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Tetherball or like inflatable article

  • US 3,220,729 A
  • Filed: 08/15/1962
  • Issued: 11/30/1965
  • Est. Priority Date: 08/15/1962
  • Status: Expired due to Term
First Claim
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1. A HOLLOW INFLATED ARTICLE OF FLEXIBLE, ELASTIC PLASTIC MATERIAL AND OF THE TYPE ADAPTED TO BE SUSPENDED ON AN ELONGATED FLEXIBLE ELEMENT;

  • A BODY OF RELATIVELY HARD, INFLEXIBLE SYNTHETIC RESIN HAVING A HEAT BONDING AFFINITY FOR SAID ELASTIC PLASTIC MATERIAL, AND BEING INTEGRALLY BONDED TO THE WALL OF THE ARTICLE TO PROJECT INWARDLY THEREOF;

    SAID BODY HAVING A PASSAGE THERETHROUGH AND BEING ENCASED IN A SHEATH OF ELASTIC PLASTIC MATERIAL WHICH IS AN ANCHORED EXTENSION OF SAID WALL, SAID SHEATH BEING INTEGRAALY ATTACHED TO THE ENCASED INNER PORTIONS OF THE BODY AND SEALING THE INNER END OF SAID PASSAGE AGAINST OUTWARD PASSAGE OF INFLATION MEDIUM FROM THE INFLATED ARTICLE;

    AN ELONGATED RIGID MEMBER INWARDLY RECEIVED IN SAID SEALED BODY PASSAGE AND HAVING A SERIES OF LONGITUDINALLY SPACED SHOULDER PORTIONS ANCHORINGLY EMBRACED BY INNER PORTIONS OF SAID BODY;

    SAID MEMBER HAVING A RIGID EXTENSION THEREOF OUTWARDLY OF THE WALL OF THE ARTICLE AND PROVIDED WITH ANCHOR MEANS FOR ATTACHMENT OF A SAID FLEXIBLE SUSPENSION ELEMENT;

    SAID ANCHORINGLY EMBRACING PORTIONS OF SAID BODY HAVING THE STRUCTURAL CHARACTERISTICS RESULTING FROM SAID RIGID MEMBER HAVING BEEN INSERTED IN SAID SEALED BODY PASSAGE WHILE THE BODY WAS IN A HEAT-SOFTENED CONDITION AND THE BODY HAVING BEEN SUBSEQUENTLY COOLED AND CONTRACTED ABOUT SAID SERIES OF SPACED SHOULDER PORTIONS OF THE RIGID MEMBER, FIRMLY TO RESTRAIN THE SAME AGAINST FORCIBLE SEPARATION OF THE MEMBER FROM THE ELASTIC BODY IN USE OF THE ARTICLE SUSPENDED ON A SAID FLEXIBLE ELEMENT.

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