Method of making a multi-bore element

Details Method of making a multi-bore element Method of making a multi-bore element

1981-11-30

1983-11-08

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

228183, 138 89, 219 85M, 291574, B23K 3102

Patent

active

044137680

ABSTRACT:
A copper blank is provided with bores, and copper plugs are used to obtain blind bores. The plugs are connected to the blank in a variety of ways and are either placed centrally or at the bore ends; in the latter case, two such elements are interconnected back-to-back, possibly under inclusion of a solid center. In the former case, the plugs are soldered or brazed, preferably during annealing. In either case, a hollow drawing for sizing completes to process.

REFERENCES:
patent: 2110965 (1938-03-01), Singen
patent: 3025596 (1962-03-01), Ward et al.
patent: 3157539 (1964-11-01), Preher
patent: 3347079 (1967-10-01), Rowell et al.
patent: 3900939 (1975-08-01), Greacen
patent: 4200217 (1980-04-01), Imai et al.

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