EP0367742B1 - Joining roofing sheets - Google Patents
Joining roofing sheets Download PDFInfo
- Publication number
- EP0367742B1 EP0367742B1 EP89850372A EP89850372A EP0367742B1 EP 0367742 B1 EP0367742 B1 EP 0367742B1 EP 89850372 A EP89850372 A EP 89850372A EP 89850372 A EP89850372 A EP 89850372A EP 0367742 B1 EP0367742 B1 EP 0367742B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bracket
- sliding
- tongue
- sliding part
- support surface
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
-
- 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
- E04D3/363—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets with snap action
-
- 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
- E04D2003/3615—Separate fastening elements fixed to the roof structure and consisting of parts permitting relative movement to each other, e.g. for thermal expansion
Abstract
Description
- The present invention relates to a method of assembling sheets of metal, such as sheet-metal roofing, facade sheets or the like, ready for assembly, of the kind revealed in the preamble to the appended independent method claim.
- The invention also relates to assembly brackets for sheets of metal of the type revealed in the preamble to the appended independent claim directed to a bracket.
- When assembling sheets of metal such as roofing sheets, it is conventional to use fixed brackets to secure the sheets at certain points, and sliding brackets which keep the sheets in place against the support surface but are able to absorb movement in the roofing sheets caused by thermal expansion, for instance.
- US-A-4 575 983 reveals a bracket for attachment of sheets of metal such as sheet-metal roofing, comprising a first part for attachment to a support surface and a sliding part for a attachment to a roofing sheet or the like to be clamped to the support surface, sliding part being connected in a manner permitting limited sliding movement along the first part. In order to limit the sliding movement, the first part has stops at the ends thereof, and a tab on the sliding part.
- WO-84/00393 reveals a bracket for attachment of sheets of metal such as sheet-metal roofing, comprising a first part for attachment to a roofing sheet or the like to be clamped to the support surface, the sliding part being connected in a manner promitting limited sliding movement along the first part. This sliding part is displaceable along a slot in the first part. A pair of embossments are arranged on the first part on opposite sides of the sliding part in a central position of the sliding part along the first part, in order to initially retain the sliding part in a central position along the first part.
- One problem in this connection is that the work requires at least two different types of brackets, i.e. fixed brackets and sliding brackets. Since the sheets are often assembled on outside roofs, on facades and other uncomfortable work-sites, having to deal with two different types of brackets is particularly time-consuming and troublesome. Furthermore, the previous use of two types of bracket has prohibited machine assembly of the brackets onto the sheets since the brackets would have to be arranged in the machine with the necessary distribution between fixed and sliding brackets.
- The conventional method is to manually apply the two different bracket types on the roofing sheets when they are being fitted on the roof. The distribution of fixed and sliding brackets must then be taken into consideration to ensure that they are fitted correctly and in accordance with the instructions. Since the brackets are fitted manually, there is no time to measure the distance between brackets and they are placed with a certain margin within the prescribed maximum distance. Admittedly the sheets are then more reliably anchored, but this method also entails increased costs. It would be an advantage to be able to pre-fit the anchoring brackets by machine at the maximum distance permitted. It would also be simpler to pre-fit brackets on the plates by machine in the factory or a field workshop rather than manually when the sheets are being assembled on the roof.
- One object of the invention is thus to provide a bracket which readily can be modified to a fixed bracket.
- According to the invention the bracket comprises a fixed part for attachment to a support surface, and a sliding part for attachment to a roofing sheet to be clamped to the support surface, the sliding part being connected in a manner permitting limited sliding movement along the first part, and is characterized in the sliding part is provided with a tongue permitting the sliding part to be secured against movement along the fixed part. A screw or nail can thus be inserted tongue into the support surface in order to secure the sliding part. The tongue may be provided with a hole for the attachment element, and the fixed part may be provided with an opening located to coincide with the hole, thus enabling an attachment element such as a screw to be easily inserted through the hole and the opening.
- The sliding part preferably has a mid-section connected slidably at its lower end to the fixed part, the tongue being formed by a punched line in the mid section so that the root of the tongue is located close to the edge of the sliding part which is adjacent to the fixed part. If the tongue is located beside the part of the mid-section to be anchored to the roofing sheet, the tongue may be delivered and used in folded-down position so that it lies parallel to the base plate resting on the support surface.
- When the upright mid-section of the sliding part is located approximately half way along the length of the base plate, an opening is preferably provided in the base plate, opposite the hole in the tongue and also an opening opposite the upright mid-section of the sliding part. An opening is also suitably placed at each end of the base plate. In order to secure the sliding part to the base plate a metal screw can be inserted through the hole in the tongue and the corresponding opening in the base plate, and one or more anchoring elements can be inserted into the other openings in the base plate. Often a single attachment element is sufficient, such as a screw located in the opening aligned with the mid-section of the sliding part. The fixed part of the bracket may be provided with a vertical rib the upper edge of which is bent over to form a guide along which the bent lower edge part of the sliding part can move. In this case the fixed and sliding parts are preferably made of sheet metal so that the fixed part is sufficiently rigid to be anchored at a single central point without becoming deformed.
- In an alternative embodiment of the bracket the tongue is punched in the mid-section of the sliding part and can be folded out from this when the bracket is to be fitted as a fixed bracket.
- Further modification will be evident to one skilled in the art. It should be particularly emphasized that the bracket may be shaped as a fixed bracket which, after manipulation, constitutes a sliding bracket, for example by the tongue being initially joined to the fixed part by an adhesive joint, for instance, the joint being broken if the bracket is to be used as a sliding bracket.
- The bracket according to the invention and modifications thereof are defined in the appended claims directed to the bracket.
- The inventive method of assembling sheets of metal, such as sheet-metal roofing, ready for assembly, is defined in the appended
method claim 12. - The invention will be described in the following by way of example with reference to the accompanying drawings.
- Figure 1
- shows in perspective a sliding bracket according to the invention,
- Figure 2
- shows schematically a cross-section through the bracket according to Figure 1 fitted as a fixed bracket in a joint between two roofing sheets,
- Figures 3 - 4
- show schematically a cross-section through a prefabricated roofing sheet of conventional design, to illustrate pre-fitting of the brackets according to the invention on the roofing sheets,
- Figure 5
- shows schematically and in perspective another embodiment of a bracket according to the invention,
- Figure 6
- shows in perspective a variant of the sliding bracket according to the invention,
- Figures 7 and 8
- show a further embodiment of the bracket according to the invention.
- Referring now to Figure 1, this shows a sliding bracket comprising a
base part 1 and apart 2 slidable along thebase part 1. Thebase part 1 consists of a sheet of metal bent to a general L shape, thus producing abase plate 10 and anupright rib 11. Theupper edge 19 andend edges 18 of therib 11 are folded again to produce a guide and end stops for thesliding part 2. Thesliding part 2 is folded at its lower edge to give a folded edge 21 (see Fig. 2) which grips under theedge 19. Thepart 2 is also bent at its upper end to give asection 22 intended to grip the edge of an upright flange on a roofing sheet or the like to be attached to the support surface by thebracket 1. Thebracket part 2 is suitably also made of sheet metal. Thepart 2 is provided with a punchedline 23 defining atongue 24 which can be folded down from the plane ofpart 2 to a position overplate 10 in thebase 1. Thetongue 24 is provided with ahole 25. Thebase plate 10 is also provided with a number ofopenings bracket 1 by means of nails or the like inserted through theholes - The bracket according to Figure 1 is basically a sliding bracket, the
sliding part 2 being displaceable along thebase 1 and thus able to absorb movements in the roofing sheets. However, if desired, thetongue 24 can be bent out to a generally horizontal position and secured to thebase 1, or the support surface on which thebase 1 is fitted, with the aid of nails or some other attachment element. A nail can then suitably be driven through thehole 25 in thetongue 24, said hole being located to fit over thecentral opening 12 in a suitable position for thesliding part 2 allowing longitudinal movement. - Figures 3 and 4, for instance, show a
roofing sheet 3 shown schematically in cross-section, provided withupright flanges upright flange 31 designed to cover the otherupright flange 32 can be seen to be bent twice at 90°, whereas the otherupright flange 32 need only be bent once at 90°. Figure 3 shows how abracket 1 according to Figure 1 is hooked onto theupright flange 32 and then bent down around the position indicated by the arrow in Figure 3, to assume the configuration illustrated in Figure 4. If thebase 1 of the bracket is secured to the support surface by a nail or the like, and thetongue 24 is not anchored to thebase 1 or the support surface, thenpart 2 will be slidable along thebase 1. - However, as mentioned above and as can be seen in Figure 2, the
tongue 24 can be folded down, theholes nail 40 then be driven through the holes and down into the support surface. Thepart 2 will then be fixed in relation to thebase 1 and the support surface 5 and will then constitute a fixed bracket. - Figure 5 shows an alternative embodiment of the bracket according to the invention.
- According to Figure 5, the guide for the sliding
part 2 is formed by abar 18 produced by cutting anelongate opening 14 in theupright rib 11 of thebase 1. - The lower edge of the sliding
part 2 is folded to form a hook which surrounds thebar 18, the hook being secured byjoints 26, such as spot welds, on each side of thetongue 24. - Figure 6 shows an alternative bracket according to the invention. This may be considered identical to the embodiment shown in Figure 1 except that the
tongue 24 is arranged beside theupright mid-section 28 of the sliding part. Thetongue 24 is folded out substantially parallel to thebase plate 10. Since the mid-section 28 is located approximately half way along theplate 10, thehole 25 in the tongue will suitably be opposite anopening 12 in theplate 10 and theplate 10 is provided with anopening 12′ opposite the central part of the mid-section 28. - A single anchoring screw or the like fitted through the
opening 12′ when the bracket is used as a sliding bracket may then be sufficient. No flexural forces will then appear when the bracket is loaded in pull-out direction. A second screw, such as a short metal screw, may be inserted into thehole 25 andopening 12 when the bracket is to be used as a fixed bracket. - However, it should be clear that it might also be sufficient to fit a single anchoring screw through the
hole 25 andopening 12 when the bracket is to be used as a fixed bracket, but a pull-out load directed centrally through the mid-section 28 would then produce a torque reducing the strength of the bracket since the load line and the anchoring element would not then be aligned. - The method according to the invention includes the use of the bracket according to the invention, thus allowing
conventional roofing sheets 3 according to Figures 3 and 4 to be provided with brackets in advance at the factory or in a field workshop. These brackets are then applied with the maximum distance permitted between them along theupright flange 32 and should in that case first be hooked on as shown in Figure 3 and then bent to the configuration shown in Figure 4 so that the brackets are firmly connected to the sheets. When the worker is then to assemble the sheets on the roof, he can use the brackets either as sliding or as fixed brackets, depending on the situation. - The sliding part has been shown throughout with a folded
edge portion 22 allowing it to grip around the edge of a roofing sheet. However, it should be evident that welded joints are used for certain types of roofing such as stainless steel sheets, andpart 2 need not therefore have a foldededge 22 since this is not necessary ifpart 2 is to be attached to the edge of a roofing sheet by means of seam welding. - Other embodiments are feasible. For instance the
tongue 24 may be provided with twoholes 25 and theplate 10 may have twocorresponding openings 12. This prevents the tongue from being twisted, for instance, if the sliding part is turned in the longitudinal direction of the bracket. - Figures 7 and 8 show a bracket basically similar to that shown in Figure 6. The
tongue 24 inpart 2 is thus initially folded down parallel to the fixedbase plate 10. Thetongue 24 need not therefore be folded down when the bracket is to be changed between its two main functions. It is sufficient to insert an attachment element through the tongue, preferably through ahole 25 therein, in order to secure thepart 2 against displacement along thepart 1. Thepart 1 is then suitably provided with anopening 12 which can be aligned with thehole 25. However, contrary to the embodiment in Figure 6, thetongue 24 is located centrally in relation to the mid-section 28, so that no torque occurs when the entire bracket is anchored andpart 2 is secured against displacement by means or one or two anchoring elements through the tongue and corresponding openings in theplate 10 located half way along the fixed part. Theplate 10 may of course be provided with anadditional opening 12′ located in the mid-region of its length, through which an anchoring screw or nail can be inserted beside thetongue 24 whenpart 2 is located midway along the length ofpart 1 and the bracket is to be used as a sliding bracket. However, an attachment element should preferably be placed in theopenings 13 located at each end of theplate 10 if the bracket is to function as a sliding bracket. - The
fixed part 1 as shown in Figure 7 is equivalent to that in Figure 6 or Figure 1, the end flaps 18 in Figure 1 being replaced by the ends of theedge portion 19 defining the guide being clamped together at 18′. - The sliding part of the bracket according to Figures 7 and 8 comprise basically an
upright mid-section 28 with an upper, foldededge part 22 and a lower, folded-outtongue 24. The mid-section 28 is shown provided with aguide edge 19. However, it should be clear that the mid-section may be provided with loops or be shaped to form a loop around a guide beam on the fixed part, similiarly to the embodiment according to Figure 5, theedge portion 283 being joined to themid-section portion 281, for instance, - In the embodiment shown in Figures 7 and 8 the mid-section 28 has been bent 180° in opposite directions around two separate
parallel axes part 2, to form a guidingedge edge 19 of the fixed part, and a guidinggroove edge part 19 engages. The embodiments of the bracket shown in the drawings are made of sheet-metal,parts parts - It should also be clear that even in the embodiment according to Figures 7 and 8 the
tongue 24 may be folded out at its root. According to one embodiment the bracket can then be supplied with thetongue 24 in a position substantially parallel to the mid-section 28. This embodiment is particullarly suitable if the bracket is to be fitted on thick insulating material, for instance, by means of a long screw which must be screwed into the support surface for the insulation. Such long screws are expensive and when the bracket is to be used as sliding bracket, a single anchoring located half way along theplate 10 is preferable if the mid-section 28 ofpart 2 is also located there. This is simple if the bracket is supplied with thetongue 24 up. When it is to be used as a fixed bracket, however, thetongue 24 can be easily folded down to the position shown in Figures 7 and 8. In conventional roofing with sheet-metal, about 10% of the brackets are usually fixed and the remainder are sliding brackets. - Several embodiments show the connection between
parts
Claims (12)
- A bracket for attachment of sheets of metal such as sheet-metal roofing, comprising a first part (1) for attachment to a support surface (5) and a sliding part (2) for attachment to a roofing sheet (3) or the like to be clamped to the support surface, the sliding quart (2) being connected in a manner permitting limited sliding movement along the first part (1), characterized in that the sliding part (2) is provided with a tongue (24) permitting the sliding part (2) to be secured against movement along the fixed part (1).
- A bracket as claimed in claim 1, wherein the sliding part (2) has a mid-section connected slidably at its lower end to the fixed part, the root of the tongue (24) being located at the slidable connection between the two quarts.
- A bracket as claimed in claim 1 or 2, wherein a hole (25) as punched in the tongue (24).
- A bracket as claimed in claim 3, wherein the fixed part (1) has a base plate (10) with openings (12) so located that the hole (25) in the tongue can be aligned with the opening, thereafter being secured by an attachment element inserted through the opening and the hole, down into the support surface (5).
- A bracket as claimed in any of claims 1 - 4, wherein the fixed part is provided with a vertical rib the upper edge (19) of which is bent over to form a guide along which the bent lower edge part (21) of the sliding part (2) can move.
- A bracket as claimed in any of claims 1 - 4, wherein the fixed part has a vertical rib with a guide formed by a slot extending the fixed part, and wherein the lower part of the sliding part (2) is shaped as a loop surrounding the material of the fixed part above the slot (14).
- A bracket as claimed in any of claims 1 - 6, wherein the tongue (24) is punched in the material of the sliding part.
- A bracket as claimed in any of claims 1 - 7, wherein the tongue (24) is folded down parallel to the base plate (10) of the fixed part and is located beside the vertical mid-section of the sliding part.
- A bracket as claimed in any of claims 1 - 7, wherein the tongue is located opposite the mid-section (28) of the sliding part (2), the bracket preferably being manufactured with the tongue parallel and close to the base plate (10) of the fixed part (1).
- A bracket as claimed in any of claims 5 - 9, wherein the mid-section (28) of the sliding part (2), made of sheet metal is bent to a shape cooperating with the guide in the fixed part.
- A bracket as claimed in any of claims 8 - 10, wherein an opening (12′) is provided in the base plate (10), said opening being positioned centrally in relation to the vertical mid-section of the movable part when said part is located approximately half way along the length of the base plate.
- A method of assembling sheets of metal (3) such as sheet-metal roofing on a roof support surface (5) said roofing sheets having parallel upright flanges (31,32), one (31) of which is intended to cover the other, comprising securing the other (32) of the flanges to the support surface (5) by means of fixed and sliding brackets at specified distances along the second flange (32), characterized by fitting the sheets (3) with brackets at the sheet-manufacturing stage, before the laying-out of the sheets of metal on the support surface, said brackets comprising a first part (1) for attachment to the support surface (5) and a sliding part (2) for attachment to the roofing sheet (3) to be clamped to the support surface, the sliding part (2) being connected in manner permitting limited sliding movement along the first part (1), wherein the sliding part (2) is provided with a tongue (24) permitting the sliding part (2) to be secured against movement along the fixed part and modifying a desired bracket on the laid-out sheet of metal into a fixed bracket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89850372T ATE87695T1 (en) | 1988-11-03 | 1989-10-30 | CONNECTION OF ROOF PANELS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8803988A SE468949B (en) | 1988-11-03 | 1988-11-03 | STOCKS AND PROCEDURES BEFORE ASSEMBLY OF THESE STOCKS AT ROOFING PLATES |
SE8803988 | 1988-11-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0367742A1 EP0367742A1 (en) | 1990-05-09 |
EP0367742B1 true EP0367742B1 (en) | 1993-03-31 |
Family
ID=20373850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89850372A Expired - Lifetime EP0367742B1 (en) | 1988-11-03 | 1989-10-30 | Joining roofing sheets |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0367742B1 (en) |
AT (1) | ATE87695T1 (en) |
AU (1) | AU4391989A (en) |
DE (1) | DE68905759T2 (en) |
SE (1) | SE468949B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105421675A (en) * | 2015-12-09 | 2016-03-23 | 黎明钢构股份有限公司 | Assembly for connecting ridge covering cap with roof panels |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106988488A (en) * | 2017-04-06 | 2017-07-28 | 中国十七冶集团有限公司 | A kind of roofing color steel tile concealed type attachment means and construction method |
CN109356336A (en) * | 2018-11-22 | 2019-02-19 | 锐态建筑科技(北京)有限公司 | A kind of short stile metal Roof sliding support |
EP3957805B1 (en) * | 2020-08-20 | 2023-11-08 | Sandrini Metalli S.p.A. | Structure for surface covering |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK111305B (en) * | 1966-11-15 | 1968-07-22 | Kaehler & Co I | Hook for attaching heat-insulating sheets of compressible material, mainly for insulating roof surfaces. |
US4034532A (en) * | 1976-05-13 | 1977-07-12 | Illinois Tool Works Inc. | Roof hold down clip assembly |
SE442033B (en) * | 1982-07-08 | 1985-11-25 | Bengt Johansson | sliding clip |
US4575983A (en) * | 1985-02-01 | 1986-03-18 | Nucor Corporation | Sliding hold-down clip for standing seam metal roof |
GB8724302D0 (en) * | 1987-10-16 | 1987-11-18 | Ward Building Systems Ltd | Building cladding system |
-
1988
- 1988-11-03 SE SE8803988A patent/SE468949B/en not_active IP Right Cessation
-
1989
- 1989-10-30 AT AT89850372T patent/ATE87695T1/en active
- 1989-10-30 DE DE8989850372T patent/DE68905759T2/en not_active Expired - Fee Related
- 1989-10-30 EP EP89850372A patent/EP0367742B1/en not_active Expired - Lifetime
- 1989-10-31 AU AU43919/89A patent/AU4391989A/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105421675A (en) * | 2015-12-09 | 2016-03-23 | 黎明钢构股份有限公司 | Assembly for connecting ridge covering cap with roof panels |
Also Published As
Publication number | Publication date |
---|---|
SE8803988D0 (en) | 1988-11-03 |
DE68905759T2 (en) | 1993-09-02 |
DE68905759D1 (en) | 1993-05-06 |
AU4391989A (en) | 1990-05-10 |
EP0367742A1 (en) | 1990-05-09 |
SE468949B (en) | 1993-04-19 |
ATE87695T1 (en) | 1993-04-15 |
SE8803988L (en) | 1990-05-04 |
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