Abstract: The machine includes a device for spreading a wrapping sheet and an elevator, adapted to move a roll to be wrapped with respect to the wrapping sheet, so as to wrap the wrapping sheet around the roll as a result of the movement between the wrapping sheet and the roll. The machine further includes members adapted to reduce the formation of creases in the wrapping sheet during the movement of the roll with respect to the wrapping sheet.

Abstract: The present disclosure is related to an inflation and sealing device that can include low or non-stick surfaces and bump-off elements to prevent sticking to a holding region proximal to the exit from the inflation and sealing device.

Abstract: Method for making a bundle (10) of the type comprising a plurality of containers (11) positioned along at least one row and wound in a heat-shrunk film (12) due to a heat-treatment effect; said method comprising the steps of: a) arranging a heat-shrinkable film (12) around said containers (11) ordered along at least one row in order to obtain an open tunnel (13) along the transverse direction (20) with respect to the longitudinal direction of advancement (20?), said open tunnel (13) identifying along said transverse direction (20) lateral over-edge portions (14) with respect to said containers (11); b) handling said over-edge portions (14); c) supplying said containers (11) and said heat-shrinkable film (12) to a heat-treatment device, so that said over-edge portions (14) are compacted to said containers for heat-shrinking; in which said step of handling said over-edge portions comprises the step of making said over-edge portions (14) at least partially adhere to said containers (11).

Abstract: The invention relates to a packaging machine with a sealing device, whereby a sealing-tool upper part or sealing-tool lower part can be excited to a vibration (S) approximately parallel to a sealing plane (E).

Abstract: A method and apparatus for sealing a bag made of a polymeric material by applying heat activated layers on different portions of the bag, wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric material; after creasing the bag along a fold line, applying heat at a temperature below the softening point temperature of the polymeric material to activate the first adhesive layer and the second adhesive layer to adhesive states after the bag has been filled with contents; and folding the bag to form an adhesive-to adhesive seal by contact between the heat activated first adhesive layer and the heat activated second adhesive layer.

Abstract: A sealing element for heat sealing packaging material for producing sealed packages of food products which are pourable within a tube of packaging material; sealing element comprises a heater adapted to heat-seal the packaging material at spaced cross sections of tube so as to form a plurality of sealed packages, and a groove which may be engaged by a cutting element carried by a counter sealing element during a cutting operation in which a sealed package is separated from tube; sealing element comprises at least a slot which extends between groove and a first outer wall of sealing element.

Abstract: A pack, and a method and apparatus for producing the pack, comprising an outer pack and an inner pack as a sealed block with an inner blank which encloses the pack contents, the inner pack having, in the region of an inner end wall, an opening aid which can be used a number of times and, in the region of side walls of the inner pack, folding flaps which are connected to one another by thermal sealing. Folding flaps in the region of an inner rear wall of the inner blank are configured as a fin fold and are connected to one another by thermal sealing outside the region of the cigarette group to form a fin seam, the fin seam being arranged at a spacing from regions of folding flaps which cover one another multiple times, in the region of the inner side walls.

Abstract: A sealing machine adapted to support a plurality of different heating/sealing/cutting mechanisms, including tubular heaters and heated cutting blades, is disclosed. The sealing machine utilizes a common interface and mounting system for all side sealers. In addition, in some embodiments, the control system within the sealing machine is adapted to monitor and control the temperature of these various mechanisms automatically so as to create proper seals.

Abstract: A sealing machine and the protecting structure that fit a wide range of sealing conditions and plastic bag materials, and prevent the plastic bag from breaking around the sealing line due to excessive fusion and tension are disclosed. The sealing machine comprises a pair of block members, each block member is disposed with an electrical heating wire, each electrical heating wire is covered with a first protecting belt, and each first protecting belt is covered with a second protecting belt. Each first protecting belt or second protecting belt comprises a plurality of apertures.

Abstract: A bag-making and packaging machine includes a forming mechanism, a vertical sealing mechanism, a transverse sealing mechanism and a receiving member. The forming mechanism is configured to roll a sheet-shaped packaging material into a cylindrical shape to form a cylindrical packaging material. The vertical sealing mechanism is configured and arranged to seal an overlapping portion of the cylindrical packaging material with heat vertically along a direction in which the cylindrical packaging material extends. The receiving member is attached to the forming mechanism in a position facing the vertical sealing mechanism, and configured and arranged to sandwich the overlapping portion together with the vertical sealing mechanism. The receiving member has elasticity with which the receiving member presses the overlapping portion toward the vertical sealing mechanism.

Abstract: A packaging machine comprising a transversal sealing unit (20) of bags, substantially consisting of a plate support (21) which comprises a series of additional supports and kinematic organs for the horizontal and vertical activation of grippers (22, 23), one internal and the other external, for the sealing and cutting of each bag, said machine comprising motors (25, 26), mounted on a fixed support (24), which cause the vertical movement of a main carriage (29) and of a gripper carriage (30) by means respectively of a screw shaft (27) and a screw shaft (28), said main carriage (29) supporting two pairs of horizontal and sliding parallel arms (33, 34), the internal first of which control the horizontal movement of the internal grippers (22) and the second control the horizontal movement of the external grippers (23), while the vertical movement of the grippers to follow the moving bag is achieved by the vertical movement of the main carriage (29).

Abstract: Apparatus for producing heat-shrinkable packaging with an integrated hand-hold with a circuitous path extending from an input loading/unloading zone, a section where the open portion of a heat-shrinkable bag is sealed shut and creating a container in which an object is enclosed, a section in which heat is applied directly to exposed areas of the plastic film of the package for sealing the package, and a section of path enabling the package to cool; trolley apparatus for supporting the package and engaging the circuitous path for movement of the package along the circuitous path; and protrusions positioned along the circuitous path for propelling the device along the designated track route.

Abstract: A system for continuously and configurationally heat soldering layered sheets of plastic, concomitantly with embossing a distinctive pattern across at least one face of the heat soldered seam. The disclosed system has at least one pressing face that includes the mirror image of the pattern to be embossed across a face of the seam, engraved therein. Pressing faces embedding electrical heaters provide for embossing a changeable content across the faces of the seam. Sealing band a pattern engraved across a face of which provides according to the present invention for embossing distinct three-dimensional geometrical shapes across the faces of the heat-soldered seams. A seam that is heat soldered according to the present invention continuously extends across two-dimensional contours of significant widths. Three-dimensional features having distinct sectional shapes protrude off the seam at least towards one direction.

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 machine is described for covering book covers and sealing envelopes or articles of various kind. The machine comprises a fixed lower base suitable for resting a sheet of flexible plastic material for an article to be covered, an upper part movable towards said base and a heatable blade accommodated in the upper part to execute soldering of the overlapped ends of the plastic material sheet along the article edges when the upper part is approached to the lower base. The machine comprises an electric motor, a control member accessible from the outside of the machine for operating the electric motor and movement transmission means acting on the sides of the upper part to induce, at every activation of the electric motor, movement of the upper part towards the lower base for executing the soldering of the ends of the plastic material sheet.

Abstract: The problems associated with the prior art have been overcome by the present invention, which describes a device for spooling selvage as it is cut by a side-sealing machine. The device includes a two part core, which is held together by a friction fitting, such as a keyless bushing. The two parts of the core are shaped so that as the selvage is wound onto the core, it exerts both a radial and axial force on the core. This axial force provides the force needed to separate the two parts of the core when the bushing is removed. Various shaped core parts may be used, and various friction fittings are also envisioned.

Abstract: An induction sealing device for producing packaged pourable food products from heat-seal sheet packaging material. The sealing device has a signal source, an inductor, and an impedance matching circuit connected between the signal source and the inductor. The impedance matching circuit has: two input terminals; a first and second line connected to the input terminals; a variable-capacitance stage having capacitive modules each made up of a capacitive element and a controlled switch; and a control stage to control the controlled switches. Each controlled switch includes: input terminals receiving a respective control signal from the control stage, with one input terminal of each controlled switch connected to the second line; a single two-way controlled switching element having a control terminal connected to the other input terminal of the controlled switch; a first current-conducting terminal connected to the first line, and a second current-conducting terminal connected to the second line.

Abstract: The invention relates to a packaging tube for a pre-determined volume of a biological substance to be stored at a low temperature and to a system including same. The inventive packaging tube comprises a portion (2) for receiving the volume and an annular end portion (3) designed to be more easily crushed by pinching than the receiving portion (2) and to adopt a flattened position in which two lips (30) are in contact with one another. In addition, the annular end portion (3) is designed such that the lips (30) are secured to one another in order to form a seal (31) on the tube. The system includes at least one such tube and a jaw welding device designed to move the annular portion (3) into the flattened position and to weld the lips (30) to one another in order to form the seal (31).

Abstract: A strapping tool for tensioning and securing a strap on or around an object or load includes a motor, a tensioning assembly coupled to the motor, and a weld plate assembly coupled to the motor. The motor is actuated in a first direction to control the tensioning assembly to tension the strap during a tensioning operation and the motor is actuated in a second direction to control the weld plate assembly to weld the strap to itself during a welding operation.

Abstract: The present disclosure relates to a heat sealing apparatus including an insulator sealing head assembly and a container cavity, and a process for manufacturing an insulator sealing head assembly. The insulator seal head assembly is specifically designed to accommodate specialty films, such as multilayer film, used to seal food containers as described herein.

Abstract: A method of sealing a non-wax-coated film pouch contained within an enclosure includes forming an enclosure, positioning a piece of non-wax-coated film within the enclosure to form a floor and side walls of a pouch within the enclosure, dispensing a flowable dairy-based product into the pouch, overlapping portions of the film onto one another to produce a top wall over the dairy-based product, and heat sealing the overlapping portions of the top wall to each other.

Abstract: In a system for discretely packaging liquid or solid medication or other substances comprising a compartmented tray (10) with a perforated sealed sheet (21) attached thereto and individual removable pots (17) to which the sealed sheet is also sealed, a heat sealing machine to cause the sheet (21) to be sealed to the individual pots (17) and to the tray (10) whist simultaneously folding and sealing a front flap (29) of the film (21) to an end face (15) of the tray, comprising a heated plate (30) and a spring loaded pressure plate (32) with a supplementary heated member (36) and adjustable spot- sealing pins (37) pivotally mounted on the machine such that as the heated plate (30) seals the top of the film (21) so the pins (37) fold the front flap (29) of the film (21) down over the end of the tray and seal it thereto. Thus, the film (21) is sealed to the tray on two planes substantially simultaneously.

Abstract: The invention concerns a method for making a container (1) comprising two or more compartments, said method including the following steps: a first step of heat sealing (S1) performed between two sheets (111, 112) so as to form the periphery of the container and performed at a temperature such that said seal (S1) is resistant to a predetermined stress, while providing filling orifices (12), a second step of heat sealing (S2) performed to form at least one separation between the compartments (13) and performed at a second temperature lower than said first temperature and such that said seal (S2) is breakable by said stress, a third step of filling said compartments (13). The invention is characterized in that after said first sealing step, the two sealed sheets (111, 112) are arranged in a mold (2, 2?) whose shape they match under the pressure of a gas.

Abstract: A machine (30) is described for packaging products in a plastic film, comprising at least one longitudinal cutting and welding bar (31) actuated in its up-and-down movement by at least one first piston (34), supported by a first supporting structure (37) of such packaging machine (30); at least one transverse cutting and welding bar (33) independent from the longitudinal cutting and welding bar (31) and actuated in its up-and-down movement by at least one second piston (35) supported by a second supporting structure (39) of such packaging machine (30); and controlling and managing means adapted to control and program the operation of at least the first and the second piston (34, 35).

Abstract: The invention relates to a packaging tube for a pre-determined volume of a biological substance to be stored at a low temperature and to a system including same. The inventive packaging tube comprises a portion (2) for receiving the volume and an annular end portion (3) designed to be more easily crushed by pinching than the receiving portion (2) and to adopt a flattened position in which two lips (30) are in contact with one another. In addition, the annular end portion (3) is designed such that the lips (30) are secured to one another in order to form a seal (31) on the tube. The system includes at least one such tube and a jaw welding device designed to move the annular portion (3) into the flattened position and to weld the lips (30) to one another in order to form the seal (31).

Abstract: A longitudinal sealing mechanism is adapted to seal an overlapped portion of a packaging material formed into a tubular shape with the overlapped portion extending along a conveying direction of the packaging material. The longitudinal sealing mechanism includes a contact section, a heating section and a receiving member. The contact section comes into contact with the overlapped portion of the packaging material. The heating section heats the contact section to perform longitudinal sealing of the overlapped portion to form a longitudinal seal portion. The receiving member abuts against the contact section with the overlapped portion of the packaging material being disposed therebetween. The contact section, the heating section, and the receiving member are arranged such that an amount of heat per unit time applied to the packaging material from the contact section decreases in a direction toward both sides of the longitudinal seal portion.

Abstract: Device for packaging items, in particular confectionery, such as for example lollipops, comprising a packaging conveyor having a series of holders rotating along a movement path for holding each item and its associated packaging sheet securely during conveying, a feed station for feeding the items and the packaging sheets to the packaging conveyor and a discharge station for discharging the items packaged on the conveyor, the packaging conveyor being provided with means for closing the packaging sheet on the respective item and with a series of heat-sealing means co-rotating with the holders for heat-sealing the closed packaging by supplying heat, each of the heat-sealing means comprising a sheet gripper which is provided with a heating body, the device furthermore comprising means for heating each heating body and means for controlling the heating means, the control means being designed for controlling the heating means for each heating body.

Abstract: A device (10) and a method for transverse sealing of a tube (12) of thermoplastic coated packaging material are provided. The tube is formed by sealing of an overlapping joint (14) between two mutually opposing edge sections (26, 28) of a sheet of packaging material. The device comprises first and second opposing jaws (16, 18) having first and second main sealing surfaces (20, 22), respectively. The tube is arranged to be flat-laid and squeezed between these main sealing surfaces to heat the thermoplastic there between and obtain a transverse seal along a main sealing line (24) of the tube. The device is characterized in that it is arranged to penetrate the outer edge section (28) of the overlapping joint along the main sealing line prior to sealing to allow the first main sealing surface (20) to contact the inner edge section (26) of the overlapping joint.

Abstract: Control system and apparatus for controlling current input to an electrical resistance element such as a seal wire. The system and apparatus of the present invention is a closed loop feedback modification to conventional systems, and takes advantage of the inherent expansion of the seal wire as it is heated. The feedback mechanism monitors both the actual current passing through the wire, and the length of the sealing wire, and adjusts the current applied to the wire, responsive to those monitored inputs. The usage of the sealing machine is also monitored and the application and amount of current flowing to the wire is varied based on this usage.

Abstract: An apparatus for sealing longitudinal overlapping edges of tubular thermoplastic film. The apparatus comprises a fixed block (31) for guiding and holding the overlapping edges and a sealing head (6) spaced from the fixed block for directing jets of hot air onto the overlapping edges of the film guided on the fixed block. The sealing head (6) is movably mounted such that the sealing head is positioned a short distance from the film as the film is advancing and the sealing head is withdrawn from the film when the film is stop.

Abstract: In a pressure stamp device for the sealing of films with a slidable stamp element with a stamping surface for applying pressure to a first foil to bond it to a supported second foil, a substantially homogeneous internal temperature distribution is reached by contributing the stamping element with multiple layers so that it includes basically three layers with a heated central layer of a first material with a thermal conductivity and two peripheral layers of a second material flanking it, the surface being formed by one of the peripheral layers to constitute the stamping surface.

Abstract: A heat sealer having a heated platen, a cylinder for reciprocating the platen, a die positioned to be engaged by the platen and a shuttle supporting the die to move the die from a platen-engaging position to a non-engaging position, and a control for controlling the temperature of the platen and the force applied to the platen against the die by the cylinder. The invention also includes a temperature sensor for sensing the surface temperature of the platen and a load sensor for sensing the force applied by the platen to the die. In one embodiment, the temperature sensor is an infrared temperature sensor that reads the surface temperature of the platen and the load sensor is a load cell positioned beneath the die and supporting the die so that the load sensors can measure the direct force applied by the platen against the die. Also, in one embodiment, the infrared sensor is positioned beneath the die so that it can read the platen temperature when the die is displaced to the non-engaging position.

Abstract: A vibrator assembly is for use on a strapping head for a strapping machine configured to position, tension and seal strapping material around a load. The strapping head includes a body, an anvil, and a welding motor having a rotating output shaft. The vibrator assembly includes an eccentric element operably mounted to the welding motor output shaft for rotation therewith. A bearing is disposed about the eccentric element, A housing is houses the eccentric element and bearing at least in part within the housing. The housing defines a cup-shaped well having a first axis length and a second axis length. The first axis length is longer than the second axis length. The first axis length is in a transverse direction, and the second axis length is in an oscillating direction. The bearing is restrained in the oscillating direction. A weld pad is operably connected to the housing by a link.

Abstract: A decoration correction method for a form-and-seal unit for producing sealed packages of a pourable food product from a tube of packaging material fed along a feed path, and having two pairs of jaws movable along the feed path and opened and closed so as to travel, cyclically and alternately with each other, along a form-and-seal portion along which the pairs of jaws are closed and travel integrally with the tube, and along a repositioning portion along which the pairs of jaws open and move with respect to the tube. To make a decoration correction, a nominal trajectory of the jaws is modified along the repositioning portion on the basis of a position error of the tube with respect to a nominal position. A first solution provides for correcting the travel of the jaws by selectively modifying the amplitude of the trajectory; and a second solution provides for correcting the phase of the jaw trajectory.

Abstract: Apparatus for processing continuously fed elongate material, such as forming sealed bags from continuously fed film tubes, uses at least one pair of orbital tools that are cantilevered from tool drives (e.g., crank arms) at one edge of the material, extending transversely across the direction of material travel to engage opposite faces of the material. During material engagement the tools run synchronously with the moving material, but may be returned upstream rapidly to reengage the material for the next processing cycle. In order to achieve a higher throughput an additional pair of tools can be used, cantilevered and driven from the opposite edge of the material, maintaining the same processing (e.g., sealing) time. Through this arrangement the tools on opposing sides can alternate contact with the material and be run independently of each other.

Abstract: A strap path access guide is configured for use in a strapping machine of the type having a feed assembly a chute and a strapping head disposed between the feed assembly and the chute. The strapping machine is configured to receive first and second courses of associated strap material, position, tension and seal the strap material around a load. The strap path access guide is disposed along the feed assembly between a pair of tensioning wheels and the strapping head. The strap path access guide includes a fixed lower guide portion extending between the tensioning wheels and the strapping head. The fixed lower guide portion defines a lower surface of the strap path. A pivotable upper guide portion is pivotable about a pivot that is spaced from and rearwardly beyond the tensioning wheels. The upper guide portion is pivotable between a closed position in which the upper and lower guide portions cooperate with one another to define the strap path and an open position in which the strap path is fully accessible.

Abstract: A strapping head for a strapping machine includes a novel anvil arrangement having an offset connecting link for translating eccentric drive movement to linear oscillations for effecting strapping welds. The strapping head includes a stationary body, an anvil mounted to the body. A sealing member is disposed in a slot in the anvil. The sealing member oscillates in a longitudinal direction and is restrained from movement in a direction transverse to the longitudinal direction. The offset link operably connects the drive and the sealing member. The link has a first element adapted to receive an eccentric movement and a second element adapted to deliver a linear oscillating movement. The first and second elements are operably connected to one another by a connecting pin. The first and second element lie on different planes to permit ready removal of the sealing member from the anvil slot.

Abstract: Apparatus for processing continuously fed elongate material, such as forming sealed bags from continuously fed film tubes, uses at least one pair of orbital tools that are cantilevered from tool drives (e.g., crank arms) at one edge of the material, extending transversely across the direction of material travel to engage opposite faces of the material. During material engagement the tools run synchronously with the moving material, but may be returned upstream rapidly to reengage the material for the next processing cycle. In order to achieve a higher throughput an additional pair of tools can be used, cantilevered and driven from the opposite edge of the material, maintaining the same processing (e.g., sealing) time. Through this arrangement the tools on opposing sides can alternate contact with the material and be run independently of each other.

Abstract: The distal end of a band remains held after a band-holding step. A band-tightening step is performed by operating a manual tightening switch, thereby driving a drive motor and hence rotating a drive roller under manual control. A band-sealing step and a band-feeding step are automatically and sequentially performed after a tightening stop switch is operated, generating a manual-tightening end signal. It is desirable to use a mode-changing switch for switching an operating mode of the apparatus between an automatic mode and a manual mode. The manual tightening switch and the tightening step are effective in the manual mode and are ineffective in the automatic mode.

Abstract: A method and apparatus for filling and sealing of containers, such as sealable valved bags are provided. A sealable valved bag is placed in an upright, erect position, with its sealable valve structure presented to the apparatus, in a slightly open position, amenable to receipt of a filling nozzle of a filling tube. A bag sealing apparatus is placed at the same position along a processing path as a filling apparatus. The filling apparatus and the sealing apparatus are both configured for reciprocable movement into and out of engagement with successive ones of the bags, to enable filling, and subsequent sealing of each of such bags, without intermediate indexing of bags from a filling station to a sealing station.

Abstract: A soft pack for cigarettes comprises a, for example, carton-form wrapper made of paper or similar packaging material. Folding tabs, namely border strips (18 and 19) on the one hand, base tabs, namely longitudinal tabs (24 and 25) on the other hand, and also a band (or revenue stamp) (32) are connected to one another or to the pack by adhesive bonding, use being made of hot-melt adhesive which is applied in the correct position to a material web for producing blanks for the packs, is set and, once the folds or packs have been completed, is reactivated by heat. The relevant folding tabs or band are/is respectively connected to one another or to the pack by pressure.

Abstract: A machine for packing groups of rolls of domestic paper in respective sheets of packing material has folding members, each of which has an active portion, which is brought into contact with a flap of a sheet of packing material, and an adjusting device for adjusting the extension of the active portion in a first direction.

Abstract: A film treatment device has a cutting device (2) for cutting a plastic film web (F). The cutting device (2) has an elongated electric resistor (5) fastened by both ends with fastening elements (3, 4), against which resistor the film web can be pressed and cut via heating of the electric resistor. The cutting device (2) also has a supporting element (6) arranged to support the electric resistor laterally substantially over the entire length of the electric resistor between the fastening elements (3, 4).

Abstract: Apparatus for handling (cigarette) packs, in particular for transporting and sealing the same. (Cigarette) packs (10) coming from a packaging machine or a folding turret (11) are transported in the region of a sealing subassembly (22) by a pocket conveyor (26), laterally arranged sealing jaws (35, 36) sealing sideways-directed end walls during a standstill phase. The packs (10) are fed, via an intermediate conveyor (23), to an accumulating conveyor (24) and, finally, to a pushing-off station (25) for the formation of pack groups (55) which are to be pushed off transversely. By virtue of relative movement, the pack group (55) is separated off from a following line of packs (52).

Abstract: The distal end of a band remains held after a band-holding step. A band-tightening step is performed by operating a manual tightening switch, thereby driving a drive motor and hence rotating a drive roller under manual control. A band-sealing step and a band-feeding step are automatically and sequentially performed after a tightening stop switch is operated, generating a manual-tightening end signal. It is desirable to use a mode-changing switch for switching an operating mode of the apparatus between an automatic mode and a manual mode. The manual tightening switch and the tightening stop switch are effective in the manual mode and are ineffective in the automatic mode.

Abstract: The apparatus for dispensing change and packing cash in a change pack, according to the present invention, comprises: a data input device for inputting change data; a change data divider for calculating an amount of cash corresponding to the change data based on the change data input from the data input device, comparing the calculated amount of cash with a predetermined reference value, and dividing the change data into a plurality of pack data so that the amount of cash corresponding to each divided change data is below the reference value, when the calculated amount of cash exceeds the reference value; and a change pack producer for producing the change pack based on the change data when the change data is not divided, and producing the change pack based on the divided pack data when the change data is divided by the change data divider.

Abstract: An apparatus for wrapping groups of products with plastic film comprises: a platform that rotates about a vertical axis and supports a group of products which, as the platform rotates, are wrapped with the film to form a package; a reel, from which the film is unwound, which rotates about a vertical axis and which can move up and down in such a way as to wrap the group in height as the platform rotates; a unit for gripping and tearing the film mounted outside the profile of the platform and designed to intercept and grip at least one portion of the film located between the group and the reel (4) once the group has been wrapped, in such a way that, acting in conjunction with a partial rotation of the platform, it tears the film at that portion to form an end or trailing free edge of film torn off by the gripping and tearing unit.

Abstract: A device for sealing two plies of plastic film together generally includes an electrically conductive heating element and a rotatable support cylinder having an outer, circumferential surface, the cylinder being positioned in abutting relationship with the heating element and capable of rotating against the heating element, which is in fixed position, along a predetermined contact arc such that less than a complete circumference of the outer surface of the cylinder is in contact with the heating element.

Abstract: Bundles of banknotes are directed singly and in succession along an infeed duct toward a station located at the top of a channel, where they are formed into a block; the channel functions as a guide along which the block is conveyed by means of a companion element, following a predetermined feed path, at the same time as a continuous strip of banding material is fed along a path transverse to this same path. The leading end of the strip is taken up and restrained by a gripper device, and as the block progresses along the channel, the strip is intercepted and forced to wrap around three faces of the block, assuming a U shape, whereupon the leading end is flattened against the remaining face and a further portion of the strip is drawn by a diverter mechanism into overlapping contact with the leading end. The strip is then cut by a knife, leaving a discrete length of which the ends are joined by a heat seal bit to form a band around the block.

Abstract: A strapping head for a strapping machine of the type having a feed assembly and a chute that is configured to position, tension and seal strapping material around a load, includes a body and an anvil mounted to and movable relative to the body. A sealing member is disposed in the anvil for oscillating movement. A drive is operably connected to the sealing member and movable relative to the body to provide oscillating movement to the sealing member. First and second courses of strapping material overlie one another adjacent the sealing member, and oscillation of the sealing member effects a seal of the first and second courses of strapping material to one another.