B29C70/74

Overmoulding by 3D printing

A method for manufacturing a thermoplastic component for fuel systems or SCR systems includes the following steps: (1) molding and/or forming of a thermoplastic substrate from a first thermoplastic material, and (2) three-dimensional printing of a second thermoplastic material onto a first area of the thermoplastic substrate obtained after step (1). The first thermoplastic material of the thermoplastic substrate and the second thermoplastic material have a chemical compatibility.

Overmoulding by 3D printing

A method for manufacturing a thermoplastic component for fuel systems or SCR systems includes the following steps: (1) molding and/or forming of a thermoplastic substrate from a first thermoplastic material, and (2) three-dimensional printing of a second thermoplastic material onto a first area of the thermoplastic substrate obtained after step (1). The first thermoplastic material of the thermoplastic substrate and the second thermoplastic material have a chemical compatibility.

Liquid epoxy brush barrier

An electrical fitting including a body having an inner cavity for receiving a plurality of conductors, the inner cavity including a first portion extending to a first exterior opening and a second portion extending to a second exterior opening, and a brush barrier positioned within the inner cavity between the first portion and the second portion, the brush barrier including an outer edge and a plurality of bristles extending inwardly from the outer edge, the bristles being displaceable by the conductors, wherein the electrical fitting is configured to receive a sealing compound within the first portion of the inner cavity between the first exterior opening of the first portion and the brush barrier, the sealing compound being at least partially prevented from propagating into the second portion of the inner cavity by the brush barrier.

Composite rail tie apparatus and method
11345100 · 2022-05-31 ·

A railroad crosstie (tie) may be fabricated from a composite material including a fiber reinforced polymer shell manufactured by pultrusion or other process, and filled by a suitable material, typically selected from expanded elastomeric polymer (such as polyurethane resin or other polymer), concrete, lightweight concrete formed by conventional aggregate, sand, cement, water, and an ultra light filler such as natural materials, sawdust, beads of expanded polymer such as expanded polystyrene, microspheres of glass or plastic, a recycled wooden tie in conjunction with any of the above, or the like. Fasteners may be driven such as spikes, threaded, such as screws, lag screws, spreading screws, rivets, or the like into apertures, pilot holes, or directly into fill absent apertures therein.

FLUID CONVEY TUBING SYSTEM FOR WIND TURBINE ROTOR BLADE
20220154686 · 2022-05-19 ·

Provided is a method of manufacturing at least a portion of rotor blade for a wind turbine, the method including: casting at least a portion of an rotor blade outer surface using a casting material thereby at least partially embedding at least one fluid convey tube into the casting material, the fluid convey tube being provided for conveying fluid into or out of a deformable container for adjusting an adjustable flow regulating device of the rotor blade.

STIFFENED PART FORMED FROM A THERMOSET COMPOSITE MATERIAL WITH A BOXED STRUCTURE AND MANUFACTURING METHOD

A stiffened part formed from at least two members of thermoset composite material including at least one body of a first structure and optionally a second structure. A manufacturing method includes: forming a fibre preform and impregnating each body of the first structure with thermosetting resin or forming a pre-impregnated fibre preform to obtain a body formed from uncured thermosetting composite material supported by a mandrel; optionally partially or fully polymerising at least one body supported by a mandrel; optionally, providing the second structure formed from uncured, partially uncured or fully uncured thermosetting composite material; optionally, depositing a layer of uncured thermosetting adhesive on an area where a fully cured member makes contact with another member of the part; joining the members, each member being juxtaposed with; or stacked upon, at least one other member; fully curing the assembly by heat treatment; removing the mandrel from each fully cured body.

THERMOPLASTIC ACOUSTIC BLOCKER DOOR
20220145828 · 2022-05-12 · ·

A thrust reverser blocker door includes a body portion and a mounting structure coupled to the body portion. The body portion includes a facesheet, a backsheet, and a honeycomb core. The facesheet and/or the backsheet comprises a first thermoplastic material and the mounting structure comprises a second thermoplastic material. A method for manufacturing a thrust reverser blocker door may comprise thermoforming a sandwich panel comprising a facesheet, a backsheet, and a honeycomb core. The method may further comprising overmolding a mounting structure onto the backsheet. The first thermoplastic material may comprise a continuous fiber reinforced thermoplastic composite material. The second thermoplastic material may comprise a discontinuous fiber reinforced thermoplastic composite material.

PULTRUSION WITH EXTRUDED GASKET FOAM
20220145000 · 2022-05-12 ·

The present teachings generally provide a system comprising a pultruded profile and a two-part system with a first component including one or more epoxy resins and a second component including one or more phosphate esters such that mixing the first component and second component forms an activatable material that activates at a temperature of about 0° C. to about 50° C. The activatable material is extruded onto the pultruded profile such that residual heat from pultrusion in the pultruded profile activates the activatable material.

METHOD FOR FORMING THREE-DIMENSIONAL STRUCTURES WITH DIFFERENT MATERIAL PORTIONS
20220118725 · 2022-04-21 · ·

A system and method for forming 3D printed structures includes one or more anchor portions on a base component. Additional materials can be printed on or adjacent to the anchor portions to provide additional structural components bonded to the anchor portions. These structures can be printed on, and can be a part of, a base component of an article of apparel.

APPARATUS AND METHODS FOR REPAIRING COMPOSITE LAMINATES

The disclosure discloses apparatus and methods for repairing defects such as porosity and/or edge delamination in composite laminates by infusion of flowable matrix material. In some embodiments, methods disclosed herein comprise infusing the flowable matrix material into a space in the composite laminate through the use of a formed hole extending at least partially through the composite laminate. In some embodiments, methods disclosed herein comprise infusing the flowable matrix material into a space in the composite laminate in a stepwise manner in order to obtain more complete filling of such space.