Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1974-07-11
1976-03-23
Mehr, Milton S.
Metal working
Method of mechanical manufacture
Assembling or joining
72 56, B23P 1902
Patent
active
039451097
ABSTRACT:
Method and apparatus for driving an interference-fit fastener by electromagnetically generating a stress wave, conditioning the stress wave, and passing the stress wave through the fastener, the stress wave is reflected from the remote free end of the fastener to impart a high velocity to the fastener relative to the surface of its receiving aperture to overcome the frictional forces existing there between and draw the interference fastener into the receiving aperture.
REFERENCES:
patent: 3092165 (1963-06-01), Harvey
patent: 3224086 (1965-12-01), Balamuth
patent: 3279228 (1966-10-01), Brower
patent: 3646791 (1972-03-01), Leftheris
patent: 3704506 (1972-12-01), Orr et al.
patent: 3824824 (1974-07-01), Leftheris
Grumman Aerospace Corporation
Mehr Milton S.
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