Method of ensuring the tightness of a bolt and a nut

Details Method of ensuring the tightness of a bolt and a nut Method of ensuring the tightness of a bolt and a nut

1982-06-29

1984-05-29

Combs, E. Michael

Metal working

Method of mechanical manufacture

Assembling or joining

10 86B, 10155R, 72364, 72700, 148402, B23P 1100

Patent

active

044506163

ABSTRACT:
The disclosure relates to a method of insuring the tightness of a fastener including forming a three-dimensional annular member in an austenite phase using a press, cooling the annular member to a temperature lower than the temperature for starting an austenite transformation, fastening the fastener with the annular member to flatten the annular member, and returning the temperature of the annular member to a higher than austenite temperature so that the recovery power of the annular member for returning the annular member to the three-dimensional shape in the austenite phase generates a fastening force for the fastener.

REFERENCES:
patent: 3832243 (1974-08-01), Donkersloot et al.
patent: 3922974 (1976-11-01), Miki et al.
patent: 4019925 (1977-04-01), Nenno et al.
patent: 4149911 (1979-04-01), Clabburn

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