Method for forming a curved projection screen
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United States of America Patent
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-
Mar 24, 1992
Grant Date -
N/A
app pub date -
Nov 19, 1990
filing date -
Nov 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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