Strengthened graphite-metal threaded connection

Details Strengthened graphite-metal threaded connection Strengthened graphite-metal threaded connection

1986-05-15

1987-08-11

Scanlan, Jr., Richard J.

Joints and connections

Screw or cam

403404, 411132, 411258, 266235, F16B 2120

Patent

active

046858229

ABSTRACT:
The threaded connection between a graphite shaft and a metal shaft, such as is used to drive a rotating nozzle in the refining of aluminum, is strengthened by coating the graphite surface that contact the flange portion of the metal shaft prior to the fastening of said shafts together. The coating of said graphite shaft serves to greatly strengthen the threaded connection and the ability of said connection to transmit driving torque from the metal shaft to the graphite shaft.

REFERENCES:
patent: 2079692 (1937-05-01), La Pointe
patent: 2879092 (1959-03-01), Hargrove et al.
patent: 4040610 (1977-08-01), Szekeley
patent: 4191486 (1980-03-01), Pelton
patent: 4362411 (1982-12-01), Asberg
patent: 4362419 (1982-12-01), Duncan
patent: 4419925 (1983-12-01), Tsuzuki et al.
patent: 4519747 (1985-05-01), Yamazaki et al.
patent: 4598899 (1986-07-01), Cooper

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