B29K2105/10

Apparatus and method for producing a fiber-reinforced injection molded component

An apparatus for producing a fiber-reinforced injection molded component includes an injection mold half with a mold cavity and a receiving chamber open to the mold cavity. A band section of a fiber-reinforced plastics band is fed into the receiving chamber through a feed channel and a first clamping device arranged in an initial region of the receiving chamber and a second clamping device arranged in an end region of the receiving chamber clamp the fiber-reinforced plastics band section within the receiving chamber. A first cut-through device arranged in the initial region of the receiving chamber and a second cut-through device arranged in the end region of the receiving chamber cut the band section such that an injection molded component formed in the cavity of the mold includes the cut fiber-reinforced plastics band section and a fiber-reinforced injection molded component is provided.

METHOD FOR IMPREGNATING A FIBROUS MATERIAL IN AN INTERPENETRATED FLUIDIZED BED

Manufacture of a pre-impregnated fibrous material which contains continuous fibers and a thermoplastic matrix, the material being made as a plurality of unidirectional parallel ribbons or sheets, and the method involving a step of pre-impregnating, in dry conditions, N parallel strands divided into X groups of Ni strands, by the thermoplastic matrix in powder form in a tank, ΣNi=N et X 3, one thereof from each series being immersed in the powder, each group of strands running on the same number Y of tensioning parts, and the parallel strands being separated by a spacing at least equal to the width of each strand.

METHOD FOR PRODUCING FRP PRECURSOR

Provided is a production method of an FRP precursor. The method includes: a pre-coating step of applying a resin varnish having a filler content of 5 vol % or less in a solid content thereof, to a sheet-shaped aggregate, and a melt-pasting step of melt-pasting a pair of resin films, each having a filler content of 30 vol % or more, to both surfaces of the aggregate, after the pre-coating step.

Apparatus for Cross-Sectionally Shaping a Multiplicity of Plastics Fibre Bundles Guided in Parallel
20220212368 · 2022-07-07 ·

The invention relates to an apparatus for cross-sectionally shaping a multiplicity of plastics strands guided in parallel alongside one another over at least one rotatable shaping roller (18, 19, 20), in which the shaping roller is provided on its surface with a plurality of encircling shaping recesses which are arranged in parallel and in which the cross section of the plastics strands is shapeable in accordance with the cross-sectional shape of the shaping recesses, wherein preferably three shaping rollers (18, 19, 20) of the same type for sequentially shaping the plastics strands are arranged transversely to the running path of the plastics strands, wherein the plastics strands are guided between a pair of two successive shaping rollers (19, 20) on a first side of the plastics strands and a third shaping roller (18), which is arranged, between the first (19) and second shaping roller (20) of the pair of shaping rollers, on the second side of the plastics strands in the running direction of the plastics strands, and the shaping rollers are mounted in lateral guide plates by means of quick-change apparatuses.

Composite material rework parts and methods of making composite rework parts

Methods, apparatuses and systems are disclosed for making and applying composite material rework parts to rework composite substrates by partially forming a composite material rework part before staging the rework part onto the composite substrate. An approximate geometry is imparted to the partially formed rework part, with the final composite material rework part geometry imparted by the composite substrates requiring rework, as the rework part is finally shaped and cured in situ on the composite substrate.

GLASS MULTIPLE-PLY ROVING, RANDOM MAT FOR FORMING THERMOPLASTIC COMPOSITE MATERIAL, AND GLASS-FIBER-REINFORCED THERMOPLASTIC RESIN SHEET
20220258435 · 2022-08-18 ·

Provided is a glass multiple-ply roving that is excellent in impregnation quality of a thermoplastic resin for a random mat and workability in production of a random mat, and can impart excellent strength to a thermoplastic composite material. The glass multiple-ply roving includes a plurality of glass strands, wherein the weight of the glass strands, S, is in the range of 64 to 210 tex, the fiber diameter of the glass strands, D, is in the range of 9.0 to 18.0 μm, the ignition loss of the glass multiple-ply roving, L, is in the range of 0.55 to 0.94%, and the S, D, and L satisfy the following formula (1):


4.10≤1000×S.sup.1/2/(D.sup.3×L.sup.3)≤7.10  (1).

APPARATUS FOR MANUFACTURING PIPE FOR COWL CROSSBAR AND METHOD OF MANUFACTURING PIPE FOR COWL CROSSBAR USING THE SAME
20220266482 · 2022-08-25 · ·

An apparatus for manufacturing a pipe for a cowl crossbar, which is disposed inside a vehicle body in a lateral direction. The apparatus includes a first extruder to receive a pipe material made of polypropylene (PP) and to extrude the pipe material made of PP; a second extruder to receive the pipe material made of PP extruded from the first extruder and a pipe material made of long glass fiber (LGF), and to extrude a pipe material made of PP and LGF; a first compression molding machine to compress the pipe material made of PP and LGF extruded from the second extruder and to form a first pipe semi-finished product; and a second compression molding machine to compress the pipe material made of PP and LGF extruded from the second extruder and to form a second pipe semi-finished product.

Device and method for impregnating individual fibers, individual threads, or individual rovings
11273578 · 2022-03-15 · ·

Described herein is a device for impregnating individual fibers, individual threads, or individual rovings with a matrix material, including a porous material that is soaked with the matrix material, and a metering installation for metering matrix material into the porous material, where an installation by way of which the individual fiber to be impregnated, the individual thread to be impregnated, or the individual roving to be impregnated can be pressed against an end face of the porous material is included, or where the porous material is received in a sleeve and the individual fiber, the individual thread, or the individual roving can be guided through the porous material in the sleeve. Also described herein is a method for producing a component from impregnated individual fibers, individual threads, or individual rovings.

Apparatus and method for three-dimensional printing of continuous fibre composite materials

An apparatus and method for three-dimensional printing of composite materials of continuous fibre, in which a feed head for feeding a compound material of continuous fibre is moved so as to print a three-dimensional object; a means for relative movement between the feed head and the three-dimensional object exerts a drawing force on the compound material of continuous fibre, so as to bring about the feeding of the material; this material is realized at a station arranged upstream of the feed head.

Calendering facility for reinforcement plies for tires

Calendering installation for the production of a reinforcing ply (600) for a tire, which has a frame (100), two extruders (200, 300) for feeding elastomer material, a reinforcing-thread feeding device (400), a calender (500) having a first pair of counter-rotating rollers, with a first working roller (52) and a first shaping roller (51), and a second pair of counter-rotating rollers, with a second working roller (53) and a second shaping roller (54), wherein a calendaring nip (59) is formed between the working rolls (32, 53) in order to receive a first calendered rubber ply (57) delivered by the first pair of rollers (51, 52), a second calendered rubber ply (58) delivered by the second pair of rollers (53, 54), and the reinforcing threads (45) in order to supply the calendered reinforcing ply (600), which is conveyed to the outlet of the installation via GUIDE ROLLERS (62, 63). According to the invention, the two extruders (200, 300) are superposed and arranged on either side of a horizontal plane P extending at the level of the guide rollers (62, 63).