146results about How to "Increase joint area" patented technology

An object of this invention is to provide such a welded structure of and welding method for two metallic parts fitted together at a tubular section in a high-pressure fuel supply pump, that enables rapid joining of both metallic parts by staking (press-fitting included), screw fastening, and / or laser welding, offers high welding strength and sufficient fluid sealability, and keeps the metallic materials free from thermal changes in composition. While an electric current is supplied to any one of the welding connection surfaces formed between a pump housing and cylinder in a high-pressure fuel supply pump, between the pump housing and an installation flange, between the pump housing and an intake or discharge joint, between the pump housing and a pulsation-absorbing damper cover, between the pump housing and a relief valve mechanism, and between the pump housing and an electromagnetically driven intake valve mechanism, the particular two sections are pressed against each other to generate, along the connection surface, a plastic flow not causing melting or fusion due to heat, and form a diffusion-weld region at the connection surface by using the plastic flow and the application of the pressure.

A laminated core 10 including a plurality of laminated iron core pieces, each of the iron core pieces being connected in a laminating direction by filling resin in a plurality of resin holes penetrating the laminated core 10 in the laminating direction, and a method for manufacturing the laminated core 10, by making a junction area of an iron core piece (A) 13 and resin larger than a junction area of an iron core piece (U) 14 and resin, the iron core piece (A) 13 being provided on an end in an axial direction, the iron core pieces (U) 14 being arranged at positions other than the end in the axial direction, or by providing locking portions at tip portions of resin, acquired joint strength of the iron core piece (A) 13.

In an injection mold comprising a cavity and a gate for feeding a molding material into the cavity, the molding material fed from the gate into the cavity is divided into two streams that flow through the cavity and then meet at a confluent point so that the molding material portions are joined together along a joint plane. Two air vent gates are spaced apart from the confluent point so as to provide a larger area of the joint plane. Articles having a good outer appearance and improved strength at the material joint can be consistently manufactured to a high precision.

PROBLEM TO BE SOLVED: To provide an imaging apparatus capable of shutting off a light leaked from a joining face between a holder and a lens frame to an image device. SOLUTION: The imaging apparatus 1 is characterized in that the lens frame 2 and the imaging device holder 5 are joined together, a first projection 6a projected toward the imaging device holder 5 is formed to a lens frame joining part 6 of the lens frame 2 joined with the imaging device holder 5 so as to extend to a circumferential edge 2a of the lens frame 2, and a second projection 7a projected toward the lens frame 2 is formed to a holder joining part 7 of the imaging device holder 5 joined with the lens frame 2 so as to extend to a circumferential edge 5a of the imaging device holder 5, and the lens frame 2 and the imaging device holder 5 are joined in a way that the first and second projections 6a, 7a are overlapped in a direction in crossing with the projected directions of the first and second projections 6a, 7a in order to solve the task above. COPYRIGHT: (C)2004,JPO

Provided are a light emitting diode package having a light emitting diode mounted thereon, a light emitting device having a vertical electrode type light emitting diode mounted on the light emitting diode package, and a manufacturing method for manufacturing the light emitting device. The light emitting diode package is configured to include at least a molding, and a first clip (122) and a second clip (123) fitted on the molding. The molding has at least a first opening (1212) and a second opening (1213) molded in the bottom portion. The molding also has a reflecting portion (1214) molded around the first opening (1212) and the second opening (1213) for reflecting a light. The molding further has a fluorescent film member mounting portion (1113) formed integrally for mounting an fluorescent film member (116) in the opening of the reflecting portion (1214). The first clip (122) has a light emitting diode mounting projection (1221) formed at the substantially central portion thereof for mounting the light emitting diode and made to engage elastically with the molding at both ends thereof. The first clip (122) is made to engage with the molding at both ends thereof. The second clip (123) has a jointing projection formed to engage elastically with the molding at both ends thereof.