Flatlock

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Flatlock is a sewing machine stitch that butts two edges of fabric with no overlap. [1] The flatlock stitch is used on swimwear, active wear, and infant clothing. [2]

Description

It is commonly used in sports wear as there are less fabric to chafe. [1] A similar stitch can be achieved on overlock machines, but the result is thicker as the cloth slightly overlaps. [1] However, some industrial overlock machines can do flatlock stitches. [3] Yamato Sewing Machine Mfg. advertises their interlock sewing machines as "Flatlock/Coverstitch" machines. [4]

While home overlock machines can produce a mock flatlock stitch that is similar to the flatlock of a commercial flatlock machine, it lacks strength because it only contains 3 threads instead of the 6 threads in a true flatlock stitch. [5]

References

  1. 1 2 3 Fasanella, Kathleen (18 February 2009). "Flatlocking compared to cover stitching and overlocking". Fashion-Incubator. Retrieved 25 May 2025.
  2. ↑ Kiron, Mazharul Islam (12 February 2012). "Flat Lock Sewing Machine: Parts, Specifications and Working Mechanism". Textile Learner. Retrieved 25 May 2025.
  3. ↑ Adscultin (29 February 2024). "Overlock vs. Interlock sewing machine - Balaji Sewing Machine Pvt. Ltd". balajisewing.com. Balaji Sewing Machine pvt ltd.
  4. ↑ "Interlock Sewing Machines (Flatlock Machines) | Products". Yamato Sewing Machine Mfg. Co., Ltd. Yamato Sewing Machine Mfg. Co., Ltd. Retrieved 25 May 2025..
  5. ↑ Lombardi, Alex (26 June 2019). "Q&A: Real vs. Mock Flatlock". Threads. Active Interest Media. Retrieved 25 May 2025.
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