Method and device for moulding a transparent object
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United States of America Patent
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Apr 3, 1984
Grant Date -
N/A
app pub date -
May 24, 1982
filing date -
Feb 18, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of and a device for high-precision moulding of transparent objects is described. Before the object assumes its final shape, a radiation beam is passed through the moulds of a moulding device and the material contained therein, and the intensity distribution of the radiation spot formed by the beam is compared with a reference, thereby enabling the moulds to be aligned very accurately, so that high-quality products can be manufactured.
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