Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1997-07-02
1999-07-27
Stryjewski, William
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
57 11, 57 12, 57 18, 57 25, 140 39, 140119, D02G 336
Patent
active
059270594
ABSTRACT:
An exemplary apparatus is a jig including a chuck having a plurality of radially movable members for controllably gripping a member inserted in an axial bore extending therethrough. The chuck is mounted on a hollow tube whose axis is collinear with the bore of the chuck. This jig is used by first positioning a first elongated member (e.g. a first, or "inner" wire) in the axial bore of the chuck, and tightening the radially movable members thereon. The distal end of a second elongated member (e.g. a second, or "outer" wire) is secured in a fixed relationship with the chuck, so that the distal end turns with the chuck. The chuck is then rotated so as to rotate the first, inner wire. As this inner wire is rotated, the operator trains the second wire thereagainst, thereby yielding a length of coil with the inner wire extending therethrough. After a length of coil has thus been produced, the chuck is opened and the first wire, with the second wire now coiled thereabout, is inserted into the chuck (and, therethrough, into the hollow tube), and the chuck tightened onto the coiled second wire. The operator then resumes training the second wire against the rotating first wire, extending the length of the coil earlier formed. By alternately coiling wire, and then moving the coil thus formed into the chuck (and ultimately into the hollow tube), coiled stock of arbitrary length can be quickly and simply produced--a feat not possible with prior art techniques.
REFERENCES:
patent: 827552 (1906-07-01), McCloud
patent: 983911 (1911-02-01), Linn
patent: 997754 (1911-07-01), Clawson
patent: 1326766 (1919-12-01), Moore
patent: 1336649 (1920-04-01), Musson
patent: 3030984 (1962-04-01), Vogt et al.
patent: 4704855 (1987-11-01), Yoshida et al.
patent: 4910954 (1990-03-01), Tizzi
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