B29L2031/7164

Product packaging with heat sealable barrier material

A package that is suitable for packaging an article for collecting or administering a pharmaceutical active substance is disclosed. The package includes a first packaging component that includes a product-contacting sealant layer that includes a first ethylene vinyl alcohol copolymer. The package includes a second packaging component that includes a product-contacting sealant layer that includes a second ethylene vinyl alcohol copolymer. The ethylene content of the second ethylene vinyl alcohol copolymer is equal to or less than about 38 percent and the ethylene content of the first ethylene vinyl alcohol copolymer is greater than the ethylene content of the second ethylene vinyl alcohol copolymer.

HEATING AND SEALING HEAD FOR PACKAGING MACHINES OF PRODUCTS IN TRAYS
20240083614 · 2024-03-14 · ·

A heating and sealing head (1) for packaging machines (M.sub.1; M.sub.2; M.sub.3) of products in trays (V), comprising a fixed support group (2) provided with first actuation means (3) electrically connected to a pneumatic system (4) for delivering compressed air, and a mobile application group (5) mechanically coupled to the fixed support group (2) by means of first fixing means and comprising heating means (6) electrically connected to an electric current generator (7), preferably alternating, which activates the heating means (6) to produce heat useful for sealing a closing and packaging film to one or more trays for containing products when the trays themselves are arranged under the heating and sealing head (1) in a packaging machine (M.sub.1; M.sub.2; M.sub.3). In particular, the heating means (6) comprise an electromagnetic inductor body (8) which produces the heat due to the effect of the parasitic electric currents induced by a magnetic field generated by the electromagnetic inductor body (8) when crossed or affected by the electric current.

BLISTER PACKAGES CONTAINING ACTIVE MATERIAL AND METHODS OF MAKING AND USING SAME
20240059468 · 2024-02-22 ·

A blister pack including a backing and an active layer coextensively attached to the backing. A cover is attached to the layer. The cover forms one or more spaced-apart blisters. Each blister and the layer combine to form a cavity configured to enclose at least one product. The active layer within each blister is embossed to form one or more points of weakness configured to facilitate rupture of the backing and active layer when dispensing a product from the blister.

Three-dimensional film sealing

Described is an assembly (1) comprising a wall element (2), defining a circumferential bonding strip (3) running over the wall element, and a flexible flat film connected to the bonding strip with a continuous circumferential bonding (4), which wall element and film define two opposite walls (2a, 5a) of a chamber (5), characterized in that the wall element further comprises a base plane B defined by the wall element, at least two corner elements (6a, 6b, 6c, 6d) positioned on a distance to one another, which extend substantially perpendicular with a height H (Ha, Hb, Hc, Hd) in the same direction from the base plane of the wall element, each corner element defining an angle A (Aa, Ab, Ac, Ad) of the chamber with an angle line which is substantially perpendicular to the base plane, strip sections (7a, 7b, 7c, 7d), each connecting two corner elements that define adjacent corners of the chamber to one another, the distance between the strip sections and the base plane being less than H, wherein the continuous circumferential bonding strip runs over the strip sections and over the corner elements and at least in the area of the corner elements at a distance from the base surface corresponding to height H (Ha, Hb, Hc, Hd), and wherein the outer contour of the film is shaped in such a way that the outer contour of the film corresponds to that of the circumferential bonding strip. A method for the production of such an assembly is also described.

Thermoformed packaging and methods of forming the same

In various aspects, the present disclosure pertains to thermoformed webs that comprise polymer films having one or more thermoformed cavities contained therein, the polymer films comprising a polymer blend of amorphous polyethylene terephthalate (APET) and a copolyester that comprises (a) dicarboxylic acid residues (e.g., dicarboxylic acid residues that comprise terephthalic acid residues and, optionally, one or more additional dicarboxylic acid residues) and (b) diol residues (e.g., diol residues comprising ethylene glycol residues and, optionally, one or more additional diol monomer residues). Other aspects of the disclosure pertain to methods of forming such thermoformed webs, packaged products comprising such thermoformed webs, and methods of recycling such thermoformed webs.

Sealing machine and method for packaging a food product
11964784 · 2024-04-23 · ·

A sealing machine and method for sealing a preformed tray (2) with a plastic film (26), the method comprising a cooling step in which, by acting on the outside of the tray (2), heat is removed at least from the bottom wall (3) of the tray (2) while the heated plastic film (26) is applied over the tray (2) and a food product (25), and the sealing machine (1) comprising a supporting element which defines a housing (7) which has a fixed bottom surface (9) suitable for making contact, in use, with the bottom wall (3) of the tray (2), a plurality of ducts (19) which define a flow path (20) for a cooling fluid in the supporting element, and a cooling system (17) configured to cool the cooling fluid bringing it to a temperature equal to or less than 10? C., and preferably equal to or less than 6? C.

SUSTAINABLE BARRER CONTAINERS AND METHODS
20240116688 · 2024-04-11 ·

In an embodiment, the invention comprises a packaging structure comprising a cap layer which comprises post-consumer resin, at least one additional layer adjacent the first layer which comprises an alloy of: polyethylene terephthalate; a polyolefin; and at least one compatibilizer; a barrier coating adjacent the at least one additional layer and opposite the cap layer, wherein the barrier coating comprises a matrix of polyethyleneimine and polyvinyl alcohol and an overlacquer about the barrier coating. The methods of the invention may include co-extruding the cap layer and an alloy layer to form a co-extrudate; optionally, melt adhering the co-extrudate to another alloy layer to form a melt-adhered sheet; intermixing a solution of polyethyleneimine, polyvinyl alcohol, and water to form a coating; applying the coating to the outermost alloy layer opposite the cap layer; drying the applied coating; applying an overlacquer about the coating; and drying the overlacquer.

Apparatus and process for packaging a product
10435186 · 2019-10-08 · ·

An apparatus for packaging a product comprises a packaging assembly to fix a film sheet to a support. The packaging assembly includes a lower tool having seats for receiving the support and an upper tool facing the lower tool and comprising a film holding plate for holding the film sheet. The film holding plate has an active surface for receiving the film sheet, where the upper and lower tools cooperating to define a packaging chamber. The packaging assembly is open to receive the film sheet in a first operating condition and is hermetically closed in a second operating condition. The film holding plate has a lateral surface extending substantially perpendicular to a plane defined by the active surface, the film holding plate comprising ejectors arranged in the lateral surface for ejecting a stream of gas substantially parallel to said plane and substantially away from a center of the active surface.

SEALING DEVICE AND METHOD FOR SEALING A LID MATERIAL TO SEALING AREAS OF A BLISTER WEB OR OF A BLISTER CAP
20190291909 · 2019-09-26 ·

A sealing device for sealing a lid material to sealing areas of a blister web comprises a first, heated sealing tool and a second sealing tool arranged opposite each other and movable relative to each other. A first intermediate element of elastic material is attached to the first sealing tool on a side facing the second sealing tool, and a second intermediate element of thermally-insulating material is attached to the second sealing tool on a side facing the first sealing tool. The first and second sealing tools are movable relative to each other between an opened position and a closed position, in which at least sections of the first intermediate element and of the second intermediate element exert pressure on each other. In the closed sealing position, the first intermediate element rests on the lid material and the second intermediate element rests on lands of the blister web.

Package and heat sealing device

Aspects of the present invention are directed to a heat sealed packaging wherein the heat seal is along a curved surface. Additional aspects of the present invention are directed to a device for heat sealing a package on a surface that is curved along the direction of force.