|Publication number||US1278270 A|
|Publication date||10 Sep 1918|
|Filing date||8 Mar 1917|
|Priority date||8 Mar 1917|
|Publication number||US 1278270 A, US 1278270A, US-A-1278270, US1278270 A, US1278270A|
|Inventors||Hugh L Wilber|
|Original Assignee||Hugh L Wilber|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (13), Classifications (3)|
|External Links: USPTO, USPTO Assignment, Espacenet|
H. L. WILBER.
ROOFING MATERIAL. APPLICATION FILED MAR. 8. IQII.
l 927,2?0?. Patented Sept. 10, 1918.
. details of structure,
- ings r .as are.
HUGH L.- Witsen, or Kansas CITY, Mrssourlr.
Speccati I.eers Patent. Patfntd Sept. ll, llgllg Application filed March 8, 1917. Serial No. 153,287.
To all whom it may concern:
Be it known that I, HUGH L. WILBE-n, a
citizen of the United States, residing at.
Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Roofing Material; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertai-ns to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which forno a part of this specification.
My invention relates to roofing material, and more particularly to shingles, roofing strips, or the like, wherein a fibrous body is employed and to which a coating of asphalt, tar or an equivalent compound is applied to render the body water and Weather proof; the principal object of the invention being to provide roofing material of this character wherein the coating compound 1s applied only to the exposed 'surface and is substantially keyed to the body to prevent its cracking or peeling therefrom, and to add strength and durability to the body strip.
In accomplishing this and other objects' of the invention,I have provided improved theV preferred forms ofv which are illustrated 1n the accompanying drawing, wherein Figure I is fa perspective view of a slungle or roofing strip embodying the present invention; the coating compound being removed from a portion of the strip to illustrate the perforated body. Fig.. II is an enlarged sectional view of the same, Lparticularly illustrating the key- 'ing of the ,coating compound to the body strip.
Fig. III is a plan view ofthe under side of a portionof the strip showing the key heads. Referring more in detail to the draw- 1 designates a sheet of' roofing material constructedaccording to the present invention, comprising a body strip 2, of an absorbent fibrous material, such as rag or wool felt, or such paper products commonly known as straw board, chip board,ax board or any other fibrous material, to Which 1s -applied a mastic durable coating 3 of waterproofng compound consisting of asphaltum, tar, or an equivalent, which is applied when in a liquid state tosthe web to give the latter strength and to render it weather proof.
In preparing the body strip, or web, 2, it is provided throughout its entire surface with closely spaced perforations 4 which are preferably arranged in staggered rows so as not to impair the strength of the strip, and are preferably of such size as to comprise about one-half of the area of the strip. Ihe apertures are preferably punched from the material to leave the perforations entirely open so that they may readily receive the'coating compound.
Before applying the surface coating 3 to the web the latter is first drawn through a liquid preservative compound so that not only the web surfaces become saturated, but the compoundv enters the perforations and effects almost instant saturation of the web.
After being saturated by the preservative compound, the web is drawn between rollers where all the superfluous liquid is squeezed out and the web left ready to receive the outer coating 3.
The strip of fabric is then passed into a vat wherethe mastic coating is applied to theupper surface to waterproof the mateterial. chiefly of asphalt, or tar, is applied .when 1n a liquid state and is rolled or ironed over the surface of the web to produce a coating of uniform thickness and to press 'the material into the apertures 4 to form thekey members 5 and the key heads 6 which overlap the under surface of they webabout the edgesof the apertures and serve, after the coating material has become dry, to securely bind the coating`com-pound and body web together.
Before thecoating has become thoroughly v dry, gritor sand 7 may be sifted over the surface and pressed thereinto to provide a 100 more durable wearing surface for the material.
f Assuming that the material is prepared in this manner it will be Seen that the coating is applied only being the side which is to be exposed to the weather, while the apertures in the web permit a more thorough saturation and also provide means forl substantially keying the coating to the web tions will not cause cracking or peeling of the coating from the body.
This coating compound, consisting to one side of the web, that .105
so that climatic condi- It is also apparent that the key heads will sheet of absorbent material coated on one effectively hold the outer coating` to the side only with a bituminous material, the body and that a' seating of greater thicksaid material projecting through 'perfora- 15 -ness than is customary may be applied. t tions in the sheet with the projecting por- 5 alsois noted that the perforated body is tions spread on' the uncoated side of the ,substantially strengthened lby the keys so sheet to form a plurality of individual keys that a. durable and substantial product is whereby the covering material is bonded provided. y tothe perforated-sheet, substantially as set 2o Having thus descrlbed my invention, what forth. 10 I claim as new therein, and desire to secure ln testimony whereof I my signature.
by Letters-Patent, is ze' Roofing material comprising a perforated JHUGH L. WILBER.
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|US4617221 *||30 Nov 1984||14 Oct 1986||Von Der Chys Lieuwe||Sheet of roofcovering material and method to apply this sheet in or as a roofcovering|
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