FIELD: performing operations.
SUBSTANCE: invention relates to welding of shaped plastic elements. Machine (1) comprises at least one main welding device (3) for welding first shaped element (4) and second shaped element (5), which extend along their respective longitudinal axes and each of which has at least one welded edge portion (6), wherein said main welding device (3) comprises: main means (18, 19) for fixing profiled elements (4, 5); main heating means (20) configured to heat welded edge portions (6); main means (21) for displacement of main locking means (18, 19) configured to bias profiled elements (4, 5) between a mutually removed position and a mutually approaching position; wherein main heating means (20) comprises two heating plates (27) positioned substantially parallel to each other at a predetermined distance so as to confine free volume (V) disposed therebetween, each of which can be brought into contact with corresponding weldable end portion (6).
EFFECT: proposed machine has small dimensions and simple design, as well as reduces time of windows/doors manufacturing.
16 cl, 14 dwg
