The present invention relates to a method for providing a semi-worked product and a mandrel covered with a long body which is the semi-worked product, in which the semi-worked product is a long body which is formed without a gap by spirally winding at least one sheet of film, at least one sheet of film of the at least one sheet of film is made of at least polytetrafluoroethylene, the long body has a thickness of 5 μm or more and 75 μm or less, and the long body is provided in a state of being in contact with a mandrel.

A hose cell assembly system for fabricating hoses with integrated hose connections is disclosed. The hose cell assembly system includes an injection mold; and an injection molding machine configured to form an integrated hose connection onto an end of a plastic tubing using an injection molding process using the injection mold, where the plastic tubing is formed by a blow molding process.

Systems and apparatuses include a tubular body of a garden hose assembly. The tubular body includes an inner tube including an inner surface and an outer surface, wherein the inner surface defines an interior passageway of the garden hose assembly. The tubular body further includes an outer tube including an inner surface and an outer surface, wherein the inner surface surrounds the outer surface of the inner tube. The tubular body further includes a reinforcement layer including a helical pattern spiraling in at least one direction around the outer surface of the outer tube. The tubular body further includes an inner cover including an inner surface and an outer surface, wherein the inner surface surrounds the reinforcement layer. The tubular body further includes an outer cover including an inner surface and an outer surface, wherein the inner surface surrounds the outer surface of the inner cover.

A system and method are presented in which a flow of plastic is extruded to obtain nano-sized features by forming multiple laminated flow streams, flowing in parallel through the non-rotating extrusion system. Each of the parallel laminated flow streams are subjected to repeated steps in which the flows are compressed, divided, and overlapped to amplify the number of laminations. The parallel amplified laminated flows are rejoined to form a combined laminated output with nano-sized features. The die exit is formed to provide a tubular shape.

The present invention relates to a hose line (1) for transporting abrasive media with an electrically conductive reinforcing element (5) running in or on the hose wall (2) and extending in the hose direction (6), wherein an insert (7) made of electrically conducting material is at least partially embedded in the hose wall (2) and extends in the hose direction (6) at a distance from the reinforcing element (5).

A connection includes: a first profile having a first end, the first profile including a first polymeric material comprising a thermoset material; and a second profile having a second end, the second profile including a second polymeric material, a metal, or combination thereof, wherein the first end and the second end are coincidently bonded without a bonding material at an interface of the first end and the second end.

Provided is a method for heating or cooling a liquid or a body by means of a vapor compression circuit containing a heat transfer fluid. The vapor compression circuit element includes at least one layer that includes copolyamide of formula X/10.T/Y, where the structural variables are described herein.

An extensible-retractable helically reinforced hose is formed by helically wrapping a freshly extruded bead of thermoplastic material about a rotating mandrel to form a helical array of spaced reinforcing coils, and by helically wrapping a freshly extruded thin yet wide web of thermoplastic material so edge regions of the wide web are placed onto and bond continuously with the peripheries of each adjacent pair of the reinforcing coils, with a leading edge region of each new wrap of the web overlying and bonding to a trailing edge region of a prior web wrap. Central portions of each web wrap extend radially inwardly and are sandwiched between adjacent reinforcing coils when the hose is retracted to a minimal axial length.

The invention relates to a profile made from a polymer material comprising a linear low-density polyethylene and a very low-density polyethylene having a specific range of flexural modulus, and to a flexible hose made from said profile. It is part of the invention that the profile wall thickness of the flexible hose is reduced while a sufficient and efficacious value for the flex life is maintained and while a sufficiently high memory is maintained, when compared to the common wall thickness of current hoses, such that the hose of the invention has a reduced weight while the durability and fatigue resistance of the hose is maintained at a sufficiently high value.

A method for producing an elongated product. By an extrusion unit, a material is extruded onto a core of the elongated product as a casing having a predetermined wall strength. Downstream of the extrusion unit and while the material is still moldable, the elongated product is supplied in a conveying direction to a molding unit. A portion of the material is held by the molding unit and, from the held material, a molded part is formed in an integral manner on the casing. The formation of the molded part is thereby carried out in an advantageous manner, via a deformation of material of the casing.