Metal fusion bonding – Process – With shaping
Patent
1979-01-31
1980-06-17
Husar, Francis S.
Metal fusion bonding
Process
With shaping
29456, B23K 3102
Patent
active
042080045
ABSTRACT:
An auger manufacturing apparatus comprising an adjustable former mechanism including a plurality of linearly adjustable die roller members and an associated movable chuck assembly. A conveyor carries a metal ribbon to the adjustable former mechanism which bends the ribbon around a pipe. The pipe is supported in part by the chuck assembly which includes a rotatable ring with a ribbon holding mechanism and an adjustable pipe seat. The cylindrical pipe is mounted in the seat and the leading edge of incoming metal ribbon is securely held by said ribbon holding mechanism. An electrically operated mechanical drive carries the chuck assembly along a trackway and rotates the rotatable ring, while the adjustable die roller members of the former mechanism provide sufficient pressure on the incoming metal ribbon to cause the ribbon to be deformed and spirally wrapped around the pipe as the pipe and leading edge of the metal ribbon carried by said chuck assembly are simultaneously rotated and driven away from the adjustable former mechanism. A seam welding apparatus is mounted to the former mechanism for welding the spirally formed ribbon to the outside wall of said pipe to form an auger.
REFERENCES:
patent: 1775555 (1930-09-01), Dorndorf
patent: 2442446 (1948-06-01), Wallace
patent: 3106954 (1963-10-01), Worley
patent: 3377459 (1968-04-01), Brown et al.
patent: 3457749 (1969-07-01), Smola
patent: 3568288 (1971-03-01), Nihlen
patent: 4043499 (1977-08-01), Dix et al.
Estep Jess
Husar Francis S.
Ramsey K. J.
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