Abstract: A spark plug includes a base member containing a first component in the largest amount, a tip, and a fusion zone which is in contact with the tip and the base member and contains the first component and a second component. The ratio of the first component content of the fusion zone to the first component content of the base member is less than 0.93. The length of a portion of the tip surrounded by the fusion zone is 0.4 times or more of the distance between the discharge surface of the tip and the interface between the tip and the fusion zone.

Abstract: To solve the problems of conventional wire billet butt-welding such as high labor intensity, potential safety hazards, and low production efficiency, the disclosure provides a wire billet butt-welding apparatus and a wire billet butt-welding method. The wire billet butt-welding method comprises: S1: preparing a stock, S2: rotating a butt-welding stock receiver to a stock receiving position, and feeding a first coil of wire billet to a stock receiving rod of the butt-welding stock receiver; S3: welding the first coil of wire billet and the second coil of wire billet on a rotary plate at the butt-welding position end-to-head; S4: rotating the butt-welding stock receiver and the second coil of wire billet to the stock receiving position; S5: rotating the stock receiving rod to rotate to tighten the wire billet between the first coil of wire billet and the second coil of wire billet; and S6: repeating steps S3 to S5 to complete butt-welding operations on the 3rd to nth coils of wire billet sequentially.

Abstract: Various embodiments of the present disclosure provide a strapping device configured to carry out a strap-attachment check cycle. After attaching leading and trailing strap ends of a strap to one another to form a tensioned loop of strap around a load, the strapping device is configured to carry out the strap-attachment cycle to test the strength of the attachment between the leading and trailing strap ends and to provide feedback as to whether the strap attachment is satisfactory.

Abstract: Riveted assemblies are provided that can include a substrate extending between two ends to define opposing substrate surfaces having a first opening extending between the opposing substrate surfaces; a metal-comprising substrate extending between two ends to define opposing metal-comprising substrate surfaces having a second opening extending between the opposing metal-comprising substrate surfaces. The riveted assemblies can further provide that the first and second openings complement one another when the substrate and metal-comprising substrate are engaged; and a rivet shaft extends through the openings and engages the substrate with the rivet head and the metal-comprising substrate with the rivet stop head, at least a portion of the stop head being mixed with, and forming a metallurgical bond with the metal-comprising substrate. Assemblies are provided that can include a rivet stop head mixed with, and metallurgically bonded with a metal-comprising substrate.

Abstract: A method for cutting a wound hose (1), made form mutually engaging windings (11, 12, 13, 14) of a metallic tape (2), with the wound hose (1) being welded in a predetermined axial area (10) and then cut within the area (10) essentially in a plane (6) extending radially, with the wound hose (1) being axially compressed in the predetermined area prior to welding such that in the area (10) a mutual contacting of the windings (11, 12, 13, 14) occurs. The welding is performed along a predetermined number of windings (11-14) in the area (10), and the welding energy required for welding the windings is introduced via the area of the winding hose into it. Additionally, an accordingly produced wound hose (1) is provided and a device suitable for its production.

Abstract: Electric cable 16 having an inner conductor 16a, a primary isolation 16b surrounding the inner conductor 16a, an electric shield 18 surrounding the primary isolation 16b, and a secondary isolation 16c surrounding the shield, wherein at least at one end 22 of the cable 16 the secondary isolation 16c is removed so that the shield 18 is stripped. A contacting of the shield to a vehicle body is electrically and mechanically ensured in that a sleeve 2 is pushed over the stripped shield 18, in that a part of the shield 18 protruding beyond the sleeve 2 in the direction of the end 22 of the cable 16 is put over the sleeve 2, and in that the part of the shield 18 that is put over the sleeve 2 is intermetallically connected to the sleeve 2.

Abstract: An intravascular guide wire having two core materials joined together without the use of a connector tube or sleeve, the core materials being stainless steel and psuedoelastic metal alloy, nitinol. The core materials are joined to each other through an intermediate transition piece made essentially of nickel, which is welded on either side to the two core materials. In a multi-segment intravascular guide wire, discrete, high modulus and medium modulus core portions of different materials are welded to a shapeable, low modulus distal core portion made of a third material having a flattened, shapeable section at a most distal end that is not welded to but made from the distal core portion, so the flattened, shapeable section can be deformed to create a steerable tip. Processes such as simultaneous resistance and friction welding can be used to join the core portions.

Abstract: A bonding apparatus of metal plates includes an upper mold having a first guide pathway formed vertically inside thereof; a middle mold having a second guide pathway formed vertically inside thereof, where the middle mold is disposed under the upper mold; a lower mold having a metal removing pathway formed vertically inside thereof, where the lower mold is disposed under the middle mold; a heating unit for heating the metal plates and a metal tape; a punch for applying a bonding load to the metal plates; a clamping unit that applies a clamping load for clamping the metal plates to the upper mold; and a bonding unit that applies the bonding load to the punch for bonding the metal plates.

Abstract: This invention concerns a welding head for welding the extremities of two sections of rail and comprises two half-heads (10) aligned and sliding with regard to one another in a longitudinal direction. Each half-head comprises grip means (12, 13) to grasp a respective section of rail and two electrodes (16) suitable for contact with respective sections of rail in order to carry out a flash butt weld. The head also comprises traction actuator means (20) which extend in a longitudinal direction and are connected to the two half-heads (10) to shift the two half-headsin a longitudinal direction one towards the other, said traction actuator means (20) having a stroke suitable for allowing, during a cycle of welding two sections of rail, simultaneous regulation of rail tensions.

Abstract: An auxiliary welding apparatus adapted for separating central conductors of cables of a cable connector assembly, includes a holding base capable of fixing the cable connector assembly thereon. Two opposite sides of the holding base have two pivotal bearings facing each other. A rotation member is pivotally engaged between the two pivotal bearings and disposes a separating member fixed thereto. The separating member has a base portion fixed to the rotation member and a substantially comb-shaped separating portion extending from one side of the base portion for separating the central conductors of cables of the cable connector assembly to avoid the central conductors being welded with each other.

Abstract: A bonding apparatus and method of metal plates simplifies a bonding process and improves bonding strength of metal plates. A bonding apparatus of metal plates may include an upper mold having a first guide pathway formed vertically inside thereof; a middle mold having a second guide pathway formed vertically inside thereof, the middle mold being disposed under the upper mold; a lower mold having a metal removing pathway formed vertically inside thereof, the lower mold being disposed under the middle mold; a heating unit for heating the metal plates and a metal tape; a punch for applying a bonding load to the metal plates; a clamping unit that applies a clamping load for clamping the metal plates to the upper mold; and a bonding unit that applies the bonding load to the punch for bonding the metal plates.

Abstract: Shown is a device and a process for the simultaneous separating and welding of foils or foil tubes (5) where the device comprises at least one welding terminal (2) and an opposing terminal (3), and at least a part of the surface of the opposing terminal (3) turned toward the welding terminal (2) is equipped with a flexible absorbing body (4). It is inventive that the surface of the absorbing body (6) turned toward the welding terminal consists of metal.

Abstract: A method and machine for deburring the burr which is formed when wires are butt welded is disclosed. The machine comprises a deburring head which has a pair of opposed deburring rollers mounted thereon. Each of the rollers has a milled surface formed therein. A linkage is connected to the rollers to cause the rollers to rotate when the linkage is moved between first and second positions. When the linkage is in its first position, the milled surfaces of the rollers face one another to enable the wires and burr to be positioned therebetween. As the linkage moves to its second position, the circumferences of the rollers engage the burr to roll out the same, thereby providing a substantially smooth, cylindrical surface where the burr was located. The method of deburring is also disclosed.

Abstract: In the bead cutting apparatus of the present invention a cutting tool 22 is provided on the distal end of an impeder 21 so as to be able to swing. This swing uses a first bolt 45a as a fulcrum and is within a range allowed by the difference between the external diameter of a second bolt 45b and the internal diameter of a second hole 47. A blade tip portion 33 is provided at the distal end of a cutting tool body 32 and is provided at the impeder 21 side such that a cutting blade 34 can make contact with an internal surface bead B of a tube P. A spring member 38 is fixed by a fixing member 39 to a position partway along the cutting tool body 32 on the opposite side thereof to the cutting blade 34.

Abstract: To provide a cutting apparatus for a welding machine, which is less costly, at least one of each of upper blade portion ascending/descending guide units, a lower blade portion ascending/descending guide unit and an ascending/descending guide unit for holding a clearance between the upper and lower blade portions is used in common as a co-use ascending/descending unit out of the plurality of ascending/descending guide units. Also, there is provided a hydraulic drive unit normally depending upon the operation of the upper blade portion ascending/descending link unit and working as a drive source for the upper blade portion ascending/descending link unit when necessary, in conjunction with the upper blade portion or the upper blade portion ascending/descending link unit.