Brazed hydraulic fittings and method of making same

Details Brazed hydraulic fittings and method of making same Brazed hydraulic fittings and method of making same

1994-02-09

1994-10-25

Bradley, P. Austin

Metal fusion bonding

Process

Encasing a rodlike core within a substantially coextensive...

228168, 228174, 228253, 285287, F16L 1308, B23K10104, B23K 3102

Patent

active

053581687

ABSTRACT:
The present invention is a brazed fitting suitable for use as a hydraulic coupling for pressurized fluids. A male component has a tapered surface which mates and creates an interface with a similarly tapered surface of a female component. A brazing material is heated to diffuse and alloy within the interface, forming a connection between the surface portions which is stronger than the metal being connected. A groove on the male component retains the brazing material in the middle of the surface portions so that after the components are joined in an interference fit, the assembly is heated and the brazing material melts in the middle of the interface and connects together the mating surfaces by diffusing and alloying. The counterbore of the female component does not require a base, and the resulting structure has improved fluid flow characteristics.

REFERENCES:
patent: 1801171 (1931-04-01), Mueller et al.
patent: 3260539 (1966-07-01), Herron
patent: 3372476 (1968-03-01), Peiffer
patent: 3427707 (1969-02-01), Nowosadko

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