WO1996017145A1 - Laminated roofing shingle - Google Patents
Laminated roofing shingle Download PDFInfo
- Publication number
- WO1996017145A1 WO1996017145A1 PCT/US1995/015657 US9515657W WO9617145A1 WO 1996017145 A1 WO1996017145 A1 WO 1996017145A1 US 9515657 W US9515657 W US 9515657W WO 9617145 A1 WO9617145 A1 WO 9617145A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- color
- shingle
- value
- striations
- tabs
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/26—Strip-shaped roofing elements simulating a repetitive pattern, e.g. appearing as a row of shingles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/28—Roofing elements comprising two or more layers, e.g. for insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D2001/005—Roof covering by making use of tiles, slates, shingles, or other small roofing elements the roofing elements having a granulated surface
Definitions
- This invention relates to an improved roofing product, and in particular, to a shingle having an enhanced gradation of color values to create the illusion of thickness or depth on a relatively flat surface.
- Asphalt roofing products are often divided into three broad groups: shingles, roll roofing and underlayment.
- Shingles and roll roofing typically functions as outer roof coverings designed to withstand exposure to weather and the elements.
- Shingles and roll roofing generally contain the same basic components which provide protection and long term wear associated with asphalt roofing products. These components include a base material made from an organic felt or fiberglass mat which serves as a matrix to support the other components and gives the product the required strength to withstand manufacturing, handling, installation and service in the intended environment.
- An asphalt coating formulated for the particular service application is often applied to the base material to provide the desired long term ability to resist weathering and to provide stability under the anticipated temperature extremes.
- An outer layer of mineral granules is also commonly applied to the asphalt coating to form a surface exposed to the weather which shields the asphalt coating from the sun's rays, adds color to the final product and provides fire resistance.
- Asphalt shingles are one of the most commonly used roofing materials. Such shingles are typically manufactured as strip shingles, interlocking shingles and large individual shingles in a variety of weights and colors. Such asphalt shingles are also often referred to as composite shingles. Even though composite and/or asphalt shingles offer significant cost, service life and flammability advantages over wood shingles, wood shingles are still often preferred due to the pleasing aesthetic appearance of a wood shingled roof. An important aesthetic advantage of such wood shingles is their greater thickness as compared to composite shingles. The thickness of wood shingles results in a more pleasing, layered look for the finished roof.
- Value is an indication of the relative darkness or lightness of a color.
- the human eye is capable of seeing a wide range of color values. As wood shingles age or weather, they produce an infinite variety of subtle changes in value which provide a pleasing aesthetic appearance. Also, changes in both lighting and naturally occurring shadows associated with relatively thick wood shingles further enhances their generally pleasing aesthetic appearance.
- a shingle is provided to substantially reduce or eliminate the shortcomings previously associated with the appearance of composite and/or asphalt shingles.
- transition stripes may be disposed between horizontal striations to provide a value gradation with enhanced differences in contrast on portions of a shingle to create the illusion of thickness or depth on a relatively flat surface.
- the use of transition stripes prevents the enhanced difference in contrast from presenting a confused or disjointed appearance.
- the resulting shingle provides the appearance of depth or thickness often associated with wood shingles.
- the present invention may be used with various roofing products including laminated shingles having tabs or dragon teeth extending from a first shingle sheet with the tabs disposed on top of a second shingle sheet.
- the first shingle sheet may sometimes be referred to as a dragon tooth strip and the second shingle sheet may sometimes be referred to as a "backer strip”.
- a shingle may be provided having an exposed surface or weather surface with alternating first portions of relatively uniform value adjacent to second portions having an enhanced value gradation from light to dark.
- first portions or first color portions may vary in contrast with respect to each other and the enhanced value gradation portions or the second color portions may also vary with respect to each other.
- One embodiment of the present invention includes a laminated shingle having a plurality of dragon teeth with openings therebetween.
- a backer strip is preferably disposed under the dragon teeth with portions of the backer strip exposed through the openings between the dragon teeth.
- Each dragon tooth preferably has a relatively uniform value and/or color. The color and value of adjacent dragon teeth may vary as desired.
- the exposed portions of the associated backer strip preferably have an enhanced value gradation from light to dark to create the desired illusion of depth.
- the present invention offers an increased range of values for any selected color using a manageable number of different horizontal striations and transitions stripes to produce the desired visual appearance.
- Technical advantages of the present invention may include providing a laminated shingle with an enhanced value graduation formed by a plurality of horizontal striations on a backer strip with a large difference in contrast or value between the lightest striation and the darkest striation.
- the number and width of the horizontal striations formed on the backer strip may be varied to provide the enhanced gradation in value from light to dark to create the desired illusion of depth or thickness.
- a transition stripe may be formed between adjacent horizontal striations to further enhance the desired value gradation between horizontal striations having a large difference in contrast.
- transition stripes By providing one or more transition stripes in accordance with the teachings of the present invention, horizontal striations having a high difference between light and dark values may be satisfactorily used to produce a pleasing subtle shading effect associated with wood shingles while at the same time allowing the use of the enhanced value gradation associated with high contrasts. For some applications the large difference in contrast between the lightest striation and the darkest striation would produce a confused and disjointed appearance instead of providing the desired appearance without the use of transition stripes disposed between adjacent horizontal striations in accordance with the teachings of the present invention.
- FIGURE 1 is a perspective view of a single laminated shingle incorporating one embodiment of the present invention
- FIGURE 2 is a top plan view of the shingle of FIGURE 1;
- FIGURE 3 is a front view of the shingle of FIGURE 1;
- FIGURE 4 is a left side view of the shingle of FIGURE 1;
- FIGURE 5 is a perspective view of a partial roofing section covered with shingles incorporating one embodiment of the present invention.
- FIGURE 6A is a schematic drawing with portions broken away of a sheet of roofing material incorporating one embodiment of the present invention from which components for the shingle of FIGURE 1 may be obtained;
- FIGURE 6B is an enlarged drawing with portions broken away showing the sheet of roofing material in FIGURE 6A with transition stripes disposed between adjacent horizontal striations;
- FIGURE 6C is a schematic drawing with portions broken away showing one alternative embodiment to allow for recovery of loose mineral granules from the surface of the sheet of roofing material;
- FIGURE 7A is an exploded isometric view showing components taken from the sheet of roofing material in
- FIGURE 6A which may be used to form the shingle of FIGURE i;
- FIGURE 7B is an enlarged drawing with portions broken away showing a second shingle sheet or backer strip of FIGURE 7A with transition stripes disposed between adjacent horizontal striations; and
- FIGURE 8 is an isometric drawing showing portions of a hopper which may be used to form transition stripes between adjacent horizontal striations in accordance with one embodiment of the present invention.
- FIGURES 1-8 of the drawings like numerals being used for like and corresponding parts of the various drawings.
- Laminated shingle 20 incorporating one embodiment of the present invention is shown in FIGURES 1-4.
- Laminated shingle 20 preferably comprises first shingle sheet 30 and second shingle sheet 50, which cooperate with each other to provide headlap section 32 and buttlap section 34.
- First shingle sheet 30 has a generally rectangular configuration comprising headlap section 32 with a plurality of tabs 36 extending therefrom to partially define buttlap section 34.
- tabs 36 are further designated respectively as 36a, 36b and 36c.
- Tabs 36 may also be referred to as "dragon teeth”.
- a plurality of openings 38 may be formed between adjacent tabs 36.
- Second shingle sheet 50 also has a generally rectangular configuration and may be disposed beneath tabs 36 with portions of second shingle sheet 50 exposed through the associated openings 38.
- first shingle sheet 30 may sometimes be referred to as a "dragon tooth sheet”.
- Second shingle sheet 50 may sometimes be referred to as a "backer strip”.
- openings 38 formed between adjacent tabs 36 with portions of backer strip 50 disposed thereunder may sometimes be referred to as "valleys.”
- tabs 36 may have equal or different widths and may have a square, rectangular, trapezoidal, or any other desired geometric configuration.
- openings 38 may have equal or different widths and may have a square, rectangular, trapezoidal or any other desired geometric configuration.
- laminated shingles 20 may be fabricated from sheet 80 of roofing material shown in FIGURE 6A with tabs 36 and openings 38 formed as a "reverse image" of each other.
- laminated shingle 20 may be formed from a fiberglass mat (not shown) with an asphalt coating on both sides of the mat. If desired, the present invention may also be used with shingles formed from organic felt or other types of suitable base material. The present invention is not limited to use with shingles having a fiberglass mat.
- the exposed outer surface or weather surface 42 for shingle 20 is defined in part by tabs 36 and the portions of backer strip 50 which are exposed through openings 38 between adjacent tabs 36.
- Weather surface 42 of laminated shingle 20 may be coated with various types of mineral granules to protect the associated asphalt coating, to add color to laminated shingle 20 and to provide fire resistance.
- ceramic coated mineral granules may be used to form the outer layer comprising weather surface 42.
- a wide range of mineral colors from white and black to various shades of red, green, yellow, brown, blue and any combination thereof may be used to provide the desired color or colors for shingle 20.
- the underside of shingle 20 may be coated with various inert minerals with sufficient consistency to seal the associated asphalt coating.
- An important feature of the present invention includes providing a plurality of horizontal striations on the surface of second shingle sheet 50 which is exposed through respective openings 38.
- second shingle sheet 50 has three horizontal striations 52, 54 and 56. These horizontal striations 52, 54 and 56 preferably provide a value gradation from light starting at leading edge 24 to dark at the upper portion of each opening 38.
- the number of horizontal striations and the width of each striation on backer strip 50 may be varied depending upon the desired aesthetic appearance of the resulting laminated shingle 20.
- the value gradation formed on second shingle sheet 50 may include ten or fifteen striations with each striation having a width of one quarter of an inch to one half an inch.
- each striation may have a different color and/or value to establish the desired amount of contrast. Contrast for purposes of this patent application is defined as the degree of difference in the value between areas of light and dark. For some applications, a gradual change in contrast associated with a large number of striations may provide the appearance of depth or thickness associated with wood or other natural products.
- second shingle sheet 50 preferably includes transition stripe 152 disposed between horizontal striations 52 and 54 and transition stripe 154 disposed between horizontal striations 54 and 56.
- transition stripe 152 disposed between horizontal striations 52 and 54
- transition stripe 154 disposed between horizontal striations 54 and 56. The relationship between horizontal striations 52, 54 and 56 and the associate transition stripes 152 and 154 are more fully shown in FIGURE 6B and 7B.
- an enhanced appearance of depth may be created on laminated shingle 20 by forming horizontal striation 52 from a relatively light value and horizontal striation 56 from a relatively dark value with a large difference in contrast between the light value and the dark value.
- the difference in colorimeter readings between the lightest value and the darkest value or the contrast between horizontal striations 52 and 56 may vary from approximately nine (9) to eighteen (18) depending on the selected generic color and its associated tone.
- Transition stripe 152 may be formed from a relatively uniform mixture of approximately fifty percent (50%) ceramic coated mineral granules associated with horizontal striation 52 and approximately fifty percent (50%) ceramic coated mineral granules associated with horizontal striation 54.
- transition stripe 154 may be formed from a relatively uniform mixture of the respective ceramic coated mineral granules used to form horizontal striations 54 and 56.
- the ratio of ceramic coated mineral granules from adjacent horizontal striations may be varied from twenty-five percent (25%) to seventy-five (75%) .
- the present invention allows the specific ratio of mineral granules used to form each transition stripe to be varied depending upon the specific color and value of the adjacent horizontal striations.
- the present invention allows the use of transition stripes 152 and 154 to provide a subtle gradation or change in value between the respective horizontal striations 52, 54 and 56.
- each horizontal striation 52, 54 and 56 along with the associated transition stripes 152 and 154 may be formed from mineral granules having the same generic color or tone, such as brown, gray, red, blue, yellow or black.
- Horizontal striations 52, 54 and 56 are preferably formed from the selected generic color having respective variations of the generic color with a light, medium and dark value.
- a colorimeter or other suitable testing equipment may be used to measure the value of light or dark contrast associated with horizontal striations 52 and 56 to evaluate the desired difference in value or contrast between the respective striations.
- an important feature of the present invention includes providing transition stripes 152 and 154 between the associated horizontal striations 52, 54 and 56.
- transition stripe 152 may be formed from a relatively uniform mixture of ceramic coated minerals associated with horizontal striation 52 and ceramic coated minerals associated with horizontal striation 54.
- the ceramic coated minerals used to form transition stripe 154 may be a mixture of ceramic coated mineral granules associated with horizontal striation 54 and ceramic coated mineral granules associated with horizontal striation 56.
- the acceptable difference in contrast between horizontal striations 52 and 56 depends in part upon the generic color and tone selected for the specific laminated shingle 20.
- the preferred contrast in value for some color tones may be as high as eighteen (18) while for other color tones, the contrast value may be eight (8) or nine (9) .
- An important feature of the present invention includes the ability to vary the mixture of the ceramic coated mineral granules used to form transition stripes 152 and 154 to provide the desired subtle, gradual change in value between horizontal striations 52 and 56, while at the same time having a large value gradation.
- an acceptable range of color contrast or value gradation may be from six (6) to eleven (11) .
- the acceptable range for the value gradation for the same family of colors may be increased from nine (9) to eighteen (18) .
- the use of transition stripes in accordance with the teachings of the present inventions allows use of a higher value gradation for the same color tone as compared with previous techniques.
- tab 36a is shown having a relatively light value corresponding with horizontal striation 52.
- Tab 36b is shown having a relatively dark value corresponding with horizontal striation 56.
- Tab 36c is shown having a medium value corresponding with the value of horizontal striation 54.
- each tab 36 may have essentially the same uniform value and/or color.
- tabs 36a and 36c may have the same value and/or color and tab 36b a different value and/or color.
- the present invention allows shingle 20 to have a weather surface 42 with enhanced value gradations represented by horizontal striations 52, 54 and 56 and their associated transition stripes 152 and 154 disposed between relatively uniform value portions represented by tabs 36a, 36b and 36c.
- a plurality of laminated shingles 20 may be installed on a roof or other structure (not shown) to provide protection from the environment and to provide an aesthetically pleasing appearance.
- the normal installation procedure for laminated shingles 20 includes placing each shingle 20 on a roof with an overlapping configuration.
- buttlap section 34 of one shingle 20 will be disposed on the headlap section 32 of another shingle 20.
- Self-sealing adhesive strips 40 may be used to secure the overlapping shingles 20 with each other.
- a limited lateral offset is preferably provided between horizontally adjacent rows of shingle 20 to provide an overall aesthetically pleasing appearance for the resulting roof.
- FIGURES 6A and 7A illustrate portions of the procedures associated with fabricating laminated shingle 20 from sheet 80 of roofing material incorporating one embodiment of the present invention.
- Various procedures and methods may be used to manufacture sheet 80 of roofing material from which shingles incorporating the present invention may be fabricated. Examples of such procedures are contained in United States Patent Nos. 1,722,702 entitled roofing Shingle ; 3,624,975 entitled Strip Shingle of Improved Aesthetic Character; 4,399,186 entitled Foam Asphalt Weathering Sheet for Rural Roofing Siding or Shingles ; and 4,405,680 entitled roofing Shingle .
- Each of these preceding patents is incorporated by reference for all purposes within this application.
- Sheet 80 is preferably formed from a fiberglass mat placed on a jumbo roll (not shown) having a width corresponding to the desired sheet 80.
- Laminated shingles 20 are typically fabricated in a continuous process starting with the jumbo roll of fiberglass mat.
- laminated shingles 20 may also be fabricated using organic felt or other types of base material.
- Sheet 80 as shown in FIGURE 6A, preferably comprises a fiberglass mat with an asphalt coating which will both coat the fibers and fill any void spaces between the fibers.
- a powdered limestone stabilizer (not shown) may be included as part of the asphalt coating process.
- a smooth surface of various inert minerals of sufficient consistency may be placed on the bottom surface of sheet 80 to seal the asphalt coating.
- Top surface 82 is preferably covered with a layer of mineral granules such as ceramic coated stone granules to provide the desired relatively uniform color and/or value portions and the value gradation portions associated with weather surface 42 of shingle 20.
- FIGURE 6A shows a schematic representation of roller 86 and mineral granular hopper 90 which may be used to provide the desired granular surface coating for sheet 80.
- Arrow 100 shows the direction of travel for sheet 80.
- Hopper 90 includes a plurality of partitions 91 which divide hopper 90 into compartments 92, 94, 96 and 98.
- the larger compartment or central compartment 98 of hopper 90 may contain the mineral granules which will produce the desired color on dragon teeth or tabs 36 and the other portions of first shingle sheet 30 which will be exposed to the environment.
- the transfer of mineral granules from hopper 90 may sometimes be referred to as a "color drop.”
- the present invention may be used with various types of granule storage, color mixers and granule blenders to provide various color drops on tabs 36 and/or headlap portion 32 as desired for the specific laminated shingle 20. Also, various types of rollers and/or granule blenders may be used to place mineral granules with the desired variations in value and/or color on top surface 82 of sheet 80. The present invention is not limited to use with hopper 90 and roller 86 as shown in FIGURE 6A.
- FIGURE 6C shows a schematic arrangement for one orientation of sheet 80 relative to roller 86 and hopper 80 to assist with the recovery of loose granules.
- Various other arrangements may be used as known in the art.
- transition stripe 152 is preferably disposed between horizontal striations 52 and
- transition stripe 154 is preferably disposed between horizontal striations 54 and 56.
- horizontal striations 52, 54 and 56 are shown in FIGURE 6A with solid lines 53 and 55 disposed respectively therebetween.
- Solid lines 53 and 54 and 56 are shown in FIGURE 6A with solid lines 53 and 55 disposed respectively therebetween.
- the nominal width of horizontal striations 52, 54 and 56, as shown in FIGURE 6B, may be in the range of approximately 1.4 to 0.9 inches.
- Transitions stripes 152 and 154 are preferably disposed between respective horizontal striations 52, 54 and 56.
- transition stripes 152 and 154 preferably have a width of approximately one inch.
- the centerline of transition stripe 152 will preferably correspond approximately with line 53 between horizontal striations 52 and 54.
- the centerline of transition stripe 154 will preferably correspond approximately with line 55 between horizontal striations 54 and 56.
- each first shingle sheet 30 may have the same mixture of mineral granules on both the headlap section and the buttlap section.
- headlap section 32 may have the same layer of mineral granules as buttlap section 34 or headlap section 32 may have a neutral or noncolored layer of mineral granules.
- an important feature of the present invention includes providing at least one portion of weather surface 42 having a relatively uniform value and/or color and another portion of weather surface 42 having an enhanced value gradation from light to dark to create the appearance of depth or thickness on the associated portion of weather surface 42.
- the surface layer on headlap section 32 may be varied as desired for each application.
- Different colored mineral granules corresponding to the desired horizontal striations 52, 54 and 56 may be placed in the appropriate compartments 92, 94 and 96 for one embodiment of the present invention.
- mineral granules from the appropriate compartment in hopper 90 will fall onto top surface 82 of sheet 80.
- Roller 85 will then press the mineral granules into the associated asphalt coating.
- the volume or pounds per square foot of mineral granules placed on surface 82 is preferably the same throughout the full width of sheet 80. However, by dividing hopper bin 90 into compartments, the color and/or value of various portions of sheet 80 may be varied including providing horizontal striations 52, 54, and 56 and transition stripes 152 and 154 for backer strip 50.
- the width of lanes 62 and 64 is selected to correspond generally with the desired width for first shingle sheet 30.
- the width of lanes 60 and 66 is selected to correspond generally with the desired width for second shingle sheet 50.
- Lanes 60, 62, 64, and 66 may then be cut laterally to correspond with the desired length for the resulting first shingle sheet 30 and second shingle sheet 50.
- the rotation of roller 86 and the movement of sheet 80 are coordinated to place the desired color drop or drops on each shingle 20.
- the cut along dotted line 186 corresponds with the desired pattern for dragon teeth 36 and associated openings 38.
- eight lanes may be cut from a sheet of roofing material similar to sheet 80. The number of lanes is dependent upon the width of the respective sheet of roofing material and the desired width of the resulting shingles.
- each lateral cut of sheet 80 will typically result in two backer strips 50 and two first shingle sheets 30 which may be assembled with each other to form two laminated shingles 20.
- the resulting laminated shingles 20 are then packaged with the desired color configuration for future installation on a roof.
- FIGURE 8 shows a portion of hopper 90 represented by splitter 93 which may be satisfactorily used to place mineral granules on sheet 80 to form horizontal striations 52, 54 and 56 along with the associated transition stripes 152 and 154.
- compartments 92 and 96 contain one or more recesses 102 which are provided to adjust the flow rate of mineral granules in the respective compartment 92 and 96 to correspond approximately with the mineral granule flow rate in compartment 94.
- Outlet end 104 of splitter 93 has been modified in accordance with the teachings of the present invention to provide the desired mixture of color granules associated with each transition stripe 152 and 154.
- partition 91 between compartments 92 and 94 includes a pair of diverters with respective openings 106 and 108.
- An important feature of the present invention includes the ability to adjust the geometric configuration and the dimensions associated with diverters and openings 106 and 108 to vary the percentage of mineral granules from the respective compartments 92 and 94 which will form transition stripe 152.
- partition 91 between compartments 94 and 96 includes a pair of diverters and respective openings 110 and 112 to regulate the percentage of mineral granules from the respective compartments 94 and 96 which form transition stripe 154.
- transition stripes 152 and 154 preferably include approximately an equal mixture of mineral granules from the respective compartments 92, 94 and 96.
- the geometric configuration and dimensions of the diverters and their respective openings 106, 108, 110 and 112 may be varied to adjust the ratio of mineral granules from the respective compartments 92, 94 and 96 which form transition stripes 152 and 154.
- various mechanisms other than splitter 93 may be satisfactorily used to form transition stripes 152 and 154. 21
- an enhanced value gradation of the present invention may be placed on shingles using various procedures and various types of materials.
- the present invention is not limited to shingles formed by the process shown in FIGURES 6A and 7A.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002205859A CA2205859C (en) | 1994-11-30 | 1995-11-30 | Laminated roofing shingle |
AU46389/96A AU4638996A (en) | 1994-11-30 | 1995-11-30 | Laminated roofing shingle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/347,032 | 1994-11-30 | ||
US08/347,032 US5611186A (en) | 1994-02-01 | 1994-11-30 | Laminated roofing shingle |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996017145A1 true WO1996017145A1 (en) | 1996-06-06 |
Family
ID=23362045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1995/015657 WO1996017145A1 (en) | 1994-11-30 | 1995-11-30 | Laminated roofing shingle |
Country Status (4)
Country | Link |
---|---|
US (1) | US5611186A (en) |
AU (1) | AU4638996A (en) |
CA (1) | CA2205859C (en) |
WO (1) | WO1996017145A1 (en) |
Cited By (1)
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US6790307B2 (en) | 2002-01-22 | 2004-09-14 | Owens Corning Fiberglas Technology, Inc. | Shingles with multiple blend drops and method of depositing granules onto a moving substrate |
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-
1994
- 1994-11-30 US US08/347,032 patent/US5611186A/en not_active Expired - Lifetime
-
1995
- 1995-11-30 CA CA002205859A patent/CA2205859C/en not_active Expired - Lifetime
- 1995-11-30 WO PCT/US1995/015657 patent/WO1996017145A1/en active Application Filing
- 1995-11-30 AU AU46389/96A patent/AU4638996A/en not_active Abandoned
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US2036329A (en) * | 1935-02-07 | 1936-04-07 | Jeremiah D Giles | Colored composition shingle |
US3921358A (en) * | 1969-12-05 | 1975-11-25 | Gaf Corp | Composite shingle |
USD344144S (en) * | 1991-09-18 | 1994-02-08 | Elk Corporation Of Dallas | Laminated shingle |
US5369929A (en) * | 1991-09-18 | 1994-12-06 | Elk Corporation Of Dallas | Laminated roofing shingle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6790307B2 (en) | 2002-01-22 | 2004-09-14 | Owens Corning Fiberglas Technology, Inc. | Shingles with multiple blend drops and method of depositing granules onto a moving substrate |
Also Published As
Publication number | Publication date |
---|---|
AU4638996A (en) | 1996-06-19 |
US5611186A (en) | 1997-03-18 |
CA2205859C (en) | 2003-01-21 |
CA2205859A1 (en) | 1996-06-06 |
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