Packaging is provided that inflates within the interior and exterior of a desired article, such as a pair of shoes. The pack is sized to the article's height, width, depth and in the case of shoes, has two distinct inserts that fit inside each one of a pair of shoes. When the package is inflated, both the interior and exterior of the shoes are cushioned and supported for shipment and storage. This invention allows the user to deflate the packaging, fold it to a reduced size, and either store the packaging or mail it back to the manufacturer to be repurposed for a continued life cycle.

Packaging is provided that inflates within the interior and exterior of a desired article, such as a pair of shoes. The pack is sized to the article's height, width, depth and in the case of shoes, has two distinct inserts that fit inside each one of a pair of shoes. When the package is inflated, both the interior and exterior of the shoes are cushioned and supported for shipment and storage. This invention allows the user to deflate the packaging, fold it to a reduced size, and either store the packaging or mail it back to the manufacturer to be repurposed for a continued life cycle.

A multilayer structure is provided, which includes a layer containing a saponified ethylene-vinyl ester copolymer, and a layer of a thermoplastic resin other than the saponified ethylene-vinyl ester copolymer provided on at least one side of the saponified ethylene-vinyl ester copolymer-containing layer with the intervention of an adhesive resin layer. An interface layer having a thickness (X) of 50 to 400 nm is present in an interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer. Alternatively, a viscosity increase rate in the interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer is 0.1% to 8%. Therefore, the multilayer structure has long-run durability, and is less liable to have poor appearance even if being produced by a multilayer coextrusion method.

A multilayer structure is provided, which includes a layer containing a saponified ethylene-vinyl ester copolymer, and a layer of a thermoplastic resin other than the saponified ethylene-vinyl ester copolymer provided on at least one side of the saponified ethylene-vinyl ester copolymer-containing layer with the intervention of an adhesive resin layer. An interface layer having a thickness (X) of 50 to 400 nm is present in an interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer. Alternatively, a viscosity increase rate in the interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer is 0.1% to 8%. Therefore, the multilayer structure has long-run durability, and is less liable to have poor appearance even if being produced by a multilayer coextrusion method.

A connector and a package body that can be transported without exposing a filler to the outside and can stably deliver predetermined performance during use are provided. A connector (10) comprises: a pair of a first fitting object (16) and a second fitting object (30); a first opening (29) and a second opening (44) formed respectively in the first fitting object (16) and the second fitting object (30) and opened to a fitting side; and a filler (70) provided inside at least one fitting object of the first fitting object (16) and the second fitting object (30), wherein, before the first fitting object (16) and the second fitting object (30) are fitted together, the filler (70) is located inside of an opening of a corresponding fitting object, and an end surface of the second fitting object (30) on the fitting side forms a plane.

The invention relates to a method for mechanically closing, in particular beading, a package for, in particular, food products, which package is made up of at least two foil half-shells which are mechanically closed at their encircling edge sections in contact with one another by means of a closing unit, wherein the closing unit comprises: a package carrier with an outer ring and a package receiving ring, and also at least two closing tools, specifically: a positioning tool for positioning the edge sections, which bear against one another, of the foil half-shells to be closed, and also an attachment tool for attaching the edge sections, wherein the method comprises the following steps: inserting the foil half-shells into the packaging receiving ring, wherein the foil half-shells bear against one another by way of their encircling edge sections, positioning the edge sections, which bear against one another, by means of the positioning tool, attaching the edge sections by means of the attachment tool, characterized in that the package carrier carries the package to be closed during the entire process.

The invention relates to a method for mechanically closing, in particular beading, a package for, in particular, food products, which package is made up of at least two foil half-shells which are mechanically closed at their encircling edge sections in contact with one another by means of a closing unit, wherein the closing unit comprises: a package carrier with an outer ring and a package receiving ring, and also at least two closing tools, specifically: a positioning tool for positioning the edge sections, which bear against one another, of the foil half-shells to be closed, and also an attachment tool for attaching the edge sections, wherein the method comprises the following steps: inserting the foil half-shells into the packaging receiving ring, wherein the foil half-shells bear against one another by way of their encircling edge sections, positioning the edge sections, which bear against one another, by means of the positioning tool, attaching the edge sections by means of the attachment tool, characterized in that the package carrier carries the package to be closed during the entire process.

A multilayer structure is provided, which includes a layer containing a saponified ethylene-vinyl ester copolymer, and a layer of a thermoplastic resin other than the saponified ethylene-vinyl ester copolymer provided on at least one side of the saponified ethylene-vinyl ester copolymer-containing layer with the intervention of an adhesive resin layer. An interface layer having a thickness (X) of 50 to 400 nm is present in an interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer. Alternatively, a viscosity increase rate in the interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer is 0.1% to 8%. Therefore, the multilayer structure has long-run durability, and is less liable to have poor appearance even if being produced by a multilayer coextrusion method.

A multilayer structure is provided, which includes a layer containing a saponified ethylene-vinyl ester copolymer, and a layer of a thermoplastic resin other than the saponified ethylene-vinyl ester copolymer provided on at least one side of the saponified ethylene-vinyl ester copolymer-containing layer with the intervention of an adhesive resin layer. An interface layer having a thickness (X) of 50 to 400 nm is present in an interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer. Alternatively, a viscosity increase rate in the interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer is 0.1% to 8%. Therefore, the multilayer structure has long-run durability, and is less liable to have poor appearance even if being produced by a multilayer coextrusion method.

A connector and a package body that can be transported without exposing a filler to the outside and can stably deliver predetermined performance during use are provided. A connector (10) comprises: a pair of a first fitting object (16) and a second fitting object (30); a first opening (29) and a second opening (44) formed respectively in the first fitting object (16) and the second fitting object (30) and opened to a fitting side; and a filler (70) provided inside at least one fitting object of the first fitting object (16) and the second fitting object (30), wherein, before the first fitting object (16) and the second fitting object (30) are fitted together, the filler (70) is located inside of an opening of a corresponding fitting object, and an end surface of the second fitting object (30) on the fitting side forms a plane.