发明名称 METHOD FOR FORMING CURVED PROJECTION SCREEN, AND CURVED PROJECTION SCREEN FORMED BY THE METHOD
摘要 METHOD FOR FORMING CURVED PROJECTION SCREEN, AND CURVED PROJECTION SCREEN FORMED BY THE METHOD A sheet of material for forming the screen is mounted on a cylindrical forming drum and is blow formed, by hot air under pressure, to provide a projection screen. The resulting screen is curved along the width thereof and curved along the length thereof, and is formed from a single, continuous, sheet of material so that the screen is a stand-alone screen.
申请公布号 CA2033681(A1) 申请公布日期 1992.05.20
申请号 CA19912033681 申请日期 1991.01.07
申请人 CAE ELECTRONICS LTD. 发明人 KING, MICHAEL;WARREN, JOHN
分类号 B29C49/00;B29C51/00;G03B21/56;(IPC1-7):G03B21/60 主分类号 B29C49/00
代理机构 代理人
主权项
地址