WO1992008854A1 - Element en forme de feuille destine a servir de systeme de canalisation d'air et de dispositif de contreventement place sur une matiere isolante - Google Patents

Element en forme de feuille destine a servir de systeme de canalisation d'air et de dispositif de contreventement place sur une matiere isolante Download PDF

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Publication number
WO1992008854A1
WO1992008854A1 PCT/NO1990/000172 NO9000172W WO9208854A1 WO 1992008854 A1 WO1992008854 A1 WO 1992008854A1 NO 9000172 W NO9000172 W NO 9000172W WO 9208854 A1 WO9208854 A1 WO 9208854A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
sheet element
folds
folded
sheet member
Prior art date
Application number
PCT/NO1990/000172
Other languages
English (en)
Inventor
Ole Emil Iversen
Original Assignee
Ole Emil Iversen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ole Emil Iversen filed Critical Ole Emil Iversen
Priority to PCT/NO1990/000172 priority Critical patent/WO1992008854A1/fr
Publication of WO1992008854A1 publication Critical patent/WO1992008854A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E04D13/172—Roof insulating material with provisions for or being arranged for permitting ventilation of the roof covering

Definitions

  • the invention relates to a sheet element for use as an air channel system and windscreen over insulation, which sheet element is divided by means of fold indicators into a plur ⁇ ality of parallel panels such that it may be folded up, with the flat sides of the panels lying against one another, into an elongate unit.
  • the invention has been developed particularly in connection with the need for an air channel system and a windscreen over the insulation in parallel roofing (insulated sloping roof without a cold attic).
  • Such windscreens are used over the insulation to ensure effective flow of air from cornices to roof ridge.
  • Contemporary solutions include inter alia the use of sheet elements of cardboard which are laid between the rafters and nailed securely thereto. The insulation is put in place from the underside, up toward the windscreen. This could impose a strain on the windscreen, causing it to be bent or pressed upward against the roof sheathing, thereby hindering the effective flow of air.
  • the windscreens are laid with transverse overlapping seams which must be taped.
  • the purpose of the present invention is therefore to provide a sheet element that is easy to transport, may be assembled or mounted in a simple and convenient manner, and which has the particular distinction that in its mounted state as an air channel and windscreen, it will have a rigid and resis ⁇ tant form so as to avoid the danger of its buckling or being pressed up against the roof sheathing, with resultant dimin ⁇ ishing or impairment of the desired effective air flow.
  • a further advantage of this air channel system is that it divides the air flow into a plurality of separate channels which are partitioned from one another with an effective insulating material (paper/cardboard).
  • Heat from the house itself is therefore not as readily trans ⁇ ferred to the outer roof. This has obvious advantages in winter, as it prevents snow and ice from melting and the melt water from refreezing and breaking the roofing tiles, gutters and downspouts and forming dangerous icicles.
  • a sheet element for use as an air channel and windscreen over insul ⁇ ation, which sheet element is divided by means of fold indi ⁇ cators into a plurality of parallel panels such that it may be folded up with the flat sides of the panels lying against one other into an elongate unit, the characterizing feature of the invention being that the sheet element comprises two sheet members that are attached to one another along two adjacent side edges parallel to the folds, both sheet members having the mentioned fold indicators for forming pleats when they are folded up, and that the height of the fold ridges for one of the sheet members is lower than for the other, so that when the sheet element is drawn out from its folded state, said one sheet member will be extended substantially flat, while the other will still exhibit folds.
  • the sheet element In the transport state the sheet element will be folded up and will thus require little space.
  • the sheet element When being mounted the sheet element is brought into position between the rafters or similar elements and is drawn out to its full breadth and secured in place. Said one sheet member is faced toward the insulation while the other, still exhibiting folds or stif ⁇ fening ridges, will be directed toward, for example, the overlying sheathing.
  • the folds will provide for very effec ⁇ tive stiffening and prevent the windscreen from bucking or being pushed away when the insulation is laid in against the windscreen. Wind forces in the air channel will not be capa ⁇ ble of any damaging effect on the windscreen, precisely because it forms a rigid structure, and the desired full, effective flow path for the air is therefore retained.
  • the folds when used in a roof, the folds will give the effect of corrugated iron roofing, with gutters being formed which will provide good drainage for any water that may leak in.
  • the folds on the two sheet members may advantageously be arranged so that they fit into one other when folded. This provides especially for a more compact transport and storage embodiment.
  • the two sheet members are joined together at the base of the folds — at least at every other base — in addition to the mentioned connection along the adjacent side edges. This is regarded as being the best practical embodiment.
  • the mentioned sheet member is constructed from a moisture releasing and windproof mater ⁇ ial such as, for example, heavy brown paper, whereas the other sheet member is made of a water repellent material or has a water repellent coating on its outside, such as, for example, cardboard with water repellent coating.
  • the sheet element when constructed of paper and cardboard or materi ⁇ als having similar properties, is that the sheet element can be produced in full length, to be used, for example, between rafters of a roof, without any seams or joints. This is because the sheet element in folded state may be bent cross ⁇ wise to the folds, so as to obtain a convenient, compact transport form. If there should nevertheless be a need to join the sheets, this can be accomplished in a favorable way by making the one sheet member longer than the other, thereby enabling them to overlap, preferably with taping of the overlapping seam.
  • Fig. 1 shows a cross section between two rafters in roof, with a new sheet element laid therein
  • fig. 2 shows a cross section of the sheet element, i partially folded state
  • fig. 3 shows a perspective view of the sheet element, in partially folded state
  • fig. 4 shows a variant, designed for an overlapping seam or joint
  • fig. 5 shows the sheet element in fig. 3 on a smaller scale and completely compressed, and the break crosswise to the folds
  • fig. 6 shows a cross section of a variant, where the folds do not fit into each other
  • fig. 7 shows the variant in fig. 6 in a fully extended, i.e., ready-to-use state.
  • FIG. 1 In fig. 1 are shown two roof rafters 1 and 2, with the roof sheathing 3 above. Between the rafters 1,2 is placed a sheet element 4 in accordance with the invention.
  • This sheet ele ⁇ ment consists of two sheet members, in this case an internal sheet member 5 of moisture releasing and windproof material, for example, heavy brown paper, and an outer sheet member 6 of a material having a water repellent coating on the out ⁇ side, for example cardboard with water repellent coating. Insulation that has been laid in place is designated with 12.
  • the two sheet members 5 and 6 are connected to one another along the adjacent side edges 7,8, where they are also at ⁇ tached to the respective roofing rafters 1,2 in a suitable manner, for example by means of nails.
  • the one sheet member 5 is completely extended, while the other sheet member 6 has a folded or accordion shape in cross section, thus forming bracing ridges along the rafters, i.e., extending along the roof's direction of fall.
  • the two sheet members 5 and 6 are joined to one another in a suitable manner along the base of the folds, for example by means of glue compounds.
  • the sheet element is shown in a loose, folded state in fig. 2 and 3. It will be understood that the sheet member 5 has fold indicators that make possible the folds shown in fig. 2 and that fit into the folds in the sheet member 6. In the transport state the sheet element is compressed more tightly than in fig. 2 and 3, for example as shown in fig. 5, where the sheet element is in the form of a sturdy, folded-up and compact, elongate pack. In fig. 5 a crosswise bend or break is indicated by the numeral 10, and it will be under ⁇ stood that the sheet element may thus be bent, as shown by the arrow 11, for example, so as to form a compact and easily transportable unit.
  • the sheet element according to the invention may also be designed to allow such overlapping crosswise joining; in that case, the one sheet member, i.e., the one that is to be extended more or less fully when in use, is constructed to be longer than the other sheet member, which is to form the stiffening folds or ridges; this is shown in fig. 4, where we see that the one sheet menber 5' is longer than the other sheet member 6. '
  • the folds on the two sheet members do not neces ⁇ sarily have to fit into one another, as shown for example in fig. 2 and 3, but may also face away from each other, as shown in fig. 6.
  • the same effect is achieved as for the first embodi ⁇ ment form mentioned — see fig. 7, which shows this variant of the sheet element in its extended state for mounting.
  • fig. 6 and 7 the same reference numerals are used as in fig. 1, with the addition of the double index.
  • the invention has been developed particu ⁇ larly as a windscreen for a parallel roof, but of course may also be employed in other places where there is a similar problem and where it is thus desirable to establish and to maintain an effective air flow channel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

Elément en forme de feuille destiné à servir de canalisation d'air et de dispositif de contreventement placé sur une matière isolante, et composé de deux feuilles pliables (5 et 6) reliées l'une à l'autre au niveau de deux zones marginales contiguës (7, 8) parallèles aux plis. Ledit élément peut se replier en un paquet compact, allongé et éventuellement pliable dans le sens transversal. Les crêtes des plis de l'une des feuilles pliables (5) sont moins hautes que celles de l'autre feuille pliable (6). Ainsi, lorsque l'on déploie ledit élément, la première feuille (5) est sensiblement plate tandis que l'autre (6) présente toujours des plis raidisseurs.
PCT/NO1990/000172 1990-11-19 1990-11-19 Element en forme de feuille destine a servir de systeme de canalisation d'air et de dispositif de contreventement place sur une matiere isolante WO1992008854A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/NO1990/000172 WO1992008854A1 (fr) 1990-11-19 1990-11-19 Element en forme de feuille destine a servir de systeme de canalisation d'air et de dispositif de contreventement place sur une matiere isolante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO1990/000172 WO1992008854A1 (fr) 1990-11-19 1990-11-19 Element en forme de feuille destine a servir de systeme de canalisation d'air et de dispositif de contreventement place sur une matiere isolante

Publications (1)

Publication Number Publication Date
WO1992008854A1 true WO1992008854A1 (fr) 1992-05-29

Family

ID=19907619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO1990/000172 WO1992008854A1 (fr) 1990-11-19 1990-11-19 Element en forme de feuille destine a servir de systeme de canalisation d'air et de dispositif de contreventement place sur une matiere isolante

Country Status (1)

Country Link
WO (1) WO1992008854A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002831A1 (fr) * 2001-06-28 2003-01-09 SÄTTERMAN, Bengt Feuille de lame d'air

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2101836A (en) * 1936-10-21 1937-12-14 Elb Products Inc Thermal insulating building unit
US2786004A (en) * 1953-08-07 1957-03-19 Leobarb Corp Thermal insulation
SE431243B (sv) * 1979-02-19 1984-01-23 Jan Jonsson Distansorgan for skapande av luftspalter
DE3318380A1 (de) * 1983-05-20 1985-01-17 Rheinhold & Mahla Dämmstoffe Gmbh, 4000 Düsseldorf Dach, insbesondere steildach, mit einer unterluefteten dachhaut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2101836A (en) * 1936-10-21 1937-12-14 Elb Products Inc Thermal insulating building unit
US2786004A (en) * 1953-08-07 1957-03-19 Leobarb Corp Thermal insulation
SE431243B (sv) * 1979-02-19 1984-01-23 Jan Jonsson Distansorgan for skapande av luftspalter
DE3318380A1 (de) * 1983-05-20 1985-01-17 Rheinhold & Mahla Dämmstoffe Gmbh, 4000 Düsseldorf Dach, insbesondere steildach, mit einer unterluefteten dachhaut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002831A1 (fr) * 2001-06-28 2003-01-09 SÄTTERMAN, Bengt Feuille de lame d'air

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