Early Shoe uppers are the need for a needle to sew, this time-consuming but effortless work by
some women workers to bear, they can take the work back to their homes to do, finish and then sent to the shoe factory, women can take care of the family at the same time can subsidize the family.
Reviews on Shoe sewing machine :
At the beginning of the 19th century, sewing machines were invented, but early machines had two defects. The first is that the penetration is weak enough to sew strong leather. The second is that the stitches are chained, while once a location is broken, the entire stitch is de-threaded (as if we were unpacking a white-faced bag).
Chained (left) and locked (right)
Unlike our lock-wire sewing machines, which are commonly used when making shoes today, even if the middle breaks, the entire strip does not occur. The following diagram explains the characteristics of both traces very well.
In 1933, an inventor from New York named Walter Hunt invented a lock thread sewing machine. On September 10, 1846, Howe's lock sewing machine was officially licensed by the U.S. Patent Office, his machine was in its infancy: needles , shuttles that form locked stitches, and automatic feeding systems.
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