Machine for forming a head on a shank, such as a nail or a screw

Details Machine for forming a head on a shank, such as a nail or a screw Machine for forming a head on a shank, such as a nail or a screw

1980-10-30

1982-01-12

Combs, Ervin M.

Metal deforming

By use of 'flying tool' engaging moving work

Including orbitally-moving tool-face

10 6, 10 39, 10 52, 72423, B21G 312, B21G 328, B21G 330, B21G 332

Patent

active

043098851

ABSTRACT:
A machine for forming heads on shanks, in particular nail heads, where the shanks are temporarily secured in a preferably rotary tool defining wholly or partially the shape of the heads and co-operating with a rotary roll. According to the invention at least one roll is adapted for internal rolling with respect to one or more of rings serving as tools, the shanks being located substantially radially in said rings.

REFERENCES:
patent: 358553 (1887-03-01), Hill
patent: 364119 (1887-05-01), Lewis
patent: 2621343 (1952-12-01), Fray
patent: 2642594 (1953-06-01), Fray
patent: 2917756 (1959-12-01), Stearns et al.
patent: 2929301 (1960-03-01), Stalhuth
patent: 3111697 (1963-11-01), Wilson
patent: 3165765 (1965-01-01), Wilson
patent: 3585665 (1971-06-01), Jackson

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