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Spin welding apparatus

  • US 4,075,820 A
  • Filed: 07/28/1976
  • Issued: 02/28/1978
  • Est. Priority Date: 07/28/1976
  • Status: Expired due to Term
First Claim
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1. An apparatus for frictionally joining a first member to a second member comprising:

  • a rotatable spindle member having a head portion adapted to releasably engage said first member;

    means to support said second member and prevent said second member from rotating;

    means to rotatably support said spindle member;

    means to move said spindle member toward and away from said second member;

    biasing means operatively associated with said means to move said spindle member toward and away from said second member to effect a predetermined tension on said spindle member prior to and during contact of said first member on said second member and limiting the stroke of travel of said spindle member as said first member is moved toward said second member; and

    means to rotate said spindle member so as to effect frictional engagement and securing of said first member on said second member.

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