Abstract: Air- or gas-holding fabrics and improvements to welded seam tapes used to join multiple fabric panels and/or to join accessories to one or more fabric panels. Specifically disclosed is a joining system and method for securing air- or gas-holding panels to one another and/or to joining accessories to one or more panels without causing damage due to overheating the seam area. This disclosure has been found particularly useful with improved lightweight fabrics that would otherwise be more susceptible to damage during welding processes. The disclosed seam tapes and accessory fabrics find particular use in connection with inflatable devices, but may be used in other applications. This disclosure relates to a dedicated seam tape or dedicated accessory fabric that (a) utilizes specialized coatings with a lower melt temperature compared to coatings that are used on inflatable fabric material and/or (b) is manufactured from material that has not been treated to have substantial reflective properties.

Abstract: A protective cover set for a medical probe that includes a joint that seals both a moisture resistant probe cover and a surrounding wrapper that provides a barrier against microbial intrusion into the space between the outer wrapper and the probe cover. The sealed joint fixes the probe cover in place in relation to the outer wrapper. In some examples, the sealed joint secures a prefabricated probe cover with a three-dimensional non-planar shape in relation to the outer wrapper.

Abstract: A protective packaging formation device is provided herein. The device includes an inflation assembly having a fluid conduit that directs fluid between overlapping plies of a polymeric web. The device also includes a driving mechanism that drives the film in a downstream direction. The device also includes a sealing mechanism that includes a thin film heater that heats the plies to create a longitudinal seal that seals the plies of film together. The driving mechanism drives the web such that the web slides across the heating assembly in a downstream direction to trap fluid between the plies.

Abstract: The invention relates to a device comprising a first fixing element, a further fixing element and a folded planar composite; wherein the first fixing element comprises a first fixing surface and the further fixing element comprises a further fixing surface; wherein the folded planar composite is at least partially fixed between the first fixing surface and the further fixing surface; wherein the folded planar composite comprises a first composite region; wherein the first composite region comprises a first layer sequence comprising a first composite layer comprising a first carrier layer, a second composite layer comprising a second carrier layer, a third composite layer comprising a third carrier layer and a fourth composite layer comprising a fourth carrier layer; wherein in the first composite region the second composite layer is joined to the third composite layer and the third composite layer is joined to the fourth composite layer; wherein in the first composite region the third carrier layer is char

Abstract: An article (101) is provided which comprises a body (103) having an interior volume (113), and a collapsible inlet (105) which is in open communication with said interior volume and which is movable from a first position in which it extends from said body, to a second position in which it extends into said internal volume.

Abstract: Device (10) for ultrasonic welding of a flexible, notably tubular, structure (F), to be conformed into sachets, this device including at least two airgaps each defined between a sonotrode (20) and an anvil (30,40) carried by respective support structures (28,54) the distance between which varies between a close together welding position and a spaced apart flexible structure movement position, in which airgaps the flexible structure to be welded is intended to be received to produce at least two weld lines, wherein for each airgap an anvil and/or a sonotrode both associated with this airgap is at least partially mobile relative to a support structure (54) of this anvil or sonotrode.

Abstract: Method and apparatus for making a plastic bag or pouch wherein a plastic web is moved in a longitudinal direction and a tape made from an elongated plastic film is fed to the web. The tape is made of a pair of elongated attachment lanes of complementary fastening elements sealed to the film to function as attachable-detachable closures. The lanes extend parallel and are spaced apart. A perforation line is formed in the film between lanes, and a flange is defined on one side of only one of said lanes. The lanes are separated and pairs of lengths are cut off said lanes. The pairs of cut off lengths are sealed on a diagonal to the moving web in different directions to form V-shaped closures with the lane having the flange on one side thereof sealed to the web by the flange only. Bags are formed from the moving web. An intermediate product is described consisting of a narrow substrate having V-shaped closures spaced longitudinally for placement on a moving web in a bag making machine.

Abstract: Systems, devices, and methods are described for providing a bag having an internally reinforced header. A reinforcing material is combined with a bag material to provide strength to the reinforced header. The reinforcing material and the bag material are aligned during manufacturing such that the reinforcing material is positioned in a header area of a bag formed by folding the bag material. A seal that passes through both the reinforcing material and the bag material retains the reinforcing material within the bag header. A bag handle may then be punched into the header through the bag material and the reinforcing material.

Abstract: A plastic bag body having a preventive function against unfairly unsealing and having a plastic zipper with a slider equipped therewith is provided by which hermetic sealing can be kept, and which can be produced mechanically and successively at an excellent productivity. In a bag body comprising a bag made of two plastic films, both ends of which are welded, and having plastic zipper with a slider at an opened portion of the bag, a cover film rides astride and covers top portions of the plastic slider, under a condition wherein the plastic zipper is closed, and of the plastic zipper, except for a welded portion located opposite to the slider of the bag body, at least one lower end of the cover film extending for full width of the bag body, and the plastic film, the lower ends of the cover film and the flange portions are welded together.

Abstract: A collecting bag for human body wastes having a barrier film (20a, 20b) covered by a comfort layer (15) attached to the barrier film in an attachment zone wherein the comfort layer is a textile material that is attached to said barrier film in one or more zones of attachment such that not all of the fibre filaments of the textile material in the attachment zone(s) are embedded in the barrier film material.

Abstract: A film bag has a pair of longitudinally extending film face panels having longitudinal edges and first and second folded film gussets having longitudinal edges welded at longitudinal seams to respective longitudinal edges of the face panels and formed with two spaced throughgoing cuts forming a handle loop. A separate film inner liner panel lies against an inner face of the first gusset, extends a full transverse width of the first gusset, and is fixed at the longitudinal welds of the first gusset to the front panels so that the liner prevents leakage from the bag through the cuts.

Abstract: Implementations described herein include films with maintained or decreased light transmittance despite a reduction in gauge. In particular, one or more implementations include a multi-layer film with each layer having differing opacity agents. The combination of the two different opacity agents in two different layers can have a synergistic effect that provide decreased light transmittance. Indeed, in one or more embodiments a multi-layer film with differing opacity agents in each layer has a decreased light transmittance despite a reduction in gauge and opacity agents.

Abstract: A station (S) of application of segments of opening/closing strip on plastic web films suitable to form bags, comprising punching means (U14, U22) of predefined areas of the plastic film for the access to areas of the segments through the film, and welding means (U15, U23) of the strip segments at intervals on the plastic film, wherein the punching means (U14, U22) and the welding means (U15, U23) are positioned along the flow path of the film to act in sequence on the same area in order to, respectively, punch the film and weld the segments in the predetermined points of the plastic film.

Abstract: Methods for creating multi-layered incrementally-stretched and incrementally-laminated bags with increased or maintained strength are described herein. An increased level of strength is achieved by bonding adjacent layers of a multi-layer film together in a manner that the bond strength of the laminated layers is less than a strength of a weakest tear resistance of the individual first and second film layers. The inventors have surprisingly found that such a configuration of light bonding provides increased and unexpected strength properties to the multi-layer film as compared to a monolayer film of equal thickness or a multi-layer film in which the plurality of layers are tightly bonded together.

Abstract: Plastic sheet can be heat-sealed to form a water-tight envelope having an open top. A water-tight frangible container can be loaded into the envelope through the open top. The water-tight frangible container can contain a predetermined amount of water. A predetermined amount of urea can be loaded into the envelope through the open top. Separate from the loading of the urea, a predetermined amount of ammonium chloride can be loaded into the envelope through the open top. The relative proportions of the predetermined amount of urea, the predetermined amount of ammonium chloride, and the predetermined amount of water can be selected to provide a target cooling effect to a portion of a body to which cooling is to be applied. The open top of the envelope can be heat-sealed to form a water-tight outer pack.

Abstract: An air packaging device includes two layers of thermoplastic films, which form a sealable space where air is filled after first and second steps of heat-sealing process. The sealable space includes a number of independent sealed air chambers and a main air passage channel. The main channel has an air inlet. Each sealed air chamber is connected with the main channel by at least one one-way valve each including at least two layers of plastic films. At least two one-way valves are installed inside of the air chambers. This air packaging device increases the cushioning protection where the protection is most needed, but can reduce air chamber dimension at less important locations in order to reduce the volumetric size and, hence, reduce the shipping cost.

Abstract: A trifold side seamed film produce bag includes a front wall and a back wall, first and second side edges sealed together and a seamless bag bottom. The bag is joined at the side edges to additional bags by a perforation. The bag is corona treated on at least one wall and promotional material is printed on the treated surface. The bags are folded to one third of their height to fit compact bag roll dispensers. The bags are folded in a Z-fold or C-fold configuration. The method includes manufacturing the bags and winding them onto cores or forming the bags into coreless rolls. An apparatus for forming the side seamed bags includes an extruder, a tubing flattener, a perforator, a sealer, a corona treater, a printer and a slitter. The treated, printed bags may be stored on rolls for later slitting into two bag streams and folding into thirds.

Abstract: A multi-compartment bag having at least two compartments of polymeric material, the subsequent compartments being monolithic with the first compartment having an interconnection of two spaced seal strips. There is also provided a method of making a multi-compartment bag.

Abstract: A polyhedron disposable container formed from flexible weldable plastic film is provided. The container has opposite ends and an opening that accommodates a port at the center of at least one of such ends. The container also has multiple sides and an opening on at least one such side located midway between the edges of such side.

Abstract: The gusset bag includes an opposing pair of flat surface sections and an opposing pair of side surface sections folded inward. Moreover, the pair of flat surface sections and the pair of side surface sections includes a first film material that forms a first flat surface section and at least a first side surface section, and a second film material that forms the other section thereof Furthermore, a side edge seal section is formed in which a side edge section of the first film material and a side edge section of the second film material are sealed.

Abstract: A drum liner (10) is disclosed which is configured to be used with a drum (11) having a side wall (14) terminating with a top edge (15), a removable lid (16) having a lip (19), and crimp ring (17). The liner has a bottom wall (24), a top rim (25), and a cylindrical side wall (26) made of flexible material. The liner side wall has an exterior surface (27) and an interior surface (28). The liner top rim has a positioning flange (29) extending to an attachment lip (30) configured to fit about the drum top edge and within the drum lid lip. The liner side wall is heat sealed to the top rim positioning flange. The bottom wall is also heat sealed to the bottom margin of the liner side wall.

Abstract: An improved liner having an elastic securing mechanism that may be placed in a vessel to form and maintain a barrier between the vessel and objects contained therein. The liner includes an elastic securing band secured around the perimeter of the open top end of the liner using a plurality of spaced-apart tack welds or rivets. In one embodiment, the liner material is folded over the elastic and ultrasonic sealing is used to burn through the elastic and seal the folded liner material to itself thereby securing the elastic to the liner. In use, the liner is placed within a receptacle of the vessel and the open top end is folded outward and downward over a rim of the vessel such that the elastic engages an outside of the vessel to form a secure and snug fit of the liner to the vessel. Advantageously, a failure to a portion of the elastic is limited to that portion of the elastic only and propagation of the failure is limited by the rivets.

Abstract: A device for sealing a used feminine hygiene article is provided with a trash can; a sealing mechanism on top of the trash can and including a frame, a power supply, sensors disposed on the frame, a controller, a motor, two opposite rollers each including two gears on both ends respectively, the gears of one roller being meshed with the gears of an other roller, and a gear member meshed with one gear of one roller and operatively connected to the motor, and two rolls of thermoplastic rotatably supported by the frame and disposed above both the rollers wherein a gap is formed between the rollers, and open ends of the thermoplastics of the rolls of thermoplastic are pushed into the gap to engage each other; and a cover on top of the sealing mechanism and including a releasable ring member having a channel above the gap.

Abstract: A method of forming a package includes depositing polyvinylidene chloride on a substrate, wherein the substrate comprises paper, drying the polyvinylidene chloride on the substrate to form a packaging material including less than 5 wt % water, applying water to the packaging material so that the packaging material includes at least about 8 wt % water, and bringing a first portion of the polyvinylidene chloride of the packaging material into contact with a second portion of the polyvinylidene chloride of the packaging material in the presence of heat to form a seal. The at least about 8 wt % water is operative for increasing a hot tack of the seal relative to the packaging material including less than 5 wt % water.

Abstract: A package including at least a first and a second side wall bonded to each other along at least one seam line forming a bond. The bond is peelable along at least a portion of the seam line. A first grip portion is formed on the first side wall, formed by a first folded-over portion of the first side wall folded along a first fold line and a second fold line. The first folded-over portion includes three layers of the first side wall, and all layers in the first folded-over portion are included in the bond.

Abstract: A thin sealing device which is resistant to damage caused by foreign material is disclosed. The thin sealing device has an internal heating element. The thin sealing device has a blunt edge, which has a radius smaller than that of the heating element. A thermocouple is placed in a cavity near this blunt edge to monitor the temperature at the point of sealing. In some embodiments, the thin sealing device is pivotably attached at its leading (upstream) edge. The trailing (downstream) edge of the thin sealing device is moved by means of a compressible force, such as an air cylinder. In this way, the air in the cylinder pushes the thin sealing device downward into the plane of the film. However, a foreign object located on the film can overcome the force of the air cylinder, thereby lifting the thin sealing device out of the path of the film.

Abstract: The apparatus includes panel portions forming means by which two webs of panel material are opposed to and superposed on each other and fed longitudinally thereof, the panel portions being formed by the webs of panel material. The apparatus further includes side gusset portions forming means by which sheets of side gusset material are folded into halves and combined with and interposed between the webs of panel material to extend widthwise thereof, the side gusset portions being formed by the sheets of side gusset material. The apparatus further includes bottom gusset portion forming means by which a web of bottom gusset material is combined with the webs of panel material to extend longitudinally thereof, the bottom gusset portion being formed by the web of bottom gusset material with at least one bottom protrusion protruding from the bottom gusset portion. In addition, the apparatus includes option means by which the bottom protrusion is provided with a handle hole, zipper, opening or adhesive means.

Abstract: A sheet of side gusset material 3 is folded into halves, superposed into two layers and interposed between webs of panel material 1 and 2. One of the webs of panel material 1 is folded along a longitudinal folded line 8 to make the webs of panel material 1 and 2 open and make an open surface formed on the webs of panel material 1 and 2. One of the layers of side gusset material 3 is folded along the longitudinal folded line 8 to make the layers of side gusset material 3 open along with an auxiliary gusset portion 7 and make an open surface formed on the layers of auxiliary gusset portion 7. A web of bottom gusset material 4 is superposed on the open surfaces of panel material 1 and 2 and auxiliary gusset portion 7.

Abstract: A polyhedron disposable container formed from flexible weldable plastic film and a method of forming the same are provided. The container has opposite ends and an openings that accommodates a port at the center of at least one of such ends. The container also has multiple sides and an opening on at least one such side located midway between the edges of such side.

Abstract: Disclosed is a apparatus for manufacturing pole-piece pockets, comprising a framework, an pole-piece supplying assembly, an pole-piece transporting and regulating assembly, a vertically thermal-welding assembly, a transversely thermal-welding assembly, a film clamping and drawing assembly, and a film cutting assembly for cutting the films. The vertically thermal-welding assembly comprises a press welding cutter having two blades for simultaneously welding the two lateral edges of the pole-piece pocket. The transversely thermal-welding assembly comprises a first thermal welding cutter for welding the base of the pole-piece pocket and a second thermal welding cutter for welding the opening of the pole-piece pocket. The press welding cutter has two blades so that the two lateral edges of a pole-piece pocket can be welded in just one welding operation. Thus, the parallelity and welding consistency of the welding joints can be ensured.

Abstract: The present invention relates to a process of fusion-bonding a plastic film (8a, 8b) to an object to be fusion-bonded such as a port member (16) in manufacturing a drug bag, and relates to a drug bag. The present fusion-bonding process comprises steps of disposing a heat generation element generating heat by absorbing infrared laser, on an opposite surface (8c) of the plastic film (8a, 8b) from the port member (16), or between the port member (16) and the plastic film (8a, 8b), pressing a press member (30a, 30b), which allows infrared laser to be transmitted therethrough, from a side of the plastic film (8a, 8b), and irradiating the infrared laser (L) to the heat generation element (24a, 24b) through the press member (30a, 30b).

Abstract: A seam sealed wet bag for transporting and storing wet items and a process for marking same.

Abstract: A packaging and method for controlling the seal strength between two cooperating thermo-sealable films at predetermined sealing portions, where a predetermined amount of heat is applied over a predetermined period of time. The resulting packaging is resealable after the first separation of two surfaces. The strength of the seal controlled by defining the number and dimensions of a plurality of restricted areas without a material cover that is resistant to the thermo-seal effect. The restricted area can be defined with a plurality of dots of predetermined selected shapes and dimensions. The resulting article facilitates the rupture of the packaging along a predetermined path. With this process, a fixed predetermined heat and residency time can be chosen and the seal strength can still be varied in different areas of a packaging. Non-sealable microdots with a predetermined amount of adhesive deposits also covered by a polypropylene powder deposit permit its resealing.

Abstract: A reel-to-reel aerosol collection and storage system for capturing and storing a plurality of separate samples of aerosol particles using electrostatic precipitation technology for collecting such particles onto a tape mechanism for analysis at a future time. The particles are collected onto a region of the collection tape for a defined period of time and then that portion of the collection tape is advanced out of the collection zone and manipulated so as to form sealed pouches or pockets which can be either severed from the collection tape for individual storage in a temperature controlled storage container, or which can be stored on a take-up reel in a temperature controlled environment. The collected aerosol particles are stored with a buffer fluid to preserve and maintain the viability of the collected particles for future extraction and analysis. Several embodiments for forming sealed pouches or pockets and methods of storing the collected particles are disclosed.

Abstract: Systems, devices, and methods are described for providing a bag having an internally reinforced header. A reinforcing material is combined with a bag material to provide strength to the reinforced header. The reinforcing material and the bag material are aligned during manufacturing such that the reinforcing material is positioned in a header area of a bag formed by folding the bag material. A seal that passes through both the reinforcing material and the bag material retains the reinforcing material within the bag header. A bag handle may then be punched into the header through the bag material and the reinforcing material.

Abstract: The presently disclosed subject matter is directed to methods of making and using films that serve as barriers to atmospheric oxygen. More particularly, the presently disclosed subject matter pertains to methods of making and using films wherein at least one layer of the film contains a blend of primary and secondary barrier components. The primary barrier component is present in the layer in an amount of from about 65 to 95 weight percent, based on the blend weight, and comprises ethylene vinyl alcohol copolymer having an ethylene unit content ranging from 21 to 30 mol %. The secondary barrier component is present in the layer in an amount of from about 5 to 55 weight percent, based on blend weight, and comprises ethylene vinyl alcohol copolymer having an ethylene unit content ranging from 41 to 50 mol %.

Abstract: The present disclosure concerns flexible reclosable containers with a one way valve which provides a means to vent fluids, particularly air, from the interior of container when the repeatedly reclosable closure member, typically a zipper, is in a closed state. It also concerns a process for creating such a valve using a seal bar with voids to create a channel which passes behind the closure member. The valve which is disclosed involves a channel which comprises a central passageway which connects a port which communicates with the environment to a port which communicates with the interior of the package. Also disclosed is the concept of using this valve with a readily removable hermetic seal such that the port intended to communicate the environment initially communicates with the headspace between the reclosable closure member and the hermetic seal but does communicate with the environment when the hermetic seal is removed.

Abstract: Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web.

Abstract: A method for manufacturing sterile flexible bags filled with a filling product and provided with a valve, including a) a step of placing valves on a first flexible film and sterilizing at least one of the two surfaces of the first film, b) a step of forming bags by heat welding from at least the first film, and filling the bags with a filling product. The valves each include a base applied directly onto the first film, and a tube assembled via an open end onto base in order to cover a tapping area of the base, the tube having a removable portion intended to be removed to uncover the tapping area and allow the product to be withdrawn by poking a needle into the area.

Abstract: The present invention encompasses principally a method of permitting packaging of one or more piece goods in one or more bag units, where said bag units are, in a selected transport direction, oriented after one another and mutually united with the aid of two, each arranged bag side allocated, thickened portions. A first means (1) is disposed whereby each one of said bag units, from a folded and/or united state, becomes openable by causing said respective bag side allocated thickened portions to pass along a distance from one another oriented rails or similar arrangements. A second means (2) is disclosed in order to, in thus opened bag units, allow insertion of one or more piece goods (G). A third means (3) is utilized, whereby each one of said bag units is sealed along a sealing zone, in order thereby to allow the enclosure of said one or more piece goods. A fourth means (4) is adapted to clip and/or cut off a sealed bag through or above said sealing zone, however under said thickened portion.

Abstract: A bag manufacturing and packaging apparatus is adapted to form a strip film into a cylindrical film. The bag manufacturing and packaging apparatus includes a sealing unit with a pair of sealing members facing each other to seal an end portion of the cylindrical film therebetween to package an article. Each of the sealing members includes a sealing jaw, a heating unit, and a heat insulating member. The sealing jaw has a heat generating surface, and configured and arranged to seal the cylindrical film on the heat generating surface. The heating unit is configured and arranged to heat the heat generating surface of the sealing jaw. The heat insulating member insulates the heat conduction from the heating unit to a direction other than a direction toward the heat generating surface of the sealing jaw.

Abstract: It is intended to mount and remove the heat seal bar 2 without difficulty. A receiving recess 7 formed in the heat seal bar 2 while an insert 8 is received in and fixed to the receiving recess 7. A tension pin 16 is supported by the heater unit 1, inserted into the adjacent recess 11 and then inserted into the axial groove 9 through the axial opening 10. An actuator is provided at the heater unit 1, the tension pin 16 being pulled and moved axially thereof by the actuator 19 so that the head 17 should be engaged with the inward protrusion 18. The tension pin 16 and the insert 8 cooperate with each other to mount the heat seal bar 2 on the heater unit 1.

Abstract: The trash bag for receiving refuse may include a bag body, the bag body including an inside surface, an outside surface, and a rim defining a mouth with a hem and a draw tape in the hem. A liquid additive may be applied to the interior of the bag using the intermittent application of micro-droplets to the interior of a folded web and then converting to a roll of connected trash bags or to individual trash bags on a roll. The liquid additive may contain fragrance, malodor control agents and fragrance release inhibitors. Also, described is a method of producing trash bags with liquid additives applied by the application of micro-droplets.

Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein a chemical family of the adhesive layers comprises, distillates, petroleum and ethanamine or naphthene components, and wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material.

Abstract: An air packaging device includes two layers of thermoplastic films, which form a sealable space where air is filled after first and second steps of heat-sealing process. The sealable space includes a number of independent sealed air chambers and a main air passage channel. The main channel has an air inlet. Each sealed air chamber is connected with the main channel by at least one one-way valve each including at least two layers of plastic films. At least two one-way valves are installed inside of the air chambers. This air packaging device increases the cushioning protection where the protection is most needed, but can reduce air chamber dimension at less important locations in order to reduce the volumetric size and, hence, reduce the shipping cost.

Abstract: Methods of manufacturing a valve bag are disclosed. First and second webs of valve material, such as heat sealable plastic film, are combined to create a combined web of valve material, and a sealing process is applied thereto to define valve portions. The combined web of valve material includes a plurality of valve strip portions, each including a valve portion. Then first and second bag sections, which may be on a first and second side respectively of a web of folded bag material, or on a first web and second web of bag material respectively, are dispensed with the combined web of valve material positioned in between, and brought together to form a combined web of valve bag material. A sealing process is applied to the combined web of valve bag material, forming a valve bag section. The bag section is then separated from the remainder of the combined web of valve bag material to form an individual valve bag.

Abstract: The present disclosure provides a bag with one or more easy open features, which in certain embodiments are reclosable. Methods of making such bags are also disclosed.

Abstract: A method for producing a large-capacity, pliable container, includes the steps of a) producing a tubular bellows-type sleeve, b) cutting lateral folding regions of the folded bellows-type sleeve, d) soldering adjacent cutting edges in such a way as to produce a parallelepipedic inner protective envelope having a square cross-section (1b), e) sticking fixing lugs (13) to two opposite lateral fixing faces (14a, 14b) of the folded bellows-type sleeve, (f) applying a tractive force to the fixing lugs (13) in order to deform, by stretching, the parallelepipedic inner protective envelope having a square cross-section and to obtain a parallelepipedic inner protective envelope having a rectangular cross-section (1), step g) soldering the outer lateral pockets (17a, 17b), and a step B) of assembling the inner protective envelope having a rectangular cross-section (1) with the outer envelope in order to form the large-capacity pliable container.

Abstract: A method of packaging by heat sealing, including: a) transporting films to a heat sealing packaging station; b) pressing two layers of the films with a positioning blocking element to position the films and block the air flow between a packaging cavity and a packaging line; c) performing heat sealing to the two layers of the films at the packaging line by a heat sealing device; and d) resetting the heat sealing device and the positioning blocking element, and cooling and solidifying the films bonded at the packaging line.

Abstract: A reclosable bag with a hook and hook closure can include walls formed of a material having multiple layers, which can include at least one gusset. The bag can be formed into a full open mouth configuration for ease of filling and ease of dispensing product. The hook and hook closure allows for an imprecise alignment of the closure track to substantially close the bag around the gusset area. A method of manufacturing a reclosable bag with a hook and hook closure is also presented.