Abstract: A disposable heat storage unit comprises a hermetically sealed, heat conductive pouch containing a quantity of a latent heat substance which may be preheated to an initial temperature higher than that of its heat of fusion so that, upon cooling, it releases first its sensible heat followed by the release of the heat of fusion at a constant temperature over a sustained period of time. The unit may be placed in a container within which is positioned an article whose temperature is to be maintained at an elevated level.

Abstract: A high speed method of producing continuous length magnet wire coated with a high solids content polymer coating composition. Copper or copper alloy wire segments are joined by brazing utilizing a braze whose melting point is greater than 1000.degree. F. and less than 1600.degree. F. The thus formed joint has a tensile strength greater than 27,000 p.s.i., and is capable of being conformed to the circumference of the wire substrate without substantially altering the surface integrity of the wire. The continuous length magnet wire is preheated to an elevated temperature. The preheated wire is coated with a noncirculating polymer enamel composition having a high solids content and a high viscosity at high speed. The enamel coated wire is then cured.