METHOD AND MANUFACTURING MACHINE FOR THE PRODUCTION OF CAPSULES FOR SMOKING ARTICLES, IN PARTICULAR FOR FILTERS, DESIGNED TO CONTAIN A LIQUID TO BE USED IN THE COOLING OF THE SMOKE

摘要

A method and a manufacturing machine (10) for the production of capsules (1) for smoking articles, in particular for filters, designed to contain a liquid, in particular water, to be used in the cooling of the smoke; wherein each capsule (1) comprises a cup-shaped body (2), which is defined by a side wall (4) and, at one end, by a bottom wall (5); and a collar defined by a portion of the side wall (4), at the end opposite the bottom wall (5); the manufacturing machine (10) is provided with a moulding station (S1) for the cup-shaped bodies (2); a first control station (S2), which is arranged downstream of the moulding station (S1); a transfer station (S3) for the cup-shaped bodies (2), which is arranged downstream of the first control station (S2), in which the cup-shaped bodies (2) are translated along their longitudinal axis (3) and a second control station (S4) arranged downstream of the transfer station (S3); wherein the first and the second control stations (S2, S4) are designed to check the conformity of the collar or of the terminal end of the side wall (4) opposite the collar.