Device for securing a plug in an infusion hole

Claim 1

APPARATUS FOR PLUGGING AN INFUSION HOLE INCLUDING A DEFORMABLE PLUG ASSEMBLY IN COOPERATIVE RELATIONSHIP WITH AN EXPANDER MECHANISM, SAID PLUG ASSEMBLY COMPRISING A HOLLOW STOPPER MEANS OF DEFORMABLE MATERIAL HAVING AS AN INTEGRAL PART THEREOF AN ENCLOSURE WALL AT ONE END FORMED AS AN OUTWARDLY EXTENDING CONE-SHAPED PORTION WITH A SLIT NEAR ITS APEX, A SLOTTED ELEMENT, AND A SLEEVE OF PLIABLE AND SUBSTANTIALLY NON-RESILIENT MATERIAL RETAINING SAID SLOTTED ELEMENT WITHIN THE HOLLOW STOPPER MEANS SUCH THAT THE ELEMENT IS IN POSITION AT THE BASE OF THE CONE-SHAPED PORTION, SAID EXPANDER MECHANISM COMPRISING AN ELONGATED ROD HAVING AT ONE END A KEYING MEANS OPERABLE TO BE RECEIVED THROUGH THE SLOTTED ELEMENT OF THE PLUG ASSEMBLY TO ENGAGE A SURFACE OF THE ELEMENT WITHIN THE CONE-SHAPED ENCLOSURE PORTION, A MATERIAL FORMING MEMBER SLIDABLY SUPPORTED ON SAID ROD, TWO ELONGATED HOLLOW MEMBERS NESTED TOGETHER AND SLIDABLY SUPPORTED ON SAID ROD SUCH THAT AN END OF ONE OF SAID NESTED MEMBERS IS IN CONTACT WITH THE FORMING MEMBER, AND THE OTHER OF SAID NESTED MEMBERS HAVING FIXED THEREON A PIVOT SUPPORT MEANS ADJACENT TO A FLANGE ON THE OTHER END OF THE SAID ONE OF THE NESTED MEMBERS, STOP MEANS FIXED TO SAID ROD AND IN CONTACT WITH ONE END OF THE OTHER OF SAID NESTED MEMBERS FOR PREVENTING MOVEMENT OF THE PIVOT SUPPORT MEANS AWAY FROM THE SAID FLANGE, AND A LEVER MEANS PIVOTED ON SAID PIVOT SUPPORT MEANS AND OPERABLE TO SLIDABLY CONTACT THE FLANGE ON THE SAID ONE OF THE NESTED MEMBERS WHREBY THE LATTER IS DISPLACED RELATIVE TO THE OTHER OF SIAD NESTED MEMBERS AND THE ROD SUCH THAT IT DISPLACES THE FORMING MEMBER TO ENTER A SUBSTANTIAL PART THEREOF WITHIN THE SAID SLEEVE TO EXPAND AND DEFORM THE SLEEVE AND THE HOLLOW STOPPER MEANS IN CONTACT THEREWITH.