NAIL Russian patent published in 1998 - IPC

Abstract RU 2117191 C1

FIELD: mechanical engineering; fastenings used in construction. SUBSTANCE: side surface of nail is provided with projections formed by drawing steel wire or rod through revolving shaped drawing die due to torsion of rod cross sections. In cross section, rod may have form of regular polygon (triangle, tetragon, pentagon) or Reuleaux triangle. Pitch of turns of helical projections is equal to (0.6-1.2)L, where L is length of rod. EFFECT: improved operational characteristics. 2 cl, 5 dwg

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RU 2 117 191 C1

Authors

Loginov A.P.

Loginov D.A.

Dates

1998-08-10—Published

1996-04-01—Filed