A heat and flame resistant sewing thread having a core strand formed of glass material filaments is wrapped with a sheath of staple fibers spun about the core strand A lubricant is applied along the core strand to assist in the wrapping of the core strand with the sheath fibers. The sheath fibers include a series of microdenier fibers and generally will be ring spun about the core strand.
CROSS REFERENCE TO RELATED APPLICATIONS
The present patent application is a formalization of previously filed, co-pending U.S. provisional patent application Ser. No. 60/890,949, filed Feb. 21, 2007, by the inventors named in the present application. This patent application claims the benefit of the filing date of the cited provisional patent application according to the statutes and rules governing provisional patent applications, particularly USC .sctn. 119(e)(1) and 37 CFR .sctn. 1.78(a)(4) and (a)(5). The specification and drawings of the provisional patent application are specifically incorporated herein by reference.
