发明名称 Method and apparatus for efficient application of prime background shingle granules
摘要 A method and apparatus for making shingles includes discharging blend drop granules onto first sections of a moving sheet, and discharging background granules onto second sections of the sheet where the second sections are different from the first sections.
申请公布号 US2007082126(A1) 申请公布日期 2007.04.12
申请号 US20050248388 申请日期 2005.10.12
申请人 ASCHENBECK DAVID P 发明人 ASCHENBECK DAVID P.
分类号 B05D1/12 主分类号 B05D1/12
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