Abstract: An induction heat sealing device for providing a transversal sealing of a tube of packaging material, said induction heat sealing device comprising a main body comprising a first and a second sealing surface arranged to face the packaging material during a sealing state, a recess provided in the main body for receiving a knife during a cutting state, wherein the first and second sealing surface are placed on opposite sides of the recess, and an electric conductor arrangement in the main body, for inducing eddy currents in the packaging material during the sealing state, wherein at least part of the first and second sealing surface are inclined and provided with a first and a second top section, respectively, such that particles in a product inside the tube are pushed away from a sealing band of the tube as the sealing band is pressed towards the first and second top section.

Abstract: A method for producing a packaging body (51) from a web material that comprises paper, wherein the packaging body (51) comprises an indentation (53) for receiving an item to be packaged, the method comprising: pre-tensioning the web material (14); fixing the web material (14) between a holding-down device (32) and a die (31); molding the indentation (53) in the web material (14); and removing the molded indentation (53) from the die (31).

Abstract: The invention relates to a welding unit (1) for the welding of film tubes for a waterless toilet, the welding unit (1) comprising welding jaws (2, 3), the welding jaws (2, 3) comprising welding means covers (4, 5), characterized in that the welding means covers (4, 5) are detachably arranged on the welding jaws (2, 3), in particular are detachably connected to the welding jaws (2, 3).

Abstract: The invention relates to a device which is used to provide cushioning material for packaging purposes. The device comprises a container for storing the cushioning material and a dispensing device for dispensing the cushioning material out of the container. The dispensing device comprises a driven conveyor for conveying the cushioning material along a conveyor path, the conveyor being supported on a movable base which can be moved out of an operating position into a release position and back, said conveyor being moved out of the conveyor path in the release position.

Abstract: An anvil for transversally sealing a tube having a longitudinal seam portion can include a first elongate contact surface and a second elongate contact surface. In some embodiments, the first elongate contact surface includes a first groove and the second elongate contact surface includes a second groove, each one of the first groove and the second groove being adapted to receive, in use, a respective section of the longitudinal seam portion of the tube. The first elongate contact surface can include a first seam interaction portion positioned within the first groove and having a first surface profile. The second elongate contact surface can include a second seam interaction portion positioned within the second groove and having a second surface profile. In some embodiments, the first surface profile differs from the second surface profile.

Abstract: A sealing member comprising a sealing section configured to interact with a sealing band of a tube of packaging material in a sealing stage, and a package volume controlling section configured to interact with a first area next to the sealing band of said tube of packaging material in the sealing stage, wherein said package volume controlling section is provided with a socket for holding an insert.

Abstract: An apparatus for ultrasonic sealing and methods for manufacturing disclosed. Embodiments include a base and a tool profile for sealing a material, for example, a package. The tool profile is supported by the base and defines a seal line forming raised surface extending across a length of the base and having a crest line of uniform height above the base. In at least one embodiment, the raised surface includes a first portion of the length having a first cross-sectional mass and second and third portions of the length having a second cross-sectional mass, with the first cross-sectional mass being less than the second cross-sectional mass. Advantageously, a package to be sealed can be positioned such that its thicker material areas line up with the first portion of the raised surface having reduced mass, which applies less energy to the package than is applied along the larger mass portions.

Abstract: A sealing tool includes an anvil and a horn, at least one of which includes a sealing surface having a gusset sealing section and a zipper sealing section, each configured differently than the other. The gusset sealing section includes a plurality of sealing beads including a gusset section barrier sealing bead having a first height and a protective sealing bead having a second height, the second height being smaller than the first height. The zipper sealing section includes a zipper section barrier sealing bead extending and a tapered section adjacent to the zipper section sealing bead, the tapered section tapering from a larger height adjacent to the zipper section sealing bead to a smaller height as a distance away from the zipper section sealing bead increases.

Abstract: Provided is a medicine dispensing and packing apparatus including a sheet feeding apparatus, a medicine putting unit, a sealing apparatus, and a control unit. The control unit controls the sheet feeding apparatus and the sealing apparatus to pack medicine. A plurality of packets formed by the sheet feeding apparatus and the sealing apparatus include a plurality of medicine-containing packets and a plurality of empty packets in which the medicine is not packed. The control unit controls the sheet feeding apparatus and the sealing apparatus to: form the plurality of empty packets upstream of the plurality of medicine-containing packets in the feeding direction; and form at least one empty packet of the plurality of empty packets such that the lengthwise size thereof is smaller than that of each of the plurality of medicine-containing packets.

Abstract: Provided is a tablet packing method including: a step of conveying a long sheet material that is a material of a packing bag in a longitudinal direction; a step of introducing all of a same kind of tablets of the tablets prescribed to each patient to a packing space formed by the conveyed long sheet material; a step of sealing the long sheet material to form a section in which the packing space provided with the tablets is airtight; and a step of cutting the long sheet material provided with one or a plurality of the sections, in predetermined units in the longitudinal direction.

Abstract: A machine for packaging articles includes a frame; a feeder feeding film to a packaging station to wrap articles. A sealing unit includes at least two sealing elements movable relative to each other between a spaced-apart position and a close-together position where the two sealing elements cooperate to seal the film interposed between them. First and second mechanisms having first and second motors move the sealing unit. The second motor is operatively coupled to at least one of the two sealing elements. The first and/or the second mechanisms include at least one articulated arm, respectively. A control unit is operatively connected to the first motor and to the second motor drive them in proper relationship to move the two sealing elements relative to each other and relative to the frame according to a predetermined law of motion.

Abstract: A film wrapper packaging machine with a main housing, a film roll holder, a film roll, a heated film cutting rod, a film warming housing, a rod temperature sensor, a film warming housing temperature sensor, a film warming heater assembly, a digital LED readout, a rod temperature control setting button, a film warming housing temperature control setting button, a plurality of LED indicator lights, a micro processor and associate digital control circuitry. The microprocessor and digital controls help maintain consistent even temperature of the cutting rod and the film worming housing. The heating element of the cutting rod is protected by a rigid exterior housing that reduces the chance of breakage of the heating element.

Abstract: A sealing mechanism for a waste storage container includes a waste storage container that has a body, a lid and a cartridge adapted to be positioned in the body. The cartridge has a continuous length of storage film therein. The storage film emanates through a gap between a rim and a core tube of the cartridge and is folded down through a core opening in the core tube into an interior space of the body of the waste storage container.

Abstract: This invention is directed to multiple sealing bars to seal articles moving on a conveyor 2 inside a sleeve 4 that forms a continuous film tube 5. Retracting conveyors act to collapse the tube between the articles so that the collapsed portion of the tube can be sealed. The synchronization of the sealing bars with the movement of retracting conveyors allows for a continuous motion machine where the products inside the film do not stop.

Abstract: A product bagging device and method are disclosed for providing a ready-made custom bag of fresh, high-quality tea or other beverage. The device allows users to select from a wide variety of fresh, quality teas or other products. The device then bags the product at the time of selection to ensure freshness, and dispenses the bag into a cup together with a quantity of liquid so that it may be quickly and conveniently carried away, for example from a point-of-sale location or at a user's home.

Abstract: A method and apparatus for manufacturing a non-rectilinear flexible package comprising an in-line process including application and selective sealing of a semi-rigid strip to an inner wall of the package and further including a dual-stage die-cutting technique to remove and cut a non-linear shape into a formed web of film. The semi-rigid strip is sealed to one interior wall of the package but not the other to provide a reinforced opening to the package through which a material can be dispensed. Additionally, the dual stage die-cutting method comprises first cutting and removing a portion of the web material prior to filling the package and again cutting and removing a portion of the web material after filling, resulting in a package having a narrowed neck adjacent the closed reinforced opening at an upper portion of the package and a body of the package that is tapered towards the reinforced opening.

Abstract: In a medicine packaging machine including a medicine accommodating mechanism for accommodating plural medicines, a chute for guiding medicines arbitrarily taken out from the medicine accommodating mechanism to a medicine packaging sheet, and a medicine packaging mechanism having a heater for thermally welding the medicine packaging sheet, the heater is provided with an incision tooth for forming an incision at an edge portion of the medicine packaging sheet at the same time when the medicine packaging sheet filled with the medicines. Furthermore, a cutting mechanism for cutting at a predetermined position a separate package bag formed by thermally welding the medicine packaging sheet is provided.

Abstract: A packaging apparatus including a rotary jaw device, the rotary jaw device comprising an elongate holder, an elongate knife mounted on and projecting outwardly from the elongate holder, the knife having an elongate cutting edge parallel to a plane of the knife, and at least one part of a heat seal device located on the elongate holder on opposed sides of the knife. A packaging method is also disclosed.

Abstract: The film sealing and wrapping machine with a rotary cut and seal jaw is provided. The rotary cut and seal jaw has an internal sliding mechanism which provides for smooth and quiet operation. The rotational speed of the jaw may be varied to increase through put and to provide for a title bag around products. The rotary cut and seal jaw may comprise a seal bar and pressure pad may both be spring loaded to self align the seal bar and pressure pad during the sealing and cutting process. Lastly, a gap defined by a belt disposed upstream and downstream of the seal bar and pressure pad may be mechanically linked to the pressure pad through a control carriage.

Abstract: In a medicine packaging machine including a medicine accommodating mechanism for accommodating plural medicines, a chute for guiding medicines arbitrarily taken out from the medicine accommodating mechanism to a medicine packaging sheet, and a medicine packaging mechanism having a heater for thermally welding the medicine packaging sheet, the heater is provided with an incision tooth for forming an incision at an edge portion of the medicine packaging sheet at the same time when the medicine packaging sheet filled with the medicines. Furthermore, a cutting mechanism for cutting at a predetermined position a separate package bag formed by thermally welding the medicine packaging sheet is provided.

Abstract: A method for packaging products (3), such as candies, the method comprising the steps of positioning the products on a first sheet (1) which is continuously moved in a transport direction, covering the products by a second sheet (2) which is continuously moved in the same transport direction and which is aligned substantially plane-parallel to the first sheet, and sealing together the first and second sheets near the outer edges of the individual products or grouped products by a sealing device (22), wherein the sealing device comprises sealing ribs (12) extending substantially transversely to the transport direction on one side of the moving sheets, wherein the sealing ribs (12) are being moved at the same speed as the sheets and the sealing ribs seal the first and second sheets together in between the moving products.

Abstract: A sealing jaw for producing sealed packages of a food product from a tube of packaging material fed along a path, the jaw having a first work surface which interacts with a second work surface on a counter-jaw to grip the packaging material and form a sealing strip crosswise to the path. One of the jaw and counter-jaw defines an anvil, and the other defines a heating device which interacts with the anvil to form the strip. The first surface has at least two projections elongated along respective first axes, and which, when forming the strip, compress respective areas of the packaging material against the second surface; and at least one cavity which extends along one of the first axes, is interposed between the projections along a second axis crosswise to the first axis, and is located laterally with respect to a central plane of the first work surface.

Abstract: A packaging machine includes a packaging machine main body, a film transport unit, a former and a former insertion guide assembly. The film transport unit is coupled to the packaging main body to transport a film from a first end part of the packaging main body towards a second end part of the packaging main body opposite from the first end part. The former is disposed in the second end part of the packaging main body to form the film transported by the film transport unit into a cylindrical shape and to direct the film downwards. The former insertion guide assembly is configured and arranged to guide the former to a predetermined position in the second end part of the packaging machine main body while the former is rotated from a lateral side of the packaging machine main body when the former is mounted to the packaging machine main body.

Abstract: An apparatus and method for reducing stress marks and pleats on a package. The apparatus includes the use of an elongated filling tube. The dimensions of the elongated filling tube reduce the stress on the film as it is being formed around the filling tube. Further, the dimensions of the elongated filling tube prevent the formation of pleats as the sealing jaws must travel a decreased distance to seal, and the filling tube cross section better resembles the final package.

Abstract: An apparatus for forming flexible containers from a film web, dispensing fluid into the containers, and enclosing the fluid within the containers. The film web comprises a pair of juxtaposed film plies, a closed longitudinal edge at which the plies are joined, and an open longitudinal edge at which the plies are not joined.

Abstract: A form-fill-seal machine includes a vertical sealing mechanism, a first film detection sensor, and a controller. The vertical sealing mechanism has a horn, an anvil, and an ultrasonic transmitter. The vertical sealing mechanism sandwiches a cylindrical film conveyed by a pull-down belt mechanism, by the horn and the anvil, and seals the cylindrical film by applying ultrasonic vibrations to the cylindrical film. The first film detection sensor detects whether the cylindrical film is sandwiched by the horn and the anvil. The controller stops the ultrasonic transmitter in a circumstance in which the first film detection sensor detects that the cylindrical film is not sandwiched by the horn and the anvil.

Abstract: The device for the roll-sealing of sheets has a mating roll and a sealing roll, which presses against the mating roll with a sealing force, so that a molded sheet and a cover sheet can be guided between the sealing roll and the mating roll and sealed to form a sealed composite sheet structure. The surface of the mating roll has recesses to accept blister pockets of the molded sheet and a rippled structure. The elevations formed by the rippled structure comprise contact areas of different sizes.

Abstract: A machine for forming foam cushions comprises a web of film comprising a pair of film panels positioned face to face and having first and second lengthwise edges, and first and second foam dispensing assemblies positioned to dispense foam between the film panels, each foam dispensing assembly comprising first and second valves that dispense first and second foam components, respectively, the valves positioned so that respective foam component streams exiting the valves intersect.

Abstract: A packaging machine (1) comprises a device for the formation of a tube (5) of wrap material into which a succession of products (6) can be inserted; a sealing device (7) being active on said tube (5) to make a succession of seals (23) transverse to the direction of advancement “A” of tube (5) and to define a corresponding succession of pockets (11) for holding the products (6); an air-removing device (13) being active on each pocket (11) in correspondence of a respective aperture (25) to produce a vacuum inside each pocket (11); an additional sealing device (22) operatively located at least in correspondence of the air-removing device (13) for isolating said aperture (25) and hermetically sealing the pocket (11).

Abstract: In a lateral sealing mechanism, a cylindrical film is sandwiched and ultrasonic sealing is performed along a direction that intersects a conveying direction while a first horn and a first anvil, and a second horn and a second anvil rotate. The first horn is mounted on a first rotating body in a state of being coupled to a plurality of vibrating elements. The second horn is mounted on the second rotating body in a state coupled to a plurality of vibrating elements. A securing member grips a horn unit, which includes the horns and the plurality of vibrating elements, on the forward and rearward sides in the direction of rotation of the horn assembly in the vicinity of the node of ultrasonic vibration and secures the horn unit to the first rotating body and the second rotating body, respectively.

Abstract: A form-fill-seal machine has a forming structure, a vertical seal structure, and a clamp fixing mechanism. The forming structure has a support frame, a tube, a sailor collar-shaped unit, and an anvil. The tube is fixed to the support frame. The sailor collar-shaped unit is fixed to the support frame, and wraps a sheet-shaped film around the tube so that two ends thereof overlap. The anvil is fixed to the tube. The vertical seal structure has an oscillator. The oscillator generates ultrasonic waves in order to seal overlapping portions of two ends of the film, being conveyed through the intervening gap with the anvil, in a vertical direction. The clamp fixing mechanism fixes the forming structure and the vertical seal structure in fixed positions relative to one another.

Abstract: A form-fill-seal machine has a tube, a sailor-collar-shaped part, and a vertical sealing mechanism. The sailor-collar-shaped part wraps a sheet-shaped film around the tube so that two edges thereof define overlapping portions. The vertical sealing mechanism ultrasonically seals the overlapping portions of the sheet-shaped film in the vertical direction. The vertical sealing mechanism has an oscillator and a roller. The oscillator generates ultrasonic waves. The roller is disposed downstream of the oscillator along the advancing direction of the film. The roller holds down the film while rotating in the advancing direction of the film after the film has passed the oscillator.

Abstract: A method and apparatus for manufacturing a non-rectilinear flexible package comprising an in-line process including application and selective sealing of a semi-rigid strip to an inner wall of the package and further including a dual-stage die-cutting technique to remove and cut a non-linear shape into a formed web of film. The semi-rigid strip is sealed to one interior wall of the package but not the other to provide a reinforced opening to the package through which a material can be dispensed. Additionally, the dual stage die-cutting method comprises first cutting and removing a portion of the web material prior to filling the package and again cutting and removing a portion of the web material after filling, resulting in a package having a narrowed neck adjacent the closed reinforced opening at an upper portion of the package and a body of the package that is tapered towards the reinforced opening.

Abstract: The invention relates to an apparatus for welding and separating a packaging material (8), comprising an ultrasonic welding apparatus (2) having a sonotrode (3) with at least one sonotrode segment (3a), and an anvil (4) with at least one anvil segment (4a), and a combined cutting and tensioning device (5), wherein the sonotrode (3) can be rotated about a first rotational axis, and wherein the anvil (4) can be rotated about a second rotational axis. The cutting and tensioning device (5) is integrated in the ultrasonic welding apparatus (2), wherein initially, the cutting and tensioning device (5) tensions the fed packaging material (8), cutting it thereafter in a tensioned state with a blade (6).

Abstract: A method and apparatus for manufacturing a non-rectilinear flexible package comprising an in-line process including application and selective sealing of a semi-rigid strip to an inner wall of the package and further including a dual-stage die-cutting technique to remove and cut a non-linear shape into a formed web of film. The semi-rigid strip is sealed to one interior wall of the package but not the other to provide a reinforced opening to the package through which a material can be dispensed. Additionally, the dual stage die-cutting method comprises first cutting and removing a portion of the web material prior to filling the package and again cutting and removing a portion of the web material after filling, resulting in a package having a narrowed neck adjacent the closed reinforced opening at an upper portion of the package and a body of the package that is tapered towards the reinforced opening.

Abstract: The film sealing and wrapping machine with a rotary cut and seal jaw is provided. The rotary cut and seal jaw has an internal sliding mechanism which provides for smooth and quiet operation. The rotational speed of the jaw may be varied to increase through put and to provide for a title bag around products. The rotary cut and seal jaw may comprise a seal bar and pressure pad may both be spring loaded to self align the seal bar and pressure pad during the sealing and cutting process. Lastly, a gap defined by a belt disposed upstream and downstream of the seal bar and pressure pad may be mechanically linked to the pressure pad through a control carriage.

Abstract: A vertical bag-manufacturing and packaging machine includes a feeding unit having an upstream tube portion, an opening/closing mechanism, and a downstream tube portion. The upstream tube portion is configured and arranged to downwardly convey the article. The opening/closing mechanism is disposed on a downstream side of the upstream tube portion with a gap being formed between a downstream end of the upstream tube portion and an upstream end of the opening/closing mechanism, and configured and arranged to selectively open or close to selectively discharge or hold the article discharged by the upstream tube portion. The downstream tube portion is disposed on a downstream side of the opening/closing mechanism, and configured and arranged to downwardly convey the article discharged by the opening/closing mechanism, the downstream tube portion having an internal diameter that is larger than an internal diameter of the upstream tube portion.

Abstract: A packaging method comprises dispensing a material continuously from a roll, forming a plurality of packages from the material, filling each package with contents and sealing each package once filled. A hanging aperture is created for each package, prior to it being formed into the package, the material having been folded or creased in the area in which the aperture is to be created.

Abstract: A packaging and filling machine is capable of easily preforming with the forming flaps by keeping the pressure of the filled liquid food in the tube the positive pressure, capable of preventing the pressure of the liquid food from dropping to negative pressure, even if the pressure of the liquid food decreases due to the up-and-down of the liquid food pressure, and capable of preventing outside atmosphere materials from invading into the tube. A positive pressure keeping means absorbs fluctuation of the pressure of the liquid food in the tube below the pressure flange, and prevents the liquid food pressure from dropping in negative pressure to keep the pressure of the liquid food in the tube below the pressure flange a positive pressure.

Abstract: A method for precise registration of inserts in web formed packaging is provided in which insert placement occurs following the start of the package build. Registration is maintained through the build and product deposit steps by external gripping of the insert.

Abstract: A method and apparatus for manufacturing a non-rectilinear flexible package comprising an in-line process including application and selective sealing of a semi-rigid strip to an inner wall of the package and further including a dual-stage die-cutting technique to remove and cut a non-linear shape into a formed web of film. The semi-rigid strip is sealed to one interior wall of the package but not the other to provide a reinforced opening to the package through which a material can be dispensed. Additionally, the dual stage die-cutting method comprises first cutting and removing a portion of the web material prior to filling the package and again cutting and removing a portion of the web material after filling, resulting in a package having a narrowed neck adjacent the closed reinforced opening at an upper portion of the package and a body of the package that is tapered towards the reinforced opening.

Abstract: A packaging machine for producing sealed packages from a web of packaging material having a surface of uneven thickness comprises a pressure roller to press the surface against a corresponding forming roller for sealing the package. The pressure roller comprises an elastically deformable body; and a core of greater rigidity housed therein, with the core comprising a first end surface cooperating with the body, and a radially inner second end surface. The core includes a first portion and a second portion, with the radial distance between the first and second surface at the first portion being greater than at the second portion.

Abstract: The invention relates to a vertical bagging machine (1), equipped with a first linear motor (18) for displacing a transversal seal unit (10) in a first direction, preferably vertically (20), and a second linear motor (19) for executing a displacement in a second direction, preferably horizontally (21), in order to displace a heat-sealing jaw (11) in the latter direction or to cause two heat-sealing jaws (11, 12) to be displaced against one another by means of a gear (22). The linear motors (18, 19) are interconnected (23) by means of a cross formation. Each linear motor (18, 19) consists of a primary part (24, 26) and a secondary part (25, 27).

Abstract: A device and a method are provided for packaging flat objects into a packaging material web (110). The device includes a conveyor device (30) with an essentially plane conveyor surface (34) which is capable of conveying the flat objects (100) one after the other and distanced to one another in a conveyor direction (F). Moreover, at least one processing tool (10) with a processing-active zone (12) is present. The processing tool (10) is capable of processing the packaging material web (110) in the region between two objects (100) in a processing region (B) of the device (1). Thereby, the packaging material web (110) covers the objects (100) on both sides. The processing tool (10) is movable for processing at least perpendicularly to the conveyor surface (34).

Abstract: The present invention has an object to provide a technology capable of reducing consumption current of a bag making and packaging machine making a bag and packaging a product with the bag. In order to accomplish the object, the bag making and packaging machine is provided with a seal jaw sealing a film to be packaging material, a heater part (201F) heating the seal jaw, and a heater driving part (260) driving the heater part (201F). Further, the bag making and packaging machine is provided with a motor driving part (270) to be a regenerative current supplying part supplying regenerative current generated in a motor to the heater part (201F).

Abstract: The present invention concerns a machine and a method for converting a web of preformed pouches to dunnage units. In one exemplary embodiment the machine includes a drive, a blower, and a sealing mechanism. The drive is arranged to move the web of preformed pouches along a path of travel through the machine. The blower is positioned with respect to the path of travel, to inflate the preformed pouches. The sealing mechanism includes a heating element support and a heating element. The heating element support includes a sealing side and a belt preheating side. The heating element is disposed around at least a portion of the heating side and at least a portion of the belt preheating side. The drive includes a belt that is disposed around the heating element. The sealing mechanism is positioned with respect to the path of travel, to provide seals to the pouches to form inflated dunnage units.

Abstract: The present invention relates to a process for the formation and the filling of bags, applicable to tubular mesh bags closed at their two ends and provided with a handle formed by a plastic strip attaching said ends, comprising the operations of constricting a mesh section of a portion of mesh previously drawn from a storage and attaching it to a section of the strip of a portion of strip previously drawn from its storage, determining at least one securing area between both sections of the mesh and of the first strip, to make a first closed end of the bag to be formed, still empty, and a second end of the immediately previous bag still in formation, already filled; and of transversely cutting both attached sections of the mesh and of the first strip so that the first closed end is gripped by the first strip during the entire following process of filling and formation of said bag, including operations of drawing new portions of mesh and of strip from the corresponding storages and of filling of the bag before

Abstract: A vertical form, fill and seal machine of the type that includes at least one fill chamber for forming liquid-filled pouches of impermeable material. A heating element is fixed to a slidable sealing head. The heating element comprises a ribbon of metallic material, and an insulative base having a slot for receiving the metallic ribbon. The sealing head faces a backstop. The metallic ribbon is held at and above the upper edge of a pedestal formed in the insulative base. The insulative base is formed of mating base elements secured to one another by at least one fastener.

Abstract: A resilient backing member for use in cooperation with an impulse heating element comprises a resilient body having a longitudinal shoulder surface and a longitudinal intermittent raised edge protruding from the shoulder surface. The resilient backing member is for use in cooperation with an impulse heating element for sealing layers of thermoplastic film together and for either forming a sealed portion on the film, a rupturable portion on the film or severing the film. Accordingly, the resilient backing member can be used on a pouch filling machine to produce a string of sealed pouches connected by a rupturable portion or a sealed portion, and filled with flowable material without the use of a separate cutting blade.

Abstract: Method for the packaging of articles with a plastic film which is based on the use of a packaging machine equipped with transverse welding devices arranged along a longitudinal direction where the method involves the steps of (a) positioning the articles on a conveyor belt with pushers activated by a motor; (b) distancing the articles from one another to provide a constant space or pitch; (c) feeding the plastic film, in the direction of the conveyor belt; (d) longitudinally welding the film in the direction articles on the conveyor belt; (e) activating the motor group situated downstream with respect to the welding device to weld and separate the film in the space between articles; and (f) activating the motor group of the welding device situated upstream with respect to another welding device to weld and separate the film in the space between the articles.