B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/12 (2006.01) B29C 43/22 (2006.01) B29C 47/18 (2006.01) B29C 69/02 (2006.01) B29C 70/58 (2006.01) C08J 5/18 (2006.01) C08L 23/06 (2006.01) D06N 5/00 (2006.01) E04D 1/20 (2006.01)
Patent
CA 2441446
A method of making a roofing product such as a shingle is provided. One such method includes creating a mixture having at least a polymer and a filler, forming a sheet from the mixture, cooling the sheet, embossing the sheet, forming multiple roofing products from the sheet and bundling at least some of the roofing products together. This method is performed using an automated procedure. Another method of the present invention involves creating a composite roofing product using mold cavities, using a robot to transfer some of the roofing products from some of the mold cavities to a conveying system, and stacking together at least two of the roofing products that have different colors of different surface configurations.
Carlson Dennis Dean
Jolitz Randal J.
Ziulkowski Charles Doyle
Epoch Composite Products Inc.
Smart & Biggar
Tamko Building Products Inc.
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