Textiles: spinning – twisting – and twining – Apparatus and processes – With drafting
Reexamination Certificate
1999-11-02
2001-09-11
Calvert, John J. (Department: 3765)
Textiles: spinning, twisting, and twining
Apparatus and processes
With drafting
C057S058340, C057S058490, C057S058520, C057S058650, C057S059000, C057S237000, C057S315000
Reexamination Certificate
active
06286294
ABSTRACT:
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to a wire stranding machine, and more particularly to the wire stranding machine capable of stranding wires evenly.
According to the prior art, the capstan is located inside the rotary structure and just in front of the winding drum, and the wire material is being stranded as well as given a tension at the time of passing through the flyer bow. But because of the long distance between the wire supply position and the capstan, there may cause an irregular pitch in stranding the wires thereby resulting in an unevenly stranded product even if the wires were pulled with a given tension.
The reasons for this defective product are because the wires are supplied in a free condition relative to the rotary structure and also because the wires slacken under the influence of the wind force generated by the rotary structure. Particularly in case of stranding two wires, it was an important requirement to pull them uniformly. If one wire is pulled with a stronger force than the other, the former will become straight with the latter being coiled around, resulting in an inferior product as stranded wires.
OBJECTS AND SUMMARY OF THE INVENTION
The present invention comprises a capstan disposed at the wire supply side outside of the rotary structure, so as to improve the accuracy in stranding the wires and provide evenly stranded wires even in case of using two wires.
According to the invention, means for solving the problems comprises a shaft-supported rotary structure including a winding drum disposed at the inner side of flyer bows, and a capstan assembly disposed adjacent to the shaft on the wire incoming side. The capstan assembly comprises a pair of capstan means, each capstan means consisting of main and auxiliary capstans having plural grooves on the outer circumferential surface thereof and said main capstans being located opposite to each other. The two main capstans are adapted to rotate at the same speed but in opposite directions.
On the shaft supporting the rotating structure, the main and auxiliary capstans in pairs are arranged parallel to each other in the direction perpendicular to the axial direction of said shaft, and the main capstans are arranged opposite to each other symmetrically to the center of the axis.
Further, the capstan assembly is characterized in that the main capstans are of the same diameter.
Still further, the capstan assembly is arranged so that main capstans have engaging gears mounted on the rotary shafts of said main capstans and the rotary shafts are connected to a rotation drive means.
Still further, the capstan assembly is arranged so that the auxiliary capstans slant slightly relative to the rotary structure.
A member for mounting the rotary shafts of the main and auxiliary capstans is formed with a cut therebetween, with the portion mounted with the auxiliary capstan being raised so as to slant the auxiliary capstan to the rotary structure.
REFERENCES:
patent: Re. 26757 (1970-01-01), Vibber
patent: 267279 (1882-11-01), Strohm
patent: 297175 (1884-04-01), Shelburne
patent: 1629168 (1927-05-01), Massingham
patent: 1684511 (1928-09-01), O'Donnell
patent: 2002975 (1935-05-01), Brooks
patent: 2010888 (1935-08-01), Pool
patent: 2723525 (1955-11-01), Blaisdell
patent: 2773344 (1956-12-01), Van Hook
patent: 2787653 (1957-04-01), Ormerod
patent: 2958724 (1960-11-01), Milloit
patent: 3052079 (1962-09-01), Henning
patent: 3067569 (1962-12-01), Kelly, Jr.
patent: 3142952 (1964-08-01), Kraft et al.
patent: 3147580 (1964-09-01), Blaisdell et al.
patent: 3382314 (1968-05-01), Nordblad
patent: 3676576 (1972-07-01), Dubernet
patent: 3756004 (1973-09-01), Gore
patent: 3857996 (1974-12-01), Mansen
patent: 4100721 (1978-07-01), Seiichi
patent: 4133167 (1979-01-01), Schofield
patent: 4182105 (1980-01-01), Tokuji
patent: 4222221 (1980-09-01), Lenorak
patent: 4227041 (1980-10-01), Den et al.
patent: 4300339 (1981-11-01), Orlandi et al.
patent: 4328662 (1982-05-01), Bretegnier et al.
patent: 4404424 (1983-09-01), King et al.
patent: 4445593 (1984-05-01), Coleman et al.
patent: 4446688 (1984-05-01), Ueda
patent: 4461923 (1984-07-01), Bogese
patent: 4486623 (1984-12-01), Ploppa
patent: 4545190 (1985-10-01), Rye et al.
patent: 4570428 (1986-02-01), Blackmore
patent: 4634102 (1987-01-01), Appling et al.
patent: 4654476 (1987-03-01), Ottler
patent: 4677256 (1987-06-01), Bauer et al.
patent: 4680423 (1987-07-01), Bennett et al.
patent: 4734544 (1988-03-01), Lee
patent: 4754102 (1988-06-01), Dzurak
patent: 4759487 (1988-07-01), Karlinski
patent: 4777325 (1988-10-01), Skinski
patent: 4937401 (1990-06-01), Lee
patent: 4945189 (1990-07-01), Palmer
patent: 5118278 (1992-06-01), Nishitima
patent: 5287691 (1994-02-01), Okamato
patent: 5424491 (1995-06-01), Walling
patent: 5493071 (1996-02-01), Newmoyer
patent: 5767441 (1998-06-01), Brorein
patent: 0299123A2 (1989-01-01), None
patent: 2542545 (1993-09-01), None
patent: 8-6269 (1994-12-01), None
patent: 2717396 (1997-06-01), None
Calvert John J.
Hurley Shaun R
Kinrei Machinery Co., Ltd.
Weingram & Associates P.C.
LandOfFree
Wire stranding machine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wire stranding machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wire stranding machine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2473092