Disclosed is a method of resistance welding between composite articles. A conductive element is provided between faying surfaces, having a plurality of lower resistivity electrode portions spaced apart along the length of the contact area between the composite articles. The electrode portions can be used to spot weld across the electrode portions, and along a longitudinal portion of the conductive element between the electrode portions by application of an electrical current. Also disclosed are apparatus for use in the resistance welding methods and composite articles and structures and elements incorporating the conductive element.

A squeegee device for applying a film material to a surface includes a selection of squeegee card components formed of a rubber, rubberized plastic or other rubber-like composition; the selection of squeegee card components being provided in varying degrees of hardness (i.e., durometer) and each squeegee card component including a blade portion with a working edge having a specific length and configuration (e.g., straight, curved, V-shaped) and an attachment portion structured for cooperating interlocked attachment with the attachment portion of another select one of the squeegee card components to provide a double-sided squeegee card with interchangeable card components having two different working edges which may be the same or different length, shape and/or hardness and the same or different durometer.

A maleimide based copolymer, manufacturing method thereof, and a resin composition using the maleimide based copolymer is provided. A maleimide based copolymer includes 40 to 60 mass % of aromatic vinyl monomer unit, 5 to 20 mass % of vinyl cyanide monomer unit, 25 to 50 mass % of maleimide monomer unit, 0.1 to 10 mass % of dicarboxylic anhydride monomer unit; wherein the maleimide based copolymer has a glass transition temperature of 165 to 200° C.; and an average number of the dicarboxylic anhydride monomer unit contained in one copolymer molecule is 1 to 30 units. Further, a resin composition is obtained by kneading and mixing the maleimide based copolymer with one or two or more resin selected from the group including ABS resin, ASA resin, AES resin, and SAN resin. The resin composition is superior in the balance of surface glossiness, heat resistance, impact resistance, and flowability.

[Problem] To suppress changes in the recess depth and shape of a three-dimensional molded shape, and to form a uniform protective layer or ornamental layer along the surface of the molded shape. Also, to provide uniform application to the entire irregularly-formed surface and to suppress air pockets and partial defects of bonding. [Solution] In an adherend W having a three-dimensional molded portion in which a plurality of concavities and/or convexities are molded in a regular arrangement, a thermoplastic coating film larger than the area of an adhesion region is integrally adhered by a three dimensional decorative molding procedure in a predetermined adhesion region that includes the three-dimensional molded portion. The predetermined adhesion region includes all of the three-dimensional molded portion and covers more than half the perimeter of the adherend W in center cross-sectional view.

A required weld strength is ensured even when the shape of a first resin member is formed in a desired design shape. A lamp lens and a lamp housing are provided. The lamp lens and the lamp housing are fixed to each other by welding under pressure. The lamp lens includes a body portion, a leg portion, and a welding portion. As a result, a required weld strength is ensured even when the shape of the body portion of the lamp lens is shaped in a desired design shape.

Provided are a molded article excellent in a Charpy impact strength and a method of producing the same. A molded article contains a methacrylic resin composition containing at least one methacrylic resin, in which a pencil hardness is 2 H or higher, and a craze formation time is 19 seconds or longer, the craze formation time being measured by sequentially performing the following steps 1) to 5): 1) preparing a test piece that is a strip-shaped molded article, the test piece having a through-hole provided on one end side in a longitudinal direction; 2) heating and drying the test piece; 3) clamping the other end side of the test piece in the longitudinal direction and fixing the test piece to a fixing table so that extending directions of an upper surface and a lower surface of the test piece coincide with a horizontal direction; 4) applying ethanol one or more times to a predetermined region of the upper surface while generating a surface stress on the upper surface by applying a load calculated by a specific equation in a vertical direction at a position where the through-hole of the test piece is provided, and maintaining a state in which the ethanol is applied; and 5) obtaining the craze formation time by measuring a time from the start of the application of the ethanol to the formation of the craze in the test piece.

A motor vehicle component with a lighting function includes a laminate component having a first fiber-reinforced composite material and a second fiber-reinforced composite material, the first fiber-reinforced composite material being electrically insulating and the second fiber-reinforced composite material being electrically conductive. The motor vehicle component also includes a light source which is at least partially embedded in the first fiber-reinforced composite material. The light source is electrically conductively connected to the second fiber-reinforced composite material, and the second fiber-reinforced composite material has a light exit region from which light emitted by the light source can exit so that it can be seen from outside the motor vehicle component.

Provided are a polyphenylene ether resin composition having excellent fluidity and heat resistance, and a vehicle lighting fixture bezel formed of this resin composition and having light weight, excellent external appearance, and low water absorbency. The resin composition contains: (A) 42-57 mass % of a polyphenylene ether resin having a reduced viscosity of 0.39-0.43 dL/g (in chloroform solvent at 30° C.); (B) 11-26 mass % of a polyphenylene ether resin having a reduced viscosity of 0.31-0.34 dL/g (in chloroform solvent at 30° C.); (C) 9-15 mass % of a block copolymer including a vinyl aromatic hydrocarbon polymer block (c1) and a hydrogenated conjugated diene polymer block (c2); and (D) 15-23 mass % of a homopolymer of a vinyl aromatic hydrocarbon. The (C) block copolymer includes 62-70 mass % of vinyl aromatic hydrocarbon-derived monomer units, has a weight-average molecular weight Mw of 50,000-70,000, and has a molecular weight distribution Mw/Mn (Mn is number-average molecular weight) of 1.00-1.30.

A polyvinyl chloride composition for powder molding includes 100 parts by mass of a polyvinyl chloride, 120 parts by mass or more and 200 parts by mass or less of a polyester-based plasticizer, and 4 parts by mass or more and 23 parts by mass or less of an acrylic polymer. The polyvinyl chloride has an average particle diameter of 50 μm or more and 500 μm or less and an average degree of polymerization of 1,700 or more. The acrylic polymer contains 40 mass % or more and 95 mass % or less of a constitutional unit derived from methyl (meth)acrylate, and 5 mass % or more and 60 mass % or less of a constitutional unit derived from at least one (meth)acrylic ester selected from the group consisting of a (meth)acrylic ester of an aliphatic alcohol having two or more carbon atoms and a (meth)acrylic ester of an aromatic alcohol.

A method for manufacturing a lightweight cowl crossbar includes: producing an inner pipe, laminating a plurality of composite material layers wound around the inner pipe, and extruding an outer pipe on the winding layer, in which the plurality of composite material layers adjacent to each other are wound in different directions.