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US 5,994,659 AGranted
Method and apparatus for welding with preheated filler material
AssigneeGeneral Electric Company
InventorHenry Peter Offer
Life of this patent
Estimating the term…
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AssigneeGeneral Electric Company
InventorHenry Peter Offer
Estimating the term…
An integrated non-consumable electrode and filler material nozzle for use with electric arc welding (or arc brazing). The electrode and filler nozzle are preferably integrated in one or more of the following ways: mechanically, thermally or electrically. The filler nozzle may be used to feed either hot or cold wire. Electric arc power and the wire resistance-heating power may be supplied by a single arc welding power supply, which is either directly or indirectly shunted between the electrode and filler nozzle. The nozzle can be designed to feed either single or multiple filler wires. The hot-wire nozzle preferably has a movable contact element which allows the electrical extension to be adjusted. Also the curvature of the outlet end of the hot-wire nozzle can be adjusted. If the nozzle is vertical, a wire deflection device at the nozzle outlet can be used to deflect the tip of the filler wire toward the weld puddle.
An apparatus comprising:
An apparatus comprising:
A hot-wire guide nozzle comprising:
A welding electrode consisting of a monolithic piece of electrically conductive material, wherein said monolithic piece comprises a flat shank with first and second lateral edges and a tip extending from an end of said shank, said shank having a first open guide channel for passage of a first filler wire therethrough, said first guide channel being arranged closer to said first lateral edge than to said second lateral edge and having an outlet, said outlet being the portion of said guide channel closest to said tip.
An apparatus comprising:
A filler wire guide nozzle comprising a guide channel for guiding filler wire therethrough and having an axis and an outlet, a wire deflection device arranged proximal to said outlet of said guide channel, said wire deflection device being arranged to deflect filler wire exiting said outlet in a direction transverse to said guide channel axis, and an adjustment mechanism for changing the position of said wire deflection device to adjust the amount of deflection of said filler wire, said adjustment mechanism comprising a rod which is slidable.
A filler wire guide nozzle comprising first and second bar-shaped members sandwiched between a pair of parallel opposing sidewalls made of sheet material.
Dependencies are inferred from the claim text.