A wetout box apparatus is comprised of a breaker container, a first insert member, a second insert member, and a plurality of breaker bars. The breaker container is to store a volume of resin therein, the breaker container including a first slot and a second slot that allow a mat to enter and exit the breaker container, respectively. The first insert member is to be disposed within the breaker container on a first side of the breaker container. The second insert member is to be disposed within the breaker container on a second side of the breaker container. The plurality of breaker bars are coupled to the first and second insert members, the plurality of breaker bars forming a snaking path for the mat between the first slot and the second slot.

The present invention relates to a method of coating a polyurethane pultrusion composite material, comprising: a) preparing a polyurethane pultrusion composite material by a polyurethane pultrusion process, the polyurethane pultrusion process comprising: impregnating a fiber reinforcing material with polyurethane resin, and then curing the impregnated fiber reinforcing material in a mold to provide a polyurethane pultrusion composite material; and b) drawing the polyurethane pultrusion composite material to leave the mold, and then on-line applying waterborne coating(s) to the polyurethane pultrusion composite material at a temperature ranging from 30 to 90° C. The method according to the present invention can achieve a good coating to the polyurethane pultrusion composite material.

A device for producing a pultruded article is provided with: a mold in which an intermediate molded article comprising reinforcing fibers impregnated with a thermosetting resin is heated and hardened; and a pultrusion device that causes a pultruded article generated by heating and hardening the intermediate molded article in the mold to be pultruded from the mold. The mold comprises a pressing member that is elastically deformable and that presses the intermediate molded article.

A multifunctional supporting rod of vehicle components of commercial vehicles, such as road implements, including, e.g., rods useful in supporting of vehicle components like fender, wings, rearview mirrors, lighting devices for commercial vehicles and similar, among other parts. In one aspect, the rod includes an integrated shock absorber for vibrational efforts and load in rod itself, comprising structural composite material, which provides improved dampen of mechanic-dynamic efforts and improved mechanic responses, reducing structural fatigue. In other aspect, the rod provides higher resistance to efforts, less material amount, and provides a mode of incomplete failure in predetermined location, avoiding loss of components during a structural failure generated from use. In another aspect, the rod has low weight/mass, provides gain of payload of commercial vehicle, and economy of energy/fuel.

The present invention relates to manufacturing of a non-metallic armature. More particularly, the present invention relates to thread squeezing devices and to forming of a composite armature rod. There is provided a moulding assembly allowing sequential forming of a rod and squeezing of threads after passing an impregnating bath. There is provided a production line moulding assembly for manufacturing a non-metallic armature, the moulding assembly comprising a thread squeezing assembly and further comprising at least two sequentially arranged rows of dies (100, 120, 130); wherein each row of dies comprises at least one die (101, 102, 103, 104, 105, 106, 121, 122, 123, 131); wherein each die includes a hole configured to pass adhesive-impregnated roving threads therethrough; as roving threads pass, a number of dies for passing roving threads in each subsequent row of dies is less than that of dies in a preceding row of dies, and a cross-sectional area of separate dies increases or remains; at least some of dies are provided with heating elements. A technical effect provided by the invention is an increased produceability of the moulding assembly and an improved strength of the manufactured armature rod.

A method of manufacturing a coated article comprises injecting a feedstock with a polymer resin to provide a resin-injected feedstock, pulling the resin-injected feedstock through a pultrusion die to form a pultrusion substrate having one or more profile surfaces, adhering an adhesive material comprising a thermoplastic polyurethane onto at least a portion the one or more profile surfaces to form one or more adhesive tie layers on the pultrusion substrate, and applying one or more coating materials onto the one or more adhesive tie layers to form one or more coating layers on the one or more adhesive tie layers to provide a coated pultrusion article, wherein an adhesion strength between the one or more coating layers and the one or more adhesive tie layers is higher than a corresponding adhesion strength would be between the one or more coating layers and the pultrusion substrate.

The present invention relates to a method of manufacturing a wind turbine rotor blade, to a wind turbine rotor blade obtainable by said method, to a pultrusion process for producing an elongated preform (97) for embedment in a wind turbine rotor blade and to an elongated preform (97) obtainable by said process. The blade manufacturing process involves a pultrusion process to obtain the preform (97), embedding the preform (97) within one or more parts of the blade, infusing a resin into said one or more blade parts containing the preform (97), and assembling the rotor blade including said one or more blade parts.

Bio-composite pultruded products (100, 104, 107, 110, 114, 117) either in “I” profile or “Plate” profile of higher cross sectional area where said products consisting essentially natural fibres selected from hemp, jute, sisal and. flex as core impregnated with a resin system comprise of at least one resin, curing system comprising a curing agent and an accelerator, a filler, a thinner, pigment or any other additives; encapsulated between bi-directionally and/or uni-directionally oriented synthetic fabric selected from polyester, carbon, aramid, glass, basalt and mixtures thereof impregnated with said resin system are provided. in another bio-composite pultruded products either of “I” profile or “Plate” profile of higher cross sectional area where said products consisting of plank of short fibers bagasse premixed with the said resin system as core is enclosed between the natural fibers selected from hemp, jute, sisal and flex impregnated with the resin system which is further enclosed between bi-directionally and/or uni-directionally oriented synthetic fabric selected from polyester, carbon, aramid, glass, basalt and mixtures thereof impregnated with the resin system. The system and method for the preparations of said bio-composite pultruded products, are also illustrated herein. These products lead to a significant reduction in weight and reduction in density with higher stiffness and bending strength. The present bio-composite products are encapsulated by fabrics in the peripheral area brings more integrity uniformity of jute materials. This leads to a significant cost reduction in a without sacrificing much tensile strength.

A system (15) for manufacturing a reinforcing element (1) for reinforced concrete comprises a feeder (16) of a reinforcing fiber bundle (2) along a pultrusion path (4), an impregnating device (17) which impregnates the reinforcing fiber bundle (2) with a liquid thermoplastic polymeric resin (6) to obtain an impregnated fiber bundle (2), a forming channel (8) through which the impregnated fiber bundle (2) is conducted, a solidification device (19) of the composite thread (9) forming a solidified thermoplastic fiber-reinforced bar (11), a pulling device (20) which holds the reinforcing fiber bundle (2) taut along the pultrusion path (4), a winder (21) which winds the solidified bar (11) to form a coil (14), a provisional bending device (22) which bends the composite thread (9) not yet solidified or heats the solidified bar (11) to soften it, bends the heated bar (11) and then cools the bar (11) to solidify it again, so as to confer a continuous provisional curvature to the solidified bar (11) in the direction of the subsequent winding in the coil (14).

The present invention relates to a system for producing structural profiles by means of continuous fibre braiding, which comprises: a machine for braiding fibres around a mandrel, the forward movement of which defines a longitudinal axis of the system; a module for injecting resin into the braided fibres; a module for curing the resin-impregnated fibres; a device for inserting and removing the mandrel; and a device for pulling the profile, wherein the braiding machine is a dual braiding machine connected to a respective fibre-reloading machine.