Cooking pot, formed as a wok-cooking pot and method for producing the same

摘要

A wok made of hard glass or glass-ceramic of low thermal expansion coefficient is new. An Independent claim is also included for production of the above wok by: (a) shaping a thermally softened hard glass blank, preferably by deep drawing, vacuum suction or gravity sagging, and then cooling and tempering; (b) shaping a hard glass gob by pressing, blowing or casting and then cooling and tempering; or (c) shaping a thermally softened non-ceramicized glass blank, preferably by deep drawing, vacuum suction or gravity sagging, ceramicizing and cooling. Preferred Features: The hard glass is a borosilicate glass.