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Ball joint forming methods

  • US 3,376,633 A
  • Filed: 04/20/1966
  • Issued: 04/09/1968
  • Est. Priority Date: 04/20/1966
  • Status: Expired due to Term
First Claim
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1. A METHOD FOR MAKING SEAL-TIGHT BALL JOINTS, AND METHOD COMPRISING:

  • (A) FORMING A FIRST TUBULAR MEMBER WITH A SPHERICAL, ENLARGED PORTION THEREON;

    (B) TRUNCATING SAID SPHERICAL PORTION ALONG A PLANE SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID FIRST TUBULAR BODY TO FORM A LARGER AND A SMALLER SEGMENT;

    (C) INSERTING ONE EXTREMITY OF A SECOND TUBULAR MEMBER A SELECTED DISTANCE INSIDE THE MOUTH OF THE LARGER SEGMENT;

    (D) CONFINING SAID FIRST AND SECOND TUBULAR MEMBERS WITHIN A SUITABLE DIE MEANS;

    (E) DISCHARGING WITHIN SAID SECOND TUBULAR MEMBER BY THE CAPACITOR DISCHARGE METHOD A QUANTITY OF

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