Process and apparatus for the production of star profile nails

Details Process and apparatus for the production of star profile nails Process and apparatus for the production of star profile nails

1994-07-25

1996-08-06

Larson, Lowell A.

Threaded, headed fastener, or washer making: process and apparat

Process

Making headed fastener, e.g., rivet or nail, etc.

470136, B21G 330

Patent

active

055428860

ABSTRACT:
A process for transforming the round shafts of nails into a multi-vaned profile involves supplying an oriented sequence of abuting identical nails to an indexing operation where the nails are separated and uniformly oriented, then feeding the nails head first downwardly into the nip of rolls which secure each nail by its head and form the round shaft of each secured nail into a multi-vaned profile. Apparatus for performing the nail transforming process includes an indexing mechanism, a downward feeding mechanism, and a set of forming rolls positioned to rotate in vertical planes.

REFERENCES:
patent: 3800348 (1974-04-01), Dunkin
patent: 3964879 (1976-06-01), Asmus
patent: 4755091 (1988-07-01), Potucek et al.
patent: 4800746 (1989-01-01), Potucek
patent: 4833906 (1989-05-01), Potucek
patent: 4858457 (1989-08-01), Potucek
patent: 4899515 (1990-02-01), Potucek
patent: 4973211 (1990-11-01), Potucek
patent: 5081732 (1992-01-01), Steinhilber
patent: 5140715 (1992-08-01), Monacelli

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