Verfahren und Anlage zur Herstellung einer kontinuierlichen Kunststoff-Folie durch Giessen im flüssigen Zustand auf einen beweglichen aus sich gegenüberliegenden Glasscheiben bestehenden Träger.

摘要

The invention relates to a process for producing a continuous plastic sheet (2) comprising the formation of at least one layer cast from the liquid state of this material or of a reactional mixture of reactive components onto a moving support comprising glass plates (1) disposed end to end and driven by a conveying means, followed by solidification of the layer formed on the surface of the glass plates and the pulling-off of the solidified sheet, bands (3) of flexible material being inserted between the contiguous glass plates. The contiguous edges of the glass plates are covered, before casting, with a strip (4), made from a material which does not adhere to glass, which overlaps of the edge of the intercalary band or bands. After having been positioned on the glass plates, the strip is temporarily made to adhere to these plates, upstream from the casting from the liquid state, by electrostatically charging with opposite charges, on the one hand, the glass plates and, on the other hand, the said strip.