Shaft and method of making same

Details Shaft and method of making same Shaft and method of making same

1993-07-26

1996-01-23

Bradley, P. Austin

Metal fusion bonding

Process

Encasing a rodlike core within a substantially coextensive...

228131, 138131, 138139, B23K10104, B23K 3102

Patent

active

054859484

ABSTRACT:
A shaft for such items as sporting goods, including golf clubs fishing rods bicycle frames, and ski poles is constructed of metallic tubular structures. The hollow tubular shaft is brazed to a helical coil of reinforcing wire which fits snugly against the inside surface of the shaft. Brazing is accomplished by fitting the helical reinforcing wire into the tubular shaft and placing the assembly inside a controlled atmosphere or vacuum furnace where heat is applied to initiate the brazing function. By using appropriate metals and alloys the brazing and hardening is accomplished simultaneously without the use of flux. The proper choice of metals and the gauge of the metals ensures the desired strength, rigidity, and torsional characteristics of the shaft.

REFERENCES:
patent: 1000627 (1911-08-01), Rudolph
patent: 1950342 (1934-03-01), Meshel
patent: 1994069 (1935-03-01), Fletcher
patent: 2573361 (1951-10-01), Rodgers, Jr. et al.
patent: 3762707 (1973-10-01), Santorelli
patent: 4363435 (1982-12-01), Broodman
patent: 4743137 (1988-05-01), Bucher et al.

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