BOBBINLESS LOCKSTITCH SEWING MACHINE
Current sewing machines use two threads to sew a lockstitch. One thread is supplied from a main thread and the other thread is supplied from a bobbin thread. In this invention, the use of the bobbin is eliminated and the second thread is supplied from a second main thread. The removal of the bobbin...
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Main Author | |
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Format | Patent |
Language | English French |
Published |
05.05.2010
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Subjects | |
Online Access | Get full text |
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