Sewing method for the formation of a double back stitch seam and

Details Sewing method for the formation of a double back stitch seam and Sewing method for the formation of a double back stitch seam and

1977-07-26

1979-02-20

Nerbun, Peter

Sewing

Stitch forming

112262, D05B 108

Patent

active

041400690

ABSTRACT:
The invention concerns a method and apparatus for forming a double back stitch seam from an upper and lower thread where the upper thread is conducted down by means of a needle through a sewing material and then up again, forming a loop at its underside and the lower thread is conducted through the upper thread loop and anchored on the sewing material by tightening the latter.

REFERENCES:
patent: 2487988 (1949-11-01), Zeler
patent: 3763799 (1973-10-01), Bottcher

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