Patent ID: 6554052
Filing Date: 2003-04-29
Classification: A44C

Abstract:
A method of producing a hollow metal jewelry ring comprising the steps of:providing a mold with a vertically oriented mold cavity and having a shape consistent with an external shape of the ring to be produced; providing a core insert having an arcuate extent of between 200Â° and 360Â° as well as being formed of a soluble material and having a shape consistent with but slightly smaller than the ring to be produced; vertically positioning the core insert in the mold cavity of said mold; introducing a molten material into said vertically oriented mold cavity in order to surround the vertically oriented core insert and thereby fill said mold cavity; hardening the molten material in order to form a reproduction of the ring to be produced; removing the ring reproduction from the mold cavity; separating the core insert from the reproduction in order to leave behind an arcuate hollow cavity within the ring reproduction; and casting said hollow metal jewelry ring by utilizing the reproduction.