FIELD: sewing industry. SUBSTANCE: needle has a wider range of its working surface and two working zones (cylindrical and blunting areas) with the use of the knurling method. The device has a knurled grooved stem. The stem has an eyelet and a point at its lower part. The point ends with a blunting. The other variant is angle 35 or 45 deg at the top. EFFECT: enhanced operating capabilities. 4 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SEWING MACHINE NEEDLE | 1991 |
|
RU2051240C1 |
| SPINDLE FOR MAKING RELIEF DESIGN ON FABRIC | 1991 |
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RU2010056C1 |
| SEWING MACHINE NEEDLE | 1991 |
|
RU2010052C1 |
