FIELD: satisfaction of necessities of man's life. SUBSTANCE: bent sharpened needle body 2 is made integral with thread 1 of preliminarily softened metal wire. As a result, bodies 2 serve as end-face thread tips which are bent according to specimens, prior to final hardening and sharpening. Body 2 and thread 1 ar also made integral of preliminarily strengthened metal wire with subsequent softening of thread 1 in protective atmosphere. EFFECT: simplified production process, improved needle strength. 2 cl, 3 dwg
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Authors
Dates
1998-06-10—Published
1996-01-09—Filed