another embodiment of the ventilation element according to the invention; FIG. 9 is a sectional view of the embodiment of FIG. 8 shows the ventilation element shown along the section line IX-IX, FIG. 10 is a sectional view of two ventilation elements stacked on top of each other in FIG. 8 and 9, and FIG. 11 is a ventilation element of the device shown in FIG. 8 and 9 in the installation position in the overlap area of two foil webs 15 in connection with additional parts of an inclined roof covering.

På figurerne er ens henholdsvis til hinanden svarende dele for de viste ventilationselementer betegnet med ens henvisningstal .In the figures, similar and corresponding parts for the ventilation elements shown are denoted by similar reference numerals.

2020

Et ventilationselement er i sin helhed betegnet med "1". Det består - således som det klart fremgår af helheden vist i fig.A ventilation element is designated "1" in its entirety. It consists - as clearly shown in the whole shown in fig.

1 og 2 - af en plan plade 2 med rastergitterstrukter. Denne rastergitterstruktur for pladen fremkommer ved de viste udfo-25 relseseksempler ved en ensartet placering af lige store gennem-brydninger 3 med stor flade, og her vist med rektangulært tværsnit, hvilken plade formmæssigt er sammensat af en mod tagrygningen vendende længdeliste 4, en dermed parallel mod tagrenden vendende længdeliste 5, mindst en derimellem, fortrinsvis 30 ligeledes parallelt forløbende, længdeliste 6, en venstre ydre begrænsningstværliste 7, en højre ydre begrænsningstvær 1 iste 8 og flere mellem sidstnævnte anbragte tværlister 9. I den foretrukne udførelsesform står alle længdelister 4, 5, 6 og alle tværlister 7, 8, 9 vinkelret på hinanden i pladeplanet. I den-35 ne forbindelse skal det dog bemærkes, at pladen 2 også kan have en fra den viste struktur afvigende rastergi.tterformet struktur.1 and 2 - of a flat plate 2 with grid grids. This screen grid structure for the plate is shown in the illustrated embodiments at a uniform location of equal openings 3 with a large surface, and shown here with a rectangular cross-section, which plate is formally composed of a longitudinal strip 4 facing the roof ridge, longitudinal strip 5 facing at the gutter, at least one in between, preferably 30 also extending parallel, longitudinal strip 6, a left outer restriction cross strip 7, a right outer restriction cross strip 1 and more between the laterally arranged cross strips 9. In the preferred embodiment, all longitudinal strips 4, 5 , 6 and all transverse strips 7, 8, 9 perpendicular to each other in the plate plane. In this connection, however, it should be noted that the plate 2 may also have a grid structure which differs from the structure shown.

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Generelt er der på pladen 2's lister til frembringelse af et ventilationstværsnit anbragt bæreribber 10 henholdsvis bærestolper 11. Desuden er der på den mod tagryggen vendende længdeliste 4 anbragt mindst en ophængelaske 12, der forløber 5 skråt under pladen 2, og ved hjælp af hvilken ventilationselementet 1, således som det klart fremgår af fig. 7 og 11 -kan hænges ind over eller på yderranden 13 af en mod taget vendende fastgjort foliebane. Til det ønskede formål for ophængning af ventilationselementet 1 ville i og for sig en op-10 hængningslaske 12 være tilstrækkelig, der så, som vist i fig.In general, on the moldings 2 of the plate 2 to produce a ventilation cross-section, support ribs 10 and support posts 11 are respectively arranged. , as clearly shown in FIG. 7 and 11 can be hung over or on the outer edge 13 of a facing film web attached to the roof. For the desired purpose of suspending the ventilation element 1, a suspension bottle 12 in itself would suffice which, as shown in FIG.

1 ved punktstreger, skulle være anbragt på den mod tagryggen vendende langsgående liste 4's midte i længderetningen. For udover ophængningsfunktionen også at sikre en placeringssikker fastgørelse af ventilationselementet 1 på foliebanen 14, tills vejebringes der på ventilationselementet 1 imidlertid, - således som vist i fig. 1 - i det mindste to ophængningslasker 12, der begge er anbragt med nogen afstand fra den ydre begrænsningstværliste 7 henholdsvis 8. Af stabilitetsårsager kan det være hensigtsmæssigt at afstive hver tilstedeværende ophæng-20 ningslaske 12 på dennes underside ved hjælp af mindst en langs dens udstrækningsretning forløbende støtteribbe 15 - se fig.1 at the dash, should be positioned on the longitudinal center of the longitudinal strip 4 facing the roof ridge. In addition to the suspension function, also to ensure a location-safe attachment of the ventilation element 1 to the foil web 14, until on the ventilation element 1, however, - as shown in FIG. 1 - at least two suspension lugs 12, both spaced apart from the outer boundary cross bar 7 and 8, respectively. For reasons of stability, it may be convenient to stiffen each suspension lug 12 present on its underside by at least one along its extension direction. extending support rib 15 - see fig.

4. Af samme årsag, især i det tilfælde, hvor pladen 2's tykkelse vælges forholdsvis lille, kan det ligeledes være hensigtsmæssigt at afstive pladen 2 ved hjælp af mindst en langs en 25 længdeliste 4 henholdvis 5 henholdsvis 6 forløbende afstivningsribbe 16. Denne afstivningsribbe 16 er fortrinsvis - se fig. 4 - ved det viste udførelseseksempel anbragt på undersiden af den mod tagryggen vendende langsgående liste 4. For placeringen henholdsvis udformningen af bæreribberne 10 og -stolperne 30 11, der i ventilationselementet l's indbyggede stilling bestem mer ventilationstværsnittet, er der principielt forskellige udformningsmuligheder. Svarende til en udførelsesvariant, nemlig som vist i fig. 8 til 11, kan der være formet bæreribber 10 og bærestolper 11 alene på pladen 2's overside. Alternativt 35 kan der imidlertid - som vist i udførelses eksemplet ifølge fig. 1 til 6 - forefindes bæreribber 10 og/eller bærestolper 11, 21 både på pladen 2's overside, samt også dennes undersi-4. For the same reason, especially in the case where the thickness of the plate 2 is chosen relatively small, it may also be appropriate to stiffen the plate 2 by means of at least one stiffening rib 16 along a longitudinal strip 4 and 5 and 6 respectively. preferably - see fig. 4 - in the illustrated embodiment arranged on the underside of the longitudinal frame 4 facing the ridge, respectively, for the location and the design of the support ribs 10 and posts 30 11, respectively, which in the built-in position of the ventilation element 1 determine the ventilation cross-section, there are in principle different design possibilities. Corresponding to an embodiment variant, as shown in FIG. 8 to 11, supporting ribs 10 and supporting posts 11 may be formed on the top side of the plate 2 alone. Alternatively, however, as shown in the embodiment of FIG. 1 to 6 - supporting ribs 10 and / or supporting posts 11, 21 are present both on the top side of the plate 2, as well as its underside.

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s de. Fortrinsvis har de tilstedeværende bæreribber 10 og/eller bærestolper 11, 21 en fra pladen 2 udgående stadig smallere keglestubformet ydre kontur. Dette letter fremstillingen ved sprøjtestøbningsfremgangsmåden. Endvidere er det - især i for-5 bindelse med tynde foliebaner 14, 17 - hensigtsmæssigt at afrunde de ydre ender af alle tilstedeværende bæreribber 10 henholdsvis bærestolper 11, 21, således som det f.eks. er vist i fig. 3 og 4. I de viste udførelseseksempler findes der på pladen 2 både bæreribber 10 samt bærestolper 11, idet hver bæ-10 reribbe 10 ved sin øvre ende henholdsvis ryg 18 er lige, og den øvre ende af en hermed flugtende anbragt bærestolpe 11 ligger i forlængelse af bæreribben 10's lige ryg. Takket være denne udformning af bæreribberne 10 fremkommer der ved ventilationselementet l's indbygningssti 11ing langs enkelte støtte-15 linier en forholdsivs stor bærende anlægs- eller bæreplade for den overlappende øvre foliebane 17, se fig. 7 og 11. Netop en sådan placering og udformning for bæreribberne 10 er imidlertid ikke tvingende nødvendigt. De beskrevne bæreribber kunne i forbindelse med rivefaste foliebaner også erstattes med flere 20 bærestolper. Bærestolperne skulle i dette tilfælde imidlertid stå så tæt ved siden af hinanden, at man derved undgår en nævneværdig nedhængning af det udragende ydre dækningsbaneafsnit og dermed en tilspærring af ventilationstværsnittet.s de. Preferably, the supporting ribs 10 and / or the supporting posts 11, 21 have a still narrower cone-shaped outer contour extending from the plate 2. This facilitates preparation by the injection molding method. Furthermore, especially with thin film webs 14, 17, it is convenient to round the outer ends of all the supporting ribs 10 and the supporting posts 11, 21 respectively, such as e.g. is shown in FIG. 3 and 4. In the exemplary embodiments shown, there are on both plate 2 support bars 10 and support posts 11, each supporting rib 10 at its upper end and back 18, respectively, being equal and the upper end of a flush-mounted supporting post 11 lying in it. extension of the straight back of the carrier rib 10. Thanks to this design of the carrier ribs 10, a relatively large supporting abutment or support plate for the overlapping upper foil web 17 is obtained at the installation path 11 of the ventilation element 1, see FIG. 7 and 11. However, precisely such positioning and design of the carrier ribs 10 is not imperative. The described carrier ribs could also be replaced with more than 20 carrier posts in connection with tear-resistant foil webs. In this case, however, the supporting posts should be so close to one another as to avoid a considerable suspension of the protruding outer cover web section and thus a tightening of the ventilation cross section.

25 Ved de viste udførelseseksempler er der på pladen 2's overside på hver mellem den mod tagrenden vendende langsgående liste 5 og den nabostillede langsgående liste 6 forløbende tværliste 7 henholdsvis 8 henholdsvis 9 anbragt en bæreribbe 10 med lige ryg 18, og flugtende med hver af disse bæreribber 10 på den 30 mod tagryggen vendende langsgående liste 4 eller - sammen ved udførelseseksemplet ifølge fig. 8 til 11 - kort foran denne på tværlisten 7 henholdsvis 8 henholdsvis 9 anbragt en bærestolpe 11, hvis øvre ende 19 ligger i forlængelse af bæreribben 10*s lige ryg 18. Ved udførelseseksemplet ifølge fig. 8 til 11, 35 ligger alle bæreribber 10's øvre rygge 18 og alle bærestolper 111 s øvre ender 19 herved i et plan, der forløber parallelt med pladen 2's plan. I modsætning hertil er der ved udføre!-In the exemplary embodiments shown, on the upper side of the plate 2 on each of the transverse longitudinal strip 5 and the adjacent longitudinal strip 6 extending transverse strip 7 and 8 and 9 respectively, a straight rib 10 with straight back 18 and flush with each of these supporting ribs is arranged. 10 of the longitudinal strip 4 facing the roof ridge 30 or - together in the embodiment of FIG. 8 to 11 - shortly before this, on a transverse strip 7 and 8 and 9 respectively, a supporting post 11 is placed, the upper end 19 of which extends to the straight back 18 of the supporting rib 10 *. In the embodiment according to FIG. 8 to 11, 35 all the upper ridges 18 of the supporting ribs 10 and all the upper ends 19 of the supporting posts 111 lie in a plane extending parallel to the plane of the plate 2. In contrast, it is in the process!

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e seseksemplet ifølge fig. 1 til 4 valgt en anden udformning. Her er der på pladesiden 2 ganske vist også på hver mellem den mod tagrenden vendende langsgående liste 5 og den nabostillede langsgående liste 6 forløbende tværliste 7 henholdvis 8 henholds-5 vis 9 hvert sted tilvejebragt en bæreribbe 10 med lige ryg 18 og flugtende dermed ved den mod ryggen vendende langsgående liste 4 eller kort foran denne på tværlisten 7 henholdsvis 8 henholdsvis 9 tilvejebragt en bærestolpe 11 med i tilsvarende højde forud fastsat øvre ende 19, men alle bæreribber 10's 10 rygge 18 og alle bærestolper ll's øvre ender 19 forløber imidlertid her i et i forhold til pladen 2's plan i længderetningen parallelt i tværretning fra den mod tagrenden til den mod ryggen vendende side dog i et lidt skråt opad forløbende plan. Sidstnævnte er i fig. 4 antydet ved det i punktstreg antydede 15 plan 20. Ved dette udførelseseksempel er der på pladen 2's underside i området nedenfor hver bæreribbe 10 desuden anbragt to bærestolper 21, hvilke to bærestolper 21 er anbragt nedenfor den pågældende bæreribbe 10's begyndelses- og endeområde. Højden for de på pladen 2's underside anbragte bærestolper har 20 sådanne mål, at deres nedre ender 22 ligger i et i fig. 4 ved punktstreg antydet plan 23, der i ventilationselementet's 1 indbygningsstilling svarer til foliebanen 14's bæreflade. I forhold til det nævnte plan 23 forløber det ovennævnte plan 20 i indbygningsstillingen for ventilationselementet 1 i det væ-25 sentlige parallelt.The example of FIG. 1 to 4 selected a different design. Here, on the plate side 2, there is also provided, on each side, between the longitudinal strip 5 facing the gutter, and the adjacent longitudinal strip 6 extending transverse strip 7 or 8 and 5 respectively 9, each place a carrier rib 10 with straight back 18 and thus flushing at the a longitudinal strip 4 facing the back longitudinal strip 4 or shortly before it on the transverse strip 7 and 8 and 9, respectively, is provided a supporting post 11 with a corresponding height predetermined upper end 19, but all the backs 18 of all the supporting ribs 10 and all the upper ends 19 of the supporting posts 11 extend here in a relative to the longitudinal plane of the plate 2 parallel in transverse direction from the gutter to the side facing the back, however, in a slightly inclined upward plane. The latter is shown in FIG. 4, indicated by the plane 20 indicated in the dash, in this example, on the underside of the plate 2 in the area below each support rib 10, two supporting posts 21 are additionally placed, which two supporting posts 21 are placed below the starting and ending regions of the supporting rib 10. The height of the supporting posts on the underside of the plate 2 has 20 such that their lower ends 22 lie in a position shown in FIG. 4 is a plan 23 indicated by a dash, which corresponds in the installation position of the ventilation element 1 to the supporting surface of the foil web 14. In relation to said plane 23, the above plane 20 extends in the installation position of the ventilation element 1 in substantially parallel.

Det under henvisning til fig. 1 til 4 beskrevne ventilations-element kan stables, således som det ses i fig. 5 og 6. Her ses ti sådanne ventilationselementer stablet over hinanden, 30 idet der i fig. 6 til hvert element er knyttet et referencetal fra 1 til 10. For at tydeliggøre dette er denne nummerering også delvis angivet i fig. 5. Som vist kan et vilkårligt antal ventilationselementer stables i en parallel placering ind i hinanden. En sådan stabel har et forholdsvis lille rumfang og 35 de enkelte elementer er indbyrdes forankret således, at man får en stabil stabel, der er let at transportere.Referring to FIG. 1 to 4 can be stacked as seen in FIG. 5 and 6. Here, ten such ventilation elements are stacked one above the other, with FIG. 6 to each element is assigned a reference number from 1 to 10. To clarify this, this numbering is also partially indicated in FIG. 5. As shown, any number of ventilation elements can be stacked in a parallel location to each other. Such a stack has a relatively small volume and the individual elements are mutually anchored so as to provide a stable stack which is easy to transport.

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I en på denne måde stablet form tager den med udlægningen beskæftigede håndværker et tilsvarende antal ventilationselementer 1 med op på det skrå tag. Til at anbringe et af disse ventilationselementer 1 kræves der ikke nogen håndteringsmidler.In a form stacked in this way, the craftsman involved in the laying takes up a corresponding number of ventilation elements 1 with up on the inclined roof. To place one of these ventilation elements 1 no handling means are required.

5 Den pågældende håndværker skal blot, som vist i fig. 7, hænge et ventilationselement 1 ved hjælp af ophængningslaskerne 12 på den øvre ydre rand 13 af en allerede på taget fastlagt nedre foliebane 14. På tilsvarende måde skal han gå frem med de yderligere ventilationselementer 1. Derefter anbringes den 10 næste foliebane 17 - se ligeledes fig. 7 - på en sådan måde, at denne overlapper den nedre foliebane 14 med de der allerede anbragte ventilationselementer 1 så meget, at ventilationselementerne netop er dækkede. Herved støtter den overlappende foliebane 17 mod bæreribberne 10's ryg og på bærestolperne 15 ll's øvre ender 19 af det pågældende ventilationselement 1, der med bærestolperne 21 støtter mod foliebanen 14. Det effektive ventilationstværsnit mellem de langs randen indbyrdes overlappende foliebaner 14 og 17 er givet ved afstandene mellem bæreribberne 10 og bærestolperne 11 og 21 i forbindelse 20 med pladen 2's gennembrydninger 3.5 The craftsman concerned must, as shown in FIG. 7, hang a ventilation element 1 by means of the suspension latches 12 on the upper outer edge 13 of an already fixed lower film path 14. Accordingly, he must proceed with the additional ventilation elements 1. Then the next 10 film path 17 is placed - see also FIG. 7 - in such a way that it overlaps the lower foil web 14 with the ventilation elements 1 already arranged so much that the ventilation elements are just covered. Hereby, the overlapping foil web 17 rests against the backs of the carrier ribs 10 and on the upper ends 19 of the supporting posts 15 11 of the respective ventilation element 1, which supports the foil web 21 with the supporting posts 21. The effective ventilation cross-section between the overlapping foil webs 14 and 17 is given at the distances. between the supporting ribs 10 and the supporting posts 11 and 21 in connection 20 with the breakthroughs 3 of the plate 2.

Ventilationselementet 1 vist i fig. S til 10 er udformet til en særlig gunstig stabling. For at opnå dette har de på pladen 2's overside anbragte bæreribber 10 og bærestolper 11 en for-25 holdsvis meget udbredt keglestubform. Desuden forløber der fra pladen 2's underside blindhuller 24 ind i bæreribberne 10 og bærestolperne 11. Disse blindhullers form er tilpasset til bæreribberne 10's og bærestolperne ll's ydre kontur, således at der - som vist i fig. 10 - muliggøres en formsluttende paral-30 lei stabling af flere ens ventilationselementer 1.The ventilation element 1 shown in FIG. S to 10 are designed for a particularly favorable stacking. To achieve this, the supporting ribs 10 and supporting posts 11 arranged on the upper side of the plate 2 have a relatively widespread cone stub shape. In addition, blind holes 24 from the underside of the plate 2 extend into the supporting ribs 10 and the supporting posts 11. The shape of these blind holes is adapted to the outer contour of the supporting ribs 10 and the supporting posts 11, so that - as shown in FIG. 10 - a form-fitting parallel stacking of several similar ventilation elements 1 is possible.

Også dette ventilationselement 1 kan af den pågældende håndværker i en tilsvarende stablet form og i tilstrækkeligt antal medtages på taget, og dér anbringes på en tilstedeværende ned-35 re foliebane 14 ved ophængningslaskerne 12's tilsvarende ophængning eller indgreb. De nødvendige arbejdsprocesser er i denne forbindelse de samme, som ved anbringelse af et ventilations-Also, this ventilation element 1 can be included on the roof by the relevant craftsman in a similarly stacked form and in sufficient number, and placed there on a lower foil web 14 present at the corresponding suspension or engagement of the suspension lugs 12. In this connection, the necessary working processes are the same as when applying a ventilation system.

Claims

A ventilation element, which consists of a piece of plastic 25, which can be placed between two overlapping transversely overlapping roof linings of a sloping roof, and which - in installation path 11 - with a lower support surface lies on the lower foil web having an upper abutment surface, the overlapping upper foil web supports between these surfaces 30 air-flow openings and which can be suspended with at least one fastening element on the outer edge of the lower foil web fixed on the facing side, characterized in that the ventilation element (1 ) consists of a planar plate (2) with a grid structure on the moldings (4, 35 5, 6, 7, 8, 9) of which are provided supporting ribs (10) and / or supporting posts (11, 21) to produce a ventilation cross section. and that the fastening element is a suspension lug (12) formed on the longitudinal strip (4) of the plate (2) facing the roof ridge (4) and extending obliquely under the plate (2) .

Ventilation element according to claim 1, characterized in that they have an outer surface only on the upper side of the plate (2) or both on the upper side of the plate (2) as well as the supporting ribs (10) and / or supporting posts (11, 21) present on the underside. outline which, starting from the plate (2) - is still narrower in a cone-shaped manner.

Ventilation element according to claim 1 or 2, characterized in that the outer ends (18, 19, 22) of the support ribs (10) and / or the supporting posts (11, 21) are rounded.

Ventilation element according to one of Claims 1 to 3, characterized in that the screen (2) grid structure of the plate (2) is formed by breakthroughs (3) with large surfaces and moldings limiting these breakthroughs, namely a longitudinal strip facing the roof ridge (4), a longitudinal strip (5) facing parallel to the gutter 20, at least one therebetween, preferably also parallel extending longitudinal strip (6), a left outer restriction cross strip (7), a right outer restriction cross strip (8), and several interposed cross strips (9). ), which longitudinal and transverse strips preferably extend at right angles to each other in the plane of the plate.

Ventilation element according to claim 4, characterized in that the plate (2) is stiffened with at least one stiffening rib (16) extending along a longitudinal strip (4, 5, 6). 30

Ventilation element according to claim 4 or 5, characterized in that there are two suspension latches (12), each located at a small distance from the outer limiting cross strip (7) and (8) respectively. 35

Ventilation element according to one of claims 1 to 6, characterized in that the suspension (s) (12) on their underside is stiffened with at least one supporting rib (15). DK 159885 B 10

Ventilation element according to one of Claims 1 to 7, characterized in that the back (18) of all the upper ends (19) located on the upper side (19) of the plate (2) and / or all the upper ends (19) of the carrier (11) lie in a plane. which runs parallel to the plane of the plate (2).

8 DK 159885 B element according to FIG. 1 to 4. In this case, however, the ventilation element is directly adjacent to the underside of the sheet 2 against the top side of the foil web 14, while the overlapping foil web 17 is supported on the backs 18 of the support ribs 10 and the upper ends 19. The supporting cross sections are in this case fixed to the support ribs. 10 and the height of the support pillars II in connection with the two foil webs 14 and 17. Practical experiments have shown that the mere suspension of a venation element according to the invention by means of the suspension lugs 12 is sufficient, and in part the built-in ventilation element 1 is maintained under gravity. influence and partly by means of the overlapping tensioned film web 17.

Independent of the embodiment in question, the ventilation element 1 can be manufactured in a simple and inexpensive manner by the plastic injection molding method. After manufacture, it can be stacked in large quantities in a space-saving manner and therefore also provides favorable handling during storage and transport. 20 Patent claims.

Ventilation element according to one of claims 2 to 8, characterized in that the back (18) of all the upper ends (19) located on the upper side (19) of the plate (2) and / or all the upper ends (19) of the carrier chair 10 (11) lie in a plane (20) extending parallel to the plane of the plate (2) in the longitudinal direction and extending transversely in the transverse direction with a slight increase from the gutter side to the roof ridge side, forming the abutment surface of the upper foil web (17) and arranged on the underside of the plate (2). carrier ribs 15 and / or carrier posts (21) have such a height that this plane (20) in the position of the ventilation element (1) is substantially parallel to the plane (23) of the supporting surface of the lower foil web (14).

Ventilation element according to one of claims 1-9, characterized in that blind holes (24) extend from the underside of the plate (2) into the supporting ribs (10) and / or supporting posts (11) arranged on the top of the plate (2). which blind holes in their shape are adapted to the outer contour of the supporting ribs (10) and / or the supporting posts (11) to form a form-fitting parallel stacking of several similar ventilation elements (1). 30 35