Patent ID: 6650033
Filing Date: 2003-11-18
Classification: B29C,C08L,C09J,H01J,Y10T

Abstract:
A lamp assembly comprising:a base having a top and side walls forming a cavity with an interior surface; a glass lamp having at least one end with an exterior surface inserted in the base cavity; and a foamable coupling positioned between the interior surface of the base and the exterior surface of the glass lamp, said coupling comprising a copolymer selected from the group consisting of ethylene vinyl acetate, ethylene methyl acrylate, ethylene butyl acrylate, ethylene ethyl acrylate, ethylene methacrylic acid, and mixtures thereof, a blowing agent, a chemical crosslinking agent and a radiation crosslinking promoter; wherein when the base and glass lamp are heated, the foamable coupling expands and securely affixes the glass lamp in the base.