A multi-material assembly is provided, as well as methods of making a multi-material assembly. The multi-material assembly includes a first coated structural component and a second structural component. The first coated structural component includes a first uncoated portion, and an adhesive is positioned between the second structural component and the first uncoated portion that secures the first coated structural component to the second structural component.

Disclosed is an apparatus, a kit, and a method for repairing a sump wall pipe fitting. The apparatus may comprise first and second fitting halves for repairing a penetration fitting for a sump wall, the fitting halves having a semi-annular flange with a seal plate adapted to be sealed to the sump wall; at least one semi-cylindrical cuff that extends axially outward from surface of the semi-annular flange opposite the seal plate; and a semi-annular rib that extends radially inward from the semi-annular flange spaced at a distance between the seal plate and a rim of the at least one semi-cylindrical cuff. A dispensed bonder may also be included.

A water comprising, two component polyurethane dispersion adhesive comprising an anionic polyester polyurethane resin and a solvent-free liquid aliphatic polyisocyanate cross-linker. The dispersion can be reactivated one or more times for edge bonding a flexible sheet material onto a substrate having a main surface, a peripheral surface and an edge connecting the main surface and the peripheral surface.

Method for bonding a thermoplastic piping system (1) without the use of solvent-based adhesives, the piping system (1) comprising at least one first pipe or fitting part (11), and at least one second pipe or fitting part (12), which comprises the steps of i) applying a cyanoacrylate adhesive (2) onto at least one surface of the at least one first pipe or fitting part (11), or at least one second pipe or fitting part (12), ii) inserting together the at least one first pipe or fitting part (11), and the at least one second pipe or fitting part (12) before an open time lapses, iii) removing the excess of cyanoacrylate adhesive (2), iv) allowing the adhesive to cure. Associated adhesive for bonding a thermoplastic piping system (1) without the use of solvents, comprising a cyanoacrylate monomer (21), a polymerization inhibitor, a viscosity thickener, and a curing speed adjusting catalyst.

A packaging method and a display device are disclosed. The packaging method includes: packaging a display element on a substrate having the display element disposed thereon to form a package covering the display element, wherein a first substance is disposed on at least a part of the substrate inside the package, the first substance including thermite; and initiating the first substance to obtain a second substance including a product of the thermite reaction.

Provided are a polyarylene sulfide resin composition which can provide a composite molded article; a molded article produced from the polyarylene sulfide resin composition; and methods respectively for producing the polyarylene sulfide resin composition and the molded article thereof. More specifically provided are a composite molded article obtained by bonding a molded article which is produced by molding a polyarylene sulfide resin composition and is subjected to an annealing treatment to a cured product produced from a curable resin composition containing an epoxy resin, wherein the polyarylene sulfide resin composition contains, as essential components, an epoxy resin and an olefin wax containing a carboxyl group and a carboxylic acid anhydride group and having an acid value of 65 to 150 [mgKOH/g]; a polyarylene sulfide resin composition for providing the composite molded article; a molded article; and methods respectively for producing the aforementioned products.

A component comprising a first concentric element and a second concentric element is disclosed. The first and second concentric elements are positioned relative to each other in the positions in which they are to be bonded together. The first concentric element comprises a first bonding portion (48) with a first bonding face (50), and the second concentric element comprises a second bonding portion (58) with a second bonding face (60), a first passage (62), and a second passage (64). The second bonding portion (58) partially surrounds the first bonding portion (48) and the first and second bonding faces (50, 60) face each other. The first and second bonding faces (50, 60) comprise a first and second void face (56, 61) respectively. Collectively the first and second bonding faces (50, 60) comprise an alpha plug (52) having an alpha plug face, a beta plug (54) having a beta plug face, an alpha bearing face, and a beta bearing face, in which the alpha plug face is in sliding contact with the alpha bearing face and the beta plug face is in sliding contact with the beta baring face, the alpha plug (52) is integral with one of the first or second void faces (56, 61) and the alpha bearing face is integral with the other of the first or second void faces (56, 61), the beta plug (54) is integral with one of the first or second void faces (56, 61) and the beta bearing face is integral with the other of the first or second void faces (56, 61), and the alpha and beta plugs (52, 54) and first and second void faces (56, 61) collectively define a void. The first and second passages (62, 64) each extend through the second concentric element from a mouth which opens onto the void to a mouth in an accessible surface of the second concentric element.

A vehicle member joining structure has: a metal member that is part of a vehicle; a resin member that is adjacent to the metal member; and an adhesive that is provided between the metal member and the resin member and joins the metal member to the resin member, the adhesive having an elastic modulus that is lower than elastic moduli of the metal member and the resin member, wherein, given that (i) L is a difference in linear expansions of the metal member and the resin member at a time of heating in a drying process after application of the adhesive, (ii) T.sub.0 is a thickness of the adhesive and (iii) T.sub.1 is a length of an end surface of the adhesive, the following predetermined relational expression is satisfied
T.sub.1.sup.2=T.sub.0.sup.2+L.sup.2.

A method of bonding a metal fitting to a polyurethane structure, the method comprising abrading a surface of the metal fitting with an abrasive; cleaning the metal fitting with a solvent; cleaning a surface of the polyurethane structure with an alcohol; applying a primer to the surface of the metal fitting; applying an adhesive to the surface of the metal fitting and the surface of the polyurethane structure; applying a liquid polyurethane compound to the surface of the metal fitting and the surface of the polyurethane structure; and pressing the surface of the metal fitting against the surface of the polyurethane structure to form an assembly. The primer can comprise a first resin and a first catalyst in a ratio of about 1.1 to 1; the adhesive can comprise a second resin and a second catalyst in a ratio of about 3 to 1; and the liquid polyurethane compound can comprise a third resin and a third catalyst in a ratio of about 10 to 1.

A functional element of metal having a flange of larger diameter from an attachment surface and a centering section arranged inside the attachment surface and extending away from the flange, characterized in that an adhesive is arranged around the cylindrical section and adjacent to the attachment surface.