Provided are a method and an apparatus for extruding into a tube and filling the tube at a high speed and simultaneously sealing the tube. Specifically provided is a method for producing a polymer tube, containing a liquid therein and being sealed at constant intervals, the method including an extrusion step of continuously melt-extruding a polymer material through a die into at least one tube, while feeding a liquid into the tube to obtain at least one liquid-containing tube; and sealing step of discontinuously pressing the at least one liquid-containing tube between a pair of pressurizing members at constant intervals to cause pressure-bonding before the tube solidifies, while continuously taking up the extruded tube.

Provided are a method and an apparatus for extruding into a tube and filling the tube at a high speed and simultaneously sealing the tube. Specifically provided is a method for producing a polymer tube, containing a liquid therein and being sealed at constant intervals, the method including an extrusion step of continuously melt-extruding a polymer material through a die into at least one tube, while feeding a liquid into the tube to obtain at least one liquid-containing tube; and sealing step of discontinuously pressing the at least one liquid-containing tube between a pair of pressurizing members at constant intervals to cause pressure-bonding before the tube solidifies, while continuously taking up the extruded tube.

A device for producing and filling containers, in which at least one hose of plasticized plastic material emerging from an extrusion head (2), can be extruded into an opened mold, wherein a filling device (14) can be used to at least introduce the filling material into the relevant container by means of filling mandrels (12), which, at least during operation, extend through the extrusion head (2) along at least one row of passages (40), is characterized in that the extrusion head (2) has a cuboid shell (20, 22) and in that the overall height (H) of the extrusion head (2), viewed in parallel to the orientation of the relevant filling mandrel (12), is smaller than the length (L) of the extrusion head (2), viewed along the pertinent row of passages (40).

A device for producing and filling containers, in which at least one hose of plasticized plastic material emerging from an extrusion head (2), can be extruded into an opened mold, wherein a filling device (14) can be used to at least introduce the filling material into the relevant container by means of filling mandrels (12), which, at least during operation, extend through the extrusion head (2) along at least one row of passages (40), is characterized in that the extrusion head (2) has a cuboid shell (20, 22) and in that the overall height (H) of the extrusion head (2), viewed in parallel to the orientation of the relevant filling mandrel (12), is smaller than the length (L) of the extrusion head (2), viewed along the pertinent row of passages (40).

1. Device for producing and filling container products 2. A device for producing and filling container products, in which at least one hose (19) of plasticized plastic material can be extruded into an opened mold (7) starting from an extrusion head (13) along a hose guide, wherein by means of at least one filling mandrel (1), which at least in one functional position extends through the extrusion head (13), a filling material can be introduced into the relevant container and wherein at least one process gas feeder device (21, 23) can be used to bring a process gas into the interior of the hose (19), wherein the process gas feeder device (21, 23) has a guide duct (21) extending inside the extrusion head (13) along the outside of the filling mandrel (1), is characterized in that at least part of the process gas introduced is discharged through the extrusion head (13) along at least one predeterminable exhaust gas duct (35), which is separated from the relevant guide duct (21).

1. Device for producing and filling container products 2. A device for producing and filling container products, in which at least one hose (19) of plasticized plastic material can be extruded into an opened mold (7) starting from an extrusion head (13) along a hose guide, wherein by means of at least one filling mandrel (1), which at least in one functional position extends through the extrusion head (13), a filling material can be introduced into the relevant container and wherein at least one process gas feeder device (21, 23) can be used to bring a process gas into the interior of the hose (19), wherein the process gas feeder device (21, 23) has a guide duct (21) extending inside the extrusion head (13) along the outside of the filling mandrel (1), is characterized in that at least part of the process gas introduced is discharged through the extrusion head (13) along at least one predeterminable exhaust gas duct (35), which is separated from the relevant guide duct (21).

The invention relates to a method for encapsulating a liquid product, the method comprising blending together a solution of alginate and a thickener and extruding through an appropriately shaped die to form a membrane, applying a calcium rich ion solution to crosslink the membrane and create a water insoluble membrane, filling the water insoluble membrane with the liquid product; and sealing the membrane around the liquid product, encapsulating the liquid product therein.

The invention relates to a method for encapsulating a liquid product, the method comprising blending together a solution of alginate and a thickener and extruding through an appropriately shaped die to form a membrane, applying a calcium rich ion solution to crosslink the membrane and create a water insoluble membrane, filling the water insoluble membrane with the liquid product; and sealing the membrane around the liquid product, encapsulating the liquid product therein.

The present invention describes a method (600, 600a) of forming bitumen bags (605) for packaging bitumen products into blocks or slabs. Each block/slab of bitumen (200,200a,200b,200c) is encapsulated in the bitumen bag, which is composed of a bitumen compound (160). The bitumen compound (160) is made up of about 10-30% by weight of natural bitumen and about 5-25% by weight of a synthetic rubber polymer and copolymers. The bitumen compound (160) is melted with the bitumen content and is fully miscible with the molten bitumen, leaving no residue but enhances the physical properties of the resultant bitumen mixture.

The present invention describes a method (600, 600a) of forming bitumen bags (605) for packaging bitumen products into blocks or slabs. Each block/slab of bitumen (200,200a,200b,200c) is encapsulated in the bitumen bag, which is composed of a bitumen compound (160). The bitumen compound (160) is made up of about 10-30% by weight of natural bitumen and about 5-25% by weight of a synthetic rubber polymer and copolymers. The bitumen compound (160) is melted with the bitumen content and is fully miscible with the molten bitumen, leaving no residue but enhances the physical properties of the resultant bitumen mixture.