Procedure for coating tubular packaging envelopes (2) for food products, in particular casings, with flavoring substances in the form of particles, in particular spices, the tubular packaging envelope (2) being impregnated on the inner side with adhesive, and the desired flavoring substances (6) are applied to the formed adhesive layer, in which the tubular packing envelope (2) coated on the inner side with adhesive is conducted through a first crush zone (5) and another zone of successive crushing (8) in the forward direction, the inner cross-section of the tubular packing envelope being momentarily closed in each of said zones, so that the other crushing zone (8) is higher than the first crushing zone (5), that the tubular packing film in the zone between the two crushing zones (5, 8) by means of a supply of flavoring substances (6) in the form of particles introduced inside the tube and an air cushion (7) is carried in the form of an inflated bag (2b) and that the packaging envelope as it advances drags in its inner side covered with adhesive flavoring substances (6) of the supply .Procedimiento para el recubrimiento de envolturas de embalaje tubulares (2) para productos alimenticios, en particular tripas, con sustancias aromatizantes en forma de partículas, en particular especias, siendo impregnada la envoltura de embalaje tubular (2) por el lado interior con adhesivo, y sobre la capa de adhesivo formada son aplicadas las sustancias aromatizantes (6) deseadas, en el que la envoltura de embalaje tubular (2) recubierta por el lado interior con adhesivo es conducida a través de una primera zona de aplastado (5) y otra zona de aplastado (8) sucesiva en la dirección de avance, siendo en cada una de dichas zonas cerrada momentáneamente la sección transversal interior de la envoltura de embalaje tubular, de manera que la otra zona de aplastado (8) se sitúa más alta que la primera zona de aplastado (5), que la película de embalaje tubular en la zona entre las dos zonas
