BURNER FOR ARC WELDING Russian patent published in 1995 - IPC

FIELD: welding. SUBSTANCE: burner has rotatable head provided with a gas supplying system, two parallel hollow rods arranged on both sides of the head, handle, and unit for locking the rotatable head. One ends of the rods are secured in the head. The spaces of the rods are connected with the gas pipe line through the gas supplying connecting rod. The burner has also the hollow axle provided with a groove in outer side. The locking unit is constructed as locators arranged over the circumference arc and secured to the connecting pipe. The gas supplying connecting pipe is made up as a ring mounted on the hollow axle by sliding fitting. The passage of the connecting pipe is in communication with the space of the axle through the ring space defined by inner side of the ring and the groove in the outer surface of the hollow axle. The axis of the hollow axle and the arc are coincident, the space of the hollow axle being connected with the spaces of the rods. The burner can also have the lever for rotation of the head. The handle of the lever can be arranged above the axle, under the axle or with a side shifting. The cross- sections of spaces of the rod, connecting pipe, axle and groove above the axle can be the same. The locators for locking unit can be made as spring balls and answered hollows. EFFECT: improved design. 6 cl, 4 dwg