Patent ID: 6966330
Filing Date: 2005-11-22
Classification: F16K,Y10T

Abstract:
1. An apparatus for attachment in an aperture of a fuel tank, the apparatus comprising: a cap member having a vapor-inlet opening, a vapor-outlet opening, and a passageway interconnecting the vapor-inlet opening and the vapor-outlet opening; a mounting portion defining a weldfoot configured for welding to the fuel tank, wherein the mounting portion includes a laminate having multiple layers including a weldable layer, the laminate configured to block a permeation of fuel from about a surface of the fuel tank proximate the mounting portion, the laminate being disposed at least within the weldfoot and configured such that only the weldable layer is welded to the surface of the fuel tank; means for connecting the cap member and the mounting portion together; and a valve housing attachable to the cap member, the valve housing at least partially disposed within an interior of the fuel tank, the valve housing configured for fuel-vapor communication with the interior of the fuel tank and the vapor-inlet opening of the cap member.