Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1982-05-24
1984-04-03
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
65 29, 65158, 65160, 264 22, 264 402, 264 405, 425140, 425171, 425172, 425174, 425808, B29D 1100
Patent
active
044406991
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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Haisma Jan
Smid Albert
Briody Thomas A.
Lowe James B.
Mayer Robert T.
Tamoshunas Algy
U.S. Philips Corporation
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