Research - Tashkent, Tashkent Region, Uzbekistan
In the 21st century a BREAKTHROUGH in sewing with the help new ZARIF double thread chain stitch sewing machine from 2020.Video demonstration without disclosure of KNOW-HOW.VIDEO SECTIONS:1. Demonstration of sewing various materials.2. Demonstration of sewing denim materials.3. Demonstration of sewing medium materials.4. Demonstration of sewing light and elastic materials.5. Demonstration of sewing with extra thick top thread.6. Demonstration of sewing leather materials.7. Demonstration of performing broken and curved seams.It is known that the rotary looper consisting of one part is the only working unit in the sewing technique that is able to circle the loops of threads around its body by turning them 180 degrees with its tail.The rotary looper was invented by the American inventor James Edward Allen Gibbs in 1857, to form a single-thread chain stitch type 101, where the looper makes one revolution per revolution of the main shaft of the sewing machine (see Patent US17427: https://www.google.com/patents/US17427).We were the first in the world to use a rotary looper to form a double thread chain stitch type 401 (see Patent US6095069 from 2000).New ZARIF double thread chain stitch sewing machine from 2020 (pre-production model), made by reconstruction of industrial lockstitch sewing machine model 1022 of the Company «Orsha» (Belarus).The new ZARIF double thread chain stitch sewing machine from 2020 is works on the basis new ZARIF technology forming double thread chain stitch that we invented in 2020, improving our ZARIF technology forming double thread chain stitch from 1994, for which US Patent No.6095069 was issued in 2000. Subscribe to our YouTube channel (www.youtube.com/user/ZARIF1961) to keep up to date with our new videos.
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