US3283463A - Double-lock composition shingle - Google Patents

Double-lock composition shingle Download PDF

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US3283463A
US3283463A US365447A US36544764A US3283463A US 3283463 A US3283463 A US 3283463A US 365447 A US365447 A US 365447A US 36544764 A US36544764 A US 36544764A US 3283463 A US3283463 A US 3283463A
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strip
tabs
angular
shingle
edge
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US365447A
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Powell Ennis
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Powell Ennis
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/26Strip-shaped roofing elements simulating a repetitive pattern, e.g. appearing as a row of shingles

Description

Nov.

E. POWELL 3,283,463

DOUBLE-LOCK COMPOSITION SHINGLE Filed May a, 1964 5 Sheets-Sheet l Ennis Powell ATTORNEY Nov. 8, 1966 E. POWELL DOUBLE-LOCK COMPOSITION SHINGLE S Sheets-Sheet 2 Filed May 6, 1964 INVENTOR Ennis Powell ATTORNEY Nov. 8, 1966 E. POWELL DOUBLE-LOCK COMPOSITION SHINGLE 5 Sheets-Sheet 5 Filed May 6, 1964 INVENTOR Ennis Powell Fig.9

ATTORNEY United States Patent 3,283,463 DOUBLE-LOCK COMPOSITION SHIN GLE Ennis Powell, 1043 Ferncliif Trail, Dallas, Tex. Filed May 6, 1964, Ser. No. 365,447 3 Claims. (Cl. 52525) This invention relates to roofing materials, and particularly to roofing shingles generally formed of an asphaltic composition, or other material which is suitably flexible while capable of withstanding the elements and are thus of the type conventionally referred to as composition strip shingles.

Such shingles are usually die-cut from sheets of roofing materials which are commonly fabricated into strips of predetermined length and generally about 36 inches wide, and rolled. The shingles of conventional design comprise strips of the composition material which usually have parallel top and bottom edges, and have elongated s-lots equi-distantly spaced along the bottom edge and extending inwardly perpendicularly therefrom, whereby a plurality of tabs are formed in each .strip so that when the strips are applied to a pitched roof in the proper overlapping arangement the exposed tab portions thereof between the slots appear as individual shingles.

This type of composition shingle is well known but has some disadvantages which the present invention seeks to overcome. The conventional strip shingles, unless the individual tabs are secured in place, as by nailing, cementing, or other means, they are subjected to the damaging action of strong winds and torn away, or rain and snow can be trapped thereunder and penetrate to the roof decking.

The invention has for its primary object the provision of a strip shingle of the character described wherein is embodied interlocking features whereby, when the unitary strips are installed, each is firmly interconnected to its adjacent strips in such manner as to preclude the necessity for securing the exposed tab elements and, in effect, provide an integrated roof covering having a pleasing and uniform appearance.

It is a further object of the invention to provide a strip shingle which can be die-cut from standard widths of composition material with a minimum of waste, and in a continuous cutting operation, whereby the angular edges and interlocking tabs are uniformly shaped and accurately located.

An object of the invention resides in the provision of a strip shingle whose interlocking features are shaped and located in a manner whereby the leading edges of the exposed portions of the strip will direct rain water and melting snow away from the interlocked junctures between the strip and, by reason of an arrangement of obtuse angles along the depending edge of each exposed tab, forming the interlocking element, an effective water shed is provided.

Another and important object of the invention is that of providing a strip shingle in which the upper angular edge thereof is formed with a series of serrations calculated to prevent any water, which may find its way beneath the overlapping course, from traversing the length of the strip, and to deflect its path downwardly over the underlying strip.

Broadly, the invention contemplates the provision of a composition shingle structure which can be economically produced, capable of easy application by persons of ordinary skill, and affording a substantial and durable integrated roof cover.

While the foregoing objects are par-amount, other and lesser objects will become apparent as the description proceeds when considered in connection with the appended drawings wherein:

Patented Nov. 8, 1966 FIGURE 1 is a perspective illustration of a strip shingle embodying the invention.

FIGURE 2 is a schematic illustration showing the manner in which the shingle is die-cut from a continuous strip of conventional composition roofing, the latter being illustrated by hatched lines.

FIGURE 3 is a plan view of a shingle embodying the invention, illustrating the several angular cuts and slots.

FIGURE 4 fragmentarily illustrates the installation of the initial rake strips in the first course along the cave of a roof, the bottom element being shown partially in broken lines.

FIGURE 5 diagrammatically illustrates a plurality of interlocked strips, portions of which are shown in broken lines.

FIGURE 6 is another diagrammatic illustration, partially in broken lines, showing a plurality of courses of the strips in interlocked relationship, and showing the several courses extending progressively beyond the rake edge of the roof.

FIGURE 7 illustrates an installation of several courses of the shingle strip wherein the interlocked tabs are offset vertically.

FIGURE 8 is a plan view of a strip shingle embodying the invention but having dimensions between the slots and interlocking elements greater than those of the shingle shown in FIGURE 3 whereby to provide the roof pattern of FIGURE 7, and

FIGURE 9 illustrates a roof pattern in which the interlocking joints are aligned vertically in alternate courses.

The invention comprises a unitary strip 10, as shown in FIGURES 1, 3 and 8, and has an irregular peripheral outline defining two shingle tabs 11 and 12 Whose'bot- .tom edges 13 are in parallel planes spaced apart a -distance equal to the width of each course when the strip 10 is applied to a roof in the manner shown in FIG- URES 6, 7 and 9.

The free lateral edges 14 and 15 of the tabs 11 and 12, respectively, are inclined outwardly and upwardly at obtuse angles from the bottom edges 13 thereof, and each of the lateral edges 14 and 15 has a slot 16 formed there in intermediate their lengths which are directed inwardly and downwardly and become slightly narrower at their inner ends. Slots 17 and 18 are formed in each of the bottom edges 13 of the tabs 11 and 12, respectively, and these are perpendicular thereto. The slot '17 in the tab 11 is spaced from the angular free edge 14 of the tab 12, and the slot 18 is spaced inwardly from the end 19 of the tab 12 which opposes the free edge 15 thereof, as shown in FIGURES 1, 3 and 8. The purpose for the slots 17 and 18 will presently become apparent.

At the upper terminal of the free edge 14 of the tab 11 the strip 10 has an angular projection 20, the outer edge of which is perpendicular to the planes of the lower edges 13 of the tabs 11 and 12, while the upper edge is parallel thereto, defining a right-angular offset 21 in the end 22 of the strip 10 above the projection 20. The upper edge 23 of the strip 10 is biased downwardly from the end 22 thereof to the opposite end 24 and has a series of equidistantly spaced serrations 25 formed therealong, and whose function will be presently described. -A rightangular offset 26 is provided at the lower portion of the end 24 of the strip 10 by reason of its extension beyond the end 19 of the tab 12.

Thes trip 10 is formed in such manner as to be die-cut from a continuous strip 27 of composition material with 3 in certain areas, as for example, the locations of the slots 17 and 18, asexemplified in FIGURES 3 and 8, in order to provide the roof patterns shown respectively in FIG- URES 7 and 9. In FIGURE 7 the joints 28 between the tabs 11 and 12 are progressively otfset as the courses are applied and are not in vertical alignment with respect to the, horizontal arrangement of the courses, while the joints 28 of the roof pattern shown in FIGURE 9 are aligned vertically in alternate courses.

In applying the unitary strips 10 to a roof the. first course 29 along the edge or cave thereof is initiated by nailing a segment 30 of the strip 10 thereto at the lower left-hand corner of the roof, as shown in broken lines in FIGURES 4,5 and 6, the segment 30 being that portion of the shingle unit 10 at the narrow end 24 thereof which is cut oif at the rake edge 31 of the roof along the broken line 32, shown in FIGURES 3 and 8.

ond .unit-10 is applied over the segment 30 and is cut off at the broken line 33 intermediate the ends of the strip 10, v as shown in FIGURES 3 and 8, or at the rake edge 31 of f the roof, the hook element 34, formed by the inclined slot 16, being interlocked with the perpendicular slot 18 I in the segment 30, as indicated in dotted lines in FIG- URES 4, and 6, and secured by nails 35 at the locations indicated at 36 in FIGURES 3 and 8.

The sec- Overlapping the second strip 10, which is that portion of the unitary strip between the broken lines 32 and 33 (FIGURES 3 and 8) is a third unit 10 whose hook ele- 3 ment 34 is interlocked with the slot 18 of the second strip 10, its wider end 22 extending beyond the rake edge 31 j of the roof to be trimmed off, as shown in FIGURE 5 partially in broken lines. the full length of the cave of the roof every other shingle k unit 10 consists of that portion only which includes the tab 12, and between the broken line 33 and thenarrow Incompleting the first course end 24, as shown in broken and solid lines in FIGURES I 5 and 6, the alternate units comprising the entire strip 10.

After the first course is applied, the succeeding courses 1 can be easily applied by the simple act of interlocking I the hook elements 34 with the corresponding slot 17 or 18 of the strip units 10 of the lower courses. hook elements 34 are interlocked with the respective slots When the 17 and 18, the unitary strips 10 will become properly aligned longitudinally and the tabs 11 and 12 will be uniformly exposed providing a roof pattern such as illusj trated in either FIGURE 7 or 9.

The angular edges 14 and of the strips 10 will direct The serrations formed along the downwardly in- I clined top edge 23 of the shingle strips 10 are provided to deflect any water which might enter between the laminations, as by blowing rain, or the like, downwardly over 1 the surfaces of the shingles, the serrations 25 interrupting the stream and preventing it from traversing the length of j the strip 10 to enter a joint between it and its adjacent strip.

7 The invention is obviously capable of certain changes 1 in design and structure without departing from the spirit 1 and intent thereof or the scope of the appended claims.

What is-claimed is: 1. An interlocking strip shingleformed of pliable ma- 1 terial and having an irregular. marginal outline defining a plurality of shingle tabs along one side, the said tabs being straight along their lower edges longitudinally of said strip and offset in parallelplanes, the said ofiset being defined by an obtuse angular marginal edge of said strip intermediate its ends in a plane intersecting the lower edges of said tabs to form a lateral edge of the lowermost tab, the lower portion of an end of said strip having an obtuse angular outline in a plane parallel to the angle of said oflset and forming a lateral edge of the upper, tab, a slot formed in the lower edge of each tab and perpendicular thereto and spaced from the angular lateral edge thereof, each of said angular lateral edges having a slot formed therein and extending inwardly and downwardly for interlocking engagement with one of said perpendicular slots in an identical associated strip, the longitudinal marginal edge of said strip opposite said tabs being oblique to the lower edges of said tabs and having a series of serrations spaced therealong.

2. A strip shingle of pliable material for interlocking arrangement on a roof, and having an irregular outline defining a plurality of shingle tabs, the said tabs being straight along their lower edges in ofiset parallel planes longitudinally of said strip, a lateral edge of one of said tabs being obtusely angular intermediate the ends of said strip in a plane intersecting the planes of the straight lower edges of said tabs and defining said offset, a portion of'one end of said strip being obtusely angular in a plane parallel to that of said oifset and defining a lateral edge of the other tab, each of said tabs having a slot formed therein perpendicular to the straight lower edge thereof,each of said angular lateral edges of saidtabs having a downwardly and inwardly inclined slot formed therein whereby to be interlocked with the perpendicular slots in the tabs of an associated strip, the edge of said strip opposite said tabs being oblique to the straight edges thereof and formed with a series of spaced serrations.

3. In a strip shingle of pliable material having an irregular angular outline, one longitudinal edge of said strip having a plurality of straight portions in offset parallel planes, the said offset being defined by an obtuse angular portion in a plane intersecting said offset parallel planes, one end of said strip having an obtuse angular portion in a plane parallel-to that of said olfset portion, each of said straight portions and said obtuse angular portions defining the lower and lateral edges of a shingle tab, each of said tabs having a slot near one end of and perpendicular to its lower edge, and having a downwardly and inwardly inclined slot in its angular lateral edge whereby the slots in said lateral edges. arecapable of interlocking engagement with the perpendicular'slots' in the lower edges of said tabs, the opposite longitudinal edge of said strip being oblique to the planes of the lower edges of said tabs and having a series of spaced serrations therealong.

References Cited by the Examiner UNITED STATES PATENTS 2,655,880 10/ 1953 MacDonald 52525 2,728,309 12/1955 Abraham 4. 52 -525 References Cited by the Applicant UNITED STATES PATENTS 2,655,880 10/ 1953 MacDonald.

a HARRISON R. MOSELEY, Primary Examiner.

P. M. CAUN, Assistant Examiner.

Claims (1)

  1. 3. IN A STRIP SHINGLE OF PLIABLE MATERIAL HAVING AN IRREGULAR ANGULAR OUTLINE, ONE LONGITUDINAL EDGE OF SAID STRIP HAVING A PLURALITY OF STRAIGHT PORTIONS IN OFFSET PARALLEL PLANES, THE SAID OFFSET BEING DEFINED BY AN PARALLEL ANGULAR PORTION IN A PLANE INTERSECTING SAID OFFSET PARALLEL PLANES, ONE END OF SAID STRIP HAVING AN OBTUSE ANGULAR PORTION IN A PLANE PARALLEL TO THAT OF SAID OFFSET PORTION, EACH OF SAID STRAIGHT PORTIONS AND SAID OBTUSE ANGULAR PORTIONS DEFINING THE LOWER AND LATERAL EDGES OF A SHINGLE TAB, EACH OF SAID TABS HAVING A SLOT NEAR ONE END OF AND PERPENDICULAR TO ITS LOWER EDGE, AND HAVING A DOWNWARDLY AND INWARDLY INCLINED SLOT IN ITS ANGULAR LATERAL EDGE WHEREBY THE SLOTS IN SAID LATERAL EDGES ARE CAPABLE IN INTERLOCKING ENGAGEMENT WITH THE PERPENDICULAR SLOTS IN THE LOWER EDGES OF THE TABS, THE OPPOSITE LONGITUDINAL EDGE OF SAID STRIP BEING OBLIQUE TO THE PLANES OF THE LOWER EDGES OF SAID TABS AND HAVING A SERIES OF SPACED SERRATIONS THEREALONG.
US365447A 1964-05-06 1964-05-06 Double-lock composition shingle Expired - Lifetime US3283463A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9399871B2 (en) * 2014-11-21 2016-07-26 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
US9399870B2 (en) 2014-11-21 2016-07-26 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
US9410323B1 (en) 2015-03-13 2016-08-09 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD763468S1 (en) 2015-03-26 2016-08-09 Building Materials Investment Corporation Shingle
USD764076S1 (en) 2015-03-13 2016-08-16 Building Materials Investment Corporation Shingle
US9416539B2 (en) 2014-11-21 2016-08-16 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD765273S1 (en) 2015-03-26 2016-08-30 Building Materials Investment Corporation Shingle
USD765274S1 (en) 2015-03-26 2016-08-30 Building Materials Investment Corporation Shingle
USD765886S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765885S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765887S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765888S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD766467S1 (en) 2015-03-13 2016-09-13 Building Materials Investment Corporation Shingle
USD766469S1 (en) 2015-03-26 2016-09-13 Building Materials Investment Corporation Shingle
USD769472S1 (en) 2015-03-13 2016-10-18 Building Materials Investment Corporation Shingle
USD774215S1 (en) * 2014-11-21 2016-12-13 Building Materials Investment Corporation Shingle
USD776303S1 (en) * 2014-11-21 2017-01-10 Building Materials Investment Corporation Shingle
USD827158S1 (en) * 2014-11-21 2018-08-28 Building Materials Investment Corporation Shingle
USD829935S1 (en) * 2014-11-21 2018-10-02 Building Materials Investment Corporation Shingle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655880A (en) * 1952-01-23 1953-10-20 Sears Roebuck & Co Roofing shingle
US2728309A (en) * 1954-05-25 1955-12-27 Ruberoid Co Shingle and shingled covering

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655880A (en) * 1952-01-23 1953-10-20 Sears Roebuck & Co Roofing shingle
US2728309A (en) * 1954-05-25 1955-12-27 Ruberoid Co Shingle and shingled covering

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9399871B2 (en) * 2014-11-21 2016-07-26 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
US9399870B2 (en) 2014-11-21 2016-07-26 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD856539S1 (en) 2014-11-21 2019-08-13 Building Materials Investment Corporation Shingle
USD834220S1 (en) 2014-11-21 2018-11-20 Building Materials Investment Corporation Shingle
USD829935S1 (en) * 2014-11-21 2018-10-02 Building Materials Investment Corporation Shingle
US9416539B2 (en) 2014-11-21 2016-08-16 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD827158S1 (en) * 2014-11-21 2018-08-28 Building Materials Investment Corporation Shingle
USD804687S1 (en) 2014-11-21 2017-12-05 Building Materials Investment Corporation Shingle
USD776303S1 (en) * 2014-11-21 2017-01-10 Building Materials Investment Corporation Shingle
USD774215S1 (en) * 2014-11-21 2016-12-13 Building Materials Investment Corporation Shingle
USD856538S1 (en) 2014-11-21 2019-08-13 Building Materials Investment Corporation Shingle
USD766467S1 (en) 2015-03-13 2016-09-13 Building Materials Investment Corporation Shingle
USD764076S1 (en) 2015-03-13 2016-08-16 Building Materials Investment Corporation Shingle
USD769472S1 (en) 2015-03-13 2016-10-18 Building Materials Investment Corporation Shingle
US9410323B1 (en) 2015-03-13 2016-08-09 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
USD765887S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765886S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765274S1 (en) 2015-03-26 2016-08-30 Building Materials Investment Corporation Shingle
USD765273S1 (en) 2015-03-26 2016-08-30 Building Materials Investment Corporation Shingle
USD766469S1 (en) 2015-03-26 2016-09-13 Building Materials Investment Corporation Shingle
USD763468S1 (en) 2015-03-26 2016-08-09 Building Materials Investment Corporation Shingle
USD765885S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle
USD765888S1 (en) 2015-03-26 2016-09-06 Building Materials Investment Corporation Shingle

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