EP1172497A2 - Verfahren zum Verlegen eines Metalldaches und Abdeckbauweise für solches Verfahren - Google Patents

Verfahren zum Verlegen eines Metalldaches und Abdeckbauweise für solches Verfahren Download PDF

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Publication number
EP1172497A2
EP1172497A2 EP01116425A EP01116425A EP1172497A2 EP 1172497 A2 EP1172497 A2 EP 1172497A2 EP 01116425 A EP01116425 A EP 01116425A EP 01116425 A EP01116425 A EP 01116425A EP 1172497 A2 EP1172497 A2 EP 1172497A2
Authority
EP
European Patent Office
Prior art keywords
staves
covering structure
bent
longitudinal edges
metal sheet
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP01116425A
Other languages
English (en)
French (fr)
Other versions
EP1172497B8 (de
EP1172497A3 (de
EP1172497B1 (de
Inventor
Fabio Menegoli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ISCOM SpA
Original Assignee
ISCOM SpA
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 ISCOM SpA filed Critical ISCOM SpA
Publication of EP1172497A2 publication Critical patent/EP1172497A2/de
Publication of EP1172497A3 publication Critical patent/EP1172497A3/de
Application granted granted Critical
Publication of EP1172497B1 publication Critical patent/EP1172497B1/de
Publication of EP1172497B8 publication Critical patent/EP1172497B8/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • E04D13/165—Double skin roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D2003/3612—Separate fastening elements fixed to the roof structure and comprising plastic parts for avoiding thermal bridges

Definitions

  • the present invention refers to a laying process for a metal cover and covering structure required to implement the said process.
  • a flat covering structure which generally consists of a support structure comprising a plurality of load-bearing beams, a first facing of steel sheet staves secured crossways to the load-bearing beams underneath, and a sequence of bent steel sheet sections for roofs located above the staves and secured thereto by means of suitable securing means.
  • the lower facing of staves and the upper covering surface delimit a gap into which a layer of insulating material can be placed.
  • each stave must be adequately fixed to each of the beams underneath and, likewise, the covering steel sheets, in addition to being coupled together by overlapping tightly sealed joints, must also be connected to the lower facing in staves to obtain a compact and resistant structure.
  • securing means consisting of locking blocks having a base portion thereof designed for connection to the suitably shaped adjacent edges of two consecutive staves, e.g. by means of screws or expansion plugs, and an upper portion thereof snap-fitted to overlap the longitudinal edges of the adjacent covering steel sheets.
  • the main object of the present invention is to provide a process for obtaining flat covers suitable for eliminating or substantially reducing the inconveniences complained of above concerning current metal covering structures.
  • An important object of the present invention is that, with the above mentioned process, it is possible to simplify and considerably speed up the laying of a flat metal cover.
  • Another object of the present invention is that, with the above mentioned process a flat cover can be obtained also by employing not particularly trained personnel thus enabling substantial savings in labour.
  • Yet another object of the present invention is that, with the above mentioned process, one can obtain a long-life covering structure, on which one can tread on and which is suitable for resisting particularly high positive loads due, for example, to build-up of snow or ice, and for resisting the force of atmospheric agents, while preventing entry of rainwater and efficiently contrasting wind energy.
  • a further object of the present invention is to provide a flat covering structure enabling easy laying even by non-specialised personnel.
  • the said flat long-life covering structure on which one can tread on, and which is suitable for resisting particularly high positive loads due, for example, to the build-up of snow or ice, and to resist the force of atmospheric agents, preventing entry of rainwater and efficiently contrasting wind energy.
  • a flat covering structure which includes a load-bearing purlin structure, a lower facing of staves located side-by-side and aligned in a first direction on said load-bearing structure and secured thereto, an upper covering surface of metal sheet elements designed to be laid over the said lower facing of staves crossways with respect to the said first direction and to be anchored thereto and a plurality of removable locking blocks arranged to anchor the said metal sheet elements to the said lower facing of staves, the said covering structure being characterized in that each one of the said removable locking blocks comprises blocking means designed to engage with anchoring means connected to, or integral with, longitudinal edges of two adjacent staves, and securing means designed to couple two adjacent metal sheet elements.
  • the said blocking means comprises a pair of parallel slots that, in use, are open downwards, each housing a bent or loop provided close to and along the longitudinal edge of a respective stave.
  • a process for obtaining a flat covering structure including a load-bearing purlin structure, a lower facing of staves located side-by-side and aligned in a first direction on the said load-bearing structure and secured thereto in any suitable manner, the said staves having a substantially flat mid-portion and longitudinal edges that are bent with respect to the said mid-portion and are designed to extend upwards, in use, an upper covering surface consisting of metal sheet elements to be laid onto the said staves according to a transversal direction with respect to said first direction and to be anchored thereto, thereby delimiting therewith a gap arranged to house a layer of thermally insulating material and a plurality of removable locking blocks suitable for directly anchoring the said metal sheet elements to the said staves, the said process being characterized in that it comprises:
  • a flat covering structure according to the present invention, is indicated with reference numeral 1 and comprises a purlin type load-bearing structure 2, preferably consisting of a plurality of load-bearing beams 3 parallel to each other and arranged at a pre-defined distance from each other, a lower facing 4 in staves 5 located side-by-side and transversely aligned with respect to the load-blearing beams 3 and secured to the latter in any suitable manner, an upper covering surface 6 consisting of metal sheet elements 7 overlapping the staves 5 according to a transverse direction and securable to the same, and a plurality of removable locking blocks 8 designed to directly anchor the metal sheet elements 7 to the staves 5 underneath.
  • a purlin type load-bearing structure 2 preferably consisting of a plurality of load-bearing beams 3 parallel to each other and arranged at a pre-defined distance from each other
  • a lower facing 4 in staves 5 located side-by-side and transversely aligned with respect to the
  • the staves 5 have a mid-portion 9, which can be either flat or contain a plurality of longitudinal reinforcing ribs 10, delimited by two longitudinal edges 12 and 13 which are bent with respect to the said mid-portion 9, e.g. by rolling, pressing or in any other suitable manner, and designed to extend upward, in use, while allowing the mid-portion 9 to uniformly adhere to the load-bearing beams 3 positioned crossways with respect to the said mid-portion 9.
  • the longitudinal edges 12 and 13 located side-by side to each other and belonging to two adjacent staves 5 consist of a flank 14, preferably shaped in a complementary manner to enable the edges to uniformly abut against each other, the said flank being connected on one side to the mid-portion 9 by means of a rounded section 15 and, on the other side, to a leading end 16 by means of a bent connecting section 17 which is inclined in order to recede with respect to the stave 5 it belongs to.
  • leading ends 16 of the two longitudinal side-by-side edges 12 and 13 are of mirror geometry and delimit an open U-channel 18, pointing downward in use, which comprises a first section 19 that is substantially parallel to the respective flank 14 and having a longitudinal side in common with the bent connecting section 17 and terminating upward in a bent section 20 with a relatively wide radius of curvature and jutting to the outside of its respective stave 5, and a second section 21 extending from the bent section 20 downward and parallel to the first section 19 and having a free end 23 which is bent inwards, i.e. towards its respective U-channel 18.
  • the staves 5, as described above, are laid and anchored onto the load-bearing beams 3 and secured to them in any suitable manner, e.g. by screws or rivets (not shown in the Figures).
  • a row of locking blocks 8 at a pre-defined distance from each other is fitted at each pair of side-by-side longitudinal edges 12 and 13 belonging to two adjacent staves 5 (see Figure 1).
  • the locking blocks 8 are thus distributed on the whole on a plurality of parallel rows advantageously aligned in a transverse direction along diagonal lines, thereby obtaining an uniformly distributed anchorage throughout the entire covering surface.
  • each locking block 8 comprises a lower portion 24 designed to be coupled, in use, to the side-by-side longitudinal edges 12 and 13 of two adjacent staves 5, and an upper portion 25 designed to snap-engage with two adjacent metal sheet elements 7, thereby securing the said elements to the staves 5 underneath.
  • the lower portion 24 is provided with blocking means including a pair of parallel recesses or slots 26 and 27, open downward in use, and having a rounded bottom 28 with a radius of curvature preferably equal to that of the bent section 20 of the leading end 16 of the two longitudinal edges 12 and 13.
  • Each slot 26 and 27 has a substantially vertical throat delimited by a flat, vertical internal wall 29 and by an outer wall 30, shaped so that the throat widens at the bottom 31 of the locking block 8.
  • the internal walls 29 of both slots 26 and 27 are delimited at the lower end thereof by an abutting element 32 designed to be located, in use, between the leading ends 16 of two side-by-side longitudinal edges 12 and 13.
  • the abutting element 32 forms, together with the internal walls 29, a respective jutting section 34 that extends substantially orthogonal with respect to the said walls and, preferably, in the same plane as the bottom 31 of the locking block 8, whereby narrowing the opening of the slots 26 and 27 and acting, in use, as an abutting surface for the free end 23 of the leading end 16 of the longitudinal edges 12 and 13, respectively, in work position.
  • each locking block 8 instead delimits securing means comprising two projections or ridges, which are parallel and equal to each other, 35 and 36 and a respective groove 37 and 38 extending along the outer side of each projection in a substantially right-angled direction with respect to slots 26 and 27 of the lower portion 24.
  • Slots 37 and 38 delimit a respective throat which widens slightly by a pre-defined angle toward its respective ridge, e.g. an angle between 30° and 60°.
  • a radiused edge 39 is provided on the upper rim of the outer wall of each groove 37 and 38, whereas at the upper rim of the internal wall there is provided a substantially vertical abutting wall 40 that is followed by a wall section 41 inclined toward the respective projection 35 and 36, which section makes up part of the outer flank of its respective projection and terminates in an upper jointed abutment niche 42.
  • the locking block 8 To install a locking block 8 as described above, first of all, as illustrated in Figure 2, the locking block 8 must be placed onto a pair of side-by-side longitudinal edges 12 and 13 with its abutting element 32 placed between their leading ends 16. Next, the said leading ends 16 are snap-fitted within their respective slots 26 and 27, by exerting adequate downward pressure until the bent section 20 rests against the bottom 28 of its respective slot and section 21 abuts against its respective internal wall 29 with its free end 23 insisting against the respective jutting section 34.
  • metal sheet elements 7 are laid next, aligning them according to a direction at right angles with respect to that of the staves 5.
  • Each metal sheet element 7 is suitably provided with non adjacent edges 43 and 45 shaped in a complementary manner thereby permitting the coupling of two adjacent metal sheet elements 7 to partly overlap edges 43 and 45 above the said projections 35 and 36 and allow snap-fitting into the grooves 37 and 38 of each locking block 8.
  • panels of insulating material 44 can be placed inside the gap 33 delimited by the metal sheet elements 7 and the staves 5 below, in order to thermally insulate the spaces enclosed at the top by the covering structure 1.
  • the locking blocks 8 can have a lower portion 24 shaped as illustrated in Figure 9, where it can be seen that the blocking means comprise one groove 46, open downward, in use, and delimited by two internal walls 47 and 48 inclined along the same angle with respect to a vertical line and converging upwards.
  • the same walls 47 and 48 are delimited at the bottom thereof by respective shoulders 49 and 50 designed to narrow the opening of the groove 46 and to delimit each an internal abutting surface 51 and 52 joined to its respective internal wall 47 and 48.
  • Each shoulder 49 and 50 also has a lead-in face 53 and 54 identically inclined with respect to internal walls 47 and 48.
  • leading ends 16 of the longitudinal edges 12 and 13 must be suitably shaped.
  • the leading ends 16 have a first section 55 bent in order to recede, which section is flat and substantially horizontal, and is connected on one side to its respective flank 14 and, on the other side, to an inclined section 56 forming with it an acute angle.
  • Each inclined section 56 may terminate in an inwardly bent end 57 extending toward its respective first section 55.
  • a locking block 101 comprises securing means 102 located, in use, at the top thereof and designed to couple two adjacent metal sheets in order to form a metal covering.
  • the locking block 100 also has a base where blocking means 103 are provided and arranged to be connected to an anchoring element 104 (Fig. 14).
  • the latter generally comprises two longitudinal edges 104a and 104b which extend substantially parallel to one another.
  • Each anchoring element 104 has a base (not shown in Fig. 14) designed to be secured to a covering underneath, e.g. made of staves 5, as will be further described below.
  • the blocking means 103 comprises two sides 105a and 105b opposite and extending substantially parallel to one another and provided with engaging means 106a and 106b, respectively, comprising one or more parallel slots or tenons that are arranged to engage, in use, with a respective ridge or a groove formed in an anchoring element 104.
  • the blocking means 103 also comprises two opposite guide plane surfaces 107a and 107b extending substantially parallel to one another. The distance between the guide surfaces 107a and 107b is advantageously smaller than that between the longitudinal edged 104a and 104b (Fig. 14), thereby making it possible to easily insert a locking block 101 between two longitudinal edges 104a and 104b.
  • the guide surfaces 107a and 107b are inclined through 45° with respect to the two sides 105a and 105b.
  • a removable locking block 101 is first inserted between longitudinal edges 104a and 104b of an anchoring element 104 while keeping its guide surfaces 107a and 107b substantially parallel to the longitudinal edges 104a and 104b.
  • the locking block 101 is caused to rotate, e.g. in clockwise direction, whereby the engaging means 106a and 106b are brought into engagement with and underneath the longitudinal edges 104a and 104b, respectively.
  • an anchoring element 104 comprises two sides walls 108 which extend substantially parallel to one another and at right angles with the laying plane of the staves 5.
  • Each side wall is outwardly flanged at its lower resting end 109 and terminates with an upwardly bent section 110 followed by two further sections 111 and 112 bent at right angles with one another.
  • Sections 112, 111, 110 and partly 109 are designed to be overlapped, in use, by a correspondingly shaped edge 115 of an adjacent stave 5.
  • the side walls 108 are kept spaced apart, in use, by means of a shaped base metal sheet 113 having an intermediate raised portion thereof extending substantially parallel to the main intermediate portion of the adjacent staves 5 and terminating with upwardly bent edges 114 arranged to engage with a respective section 110 of a side wall 108.
  • side walls 108 At top thereof side walls 108 have inwardly bent ends 108a and 108b, on which an engaging channel element 116 rests.
  • the engaging element 116 is a channel-shaped metal sheet with its edges 106a and 106b bent so as to delimit each a lateral groove 117a, 117b, respectively, arranged to receive the upper bent edges 108a and 108b of the side walls 108.
  • FIGs 16 and 17 show two further ways in which the side walls 108 engage with the staves 5 and a shaped metal sheet 113. More particularly, Figure 16 shows an engagement element 104 with side walls 108 having lower resting flanged ends 109 onto which edges 114 of metal sheet 113 are bent over so as to extend parallel, in use, to adjacent staves 5 and the channel element 116 is a shaped portion integral with, and extending across, the side walls 108.
  • Figure 17 illustrates an engagement element 104 similar to that of Fig. 16 and having side walls 108 with lower resting ends 109a and 109b flanged inwardly and sandwiched between two metal sheets 118a and 118b extending parallel to adjacent staves 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Details Of Indoor Wiring (AREA)
  • Laminated Bodies (AREA)
  • Bathtub Accessories (AREA)
EP01116425A 2000-07-10 2001-07-06 Verfahren zum Verlegen eines Metalldaches und Abdeckbauweise für solches Verfahren Expired - Lifetime EP1172497B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVR000066 2000-07-10
IT2000VR000066A IT1314418B1 (it) 2000-07-10 2000-07-10 Procedimento di posa in opera di una copertura metallica e strutturadi copertura per la sua realizzazione.

Publications (4)

Publication Number Publication Date
EP1172497A2 true EP1172497A2 (de) 2002-01-16
EP1172497A3 EP1172497A3 (de) 2002-05-08
EP1172497B1 EP1172497B1 (de) 2004-03-10
EP1172497B8 EP1172497B8 (de) 2004-08-04

Family

ID=11461859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01116425A Expired - Lifetime EP1172497B8 (de) 2000-07-10 2001-07-06 Verfahren zum Verlegen eines Metalldaches und Abdeckbauweise für solches Verfahren

Country Status (5)

Country Link
EP (1) EP1172497B8 (de)
AT (1) ATE261523T1 (de)
DE (1) DE60102265T2 (de)
ES (1) ES2217061T3 (de)
IT (1) IT1314418B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898178A (zh) * 2021-11-09 2022-01-07 中建八局第三建设有限公司 一种金属屋面安全系统的施工方法
IT202100017582A1 (it) * 2021-07-02 2023-01-02 Iscom S P A Staffa di connessione di lamiere per la riduzione del rumore dovuto alla dilatazione termica delle lamiere.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2544683B1 (es) 2014-01-27 2016-04-27 Guives Girona, S.A. Cubierta modular metálica para edificaciones

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730514A1 (fr) * 1995-02-14 1996-08-14 Soprema Paroi de batiment, notamment paroi de couverture comportant une isolation thermique et/ou acoustique
DE29516432U1 (de) * 1995-10-18 1997-02-13 Winter Hubertus Systemflachdachabdichtung mit Kunststoffverbindungselementen
EP0969159A2 (de) * 1997-06-11 2000-01-05 Schneider & Co. Leichtbausysteme Gebäudehülle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730514A1 (fr) * 1995-02-14 1996-08-14 Soprema Paroi de batiment, notamment paroi de couverture comportant une isolation thermique et/ou acoustique
DE29516432U1 (de) * 1995-10-18 1997-02-13 Winter Hubertus Systemflachdachabdichtung mit Kunststoffverbindungselementen
EP0969159A2 (de) * 1997-06-11 2000-01-05 Schneider & Co. Leichtbausysteme Gebäudehülle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100017582A1 (it) * 2021-07-02 2023-01-02 Iscom S P A Staffa di connessione di lamiere per la riduzione del rumore dovuto alla dilatazione termica delle lamiere.
CN113898178A (zh) * 2021-11-09 2022-01-07 中建八局第三建设有限公司 一种金属屋面安全系统的施工方法

Also Published As

Publication number Publication date
DE60102265T2 (de) 2005-03-03
EP1172497B8 (de) 2004-08-04
EP1172497A3 (de) 2002-05-08
ITVR20000066A1 (it) 2002-01-10
ES2217061T3 (es) 2004-11-01
EP1172497B1 (de) 2004-03-10
ATE261523T1 (de) 2004-03-15
DE60102265D1 (de) 2004-04-15
ITVR20000066A0 (it) 2000-07-10
IT1314418B1 (it) 2002-12-13

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