Patent ID: 6217806
Filing Date: 2001-04-17
Classification: B29C,B29L

Abstract:
A method of making a solid transparent spherical article of manufacture comprising:a. providing a two-part mold having an upper portion and a lower portion, the mold having an internal substantially spherical cavity and a conduit in communication with the cavity and extending through the upper portion of said two-part mold;b. filling the lower portion of said mold with a single layer of a liquid casting material capable of setting in a transparent condition the first layer comprising between about 50 percent and 60 percent of the volume of the cavity;c. permitting the casting material to harden to a gel-like consistency;d. removing the windows from a model car having wheels and an interior cavity;e. placing the model car atop the casting material wheel-side down;f. placing the upper portion of the mold atop the lower portion and filling the remaining volume of the cavity with a second layer of liquid casting material thereby filling the interior cavity with the casting material of the second layer that freely flows into the interior cavity, the filled interior cavity having substantially no trapped air therein;g. permitting the casting material in the cavity to cure to a rigid condition thereby producing the solid transparent spherical article; andh. opening the mold and removing the solid transparent spherical article.