METHOD AND DEVICE FOR HEATING THERMOPLASTIC MATERIAL ELBOWS

摘要

The invention relates to a method and a device for heating at least one blank (1) intended for the manufacture of a container, such as a bottle, made of thermoplastic material, in particular PET, by blowing or drawing. blowing, the blank (1) being disposed between two side walls (3, 6) facing each other and spaced from one another and one of these (3) supporting several sources (5) of radiation arranged one above the other facing the body (8) of the blank (1); closing (at 13) at least partly, beyond and in the vicinity of the bottom (12) of the blank, the gap between the two side walls (3, 6); at least a portion of the radiation emitted beyond the bottom of the blank is reflected (at 14) towards the body (8) of the blank; thus we limit the losses due to the lost radiations. / P