Method of thread stitching layers to form a sewn book

Details Method of thread stitching layers to form a sewn book Method of thread stitching layers to form a sewn book

1980-01-21

1981-08-25

Hunter, H. Hampton

Sewing

Elements

Frames

112222, D05B 9700, B42B 102

Patent

active

042852927

ABSTRACT:
A device for thread stitching layers to form a book wherein the stitching apparatus comprises a conveying mechanism for transporting a plurality of open layers in spaced relation to each other, the conveying device transporting the layers with respect to at least one spiral sewing needle which is rotationally driven, the point of the spiral needle penetrating into the layer backs and exiting the layer backs to stitch the layers together in sequence.

REFERENCES:
patent: 671530 (1901-04-01), Trebette
patent: 1236762 (1917-08-01), Reynolds

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