Sewing – Products – Sewn web or sheet
Patent
1993-12-30
1996-01-09
Nerbun, Peter
Sewing
Products
Sewn web or sheet
A41F 102, D05B 306
Patent
active
054819954
ABSTRACT:
In a bar tacking stitch pattern comprising lateral stitches formed in a sewn product in such a way as to cover the starting and ending portions of overedge chain stitches which are formed on the periphery of a button hole in the direction substantially at right angles to the extending direction thereof and zigzag stitches which cross the lateral stitches, a pair of stitches of the zigzag stitches are formed on both sides of an end portion of the button hole adjacent thereto in such a way as to be substantially symmetrical with regard to the button hole and a pair of stitches of the lateral stitches are formed on both sides of the end portion of the buttonhole adjacent thereto outside the area between a pair of line segments which respectively extends through the pair of stitches of the zigzag stitches in the extending direction of the button hole. As a result, stitches of lateral stitches are not formed in the portion of the sewn product adjacent to the buttonhole which is in a weak condition so that it is possible to form a stable and uniform bar tacking stitch pattern so as to improve the quality of the sewn product.
REFERENCES:
patent: 2186228 (1940-01-01), Avis
patent: 4188900 (1980-02-01), Garron
patent: 4502401 (1985-03-01), Asai et al.
Ayuta Masanori
Hiratsuka Katsuo
Nakayama Koichi
Nerbun Peter
The Singer Company N.V.
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