Process for manufacturing a semi-finished item for the production of briefs with a circular knitting machine
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United States of America Patent
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Dec 19, 1989
Grant Date -
N/A
app pub date -
May 6, 1988
filing date -
May 18, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The process has: a first step of formation of an elastic border, a second step of formation of a tubular body of knitting starting from the elastic border for a preset number of complete rows, a third step in which a first group of needles and a second group of needles of the machine, which operate on mutually angularly spaced portions of the tubular body, are excluded from working to define a pair of missing portions which constitute the leg apertures of the briefs; the needles excluded from working gradually increase in number for a widening of the missing portions. In the second step, during the knitting of the last complete rows of the tubular body, a preset number of needles, which operate in the mutually angularly spaced regions, and, in the third step, a preset number of needles proximate to the first group and to the second group of needles, are fed with yarn and with elastic thread for the formation of an elastic border around the leg apertures.
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