A problem to be solved is to provide a packaging method suitable for transporting a cellulosic polymer, and another problem to be solved is to provide a packaging method suitable for transportation while suppressing the viscosity reduction of the cellulosic polymer.

The cellulosic polymer is packaged so as to meet the following conditions (1), (2), and (3): (1) the packaging bag having a gas barrier property is filled with a cellulosic polymer; (2) an oxygen concentration in the packaging bag is adjusted to 0.8% or less and the packaging bag was sealed; and (3) when the packaging bag filled with the cellulosic polymer is placed such that the longest long side L is horizontal, the depth D of the packaging bag from the horizontal plane and the long side L satisfy the relational expression of 6.1≤L/D≤10.

The present invention is directed to a bag of polymeric film and a method to make the bag. The bag can be comprised of a front panel and a rear panel. The front and rear panels can each be comprised of multiple layers of film. The bag can be formed from a collapsed bubble of polymeric film that has been folded in half so that opposing edges of the collapsed bubble form an opening of the bag. One of the layers of the folded bubble can be split adjacent to an edge of the collapsed bubble and a draw tape film can be inserted between the layers of the folded and collapsed bubble. The collapsed bubble can further be embossed by a pattern that can provide enhanced properties to bags formed from the folded bubble.

Provided is a packaging bag which can prevent a colorant contained in a multilayer film from staining a packaged object, as well as has high mechanical strengths such as high impact resistance and high pinhole resistance. In a packaging bag formed by forming a multifold film into a bag shape, the multifold film being formed by stacking a plurality of multilayer films, a colorant is contained in a layer of the multilayer films, the layer containing the colorant being not in contact with an object to be packaged. For example, the multifold film comprises two stacked multilayer film formed by flattening a tubular multilayer film. For example, the colorant is an inorganic pigment.

A method of delivering chilled goods in a bag (20) for transporting goods in an air environment having an air humidity; the bag having a collapsed state (20A) for enabling transportation of the bag in a substantially flat state, and an expanded state (20B) such that the collapsible bag (20), in its expanded state, provides an interior storage space for transporting goods, the collapsible bag comprising: at least one wall panel; the wall panel comprising an outer material layer; and an inner material layer; and a thermally insulating intermediate space between the outer material layer and the inner material layer; and a bag opening; wherein the bag has an open expanded state (20C) for loading and/or unloading said goods via the bag opening, and a closed expanded state (20D) such that the collapsible bag (20), in its closed expanded state (20D), provides a closed interior storage space for transporting goods; wherein the bag opening is a closable opening which, in the closed expanded state (20D) of the collapsible bag cooperates with said at least one wall panel so as to minimize or prevent exchange of air between the environment and the interior storage space.

A packaging bag has a bag body on a paper basis, which has front walls that lie opposite one another, side walls arranged between the front walls, and longitudinal edges that connect the front walls with the side walls. A material section that forms the assigned front wall and a material section that forms the assigned side wall, are connected with one another on the longitudinal edges to form a reinforcement fold that runs in the longitudinal direction, by way of a fixation layer that borders on each longitudinal edge. The fixation layer assigned to at least one of the reinforcement folds is an adhesive layer, wherein regions of the bag body between the reinforcement folds are free of an adhesive layer.

Bags for containing various retail items, such as food items, and methods of forming the same. In some aspects, a bag having a top and bottom is provided. The bags can include a first layer and a second layer opposite the first layer and uniformly extending from the first layer. In some aspects, the bag can further include a first side seam between a side of the first layer and an opposing side of the second layer and a second side seam between a side of the second layer and an opposing side of the second layer. The first layer and the second layer each have an un-folded edge substantially parallel to the bottom fold. In some aspects, the bags include a bottom V-shaped fold extending along a transverse axis relative to the first side seam and the second side seam, the bottom V-shaped fold forming a seamless bottom.

A package has a first side coupled to a second side to form a space for storing material therebetween, the space having a re-sealable proximal end and a distal end. The first side has a plurality of layers, the plurality of layers having four layers selected from the group consisting of selected from the group consisting of OPP (oriented polypropylene film), KRAFT paper, VMPET (vacuum metallized polyester film), PE (polyethylene plastic), and PET (polyethylene terephthalate).

A woven laminated plastic bag having an easy open feature is provided. The easy open feature is generally defined by a weakened portion in the bag. In various aspects the bag can be fabricated from a woven polyethylene layer which can be laminated with a polyethylene film layer, can form a pinch bottom bag, and can have one or both sides include graphics and/or printing. The bag can also provide a top end and/or a bottom end either or both of which provide a discrete area which may contain discrete graphics and/or printing.

A kraft sack is disclosed for products to be packed and stored in dust and granule forms such as chemical, food, mine, construction and building industry products. The kraft sack was manufactured to prevent from possible odour transition and humidity creation from and into package inside and outside of dust and granule raw materials, and provides protection thereof in order to maintain physical and chemical features of product against interior and exterior factors, against dusting that could occur during evacuation of air through perforation holes over kraft sacks during process of filling the kraft sack.

The present invention is directed to a pouch (1) for tobacco comprising a first pocket, wherein at least a wall of the pouch is formed of a flexible sheet laminate (6) composed of at least a first and a second layer (61, 62), the pouch further comprising a slide-in pocket (4) formed within the flexible sheet laminate, wherein the slide-in pocket comprises a pocket front wall (42) formed of a part of the first layer (61) of the flexible sheet laminate, a pocket back wall (41) formed of a part of the second layer (62) of the flexible sheet laminate and a first opening (5) arranged in the first layer or the second layer of the flexible sheet laminate, the interior of the slide-in pocket being accessible via the first opening.