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2. Lockstitch - Wikipedia

   en.wikipedia.org/wiki/Lockstitch

   The thread tension mechanisms, one for the upper thread and one for the lower thread, prevent either thread from pulling the entwine point out of the middle of the material. Prior to the invention of the rotating hook, lockstitch machines placed the lower bobbin inside a miniature shuttle which would be passed through the loop formed when the ...

3. Rotary hook - Wikipedia

   en.wikipedia.org/wiki/Rotary_hook

   The rotary hook or rotating hook is a bobbin driver design used in lockstitch sewing machines since the 19th century. It triumphed over competing designs because it can run at higher speeds with less vibration. Rotary hooks and oscillating shuttles are the two most common bobbin drivers in use today.

4. Vibrating shuttle - Wikipedia

   en.wikipedia.org/wiki/Vibrating_shuttle

   To intertwine them, the machine must pass its shuttle (containing the bobbin and the lower thread) through a loop temporarily created from the upper thread. Singer bullet shuttle with bobbin exposed Early sewing machines of the 19th century oscillate their shuttles back and forth on linear horizontal tracks—an arrangement called a ...

5. Stitch (textile arts) - Wikipedia

   en.wikipedia.org/wiki/Stitch_(textile_arts)

   In the textile arts, a stitch is a single turn or loop of thread, or yarn. Stitches are the fundamental elements of sewing, knitting, embroidery, crochet, and needle lace-making, whether by hand or machine. [1] A variety of stitches, each with one or more names, are used for specific purposes.

6. List of sewing stitches - Wikipedia

   en.wikipedia.org/wiki/List_of_sewing_stitches

   types of hand sewing stitches. This is a list of stitches used in hand and machine sewing. The most common standard for stitches in the apparel industry is ASTM International ASTM D6193-16(2020) [1] The standard also covers various types of seams. Under this classification of stitches there are basic groups as follows: Class 100 - Single Thread ...

7. Bobbin - Wikipedia

   en.wikipedia.org/wiki/Bobbin

   The lockstitch sewing machine, invented and developed in the 18th and 19th centuries [10] [11], forms a stitch with two threads: one passed through a needle and another from a bobbin. Each thread stays on the same side of the material being sewn, interlacing with the other thread at each needle hole thanks to the machine's movement. [ 12 ]

8. Doubling (textiles) - Wikipedia

   en.wikipedia.org/wiki/Doubling_(textiles)

   In a sewing thread, the treads are doubled in two phases. Two or three strands are twisted together then three of these threads are twisted together, to form a six or nine cord. [9] The spun yarn is wound onto a bobbin using a doubling winding machine, and two or more of these bobbins are placed on doubling frame (doubling winding machine). The ...

9. Bobbin driver - Wikipedia

   en.wikipedia.org/wiki/Bobbin_driver

   1851 by Allen B. Wilson [8] Figures from Wilson's patent 9041, showing rotary hook and bobbin: Rotary hook machines hold their bobbin stationary, and continuously rotate the thread hook around it. The design was popularized in the White Sewing Machine Company's 'Family Rotary' sewing machine [9] and Singer's models 95 and 115. [10]