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Wear resistant pipe

  • US 4,733,889 A
  • Filed: 03/02/1987
  • Issued: 03/29/1988
  • Est. Priority Date: 03/02/1987
  • Status: Expired due to Term
First Claim
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1. A wear resistant pipe segment which alters the direction of flow of particulate matter of an erosive nature comprising:

  • an inlet and exit portions that are circular in cross-section;

    a connecting portion that is a closed U-shape in cross-section wherein the curved portion is on the inside of the bend and the outer surface of the bend lies on a plane or planes which are inclined at an angle or angles of at least 35°

    , but not more than 65°

    with reference to the direction of incoming flow;

    said connecting portion having a cross-sectional area through an impingement surface of at least 1.25 times the cross-sectional area of the inlet portion;

    said connecting portion being contoured smoothly to join with the exit portion;

    said pipe segment being constructed of an elastomeric material.

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