An apparatus is improved to successively make plastic bags each of which includes an end surface provided with a spout, by employing the general feeding way of panel material, to be simple in structure, low in cost, high in speed and to make it possible to successively make the plastic bags two by two. A first folded portion is formed in a first web of panel material 1. An aperture is formed in a second web of panel material 2. A spout is inserted into the aperture, the spout and the second web of panel material 2 being heat sealed with each other. The second web of panel material 2 is guided by a guide device 18 to be folded after being heat sealed so that a second folded portion should be formed in the second web of panel material. The spout is turned over by the second folded portion. The second folded portion and the first folded portion are heat sealed with each other while the second folded portion and the second web of panel material 2 are heat sealed with each other about the spout.

The present invention is directed to a method forming a bottom-gusseted package, wherein each package includes an inwardly-extending, pleat-like gusset at the bottom of the package. To permit heat-sealing formation of each package, the sleeve from which each gusset is formed comprises a lamination of two differing polymeric materials, so that only an exterior surface of each sleeve exhibits the desired heat-sealing characteristics. To facilitate package formation, the sleeves from which the bottom gussets are formed are maintained in a temporarily closed or sealed configuration during package formation by providing a preferably frangible bond or seal at the edge of each sleeve. This result is preferably achieved by folding the laminate material, and temporarily sealing or joining an outer layer of the laminate material from which gusset is formed, while an inner layer is maintained in an unsealed condition.

A method of making a storage bag comprising the following steps performed in any order: (a) forming a composite tube having an inner surface comprising a higher melting polymer, an outer surface comprising a lower melting polymer, two ends, and a diameter; (b) flattening the tube in a direction perpendicular to the diameter; (c) forming a joint at one of the ends at a temperature between respective melting points of the higher melting polymer and the lower melting polymer; (d) providing a composite sheet having a first side comprising a higher melting polymer and a second side comprising a lower melting polymer; and (e) disposing the composite sheet over the joint such that the first side comprising a lower melting polymer engages the joint and forming a lap seam over the joint at a temperature between respective melting points of the higher melting polymer and the lower melting polymer, and a storage bag made by such method.

A method of forming reinforced packages. The method can comprise forming an attached web by adhering a blank to a web of material and moving the attached web in a downstream direction through at least a tube forming assembly and a carton forming assembly. The method also can comprise at least partially forming a tube by folding at least a portion of the web of material as the attached web moves through the tube forming assembly, forming a reinforcement sleeve by folding at least a portion of the blank so that the reinforcement sleeve extends at least partially around the tube as the attached web moves through the carton forming assembly, and forming a reinforced package comprising the reinforcement sleeve and a tube portion by separating the tube portion from a remainder of the tube, the reinforcement sleeve being adhered to the tube portion.

Described is a manufacturing a non-rigid container, the method including one or more of the following steps: coating a surface of a fabric with a water-based adhesive; leaving the product to cure for a predetermined period of time; temporarily adhering a paper to said adhesive surface of said fabric in a heat fusing press; cutting one or more required pattern pieces; stitching said one or more patters pieces together in a desired fashion; and coating said material with a hydrophobic coating.

A flexible packaging laminate is formed to have a built-in opening and reclose feature by forming the laminate as a two-part structure having an outer structure joined in face-to-face relation with an inner structure. Score lines are formed in both structures to enable an opening to be formed through the laminate by lifting an opening portion (e.g., a flap or the like) of the two structures out of the plane of the laminate. The score line through the outer structure defines a larger opening than the score line through the inner structure, such that a marginal region of the outer structure extends beyond the edge of the opening portion of the inner structure. A pressure-sensitive adhesive is used to re-adhere the marginal region to an underlying surface of the inner structure adjacent the opening through the laminate.

A flexible, stackable, reclosable container for storing a quantity of products comprising a plurality of walls defined by a first sheet and a second sheet attached to at least a portion of the first sheet. The second sheet extends over at least three of the walls. The opposing container walls each have a sealed portion and one or more tucks, the tucks comprising a portion of the first sheet tucked toward the interior volume. A portion of the second sheet defines a reclosable feature located over an opening for reclosing the container. The second sheet includes a line of reduced strength at or adjacent at least a boundary adjacent the tucks and disposed between the opposing container walls each having the sealed portion and an adjacent container wall. The second sheet can include a hinge about which the reclosable feature pivots from closed position to open position.

A method of forming a hose from a flat web material includes supplying the flat web material via a feeding device, folding the edges of the flat web material with at least one hose formation tool, with the edge sections subsequently overlapping, and connecting to each other parts of the overlapping edge sections, A target position of at least one edge is determined after the edges have been folded over, with the actual position of at least one edge being determined by a measuring device. In the event of a deviation of the actual position from the target position, the hose formation tool is moved, via an actuator, at least perpendicular relative to the direction of transportation of the flat web material.

The present disclosure relates to strata 2-ply drawstring trash bags implementing a J-flap extended hem to provide increased top-of-bag strength. In one or more embodiments, the J-flap extended hem includes a 2-ply web folded back on itself (e.g., during a hem folding operation to enclose the drawstring within a hem channel). In one or more implementations, a hem seal secures the 2-ply web to an inside surface of the trash bag. At least one ply of the 2 -ply web fold-over extends past the hem seal and is additionally secured to the inside surface of the trash bag via one or more hem skirt seals. For reduced material consumption in certain embodiments, the J-flap extended hem of the present disclosure imparts added strength using only one ply of the 2-ply web fold-over. In some embodiments, at least one ply of the 2-ply web fold-over includes ring-rolled portions to add top-of-bag strength.

The present invention relates to a laminated polyethylene film comprising: (a) a first film; and (b) a second film; wherein the first and the second film are adhering to one another to form a laminate; wherein the first film is a bi-directionally oriented film; and the second film is a blown film; wherein the first film comprises or consists of polyethylene, and the second film comprises or consists of polyethylene; wherein the second film comprises one or more film layers, and comprises a sealing layer so that the sealing layer forms a surface layer of the laminated film; wherein the sealing layer comprises a polyethylene copolymer (I) comprising moieties derived from 1-octene, having: a density of 855 kg/m3 and 910 kg/m3, as determined in accordance with ASTM D792 (2008); a melt mass-flow rate of 0.2 and 5.0 g/10 min, as determined in accordance with ASTM D1238 (2013) at a temperature of 190 C. under a load of 2.16 kg. Such laminated film, constituting a mono-material, mechanically recyclable packaging film solution, demonstrates a desirably low sealing temperature whilst ensuring good seal strength. This enables use in thermally sealed food packages, with reduced sealing energy consumption and reduced exposing of package contents to high temperatures, leading to increase of shelf life of the packed foodstuff. Moreover, the mechanical properties of the laminate are of desirably high level.