Apparel – Nether garments – Bifurcated
Patent
1982-08-25
1985-08-27
Hunter, H. Hampton
Apparel
Nether garments
Bifurcated
112129, 112153, 1122622, 1121221, A41B 904
Patent
active
045368910
ABSTRACT:
A method of manufacturing pantyhose by means of sewing machine using hose shaped leg parts comprises arranging the leg parts in a flattened side by side longitudinal relationship, cutting each leg part along an edge from the waist rim of its panty area up to a crotch leaving a remaining leg portion of each leg uncut so as to form upper and lower plies of each leg cut along their inner opposite edges, sewing the cut edges of the laterally adjacent plies together from the waist rim to the crotch to form a seam, deflecting the outer plies outwardly to overlie the remaining leg portions and continuing to sew the seam by sewing in the same direction the edge portions of the upper plies together. A sewing machine carrying out the invention includes a presser foot having a sole with a toe shaped front part which engages into each leg portion of the pantyhose to be formed. Each presser foot part has a guide edge and a deflecting sheet so that when the material leg parts are advanced in respect to the presser foot the leg portions are slid along adjacent side edges to form upper and lower ply portions and the upper ply portions are deflected by the deflecting blades outwardly to overlie the remaining leg portions. The sewing machine is provided with reciprocating needles which extend through an opening of the sole to form a seam which will be made in a continuous manner from the rim of the waist portion to the crotch area joining the lower ply edges together and then beyond the crotch area to join the upper ply edges together moving in the same direction, while the leg portions are spread outwardly so that the sewing needles will not engage them.
REFERENCES:
patent: 3621493 (1971-11-01), Krueger
patent: 3675247 (1972-07-01), Ferrell
patent: 3798677 (1974-03-01), Brown et al.
patent: 4100624 (1978-07-01), Davis
Hunter H. Hampton
Pfaff Industriemaschinen GmbH
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