US1700138A - Metal shingle and the like - Google Patents

Description

Jan. 29, 1929. 1,700,138

T. E. MURRAY, JR

METAL SHINGLE AND THE LIKE Filed Nov. 14, 1924 E G F C mu r ll- H MN I ll IIJIHIJ 63 '7 J anowtoz 72001035. Murm /Ji' MWMMQ anew s. mmaAY, .13.,

PATENT OFFICE.

o1" :anooxmm, NEW YORK.

METAL SHINGLE AND THE LIKE.

- Application filed November Shingles of metal and particularly of copper are known, and it is the purpose of the present invention to provide certain improvements therein, described in detail hereinafter.

The accompanying drawings illustrate shingles embodying my invention.

., Fig. 1 is a perspective view of a single shingle; v i Fig. 2 is a cross-section of an overlapping horizontal joint between two shingles,

Fig. 3 is a section on the line 3.3. of Fig. 1; Fig. 4'is a perspective of part ofa modified form of shingle.

e The shingle illustrated has a body portion A with a perpendicular lower flange B bent backward to form a flange C which hooks under a portion of the next lower shingle in the manner indicated in Fig. 2. At its upper edge the body of the shingle is bent perpendicularly upward and forward to provide a portion 1) for engagementby the flange C of the next shingle, and then perpendicularly upward to form a flange E and backward to form a portion F by which-it is attached to the roof supports below by means of nails passing through holes G.- At one side edge the metal is bent over the top to form a flange H for engagement with a similar flange on the underside of the adjacent edge of the next shingle so as to form locked vertical. joints (that is in the vertical plane extending up and down the slope of the roof).

I propose to corrugate such shingles in whole or in part and either before the sheets are bent into shingle shape or afterward. The corrugations extend in the direction from top to bottom of the shingle and of the perpendicular flanges. On the body A which is exposed in use, they prese'nta considerable 40 improvement in appearance compared with a flat surface, giving the efi'ect of asoft tinted surface instead of a very bright one. Also thecorrugation's serve to stiffen the'shingle throughout. This is; very important to the manufacturer, not only in economizing metal, but in making it possible to use certain metals which are otherwise ill adapted practically for such use.

For shingles stifi'ened in the-way described, so it is possible to use. sheets of extremely thin metal. With non-corrodible metals like copper,,the only limitation on the thinness of the sheets used in making the shingles is the stiif ness required. By corrugating the sheets,

Ms. thinner stock may be used. The corrugations may be so shallow that the wavy line of Fig.

14, 1924. Serial no. 749,822.

. 3 will be very little longer than a straight. line the cross-section or weight of metal for a shingle of a given width being actually less than is required for the making of a shingle without corrugations.

The corrugations'may be applied alone to the body portion of theshingle, or they may be applied alone to one or more of the per pendicular portions B and E. In Fig. .4 I have shown a shingle of which only the perpendicular flange B at lower edge is corrugated, the body J and the flange K being flat. The corrugatingof the lower flange B has certain peculiar advantages whether the corrugations be extended to the other parts of the shingle or not. Efforts have been made to'produce a shingle of deposited cop per as distinguished from rolled sheets; the deposited copper being considerably cheaper weight for weight. But suchdeposited sheets are comparatively soft and weak so that they bend easily. The flange B has to have a certain stiffness in order to preserve its shape under the strains of handling and laying on the roof. With deposited copper of the minimum thickness which it is possible to use for the body and other parts of the shingle, it has been necessary to make'the lower flange comparatively short in order-.thatjt shall be stifl enough to hold its shape. But it is very desirable to have the flange B of greater height, say equal to that of the butt end of ordinary wooden shingles, so as to give an agreeable relief eflect to a roof of these'shingles. The corrugating of the flange as indicated inFig. 4 makes it possible to increase the height of this flange without loss in stiflness, while securing the economy involved in the use of deposited copper or other very thin metal.

Speaking roughly the flange should have a depth of about 1 inch which may be several times the thickness of the metal, as illustrated), which-.cannotbe satisfactorily done with deposited copper unless the flange be stiflened'. And while I prefer to stiflen the flange by means of corrugations as illustrated. yet my invention contemplates stifiening the flange in various other ways.

dinary pair of corrugating dies or by any other usual or suitable method. The lower edge alone of the sheet may be corrugated K. Or the part B alone ma be corrugated (after bonding to the perpen icular position) The corrugation may be eflected in an 'orbetween dies corresponding in Width to said part B.

Though I have described with great particularity of detail certain embodiments of my invention, yetit is not. to be understood therefrom that the invention is restricted to the particular embodiments illustrated. Various modifications may be made by those skilled in. the art without departing from the invention as defined in the following of the metal and the body of which flange is stiff-er against bending toward the plane of the shingle than the flat metal from which the shingle and flange are formed.

o. A shingle made of a sheet of comparatively soft and weak deposited copper of the minimum thickness which it is possible to use for the body, havin r a perpendicular flange at its lower edge the depth of which is several times'thethickness of the metal, the body of the shingle being flat and the lower flange being bent to form corrugations extending in the vertical direction so as to be stiffer than the body.

In witness whereof, I have hereunto si rned my name.

V, THOMAS E. MURRAY, JR.

Images