System for manufacturing a granule covered roofing shingle...

Details System for manufacturing a granule covered roofing shingle... System for manufacturing a granule covered roofing shingle...

2005-10-06

2010-10-26

Parker, Frederick J (Department: 1715)

Coating processes

Solid particles or fibers applied

Roofing produced

C427S186000

Reexamination Certificate

active

07820237

ABSTRACT:
A system for manufacturing a granule covered roofing shingle includes establishing at least two sources of granules. A standardized process for manufacturing granules having a standardized appearance is then established, wherein a color of the granules from one of the sources of granules is substantially identical to the color of the granules from the others of the sources of granules, thereby defining at least one standardized granule color. Granules of the standardized granule color are then manufactured according to the standardized process. The manufactured granules are transported to at least one shingle manufacturing facility, and granule covered roofing shingles are then manufactured using the manufactured granules of the standardized granule color.

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