The present invention relates to a method and a set of devices installed in series in a linked manner for the extraction of extra-virgin argan oil from argan fruit, and of other oleaginous (Barbary fig seed, grapeseed, almond walnut, avocado, cherry, sunflower seed, avocado, etc.) oils, making it possible to reduce the production time while guaranteeing the quality level of the product and a better yield. These oils have various uses and applications: food, cosmetic and therapeutic oils. The invention makes it possible to obtain a quality extra-virgin argan oil without chemical transformation and destruction.