Patent ID: 7134255

Claim:
A machine for filling and closing tubes fed with bottoms open and made of metal or synthetic material, the machine including: a conveying line extending in a horizontal plane, along an endless path and including two straight runs, a fore run and a rear run respectively; two curved portions, a first curved portion and a second curved portion, respectively, joining said fore run and rear run to form said close loop; gripping means arranged equispaced along said conveying line for supporting the tubes overturned with their axis vertical; first conveying means situated at a loading station in said fore straight run of the conveying line for taking said tubes, fed one by one in a selected position by feeding means, and loading them onto said gripping means; cleaning means situated in said fore straight run of the conveying line, downstream of said first conveying means, for cleaning inside said tubes fastened to said gripping means; rotating mans situated in the fore straight run, downstream of said cleaning means, for rotating said tubes on their vertical axis, so as to bring prints made on the tubes to a selected angular position; supply means situated in a position corresponding to said first curved portion of the conveying line, for supplying batched quantities of liquid or paste product into said tubes; first closing means for metallic tubes, situated at the beginning of the rear straight run of the conveying line, downstream of said supply means, for closing open bottoms of said metallic tubes; second closing means for synthetic tubes, situated in said rear straight run, downstream of said first closing means, for closing open bottoms of said synthetic tubes; code applying means, situated in said rear straight run, downstream of said second closing means, for applying a code on said tubes; trimming means, situated in said rear straight run, downstream of said code applying means, for cutting a prefixed portions of said tubes of synthetic material, exceeding a closing line of their bottom; a station for expulsion of rejected articles, which is situated in said second curved portion of the conveying line, downstream of said trimming means, for removing the tubes considered defective from the conveying line; second conveying means, situated at a download station in said second curved portion, downstream of said station for rejecting defective articles, for removing the tubes from the conveying line and placing the removed tubes onto an outlet line; motor means for intermittent operation of said conveying line according to steps equal to the distance between said gripping means; first operating means for operating said first closing means and second operating means for operating said second closing means, said first operating means being activated or deactivated alternately to the second operating means.