E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 1/12 (2006.01) E04D 1/26 (2006.01) E04D 1/28 (2006.01)
Patent
CA 2270232
A multi-layer shingle is made by cutting an anterior layer of shingle material to have a headlap area and a tab area, and with a plurality of tabs being present in the tab area, separated by slotted openings. The tab area of the anterior layer has a predetermined design that has a repeatability in the longitudinal direction, or from one edge of a shingle to another in the right-to-left direction, which repeatability is a function of the length of the shingle between said left and right edges, as well as being a function of the number of tabs in the shingle's anterior layer, with the repeatability being smaller or greater than the length of the shingle in the longitudinal direction. Thereby, an ornamental appearance is provided that has a random, natural-looking effect when the shingles are laid up on a roof.
Kalkanoglu Husnu M.
Quaranta Joseph
Stahl Kermit E.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Certainteed Corporation
LandOfFree
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