| 摘要 |
FIELD: textile, paper. ^ SUBSTANCE: hand sewing needle contains a bar sharpened at the end at one side and a wedge-shaped eye at the other side. In order to eliminate spontaneous displacement of threads in the eye and elimination of their tangling, long sides of the wedge-shaped eye are arranged along the radius and have concavity to the inside. ^ EFFECT: needle eliminates spontaneous displacement of threads in a needle eye, ensures reliable retention of threads during sewing, eliminates threads tangling during sewing, increases speed of hand sewing. ^ 3 cl, 4 dwg |
