Enclosing successive articles, or quantities of material

BPERFORMING OPERATIONS TRANSPORTING B65Thin material handling B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS UNPACKING

B65B9/00Enclosing successive articles, or quantities of material

B65B9/02Enclosing successive articles, or quantities of material between opposed webs B65B9/023Packaging fluent material B65B9/026the webs forming a curtain B65B9/04one or both webs being formed with pockets for the reception of the articles, or of the quantities of material B65B9/042for fluent material B65B9/045for single articles B65B9/06Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it B65B9/067the web advancing continuously B65B9/073the web having intermittent motion B65B9/08in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing B65B9/087the web advancing continuously B65B9/093the web having intermittent motion B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles B65B9/12Subdividing filled tubes to form two or more packages by sealing or securing involving displacement of contents B65B9/13the preformed tubular webs being supplied in a flattened state B65B9/135for palletised loads B65B9/14Devices for distending tubes supplied in the flattened state B65B9/15the preformed tubular webs being stored on filling nozzles B65B9/18Devices for storing tubular webs B65B9/20the webs being formed into tubes in situ around the filling nozzles B65B9/2007Means for stripping or squeezing filled tubes prior to sealing to remove air or products from sealing area B65B9/2014Tube advancing means B65B9/2021combined with longitudinal welding devices B65B9/2028Rollers or belts B65B9/2035Tube guiding means B65B9/2042Means for altering the cross-section of the tube filling opening prior to transversal sealing B65B9/2049Package shaping devices acting on filled tubes prior to sealing the filling opening B65B9/2056Machines for packages of special type or form B65B9/2063The webs being spirally wound around the filling nozzle B65B9/207the web advancing continuously B65B9/213the web having intermittent motion B65B9/22Forming shoulders Tube formers B65B9/24the tubes being formed in situ by extrusion