A floor board, and a method and apparatus for manufacturing same. The floor board (100) comprises a polyurethane-foam board (110). The polyurethane-foam board (110) is made of a polyurethane foam material foamed from a polyurethane foam raw material. The polyurethane-foam board (110) is provided with a plurality of linear members (120) passing though the polyurethane-foam board in a predetermined direction. The plurality of linear members (120) are arranged at intervals. The polyurethane-foam board (110) is foaming-molded by continuous drawing.

Methods of forming a lightweight reinforced thermoplastic core layer and articles including the core layer are described. In some examples, the methods use a combination of thermoplastic material, reinforcing fibers and bicomponent fibers to enhance retention of lofting agents in the core layer. The processes permit the use of less material while still providing sufficient lofting capacity in the final formed core layer.

The present invention relates to a method for manufacturing a cable comprising at least one elongate electrically conductive element, at least one composite layer surrounding the elongate electrically conductive element, the composite layer comprising a non-woven fibrous material impregnated by a geopolymer material, and at least one polymer sleeve surrounding the composite layer, the method using a tube of plastic material to facilitate the extrusion of the polymer sleeve around the composite layer.

A floor board, and a method and apparatus for manufacturing same. The floor board (100) comprises a polyurethane-foam board (110). The polyurethane-foam board (110) is made of a polyurethane foam material foamed from a polyurethane foam raw material. The polyurethane-foam board (110) is provided with a plurality of linear members (120) passing though the polyurethane-foam board in a predetermined direction. The plurality of linear members (120) are arranged at intervals. The polyurethane-foam board (110) is foaming-molded by continuous drawing.

Methods of forming a lightweight reinforced thermoplastic core layer and articles including the core layer are described. In some examples, the methods use a combination of thermoplastic material, reinforcing fibers and bicomponent fibers to enhance retention of lofting agents in the core layer. The processes permit the use of less material while still providing sufficient lofting capacity in the final formed core layer.

A fiber-reinforced rigid polyurethane foam composite railway sleeper with high fiber content and a manufacturing method thereof. The railway sleeper is formed by bonding a plurality of fiber-reinforced rigid polyurethane foam composite boards with high fiber content by a binder, and the outer surface of the railway sleeper is provided with an anticorrosive paint film. The fiber-reinforced rigid polyurethane foam composite boards with high fiber content include a polyurethane resin as a matrix material and a fiber as a reinforcing material. The problem of insufficient impregnation of the polyurethane and the fiber is solved by using a plurality of technical means such as using a mixed polyether polyol having a low hydroxyl value and a low functionality, using a coupling agent, etc., thus a fiber-reinforced rigid polyurethane foam composite product having a density higher than 840 kg/m.sup.3 and a fiber content greater than 60% is manufactured.

Methods of forming a lightweight reinforced thermoplastic core layer and articles including the core layer are described. In some examples, the methods use a combination of thermoplastic material, reinforcing fibers and bicomponent fibers to enhance retention of lofting agents in the core layer. The processes permit the use of less material while still providing sufficient lofting capacity in the final formed core layer.

A fiber-reinforced rigid polyurethane foam composite railway sleeper with high fiber content and a manufacturing method thereof. The railway sleeper is formed by bonding a plurality of fiber-reinforced rigid polyurethane foam composite boards with high fiber content by a binder, and the outer surface of the railway sleeper is provided with an anticorrosive paint film. The fiber-reinforced rigid polyurethane foam composite boards with high fiber content include a polyurethane resin as a matrix material and a fiber as a reinforcing material. The problem of insufficient impregnation of the polyurethane and the fiber is solved by using a plurality of technical means such as using a mixed polyether polyol having a low hydroxyl value and a low functionality, using a coupling agent, etc., thus a fiber-reinforced rigid polyurethane foam composite product having a density higher than 840 kg/m.sup.3 and a fiber content greater than 60% is manufactured.

A method is provided for manufacturing a seamless, reinforced panel of any desired length using a single mold. The seamless panels of the present invention may be used in a variety of construction application. In one embodiment, the method includes inserting at least a portion of a plurality of lattice trusses into a mold having an axial length, inserting a first filler material into the mold, the first filler material encapsulating at least a portion of the plurality of lattice trusses to form a panel segment, translating the panel segment a linear distance, the linear distance less than the axial length of the mold such that a portion of the panel segment remains in the mold, and inserting a second filler material into the mold, the second filler material intermixing with the portion of the panel segment remaining in the mold to form a seamless panel.

Methods of forming a lightweight reinforced thermoplastic core layer and articles including the core layer are described. In some examples, the methods use a combination of thermoplastic material, reinforcing fibers and bicomponent fibers to enhance retention of lofting agents in the core layer. The processes permit the use of less material while still providing sufficient lofting capacity in the final formed core layer.