发明名称 |
Spin and spray coating process for curved surfaces |
摘要 |
Described is an process for producing uniform coatings on circular substrates that reduces the amount of coating required. The improved process includes the steps of applying the liquid coating material through a single opening of a dispenser having certain characteristics, in a pattern onto the center of a spinning substrate, and then radially moving the dispenser opening near to the edge of the substrate while maintaining the dispenser opening at a predetermined distance from the substrate surface for substantially the entire radius of the substrate providing uniform coverage. Also described are products produced by the process that are substantially free of cosmetic defects and may be photochromic.
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申请公布号 |
US6352747(B1) |
申请公布日期 |
2002.03.05 |
申请号 |
US20000515661 |
申请日期 |
2000.02.29 |
申请人 |
PPG INDUSTRIES OHIO, INC. |
发明人 |
BLACKBURN WILLIAM P.;BOWLES, III ROBERT J.;LEVESQUE MICHAEL B.;MALDONADO ERNESTO |
分类号 |
B05D1/00;G02B1/10;(IPC1-7):B05D1/02;B05D5/06 |
主分类号 |
B05D1/00 |
代理机构 |
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代理人 |
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地址 |
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