Method and device for inspecting rod-shaped products in cigarette industry

• Main Authors: CZARNOTTA MICHAEL, BREITHAUPT KARL-HEINZ
• Format: Patent
• Language: Chinese; English
• Published: 30.09.2022
• Subjects: CIGARETTES; CIGARS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; HUMAN NECESSITIES; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MACHINES FOR MAKING CIGARS OR CIGARETTES; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES; MEASURING; MOUTHPIECES FOR CIGARS OR CIGARETTES; PACKING; PERFORMING OPERATIONS; PHYSICS; SMOKERS' REQUISITES; STORING; TESTING; TOBACCO; TOBACCO SMOKE FILTERS; TRANSPORTING; UNPACKING

The invention relates to a method and a device for inspecting rod-shaped products (11), in particular tobacco rods, of the cigarette industry, each comprising an outer circumferential surface (22), in particular in the form of a cylinder, and two end surfaces (23, 24), which are arranged at opposite ends, in particular formed by two filter cartridges of preferably different lengths, in particular visually identical, wherein the rod-shaped product (11) has smokable material, in particular tobacco, between two end faces (23, 24), preferably in an eccentrically arranged section, comprising the following steps: a) irradiating an outer circumferential surface (22) of at least one rod-shaped product (11) to be inspected with inspection light, the rod-shaped product (11) has an outer peripheral surface (22) and an end surface (23, 24), such that the inspection light passes through the outer peripheral surface (22) at least partially into the rod-shaped product (11) and at least partially exits through the end surfac