B29C66/026

Multilayer fluidic devices and methods for their fabrication

A fluidic device including an inorganic solid support attached to an organic solid support by a bonding layer, wherein the inorganic solid support has a rigid structure and wherein the bonding layer includes a material that absorbs radiation at a wavelength that is transmitted by the inorganic solid support or the organic solid support; and a channel formed by the inorganic solid support and the organic solid support, wherein the bonding layer that attaches the inorganic solid support to the organic solid support provides a seal against liquid flow. Methods for making fluidic devices, such as this, are also provided.

METHOD FOR MANUFACTURING AUTOMOTIVE GLASS WITH MEMBER, AND SUPERHEATED STEAM CHAMBER USED IN MANUFACTURING OF AUTOMOTIVE GLASS WITH MEMBER

Provided is a method for producing automotive glass with a member having a U-shaped cross section in a highly efficient and space-saving manner. The present invention relates to a method for producing automotive glass with a member by curing an adhesive for bonding an adherend 21 having a U-shaped cross section to an edge portion 20a of automotive glass 20, using a superheated steam generator 1. The superheated steam generator 1 includes a boiler part 2 for generating steam, a superheating unit 3 for superheating steam generated in the boiler part 2, and a superheated steam chamber 10 having a groove portion 111 for covering the edge portion 20a of the automotive glass 20 and including superheated steam ejection portions 12 for ejecting superheated steam supplied from the superheating unit 3. The step of curing the adhesive comprises covering the edge portion 20a of the automotive glass 20 together with the adherend 21, with the groove portion 111 of the superheated steam chamber 10, and spraying superheated steam to the adherend 21 from both sides of automotive glass 20 from the superheated steam ejection portions 12.

METHOD OF MANUFACTURING COMPOSITE MEMBER AND THE COMPOSITE MEMBER

A method of manufacturing a composite member including an aluminum member and a resin member bonded to each other, the method including: performing blasting on a surface of the aluminum member; modifying the surface of the aluminum member into aluminum hydroxide, the modifying including causing the surface of the aluminum member having undergone blasting to react with water by using at least one of heat and plasma; and directly bonding the resin member to the surface of the aluminum member modified to the aluminum hydroxide.

Method for bonding metal and resin and metal resin bonded body

A direct bonding method of metal and resin comprises a first step where the metal material is subjected to electrolytic treatment by using a carboxylic acid to form a new surface, which is then coated with the carboxylic acid to obtain a carboxylic acid-coated metal material; a second step where the resin material and the carboxylic acid-coated metal material are laminated to form an interface to be bonded; a third step where the interface is heated to Tg of the resin material or higher by heating means to remove water from the interface, the decomposition of the resin material generates a carboxyl group, and the new surface is exposed on the surface of the carboxylic acid-coated metal material by removal of the carboxylic acid; and a fourth step where the interface is cooled below the Tg to form a bonded part by bonding the carboxyl group and the new surface.

Amalgamation joining methods and apparatuses

A method or apparatus for joining a first component to a second component with an amalgamation plate includes heating the first component, the second component, the amalgamation plate, or combinations thereof, with either a joining tool or a heating element. The components are attached to the amalgamation plate with the joining tool, such that the first component, amalgamation plate, and the second component are fixedly attached to one another, and the amalgamation plate may be substantially surrounded by the first component and the second component, such that it is hidden from exposure. Portions of the amalgamation plate may be embedded into the components via rotation and/or linear force. A portion of the amalgamation plate may be recessed within the joining tool or an anvil before attaching the amalgamation plate to the either component.

Component device and method for detecting damage in a bonding adhesive of the component device

The disclosure relates to a component device, in particular for a primary supporting component of an aircraft, which comprises a first component element, a second component element, a bonding providing a connection between the first component element and the second component element, a marker substance device configured to dispense a volatile marker gas to the environment when in contact with the surrounding air and being hermetically sealed from the surrounding air by the first component element, the second component element, and/or the bonding if the bonding is not damaged, and a detector device configured to detect the marker gas dispensed by the marker substance device.

Polyurethane bonding process for fuel bladders
10723083 · 2020-07-28 · ·

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.

Method, device and synthesis element for connecting an edge material to a workpiece

Disclosed is a method for connecting a connecting face of an edge material to a connecting face of a workpiece by a synthesis element, including the steps: of making available the workpiece, feeding the synthesis element, which is made available by at least one function film composed of an adhesive, activating the adhesive function film, applying the synthesis element to one of the connecting faces, connecting the synthesis element to the other of the connecting faces, wherein the workpiece and the edge material are connected by the synthesis element located between them. Furthermore, there is disclosed a synthesis element and a device for connecting a connecting face of an edge material to a connecting face of a workpiece.

Microchip, analysis system, and method of producing microchip
10712311 · 2020-07-14 · ·

One embodiment of the invention provides: a microchip including a sample collection section and an analysis section, in which the sample collection section and the analysis section are imparted with both hydrophilicity and a positively-charged layer; an analysis system including the microchip; and a method of producing the microchip. The microchip includes: a sample collection section for collecting a sample; and an analysis section for analyzing the sample. In the microchip, a cationic polymer bonded with a hydrophilization substance is immobilized on inner walls of the sample collection section and the analysis section.

SURFACE TREATMENT TO ENHANCE BONDING OF COMPOSITE MATERIALS
20200198313 · 2020-06-25 ·

A method for surface preparation of composite substrates prior to adhesive bonding. A curable surface treatment layer containing blocked isocyanate compounds is applied onto a curable composite substrate, followed by co-curing. The surface treatment layer may be a resin layer without fibers or a removal peel ply composed of resin-impregnated fabric. After surface preparation, the composite substrate is provided with a chemically-active, bondable surface that can be adhesively bonded to another composite substrate to form a covalently-bonded structure.