US3011289A - Corrugated building material - Google Patents
Corrugated building material Download PDFInfo
- Publication number
- US3011289A US3011289A US741505A US74150558A US3011289A US 3011289 A US3011289 A US 3011289A US 741505 A US741505 A US 741505A US 74150558 A US74150558 A US 74150558A US 3011289 A US3011289 A US 3011289A
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- Prior art keywords
- corrugations
- sheets
- corrugated
- overlapping
- 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.)
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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
- E04D3/38—Devices for sealing spaces or joints between roof-covering elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
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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
- E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
- E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Description
Dec. 5, 1961 J. E. OCHILTREE 3,011,289
CORRUGATED BUILDING MATERIAL Filed June 12, 1958 3,011,289 CORRUGATED BUILDING MATERIAL John E. Ochiltree, Wheaten, Ill., assignor to Ceco Steel Products Corporation, Omaha, Nebr., a corporation of Nebraska Filed June 12, 1958, Ser. No. 741,505 2 Claims. (Cl. 50-243) This invention relates to building material and more specifically to corrugated sheet material designed for use as roofing and capable of use also as siding or'sheathing.
The present invention constitutes an improvement upon prior patent to Ned A. Ochiltree, No. 2,781,877, issued February 19, 1957.
In the, commercial use of the invention disclosed in said patent it has been discovered that, unless the sheets are carefully laid and the corrugations of the overlapping margins are accurately aligned or fitted together, the mastic sealing material which is interposed between the lapped portions of the sheets sometimes fails to entirely close and seal the space between the sheets. Such failure, when it occurs, is usuallyat the crest of an underlying corrugation where a small unsealed opening is left through which moisture may eventually creep by capillary action so as to gain entrance to the interior of the building structure.
The primary object of my present invention is to provide a seal between lapped corrugated sheets which will insure against the leakage of moisture through a roof or siding.
Another purpose of my invention is to obviate the possibility of the above described leakage without substantially increasing the cost of production of the sheathing or roofing material.
A still further object is to provide a nailing line for the application of roofing in the field by the same structure or formation of the sheet which performs the desired sealing function.
Other objects and advantages of my invention will be appreciated as the same becomes better understood by reference to the following description when considered in connection with the accompanying drawing.
Referring to the drawing,
FIGURE 1 is a fragmentary plan view of the overlapping lower margin of a roofing or sheathing strip;
FIG. 2 is a fragmentary plan view of the underlapping upper margin of the same or a companion sheet;
FIG. 3 is an enlarged fragmentary sectional view illustrating in exaggerated form the point of leakage resulting from carelessly laid sheets;
FIG. 4 is an enlarged fragmentary sectional view on the line 44 of FIG. 1;
FIG. 5 is an enlarged fragmentary sectional view on the line 5-5 of FIG. 1;
FIG. 6 is a fragmentary sectional view, of a lapped joint embodying my invention; and
FIG. 7 is an end view of the upper edge of FIG. 2.
Referring to the drawing more in detail, reference character 6 indicates generally a corrugated sheet ofmetal or the like such, for instance, as is disclosed in said Patent No. 2,781,877, and having major corrugations 6a of substantial depth and width (FIG. 7). The upper and lower margins of such sheets are provided with small corrugations of lesser depth and width than the major corrugations 611, as shown. The marginal corrugations of the overlapping sheet are designated by reference character 7 (FIG. 1) and similar corrugations of the underlapping sheetare designated by reference character 8. It will be understood, of course, that each strip or sheet is corrugated along both the upper and lower margins. In other words, the lower overlapping margin of the sheet 6 is provided with the corrugations 7 while the upper under- ,Ua t ates PetemiQ 3,011,289 7 Patented Dec. 5, 196i ice is covered with a strip of paper (not shown) which is removed by the' applicator before the strip is laid.
It will be obvious that the best sealing effect will be obtained between the lapped corrugated margins when the corrugations 7 and 8 are accurately aligned, thereby providing spacing of uniform thickness between the lapped margins. In practice, however, the applicators sometimes become careless in laying the sheets with the result that the crests and valleys of the lapped sheets do not accurately align. FIG. 3 of the drawing illustrates to an exaggerated degree the condition which may result from such failure to align the lapped corrugations. As shown in FIGS. 3 and 6, the overlapping corrugations 7 are not accurately aligned with the underlying corrugations 8, consequently, the intervening space between the sheets in which the mastic sealing material 9 is disposed is of varying thickness with the maximum space occurring beneath the overlapping crests of the corrugations. The result is that small openings 11 unfilled by the sealing material are sometimes left, which permit moisture to enter by seepage or capillary action between the lapped sheets into the interior of the building structure.
To obviate such leakage is the purpose of the present invention. This desired result is attained by depressing the crests of the marginal corrugations of the overlapping portion of sheet 6 along a line extending transversely of the corrugations, as illustrated in FIGS. 1, 4 and 5. It will be apparent from FIGS. 4 and 5 that by depressing the crests of the corrugations along a transverse line to a level substantially as shown, transversely extending ribs 12 are produced between adjacent valleys 13 of the corrugations. Such ribs, together with the depending valleys 13 penetrate into the underlying mastic when the overlapping margin is depressed by the holding nails driven through the overlapped sheets. The ribs 12, therefore, provide a barrier extending transversely of the corrugations which precludes the entrance of moisture into the building between the sheets.
The formation of these barrier ribs is produced by a stamping or rolling action applied by a suitable instrument adapted to form aligned depressions in the crests of the corrugations. By the formation of these depressed barrier ribs, an elongated discontinuous depression or shallow groove extending transversely of the corrugations is formed. This groove, which is distinctly apparent to the applicator, provides a nailing line along which the fastening nails may be driven in neat alignment, as distinguished from the haphazard arrangement which has heretofore prevailed.
It will be apparent from the foregoing that I have provided corrugated roofing and sheathing sheets, preferably stantial depth and width and marginal areas at the opposite edges of said sheet having transversely disposed minor corrugations of lesser depth and width than the major corrugations, a strip of plastic mastic sealing material extending transversely across the minor corrugations at one edge thereof, and a depression in the crest only of each of the minor corrugations at the other edge thereof with said depressions arranged in alignment transversely across the sheet and disposed intermediate the length of the minor corrugations at said other edge to provide a single row of barrier sealing ribs disposed transversely of said last mentioned minor corrugations and penetrating the sealing material of an overlapped companion sheet to obstruct the passage of moisture between said sheets and to provide a transverse nail'line for anchoring the overlapping sheets.
2. Corrugated building material comprising corrugated sheets having their marginal end portions in overlapped relation, each of said sheets having transversely disposed major corrugations of substantial depth and Width and marginal portions at the opposite ends having transversely disposed minor corrugations of less depth and width than the major corrugations, one of said sheets provided with a strip of plastic mastic sealing material on and extending transversely of the minor corrugations of its overlapped marginal end portion and the other of said sheets provided on its overlapping marginal end portion with a single roW of aligned barrier sealing ribs depressed from the crest only of the overlapping minor corrugations, said ribs extending transversely across the overlapping sheet and intermediate the length of its minor corrugations and embedded in the underlying sealing material of the overlapped marginal end portion to obstruct the passage of moisture between said sheets and to provide a transverse nail line-'foranchoring the overlapping sheets.
References Cited in the file of this patent UNITED STATES PATENTS
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US741505A US3011289A (en) | 1958-06-12 | 1958-06-12 | Corrugated building material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US741505A US3011289A (en) | 1958-06-12 | 1958-06-12 | Corrugated building material |
Publications (1)
Publication Number | Publication Date |
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US3011289A true US3011289A (en) | 1961-12-05 |
Family
ID=24980989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US741505A Expired - Lifetime US3011289A (en) | 1958-06-12 | 1958-06-12 | Corrugated building material |
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US (1) | US3011289A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380573A (en) * | 1977-06-17 | 1983-04-19 | Korstrask Mekaniska, G. Naslund | Method and device for bending section-sheet, plate, strip and like material |
US4888930A (en) * | 1987-11-19 | 1989-12-26 | Kelly Thomas L | Sealed roof deck wind vacuum transfer system |
FR2663068A1 (en) * | 1990-06-12 | 1991-12-13 | Mboum Philibert | Improvement to the thin corrugated metal sheets for inclined roof frames |
US5570557A (en) * | 1995-04-05 | 1996-11-05 | Kwiatkowski; Janusz | Snow stop roofing with protrusion and/or wedge snow stop |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1616968A (en) * | 1926-01-09 | 1927-02-08 | Newton L Hall | Corrugated roofing or siding sheet |
US2369487A (en) * | 1943-11-04 | 1945-02-13 | Ceco Steel Products Corp | Sheet metal roofing material |
US2781877A (en) * | 1955-01-31 | 1957-02-19 | Ceco Steel Products Corp | Building material |
-
1958
- 1958-06-12 US US741505A patent/US3011289A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1616968A (en) * | 1926-01-09 | 1927-02-08 | Newton L Hall | Corrugated roofing or siding sheet |
US2369487A (en) * | 1943-11-04 | 1945-02-13 | Ceco Steel Products Corp | Sheet metal roofing material |
US2781877A (en) * | 1955-01-31 | 1957-02-19 | Ceco Steel Products Corp | Building material |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380573A (en) * | 1977-06-17 | 1983-04-19 | Korstrask Mekaniska, G. Naslund | Method and device for bending section-sheet, plate, strip and like material |
US4888930A (en) * | 1987-11-19 | 1989-12-26 | Kelly Thomas L | Sealed roof deck wind vacuum transfer system |
FR2663068A1 (en) * | 1990-06-12 | 1991-12-13 | Mboum Philibert | Improvement to the thin corrugated metal sheets for inclined roof frames |
US5570557A (en) * | 1995-04-05 | 1996-11-05 | Kwiatkowski; Janusz | Snow stop roofing with protrusion and/or wedge snow stop |
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