Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1974-05-03
1976-01-20
Lanham, C. W.
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
2924354, B21J 1520, B21J 1530, B23P 1100
Patent
active
039330257
ABSTRACT:
A gun for upsetting the shank terminal of a metallic rivet projecting through work is operable after back-up force is applied to the rivet head. An anvil may be employed to form the upset in such manner that the rivet shank in the work bore, and the bore itself, may be controllably expanded.
REFERENCES:
patent: 2722918 (1955-11-01), Kimball
patent: 3088440 (1963-05-01), Wilmer
patent: 3348751 (1967-10-01), Henning
patent: 3478567 (1969-11-01), Galutia
patent: 3581373 (1971-06-01), Murdoch et al.
patent: 3704506 (1972-12-01), Orr et al.
patent: 3747194 (1973-07-01), Christensen
patent: 3782483 (1974-01-01), Wandell
Combs E. M.
Haefliger William W.
Lanham C. W.
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