The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2010
Filed:
Nov. 14, 2003
Applicant:
David Arthur Lee, Christchurch, NZ;
Inventor:
David Arthur Lee, Christchurch, NZ;
Assignee:
Summit Wool Spinners Limited, Oamaru, NZ;
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for producing a yarn including reciprocating twisting stage () adapted to simultaneously twist one or more slivers to produce one or more twisted strands, including one or more rollers () arranged to move reciprocally (B) along the axis of rotation of the roller(s) to input twist to the sliver(s), and control means enabling control and variation of one or more of: (a) rotation speed of the rollers(s); (b) extent of transverse movement of the roller(s)s; or (c) speed of the transverse movement of the roller(s), to vary the twist imparted to the sliver(s) or strand(s).