Method of making a plurality of adjacent light pipe elements
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United States of America Patent
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Jun 17, 1980
Issued Date -
N/A
app pub date -
Sep 13, 1976
filing date -
Nov 28, 1972
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of making a plurality of adjacent light pipe elements, the light pipe elements adapted for use in illuminating a microfiche. The ends of the light pipe elements are spaced apart from each other, to thereby coincide with spaced microimages on a microfiche. The method includes the steps of die-deforming a plastic sheet in the general form of a flat elbow, placing saw-tooth cuts at one end thereof, and subsequently rolling the sheet about an axis.
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