Fabrication of hot formed plastics panels consists of preheating of extruded sheets, for drawing, thinning trimming and e.g. piercing

摘要

The fabrication of hot-formed plastics panels comprises feed of plane extruded and trimmed sheets, for preheating and final heating and hot forming. Also claimed is apparatus implementing the process. The apparatus has facilities for drawing, thinning and final trimming prior to piercing, pre-folding and stacking of the products.