US2010205898A1PendingUtilityA1

Roofing Shingle

Assignee: BUILDING MATERIALS INVEST CORPPriority: Feb 12, 2004Filed: Feb 19, 2010Published: Aug 19, 2010
Est. expiryFeb 12, 2024(expired)· nominal 20-yr term from priority
Y10T156/1074B32B 5/28B32B 11/02B32B 38/0004B32B 7/12B32B 5/26B32B 11/10B32B 2395/00B32B 38/1825B32B 11/00Y10T83/0448B32B 2419/06B32B 3/06B32B 7/03E04D 2001/005E04D 1/26
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Claims

Abstract

The present invention provides a roof shingle comprising a shingle with at least one layer having a head lap and a butt, the head lap including at least one alignment notch and the butt including at least one corner that corresponds to the alignment notch. Also, the present invention provides a roofing shingle comprising at least one layer formed from a cutting cylinder having a circumference that is a fraction of said roofing shingle length. The present invention also provides a method for manufacturing the inventive shingles and a method for installing the inventive shingles upon a roofing area.

Claims

exact text as granted — not AI-modified
1 - 35 . (canceled) 
   
   
       36 . A method of fabricating a roofing shingle comprising the steps of:
 providing an asphalt coated sheet;   cutting said asphalt coated sheet by rotating a cutting cylinder to produce a shingle;   
     wherein said cutting cylinder's circumference is a fraction of said shingle length. 
   
   
       37 . The method of  claim 36  wherein said shingle further comprises at least one alignment notch and at least one corner corresponding to said at least one alignment notch. 
   
   
       38 . A method of fabricating a two-layer composite shingle comprising the steps of:
 providing an asphalt coated sheet;   cutting said asphalt coated sheet by rotating a cutting cylinder to produce an anterior layer, wherein said cutting cylinder's circumference is a fraction of said two-layer composite shingle length;   cutting another asphalt coated sheet by rotating a second cutting cylinder to produce a posterior layer; and   joining said anterior layer to said posterior layer to form said two-layer composite shingle.   
   
   
       39 . The method of  claim 38  wherein said anterior layer further comprises at least one alignment notch and the posterior layer further comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       40 . A method of fabricating a three-layer composite shingle comprising the steps of:
 providing a first asphalt coated sheet;   cutting said first asphalt coated sheet by rotating a cutting cylinder to produce an anterior layer, wherein said cutting cylinder circumference is a fraction of said three-layer composite shingle length;   cutting a second asphalt coated sheet by rotating a second cutting cylinder to produce a middle layer;   cutting a third asphalt coated sheet by rotating a third cutting cylinder to produce a posterior layer; and   joining said layers to form said three-layer composite shingle.   
   
   
       41 . The method of  claim 40  wherein said anterior layer further comprises at least one alignment notch and the posterior layer comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       42 . The method of  claim 40  wherein said anterior layer further comprises at least one alignment notch and the middle layer comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       43 . The method of  claim 40  wherein said middle layer further comprises at least one alignment notch and the posterior layer comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       44 . The method of  claim 40  wherein said middle layer further comprises an alignment notch and at least one corner corresponding to said at least one alignment notch. 
   
   
       45 . A method of fabricating a three-layer composite shingle comprising the steps of:
 providing a first asphalt coated sheet;   cutting said first asphalt coated sheet by rotating a cutting cylinder to produce an anterior layer;   cutting a second asphalt coated sheet by rotating a second cutting cylinder to produce a middle layer, wherein said cutting cylinder circumference is a fraction of said three-layer composite shingle length;   cutting a third asphalt coated sheet by rotating a third cutting cylinder to produce a posterior layer; and   joining said layers to form said three-layer composite shingle.   
   
   
       46 . The method of  claim 45  wherein said anterior layer further comprises at least one alignment notch and the posterior layer comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       47 . The method of  claim 45  wherein said anterior layer further comprises at least one alignment notch and the middle layer comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       48 . The method of  claim 45  wherein said middle layer further comprises at least one alignment notch and the posterior layer comprises at least one corner corresponding to said at least one alignment notch. 
   
   
       49 . The method of  claim 45  wherein said middle layer further comprises an alignment notch and at least one corner corresponding to said at least one alignment notch. 
   
   
       50 - 52 . (canceled)

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