Metal fusion bonding – With means to deform work – filler – or flux portion before... – Comprising means forming one-piece blank into a tubular shape
Patent
1985-05-21
1986-09-30
Combs, E. Michael
Metal fusion bonding
With means to deform work, filler, or flux portion before...
Comprising means forming one-piece blank into a tubular shape
72 52, 72178, 228 175, B23K 3704
Patent
active
046142932
ABSTRACT:
The device comprises several sets of shaped rollers disposed on parallel circumferences. The rollers of one of said sets are gauged and innerly define a circumference the diameter of which is equal to that of the cylindrical box-shaped elements to be shaped. In order to ensure a perfect welding of the cylindrical box-shaped elements, some of the gauged rollers are powered at a constant speed. These powered gauged rollers mesh with each other by means of their respective toothing and only one of them is powered by a powered toothed belt which moves the welded box-shaped elements away from the shaping device.
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Cefin S.p.A.
Combs E. Michael
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