Huys Industries Limited

Dominic Cheuk Hung Leung

Nigel Scotchmer

Zheng Zhong

Yang Wei

Xie Zhixiong

Dong Shijie

Yang Lianzhuo

Luo Ping

Liu Qi

Wang Yanqing

Chang Ying

Wang Huihu

Franklin Rementer

Stephen Peterkin

A welding rod assembly has a seat, a chuck, and a welding rod. The chuck has a socket for the welding rod. The seat has a passageway having an inlet and an outlet, and a fluid conduit through the seat. The apparatus that has a power supply having a main control unit, and a welding electrode. It has synthetic discharge signal generator programmed to produce DC discharges as output electrical signals from the power supply. Each discharge has a voltage, charge, starting time and polarity. The discharges define a synthetic AC output. It has an output polarity reversing switch. The apparatus includes three output terminals, a first of the output terminals being connected to the welding electrode, a second of said output terminals and a third of said output terminals having respective workpiece connections.

Welding applicator and method of application

A welded assembly includes a first object, a second object, and an interlayer. The interlayer is an ESD coating deposited on the first object, and the second object is welded to the coating. The second object may be a material that has thermally sensitive properties, such as a shape-memory material. The second weld may also be made by ESD. The interlayer may be made of more than one layer. The layer or layers may be deposited of a material chosen for its compatibility with one, the other, or both of the material of the first object and the material of the second object.

Welded assembly and method of welding using electro-spark discharge

A welding process involves a fixture for holding a workpiece and a welder, or welding electrode. The fixture imposes ultrasonic vibration on the workpiece. The welder vibrates during vibration, and is operable at a first voltage for welding and a second voltage for peening. The peening may occur while the weldmetal is crystallizing. The welding process may be a process of welding two part as together, or of filling a groove or other feature, or of applying or restoring a surface, or of applying a hard facing or ceramic to a parent metal or object. The weldmetal may be the same, or substantially the same, as the parent metal, or it may be different. The different material may be a ceramic material.

Welding method and apparatus therefor

A welding process involves a fixture for holding a workpiece and a welder, or welding electrode. The fixture imposes ultrasonic vibration on the workpiece. The welder vibrates during vibration, and is operable at a first voltage for welding and a second voltage for peening. The peening may occur while the weld metal is crystallizing. The welding process may be a process of welding two parts together, or of filling a groove or other feature, or of applying or restoring a surface, or of applying a hard facing or ceramic to a parent metal or object. The weld metal may be the same, or substantially the same, as the parent metal, or it may be different. The different material may be a ceramic material.

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Thornhill, Canada

Dominic Cheuk Hung Leung