发明名称 METHOD FOR MANUFACTURING MASKS TO BE USED FOR ORNAMENTING GLASS ARTICLES IN AN ABRASIVE BLASTING PROCESS
摘要 A method of manufacturing masks to be used for ornamenting a curved surface of a glass article in an abrasive blasting process, includes forming a laminate comprising a metal backing plate and plastic sheet to the curve of the article to be ornamented. After the mask has been curved, the desired design is cut, preferably with the mask openings diverging outwardly from the surface of the mask which is adapted to contact the glass article.
申请公布号 US3702496(A) 申请公布日期 1972.11.14
申请号 USD3702496 申请日期 1970.08.24
申请人 CHARLES EDWARD STEVENS;JOHN M. EXTON;EXTON DEV. CO. 发明人 CHARLES EDWARD STEVENS
分类号 B24C1/04;B29C69/00;(IPC1-7):B23K31/02 主分类号 B24C1/04
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