Continuous seam welding apparatus and methods

Details Continuous seam welding apparatus and methods Continuous seam welding apparatus and methods

1988-01-15

1989-08-15

Albritton, C. L.

Electric heating

Metal heating

By arc

2191218, 21912176, B23K 2600

Patent

active

048576972

ABSTRACT:
A method of producing a continuous seam weld between two mating surfaces of a can includes the steps of supplying a bolus of laser energy at alternate spaced locations along the line of the mating surfaces to effect local melting of the mating surfaces. The bolus of energy is then allowed to dissipate initially by way of an enlargement in the size of the melt pool and subsequently by cooling to a level at which the pool solidifies. A further bolus of laser energy is supplied at intervening spaced locations along the line of the mating surfaces to effect local melting of the mating surfaces. This bolus of energy is allowed to dissipate initially by way of an increase in the size of the melt pool and subsequently by cooling. The spacing between the alternate and intervening locations and the power of the bolus of energy being of such magnitude that the size of each pool produced at each intervening location during its enlargement overlaps a solidified pool.

REFERENCES:
patent: 4564739 (1986-01-01), Mattelin
patent: 4649256 (1987-03-01), Minamida et al.
patent: 4670639 (1987-06-01), Behn
patent: 4701591 (1987-10-01), Masaki et al.

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