Method and installation for extruding a plastic material of the type based on butyl rubber and the application for the manufacture of multiple glazings

摘要

Placing of a plastic beading of the butyl rubber-based type on the periphery of a glass sheet intended to form part of the composition of a multiple glazing. It proposes to deposit the beading with the aid of an extrusion unit comprising a nozzle, the glass sheet and the nozzle both being capable of being driven in motions which are reduced to translations, these translations of the glass sheet, on the one hand, and of the nozzle, on the other hand, taking place in different directions. The invention applies to the manufacture of multiple glazings of large size. IMAGE