Verfahren zur Kennzeichnung eines Kunststoffgefaesses,Kunststoffgefaess sowie Vorrichtung zum Ablesen einer Information an einem Kunststoffgefaess

摘要

Small plastics, especially polypropylene, vessel of circular cross-section are marked on outside with rows of surface deformations constituting an information code. The deformations may be in the form of local thinning of wall, slots, opt. with raised edges, or useful deposits applied to the surface.