ES1037162U - Improved spindle. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

"perfected spindle", of the type used in the extrusion of plastics, thermoplastics, rubbers, silicones or any other type of polymer, and specially indicated for the extrusion of transparent pet bottles, essentially characterized by being constituted by a cylindrical axis, in which five differentiated basic sections are observed; the first section denominated for food, is conformed by a spiral (1) which has a sphere of approximately seven steps of the spiral; the second section, intended to make a preplastificate of the matter, is conformed by a second spiral (2) of approximately five steps of enrichment and presents an overlapping (3) with the previous spiral, in which the plastic cord is divided and it returns to join; the third section performed a compression work of the plastic cord, and this constitutes a third spiral (4) of approximately four steps of length, which also presents an overlapping (5) with the previous spiral; after the three first compound seasons in each case for a spiral, a plastification pineapple (6) is provided that constitutes the fourth section of the spindle, equipped with a number of equipped inputs (7) that correspond to other so many outputs (8) equally equipped and positioned intercallably between tickets; finally, the last section is formed by a sector located at an approximate distance of a step of the output of material (11), where a plurality of cams (10) are displazed one with respect to the other in 180 <e>. (Machine-translation by Google Translate, not legally binding)