Patent ID: 6898918
Filing Date: 2005-05-31
Classification: F16B

Abstract:
1. A fastener for attaching honeycomb material to a workpiece, the honeycomb material and the workpiece defining a hole, said fastener comprising: a back side sleeve adapted for insertion in the hole, said back side sleeve having an aperture extending at least partially therethrough; a front side sleeve adapted for insertion in the hole, said front side sleeve having an aperture extending entirely therethrough, at least a portion of said front side sleeve configured such that said portion is positionable withen said aperture of said back side sleeve; and a stem member having a stem head and a shank extending therefrom, said shank being positioned within said aperture of said front side sleeve, said stem head being positioned within said aperture of said back side sleeve, said stem member configured such that said stem head expands said front side sleeve upon said stem head being pulled into said aperture of said front side sleeve, said expansion of said front side sleeve causing expansion of said back side sleeve such that said front and back side sleeves lock together and attach said fastener to the honeycomb material and the workpiece.