Textiles: spinning – twisting – and twining – Apparatus and processes – With drafting
Patent
1985-05-09
1987-01-13
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
With drafting
57 5, 57204, 57224, 57334, 57341, 57401, 57403, D01H 528, D01H 112, D01H 113, D02G 104
Patent
active
046354352
ABSTRACT:
Yarn having properties approaching that of ring spun yarn is produced by vacuum spinning, including directly from sliver. The elongated hollow shaft of the vacuum spinning apparatus has a vacuum reservoir, or interior chamber, that is generally in the shape of a right circular cone, and the interior passageway of the shaft from the first end thereof to the interior chamber can have the form of a right circular cone frustum. The perforations operatively connected to the interior chamber have a generally wedge-shape. The perforations and the passageway sections between the first end of the shaft and the perforations are dimensioned so that they allow sufficient air flow to achieve optimum fiber wrapping action.
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patent: 4507913 (1985-04-01), Morrison
Bradley Danny R.
Morrison Elbert F.
Reece D. C.
Burlington Industries Inc.
Petrakes John
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