Intermediate film for laminated glass

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 5/18 (2006.01) B32B 17/10 (2006.01) B32B 27/30 (2006.01) B65H 18/28 (2006.01) C03C 27/12 (2006.01)

Patent

CA 2322820

The present invention has for its object to provide an intermediate film for laminated glass which does not give rise to the trouble of poor appearance in its lamination with glass and can be easily produced without remodeling of the existing production equipment and superior in productivity. The present invention is related to intermediate film for laminated glass which is used in the manufacture of laminated glass by sandwiching it between two facing glass sheets, which comprises a section profile diminishing in thickness in the manner of a curve in the axial direction thereof.

L'invention concerne un film intermédiaire pour verre feuilleté qui est, d'une part, exempt de défauts tels que la présentation défectueuse qui peut avoir lieu lorsque le film est placé en sandwich entre les feuilles de verre, et qui, d'autre part, présente d'excellentes qualités de fabrication car on peut l'obtenir sans modifier les systèmes de fabrication existants. Pour fabriquer du verre feuilleté, on utilise le film intermédiaire qui est placé en sandwich entre deux feuilles opposées de verre plat et caractérisé en ce que son épaisseur en coupe décroît de façon curviligne.

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