Method of producing wing nuts

Details Method of producing wing nuts Method of producing wing nuts

1990-12-21

1991-10-29

Larson, Lowell A.

B21D 5320, B21D 5324

Patent

active

050603310

ABSTRACT:
An improved method to produce wing nut. The wing nuts being produced through a sequence of operations comprising cutting, trimming, upsetting, bending, extrusion, drilling, wing forming and tapping.

REFERENCES:
patent: 1391792 (1921-09-01), Recker
patent: 2068076 (1937-01-01), Rosenberg
patent: 2714450 (1950-09-01), Chestnut

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