Process and device for production of plastic sheets of good opti

Details Process and device for production of plastic sheets of good opti Process and device for production of plastic sheets of good opti

1984-05-25

1986-08-12

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

264316, 425224, B29D 701

Patent

active

046055282

ABSTRACT:
This invention relates to a process and a device for production of plastic sheets of high optical quality, used particularly in laminated glasses.
According to the invention, a liquid mass is applied to a plane mobile support consisting of a horizontally taut flexible strip, this flexible strip passing over two horizontal and longitudinal rectilinear supports, contact of each with the flexible strip being limited approximately to a generatrix, these two supports extending over the entire length useful for production and being placed along the side edges of the strip, this latter being stretched crosswise on these two rectilinear supports like a drumhead.

REFERENCES:
patent: 3600490 (1971-08-01), Billingsley et al.
patent: 4041120 (1977-08-01), Oshima et al.
patent: 4047917 (1977-09-01), Heymes et al.
patent: 4389357 (1983-06-01), Chu et al.

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