US2488887A - Roofing - Google Patents
Roofing Download PDFInfo
- Publication number
- US2488887A US2488887A US779693A US77969347A US2488887A US 2488887 A US2488887 A US 2488887A US 779693 A US779693 A US 779693A US 77969347 A US77969347 A US 77969347A US 2488887 A US2488887 A US 2488887A
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- Prior art keywords
- sheets
- sheet
- catch
- plates
- loop
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- 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
Definitions
- This invention relates to coverings for the roof and sides of a building, and in particular to the protection of such roofs and sides by the use of relatively large metal sheets. While the invention is applicable to both roofing and siding it is illustrated and described in its applicability to roofing.
- Fig. 1 is a perspective view of the roofing, applied to a roof Figs. 2 and 3- plan and end views, respectively, of a sheet connecting and rein-forcing member; and Figs. 4 and 5 longitudinal and transverse vertical sections taken along lines IVIV and V-V, respectively, of Fig. 1.
- a roof I is covered by aplurality of rather large elongate metal sheets 2, each of which has upper and lower edges shaped specially to be interconnected with upper and lower edges of other sheets, and also by sheet connecting plates 3 which secure the sheets against lateral movement and serve to reinforce the strength and the interconnections of the metal sheets.
- each of sheets 2 which preferably are fabricated from light and relatively strong metal, has outer and inner faces 4 and 6, upper and lower horizontal marginal edges 1 and 8 and side edges 9.
- upper edge I of each sheet is curved upwardly to form a catch it and lower edge 8 is formed into an S-shaped curve bybeing bent downwardly and inwardly, then upwardly toward inner face 6, and then downwardly and outwardly, the efiect of these curvatures being to form upper and lower loops l2- and i3, lower loop l3 being designated the catch-receiving loop.
- the remaining portion of lower edge 8 lies in the inclined plane of the slope of the roof to form a sheet fastening flap I 4, which, as shown in Fig.
- FIG. 1 A modified form of roof-covering sheets is shown in Fig. 1, these being triangular sheets I8 which, as is apparent, are shaped to fit over the peak or ridge of a roof and render it water-tight.
- the lower edges of these sheets are looped in the same manner as the lower edges of sheets 2 and are referenced with the same numerals.
- the workman commences at the ridge and works downwardly to the eaves, this procedure in itself being more convenient and safer than the more usual practice of working from the eaves upwardly.
- the triangular peak sheets first are fitted over the ridge and their sheet fastening flaps nailed in position, and then a sheet 2 is connected to the lower edge of each peak sheet by inserting its upper catch portion I I into the catch-receiving loop [3 of the triangular sheet, and this sheet 2 is then secured by nailing down its flap.
- the work continues in the obvious manner until the eaves are reached, a particular advantage of these sheet connections being the ease and speed with which they are made.
- each plate is a pair of longitudinal strengthening corrugations 24 which are so spaced that, when the plate is operativeiy positioned they fit over or nest with longitudinal ribs l1 formed on each sheet, and this nesting of the corrugations and ribs secures the sheets against lateral movement;
- Each of the sheet connecting plates is positioned over the side margins of a pair of laterally adjacent sheets by inserting its upper hook 21 into the catch-receiving loops l3 of the two upwardly adjacent sheets and springing its lower edge loops 22 into the catch-receiving loops of the pair over which the connecting platelies.
- each pair of laterally adjacent sheets which form the roof covering have their side edges connected by a plate 3 and, in order to provide for triangular peak or ridge sheets i8, specially formed peak con ecting plates 2e are provided, which, except for their upper edges, are the same as plates 3.
- FIG. 4 An advantage of the connecting plates is that they secure the interconnection of the upper and lower edges of the sheets. This is illustrated in Fig. 4 where it is seen that, after a pair of sheets 2 has been interconnected by inserting a catch member ll into a catch-receiving loop l3, connecting plate loop 22 and its curved finger 23 is sprung into loop l3 to bear against the catch. Then, as the laying of the connector plate progresses, a hook member 2
- a further advantage of these plates is that the fit of their corrugations 24' over sheet ribs I1 additionally strengthens the sheets and permits the use of lighter materials which, of course, are more easily handled.
- the sheets are spaced apart laterally a suific-ient amount to permit expansion, and the fastening member or nail receiving openings l5 of their flaps 14 are made larger than fastening members 95 so that the sheets can expand beneath the members.
- plates 3 permit such expansion since, as shown in Fig. 5, plate corrugations 24 are made larger than the sheet ribs 22 over which they fit so that, as the sheet expands, its ribs have sufiicient freedom of movement within the corrugations.
- the roofing is unusually water-tight.
- the upper and lower edges of adjacent sheets overlap each other and their interconnections efiectively expel rain, snow or other moisture. Further, even though the side edges of adjacent sheets are spaced apart to permit expansion, as mentioned above, the connecting plates cover this space and make it water-tight.
- the sheets are provided with means permitting it to escape to the roofings outer, or top surface.
- outlet openings 25 spaced laterally along the bottoms of the upper loops l2 at the lower edges of the sheets there are outlet openings 25 through which the condensed moisture can escape.
- loop I2 is formed by bending it back toward, but not to, inner face 6 of the sheet, so that a passageway 2'! is provided through which the condensed moisture can flow to the outlet openings.
- the invention provides roofcovering sheets and plates which are interconnected so as to form water-tight roofing and which will nevertheless permit any interior condensed moisture to escape. Also, the use of relatively large sheets is permitted since provision is made for their lateral and longitudinal expansion and contraction.
- the connecting plates function to permit lateral expansion due to size of their corrugations with respect to the ribs and also due to the fact that the use of such plates allows the sheets to be spaced laterally a slight distance. Also, as explained, the plates reinforce the sheets and secure the engagement of their upper and lower edges.
- Covering for a building comprising the combination of a plurality of covering sheets each having formed on its longitudinal ribs adjacent to their edges, and each having its upper margin bent upwardly into a catch and its lower margin formed into a catch-receiving recess for receiving the catch of a downwardly adjacent sheet whereby said upper and lower marginal portions of adjacent sheets are interconnected; and sheet securing and reinforcing plates connecting the side edges of adjacent sheets, each of said plates having formed thereon a pair of spaced longitudinal corrugations and each having its upper margin bent upwardly into a hook-like projection and its lower margin bent downwardly and back upon itself into a loop, said loop being sprung into the catch-receiving recesses of a pair of laterally adjacent sheets and said upper marginal hook being inserted into the catch-receiving recesses of a pair of upwardly adjacent sheets, and said plate corrugations fitting over a rib of each of said laterally adjacent sheets whereby said sheet interconnections are secured and said laterally adjacent sheets connected and reinforced.
- Covering for a building comprising the combination of a plurality of laterally spaced covering sheets each having a longitudinal rib adjacent each of its edges, and each having its upper margin bent upwardly into a catch and its lower margin formed into a catch-receiving recess for receiving the catch of a downwardly adjacent sheet whereby said upper and lower marginal portions of adjacent sheets are interconnected; and sheet securing and reinforcing plates connecting the side edges of adjacent sheets, each of said plates having formed thereon a pair of spaced longitudinal corrugations and each having its upper margin bent upwardly into hook-like projections and its lower margin bent downwardly and back upon itself into a loop, the end portions of said lower margin being bent downwardly into a curved finger, said lower marginal loop being sprung into the catch-receiving recesses of a pair of laterally adjacent sheets and said upper marginal hook being inserted into the catch-receiving recesses of a pair of upwardly adjacent sheets, and said plate corrugations loosely fitting over a rib of each of said laterally
- Covering for a building comprising the combination of a plurality of laterally spaced coverin sheets each having a longitudinal rib adjacent each of its edges, and each having its upper margin bent vertically upward to form a catch and its lower horizontal edge looped downwardly and inwardly and then upwardly towards the inside face of the sheet, then downwardly and outwardly to form a catch-receiving loop, the remaining portion of the lower edge forming a sheet fastening flap passing under said catch-receiving loop in close proximity to it, said flaps having fastening member receiving openings of larger diameter than said members for permitting expansion of said covering sheets, and said inwardly bent loop being provided with a series of laterally spaced moisture outlet openings, said covering sheets being interconnected by inserting said upper horizontal edges of the sheets into the catch-receiving loops of the upwardly adjacent sheets; and sheet receiving and reinforcing plates connecting together the side edges of adjacent sheets, each of said plates having formed thereon a pair of spaced longitudinal corrugations and each having its upper margin bent upward
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Description
Nov. 22, 1949 I ADAMS 2,488,887
ROOFING Filed 001:. 14, 1947 2 Sheets-Sheet l 49 4 7- TOR/V5 19.
JNVENTOR. Maw
H. G. ADAMS Nov. 22, 1949 ROOFING 2 sheets-sheet 2 Filed Oct. 14, 1.947
INVENTOR. W6 MW BY Patented Nov. 22, 1949 UNITED STATES PATENT OFFICE.
ROOFING Howard G. Adams, Mount Lebanon, Pa. Application October 14, 1947, Serial No. 779,693
3 Claims. 1
This invention relates to coverings for the roof and sides of a building, and in particular to the protection of such roofs and sides by the use of relatively large metal sheets. While the invention is applicable to both roofing and siding it is illustrated and described in its applicability to roofing.
It is among the objects of this invention to provide a water-tight covering of interlocking metal sheets, which is securely interlocked against longitudinal and lateral slipping; which is unusually light, strong and inexpensively manufactured; which can be quickly and easily secured in place; which permits the escape of any moisture that may form beneath it, and which permitslateral and longitudinal expansion and contraction resulting from thermal changes.
The invention is illustrated in the accompanying drawings, of which Fig. 1 is a perspective view of the roofing, applied to a roof Figs. 2 and 3- plan and end views, respectively, of a sheet connecting and rein-forcing member; and Figs. 4 and 5 longitudinal and transverse vertical sections taken along lines IVIV and V-V, respectively, of Fig. 1.
Referring to the drawings, a roof I is covered by aplurality of rather large elongate metal sheets 2, each of which has upper and lower edges shaped specially to be interconnected with upper and lower edges of other sheets, and also by sheet connecting plates 3 which secure the sheets against lateral movement and serve to reinforce the strength and the interconnections of the metal sheets.
Referring particularly to Fig. 4, each of sheets 2, which preferably are fabricated from light and relatively strong metal, has outer and inner faces 4 and 6, upper and lower horizontal marginal edges 1 and 8 and side edges 9. To form the sheet interconnecting elements, upper edge I of each sheet is curved upwardly to form a catch it and lower edge 8 is formed into an S-shaped curve bybeing bent downwardly and inwardly, then upwardly toward inner face 6, and then downwardly and outwardly, the efiect of these curvatures being to form upper and lower loops l2- and i3, lower loop l3 being designated the catch-receiving loop. The remaining portion of lower edge 8 lies in the inclined plane of the slope of the roof to form a sheet fastening flap I 4, which, as shown in Fig. l, is provided with a series of openings IE to receive sheet fastening members or nails It. At equally spaced distances from each side edge of the sheet are formed a pair of longitudinal strengthening ribs ll, (Fig. 5.) these-ribs also serving, in a man ner to be described, to engage with sheet connecting plates 3.
A modified form of roof-covering sheets is shown in Fig. 1, these being triangular sheets I8 which, as is apparent, are shaped to fit over the peak or ridge of a roof and render it water-tight. The lower edges of these sheets are looped in the same manner as the lower edges of sheets 2 and are referenced with the same numerals.
In covering a roof, the workman commences at the ridge and works downwardly to the eaves, this procedure in itself being more convenient and safer than the more usual practice of working from the eaves upwardly. The triangular peak sheets. first are fitted over the ridge and their sheet fastening flaps nailed in position, and then a sheet 2 is connected to the lower edge of each peak sheet by inserting its upper catch portion I I into the catch-receiving loop [3 of the triangular sheet, and this sheet 2 is then secured by nailing down its flap. The work continues in the obvious manner until the eaves are reached, a particular advantage of these sheet connections being the ease and speed with which they are made.
In addition to interconnecting the upper and lower edges of the sheets, their side edges also are connected, as mentioned before, by plates 3. These plates, asv shown in Figs. 2 and 3, are formed by bending each of their upper horizontal edges vertically upward-1y into a hook 2|, and bending the lower margin downwardly and back upon itself into a spring loop 22, the end portion of which is bent downwardl into a curved finger 23. Also formed on each plate is a pair of longitudinal strengthening corrugations 24 which are so spaced that, when the plate is operativeiy positioned they fit over or nest with longitudinal ribs l1 formed on each sheet, and this nesting of the corrugations and ribs secures the sheets against lateral movement; Each of the sheet connecting plates is positioned over the side margins of a pair of laterally adjacent sheets by inserting its upper hook 21 into the catch-receiving loops l3 of the two upwardly adjacent sheets and springing its lower edge loops 22 into the catch-receiving loops of the pair over which the connecting platelies.
Aswill be noted in Fig. 1, each pair of laterally adjacent sheets which form the roof covering have their side edges connected by a plate 3 and, in order to provide for triangular peak or ridge sheets i8, specially formed peak con ecting plates 2e are provided, which, except for their upper edges, are the same as plates 3.
An advantage of the connecting plates is that they secure the interconnection of the upper and lower edges of the sheets. This is illustrated in Fig. 4 where it is seen that, after a pair of sheets 2 has been interconnected by inserting a catch member ll into a catch-receiving loop l3, connecting plate loop 22 and its curved finger 23 is sprung into loop l3 to bear against the catch. Then, as the laying of the connector plate progresses, a hook member 2| of a next lower plate also is inserted into this loop I3 and, as shown, is held tightly therein in engagement with curved finger 23 of loop 22.
A further advantage of these plates is that the fit of their corrugations 24' over sheet ribs I1 additionally strengthens the sheets and permits the use of lighter materials which, of course, are more easily handled.
One difficulty which has been experienced with the use of relatively large metal roof-covering sheets is that their expansion and contraction due to thermal changes may cause them to buckle and eventually break loose, or to separate and permit moisture to enter. The roofing provided by this invention makes adequate provision for either lateral or longitudinal expansion or contraction. Longitudinal expansion of both the sheets and the plates is permitted due to the fact that the upper ends of both members are not fastened and also because of their loops.
Lateral expansion of the sheets is permitted by the particular manner in which they are arranged on the roof and attached to it. Thus, as seen in Figs. 1 and 5, the sheets are spaced apart laterally a suific-ient amount to permit expansion, and the fastening member or nail receiving openings l5 of their flaps 14 are made larger than fastening members 95 so that the sheets can expand beneath the members. Also, plates 3 permit such expansion since, as shown in Fig. 5, plate corrugations 24 are made larger than the sheet ribs 22 over which they fit so that, as the sheet expands, its ribs have sufiicient freedom of movement within the corrugations.
When the sheets and plates have been laid and interconnected properly, the roofing is unusually water-tight. The upper and lower edges of adjacent sheets overlap each other and their interconnections efiectively expel rain, snow or other moisture. Further, even though the side edges of adjacent sheets are spaced apart to permit expansion, as mentioned above, the connecting plates cover this space and make it water-tight.
However, some moisture will condense beneath the roofing, and it is another feature of the invention that the sheets are provided with means permitting it to escape to the roofings outer, or top surface. Thus, spaced laterally along the bottoms of the upper loops l2 at the lower edges of the sheets there are outlet openings 25 through which the condensed moisture can escape. Also, loop I2 is formed by bending it back toward, but not to, inner face 6 of the sheet, so that a passageway 2'! is provided through which the condensed moisture can flow to the outlet openings.
It will be seen that the invention provides roofcovering sheets and plates which are interconnected so as to form water-tight roofing and which will nevertheless permit any interior condensed moisture to escape. Also, the use of relatively large sheets is permitted since provision is made for their lateral and longitudinal expansion and contraction. In addition, the connecting plates function to permit lateral expansion due to size of their corrugations with respect to the ribs and also due to the fact that the use of such plates allows the sheets to be spaced laterally a slight distance. Also, as explained, the plates reinforce the sheets and secure the engagement of their upper and lower edges. These and the other advantages which have been explained provide a highly protective, durable and attractive roofcovering and one which can be attached to a roof quite simply and quickly.
According to the provisions of the patent statutes, I have explained the principle of my invention and have illustrated and described what I now consider to represent its best embodiment. However, I desire to have it understood that, within the scope of the appended claims, the invention may be practiced otherwise than as specifically illustrated and described.
I claim:
1. Covering for a building, comprising the combination of a plurality of covering sheets each having formed on its longitudinal ribs adjacent to their edges, and each having its upper margin bent upwardly into a catch and its lower margin formed into a catch-receiving recess for receiving the catch of a downwardly adjacent sheet whereby said upper and lower marginal portions of adjacent sheets are interconnected; and sheet securing and reinforcing plates connecting the side edges of adjacent sheets, each of said plates having formed thereon a pair of spaced longitudinal corrugations and each having its upper margin bent upwardly into a hook-like projection and its lower margin bent downwardly and back upon itself into a loop, said loop being sprung into the catch-receiving recesses of a pair of laterally adjacent sheets and said upper marginal hook being inserted into the catch-receiving recesses of a pair of upwardly adjacent sheets, and said plate corrugations fitting over a rib of each of said laterally adjacent sheets whereby said sheet interconnections are secured and said laterally adjacent sheets connected and reinforced.
2. Covering for a building, comprising the combination of a plurality of laterally spaced covering sheets each having a longitudinal rib adjacent each of its edges, and each having its upper margin bent upwardly into a catch and its lower margin formed into a catch-receiving recess for receiving the catch of a downwardly adjacent sheet whereby said upper and lower marginal portions of adjacent sheets are interconnected; and sheet securing and reinforcing plates connecting the side edges of adjacent sheets, each of said plates having formed thereon a pair of spaced longitudinal corrugations and each having its upper margin bent upwardly into hook-like projections and its lower margin bent downwardly and back upon itself into a loop, the end portions of said lower margin being bent downwardly into a curved finger, said lower marginal loop being sprung into the catch-receiving recesses of a pair of laterally adjacent sheets and said upper marginal hook being inserted into the catch-receiving recesses of a pair of upwardly adjacent sheets, and said plate corrugations loosely fitting over a rib of each of said laterally adjacent sheets whereby said sheet interconnections are secured and said laterally adjacent sheets connected and reinforced.
3. Covering for a building, comprising the combination of a plurality of laterally spaced coverin sheets each having a longitudinal rib adjacent each of its edges, and each having its upper margin bent vertically upward to form a catch and its lower horizontal edge looped downwardly and inwardly and then upwardly towards the inside face of the sheet, then downwardly and outwardly to form a catch-receiving loop, the remaining portion of the lower edge forming a sheet fastening flap passing under said catch-receiving loop in close proximity to it, said flaps having fastening member receiving openings of larger diameter than said members for permitting expansion of said covering sheets, and said inwardly bent loop being provided with a series of laterally spaced moisture outlet openings, said covering sheets being interconnected by inserting said upper horizontal edges of the sheets into the catch-receiving loops of the upwardly adjacent sheets; and sheet receiving and reinforcing plates connecting together the side edges of adjacent sheets, each of said plates having formed thereon a pair of spaced longitudinal corrugations and each having its upper margin bent upwardly into hook-like projections and its lower margin bent downwardly and back upon itself into a loop, the end portions of said lower margin being bent down- HOWARD G. ADAMS.
REFERENCES CITED The following references are of record in the file of this patent:.
UNITED STATES PATENTS Number Name Date 720,893 Charlebois Feb. 17, 1903 2,308,766 Martinus Jan. 19, 1943
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US779693A US2488887A (en) | 1947-10-14 | 1947-10-14 | Roofing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US779693A US2488887A (en) | 1947-10-14 | 1947-10-14 | Roofing |
Publications (1)
Publication Number | Publication Date |
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US2488887A true US2488887A (en) | 1949-11-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US779693A Expired - Lifetime US2488887A (en) | 1947-10-14 | 1947-10-14 | Roofing |
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US (1) | US2488887A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2682236A (en) * | 1951-08-16 | 1954-06-29 | Henry W Holmstrom | Construction unit |
DE1012056B (en) * | 1953-05-04 | 1957-07-11 | Aluminum Lock Shingle Corp Of | Aluminum roof panel |
US2842237A (en) * | 1955-06-06 | 1958-07-08 | Horst W A Paulssen | Method and means of improving the structural characteristics of sheet material |
US3004321A (en) * | 1960-04-22 | 1961-10-17 | Robert A Pulliam | Adjustable metal form |
US3173224A (en) * | 1960-09-08 | 1965-03-16 | Aagaard Georg Christ Schonberg | Roof structure |
US3269073A (en) * | 1963-03-06 | 1966-08-30 | Timber Engineering Co | Wood siding construction |
JPS59185327U (en) * | 1983-05-26 | 1984-12-10 | 株式会社 カナメ | Scrapboard joint for horizontal roofing materials |
EP0204965A2 (en) * | 1985-06-11 | 1986-12-17 | Johann B. Pfeifer | Construction element for covering exterior walls of buildings, particularly a roof covering |
US20050223771A1 (en) * | 2002-01-28 | 2005-10-13 | Corus Bausysteme Gmbh | Metal sheet for building purposes, and method and apparatus for marking such sheets |
US7788874B2 (en) * | 2004-11-10 | 2010-09-07 | Miller Jr John L | Roofing clip for metal roofing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US720893A (en) * | 1902-07-07 | 1903-02-17 | Edwin G Charlebois | Sheet-metal siding. |
US2308766A (en) * | 1942-07-16 | 1943-01-19 | Gunnar Mortenson | Convertible structure for buildings or the like |
-
1947
- 1947-10-14 US US779693A patent/US2488887A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US720893A (en) * | 1902-07-07 | 1903-02-17 | Edwin G Charlebois | Sheet-metal siding. |
US2308766A (en) * | 1942-07-16 | 1943-01-19 | Gunnar Mortenson | Convertible structure for buildings or the like |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2682236A (en) * | 1951-08-16 | 1954-06-29 | Henry W Holmstrom | Construction unit |
DE1012056B (en) * | 1953-05-04 | 1957-07-11 | Aluminum Lock Shingle Corp Of | Aluminum roof panel |
US2842237A (en) * | 1955-06-06 | 1958-07-08 | Horst W A Paulssen | Method and means of improving the structural characteristics of sheet material |
US3004321A (en) * | 1960-04-22 | 1961-10-17 | Robert A Pulliam | Adjustable metal form |
US3173224A (en) * | 1960-09-08 | 1965-03-16 | Aagaard Georg Christ Schonberg | Roof structure |
US3269073A (en) * | 1963-03-06 | 1966-08-30 | Timber Engineering Co | Wood siding construction |
JPS59185327U (en) * | 1983-05-26 | 1984-12-10 | 株式会社 カナメ | Scrapboard joint for horizontal roofing materials |
EP0204965A2 (en) * | 1985-06-11 | 1986-12-17 | Johann B. Pfeifer | Construction element for covering exterior walls of buildings, particularly a roof covering |
EP0204965A3 (en) * | 1985-06-11 | 1987-09-09 | Johann B. Pfeifer | Construction element for covering exterior walls of buildings, particularly a roof covering |
US20050223771A1 (en) * | 2002-01-28 | 2005-10-13 | Corus Bausysteme Gmbh | Metal sheet for building purposes, and method and apparatus for marking such sheets |
US7788874B2 (en) * | 2004-11-10 | 2010-09-07 | Miller Jr John L | Roofing clip for metal roofing |
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