Ballistic forging

B - Operations – Transporting – 21 – J

Patent

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Details

B21J 5/04 (2006.01) A01K 83/00 (2006.01) B21K 23/00 (2006.01) B21K 29/00 (2006.01)

Patent

CA 2472499

The barbless fishing hook has a shank having a longitudinal axis and a spike at one end, and extending longitudinally along the shank adjacent to the spike, a radially expanded surface extending radially outwardly of the longitudinal axis so as to define, in a first plane perpendicular to the longitudinal axis, a smoothly rounded generally radial arc devoid of stress concentration causing corners or elongate protrusions and so as to define, in a second plane containing the longitudinal axis, along the intersection of the second plane with the radially expanded surface, a line of intersection smoothly blending the radially expanded surface with the spike at one end of the line of intersection and with the shank at an opposed end of the line of intersection and the distance between the line of intersection and the longitudinal axis, perpendicular to the longitudinal axis, increasing smoothly along the shank from the spike to a maximum radial distance where the smoothly rounded generally radial arc sweeps out a maximum area in the first plane.

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