METHOD OF MAKING A MAT FOR A VEHICLE Russian patent published in 2019 - IPC B29C48/00 B29C51/10 B29B9/16 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to a method of making a mat for a vehicle. Pellets of thermoplastic elastomer (TPT) and processing additives are loaded into a mixer, after mixing of which the obtained mixture is loaded into an extruder hopper by means of vacuum and dried. After drying mixture is subjected to extrusion under temperature and pressure, which is created by barrier screw. Screw has alternating two pressure zones and two mixing zones. Obtained melt is continuously discharged from the extruder's plane-slit head in the form of a sheet, which is cut off after reaching the size, besides, the next outgoing sheets are also cut off. All sheets are laid on matrices, each of which consists of in-series connected sheets made of caprolon (polyamide), aluminum, steel and plywood. Then vacuum is molded under pressure, after which molded article is cut along matrix contour, cooled and separated from matrix in form of mat.

EFFECT: technical result consists in improvement of technology of manufacturing mat for vehicle due to stages of mixing and drying, as well as longer service life and higher quality of finished product.

9 cl, 2 dwg