×

Corrosion protection tube for use on an anchor of a post-tension anchor system

  • US 6,631,596 B1
  • Filed: 10/16/2000
  • Issued: 10/14/2003
  • Est. Priority Date: 10/16/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A post-tension anchor system comprising:

  • an anchor encapsulated with a polymeric material, said anchor having a trumpet portion extending outwardly therefrom, said trumpet portion having a notch formed into an exterior surface thereof, said trumpet portion of said anchor comprising a tubular body with an outwardly extending surface integrally formed therewith at an end opposite said anchor, said notch formed between said anchor and said outwardly extending surface, said outwardly extending surface having an arrowhead shape with a narrow exterior diameter at said end opposite said anchor and a wide exterior diameter adjacent said notch;

    a tube having a connection portion at one end and a sealing portion at an opposite end thereof, said connection portion having an interior surface at one end thereof engaged within said notch of said trumpet portion, said connection portion having a shoulder extending radially inwardly thereof and juxtaposed against said wide exterior diameter of said tubular body, said tube having an uninterrupted constant exterior diameter extending from said connection portion to said sealing portion; and

    a tendon having a sheathed portion and an unsheathed portion, said unsheathed portion affixed within said anchor and extending through said trumpet portion and through a portion of an interior of said tube, said sealing portion of said tube being in liquid-tight engagement with said sheathed portion of said tendon.

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