Patent ID: 8495842

Claim:
An elongated structure comprising: a) a central web having a first web surface, a second web surface, a first virtual side, a second virtual side, a first web end and a second web end; said first and second web ends being parallel to each other and spaced apart a distance; said first and second web surfaces being parallel to each other and spaced apart a second distance; said first and second virtual sides being parallel to each other and spaced apart a third distance; said first web surface meeting said first and second virtual sides at right angles; said second web surface meeting said first and second virtual sides at right angles; said first and second web ends meeting said first and second web surfaces and said first and second virtual sides at right angles; b) a first right triangular section at said first virtual side; said first right triangular section having a first right angle, a first adjacent side, a first opposite side, a first right triangular section first end and a first right triangular section second end; said first adjacent side and said first opposite side meeting at said first right angle; said first right triangular section first and second ends being parallel to each other and spaced apart by said distance; and c) a second right triangular section at said second virtual side; said second right triangular section having a second right angle, a second adjacent side, a second opposite side, a second right triangular section first end and a second right triangular section second end; said second adjacent side meeting said second opposite side at said second right angle; said second right triangular section first and second ends being parallel to each other and spaced apart by said distance; said first adjacent side being in line with said second web surface; said first right angle being at a junction of said first adjacent side and said second web surface; said first opposite side projecting away from said first web surface; said second adjacent side being in line with said first web surface; said second right angle being at a junction of said adjacent side of said second adjacent side and said first web surface; said second opposite side projecting away from said web second surface in substantially the opposite direction as said first opposite side; said web surfaces and said ends being planar; all of said first ends being coplanar; all of said second ends being coplanar.