Automatic main seam feeding and forming apparatus

Details Automatic main seam feeding and forming apparatus Automatic main seam feeding and forming apparatus

1985-05-02

1986-05-27

Schroeder, Werner H.

Sewing

Work manipulating

Guides

72176, D05B 3504

Patent

active

045908710

ABSTRACT:
An automatic main seam feeding and folding device which has an automatic feeding and folding die which folds two adjacent edges of fabric to form a fell seam and feeds the fabric seam to a sewing machine while maintaining the proper tension and edge alignment. The feeding and folding die folds the adjacent fabric edges from an initial zero degrees of fold to a final overlapping interlocking 180 degree fold to form a main seam and includes tractor dogs along the right and left sides of the die block to continously feed the fabric material. The tractor dogs push the material along the outside of a straight solid die block with the fabric edges to be folded moving within a slot which encloses and contains the fabric spacially. The feeding and folding die is made sufficiently long to enable the two fabric edges to be gradually folded from a parallel planar flat position at the die mouth to a 180 degree, one inch interlocking four layer folded fell seam configuration at the die terminus or nose.

REFERENCES:
patent: 1652396 (1927-12-01), Dallas
patent: 1681880 (1928-08-01), Schneible
patent: 1988401 (1935-01-01), Thompson
patent: 4476792 (1984-10-01), Diacont, Jr. et al.

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