Method and apparatus for forming an irregular pattern of granule

Coating processes – Solid particles or fibers applied – Roofing produced

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427188, 427199, 427204, 239518, B05D 112, B05D 136

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active

057765413

ABSTRACT:
In a method of forming an irregular pattern of granules on an asphalt coated sheet, a flow of granules is discharged toward the sheet. The granules are deflected onto the sheet with a deflector having an irregular surface to form a granule deposit having an irregular pattern. In one embodiment of the method, the deflected granules are controlled with a shield. Apparatus for forming an irregular pattern of granules on an asphalt coated sheet includes a granule applicator for discharging a flow of granules, a deflector having an irregular surface for deflecting the granules, and optionally a shield for controlling the granules.

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