A composite material made of multiple filament bands is disclosed. The filament bands are wound to create a composite material. The filament bands may be impregnated with a solid or semi-solid resin. The filament bands are wound in multiple orientations to form a sheet of composite material. Additionally, the composite material may be made to have a varying number of layer and fiber orientations throughout the sheet of composite material. In another embodiment, a composite component requiring multiple layers and fiber orientations may be substantially manufactured during a filament winding process.

In the production of a tubular fiber arrangement as an intermediate product for a composite part, the local conditions are taken into account in an especially simple and reliable manner with respect to the geometry of the composite part and its load profile. When forming the composite part on a core, the fiber mass supplied during the formation of the tube is proportional to the local circumference of the composite part which results from the diameter. The advancement speed of the core remains substantially constant.

There is provided a system and method for manufacturing continuous strand fiberglass of progressive density with varying skins. Glass media is melted into molten glass within a temperature controlled melter, the molten glass exits the melter through orifices of a bushing plate, which is oriented 6 degrees relative to the axis of a rotating drum. A rotating drum receives the molten glass exiting the bushing plate, and resin and water are applied. The fiberglass media is fed through rollers before it enters a curing oven.

The present invention provides a method for manufacturing a high pressure tank having a reinforcing layer on an outer surface of a hollow liner, the method including: a winding process of winding a fiber bundle containing a curable resin and having a predetermined tension on the outer surface of the liner; and a reinforcing layer forming process of forming the reinforcing layer by curing the curable resin contained in the fiber bundle wound around the outer surface, in which the winding process is performed so that the tension of the fiber bundle is reduced toward an outer circumferential side of the reinforcing layer.

The present invention provides a method for manufacturing a high pressure tank having a reinforcing layer on an outer surface of a hollow liner, the method including: a winding process of winding a fiber bundle containing a curable resin and having a predetermined tension on the outer surface of the liner; and a reinforcing layer forming process of forming the reinforcing layer by curing the curable resin contained in the fiber bundle wound around the outer surface, in which the winding process is performed so that the tension of the fiber bundle is reduced toward an outer circumferential side of the reinforcing layer.

In a machine for forming a hollow body, for example a casing of a solid propellant engine, a tensioned and guided belt comprising a layer of adhesive material and a protective strip is fed from a deposit head, supported by a robot and comprising an unwinding device for unwinding the belt, a winding device for winding the strip, a first pressing roller for pressing the strip and the layer of adhesive material and rotatable about an axis thereof orthogonal to the feed path of the belt and a second pressing roller for pressing the adhesive material and the strip, rotatable about an axis thereof forming an angle other than 90 to the feed path and movable in opposite directions in a direction transversal to feed path.

A dental preform comprises a central portion formed by a plurality of first wire-like elements extending mostly in a first direction, and a first resin. An annular peripheral portion passes round the central portion perpendicularly to the first direction. The peripheral portion comprises second wire-like elements and a second resin. The peripheral portion comprises a plurality of layers arranged on one another perpendicularly to the first direction. Each layer has at least one turn formed by at least one of the second wire-like elements, the at least one second wire-like element presenting a longitudinal direction that is offset with respect to the first direction by an angle comprised between 10 and 80 or between 100 and 170. The second wire-like elements of two consecutive layers present opposite orientations.

A dental preform comprises a central portion formed by a plurality of first wire-like elements extending mostly in a first direction, and a first resin. An annular peripheral portion passes round the central portion perpendicularly to the first direction. The peripheral portion comprises second wire-like elements and a second resin. The peripheral portion comprises a plurality of layers arranged on one another perpendicularly to the first direction. Each layer has at least one turn formed by at least one of the second wire-like elements, the at least one second wire-like element presenting a longitudinal direction that is offset with respect to the first direction by an angle comprised between 10 and 80 or between 100 and 170. The second wire-like elements of two consecutive layers present opposite orientations.

Disclosed are reinforced structures. The structures are comprised of reinforced elements that have continuous fibers embedded in a matrix material. The reinforced elements are combined in a matrix material to form a desired shape of reinforced structure.