Method for making a boom

Details Method for making a boom Method for making a boom

1977-06-23

1979-07-03

Lanham, C. W.

Metal fusion bonding

Process

With shaping

228182, E02F 338, B23K 3102

Patent

active

041597966

ABSTRACT:
A boom is made by joining two tubular members to a cast iron elbow section. The tubular members are made from plate formed into tubes with a longitudinally welded seam. The tube seams are located below a horizontal axis of the respective tube members and circumferentially between the horizontal and vertical axes thereof to dispose the weld seam on a lower side of the boom. Pivotal boom connection means are further welded to each free end of the boom and to the elbow section.

REFERENCES:
patent: 1960557 (1934-05-01), Snyder
patent: 2257386 (1941-09-01), Kempe
patent: 2805781 (1957-09-01), Senn
patent: 2846081 (1958-08-01), Moore
patent: 2924341 (1960-02-01), Bahr et al.
patent: 2973112 (1961-02-01), Young
patent: 3361320 (1968-01-01), Bobrowski
patent: 3375937 (1968-04-01), Bradshaw
patent: 3902295 (1975-09-01), Yancey

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