×

Paint drain closure and vehicle panel

  • US 4,700,981 A
  • Filed: 10/06/1986
  • Issued: 10/20/1987
  • Est. Priority Date: 11/04/1985
  • Status: Expired due to Fees
First Claim
Patent Images

1. A closure for sealing a paint drain hole in a planar portion of a vehicle body panels, said closure comprising a deformable sheet metal plug of inverted hat-shaped configuration;

  • said plug being formed in one piece and having an imperforate bottom wall, a continuous side wall projecting upwardly from the outer limits of, said bottom wall, and a generally planar continuous perimetric flange extending outwardly from the upper end of said side wall;

    said side wall being curved along a substantial portion of its perimetric extent and including at least two perimetrically-spaced indented wall portions lying within a projected continuation of the curvature of said side wall;

    each indented wall portion having an elongated outwardly-projecting integral camming rib disposed within said projected continuation of curvature of said side wall and a thermoplastic sealant ring secured to the underside of said flange;

    said ribs being sloped relative to said perimetric flange and spaced from said perimetric flange a distance exceeding the thickness of said sealant ring but less than the combined thicknesses of the sealant ring and the panel at said hole;

    said sealant ring being heatable to expand and adhesively bond to both the underside of said flange and the planar portion of said panel adjacent said hole therein.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×