Methods of manufacturing roofing products
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United States of America Patent
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-
Aug 30, 2005
Grant Date -
Sep 16, 2004
app pub date -
Mar 12, 2003
filing date -
Mar 12, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods of making roofing products. One such method includes (a) creating a mixture having a filler and a polymer; (b) forming a sheet from the mixture; (c) cooling the sheet; (d) embossing the sheet; (e) forming multiple roofing products from the sheet; and (f) bundling at least some of the roofing products. Steps (a)-(f) are performed using an automated procedure. Another of the methods involves (a) creating composite roofing products using mold cavities; (b) using a robot to transfer some of the roofing products from some of the mold cavities to a conveying system; and (c) stacking together at least two of the roofing products that have different colors or different surface configurations.
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Cited Art Landscape
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