Accession Number : ADD001708
Title : Glass Casting Apparatus and Method.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Penberthy,Harvey Larry
Report Date : 25 Mar 1975
Pagination or Media Count : 6
Abstract : The patent describes a glass casting apparatus which includes an outside mold and an inside mold. The molds are generally hollow spheres and are spaced from one another so as to form a generally spherical shell cavity. The molds are adapted to receive molten glass within the cavity, and means are provided for introducing a granulated solid, such as sand, into the inside mold. The method includes simultaneously progressively filling the cavity with molten glass and the interior mold with sand at a rate to counteract the buoyancy of the inside mold as acted on by the molten glass.
Descriptors : *Molds(Forms), *Casting, *Patents, Glass, Spheres, Submersibles, Hulls(Marine)
Subject Categories : Machinery and Tools
Distribution Statement : APPROVED FOR PUBLIC RELEASE