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Segmented transition coupling

  • US 4,896,902 A
  • Filed: 09/29/1988
  • Issued: 01/30/1990
  • Est. Priority Date: 09/29/1988
  • Status: Expired due to Term
First Claim
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1. A coupling segment for use in conjunction with an identical coupling segment to provide a transitional segmented pipe coupling;

  • said coupling segment having end faces respectively inclined oppositely relative to an X-Z plane of said coupling segment; and

    ,means at one end only of said coupling segment prohibiting assembly of said one end of said coupling segment to a said one end of an identical coupling segment;

    said means comprising an abutment integral with said one end of said coupling segment and positioned adjacent one axial side of said coupling segment, and a projection integral with said one end of said coupling segment and positioned adjacent an opposite axial side of said coupling segment;

    said abutment and said projection each being positioned radially outwardly of the associated said end face;

    said projection extending perpendicularly above the adjacent surface of said end face in a direction tangential to said coupling segment;

    said projection being freely moveable relative to an opposite end of an identical said coupling segment to permit both axial movement of said one end in the direction of the X-X axis of said coupling segment, and also to permit rotational movement of said coupling segment about the Y-Y axis of said coupling segment.

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