Patent ID: 6866086
Filing Date: 2005-03-15
Classification: A44B,B29C,B29L,B60R

Abstract:
1. A method of manufacturing a solid form seat belt buckle (the buckle), the buckle being enabled to dice an automobile windshield, comprising: ladling metal in a molten state into a cold chamber of a metal mold (die), the cold chamber being lined with a heat resistant material and the cold chamber having at least a tip portion and a seatbelt portion in fluid communication with the tip portion, the tip portion shaped such that the tip formed thereform may shatter a windshield when the tip portion strikes the windshield with at least seven pounds of force; inducing a first pressure, the first pressure higher than ambient pressure on the metal in the metal mold; exposing the metal in the die to the first pressure for a predetermined period of time; and releasing the mold to expose the metal, the metal now forming a solid metal buckle.