Method of making a buttonhole and eyelet

Claim 1

A BUTTONHOLE EYELET FOR ATTACHMENT TO A FABRIC CONSISTING OF A THERMOPLASTIC SYNTHETIC FLEXIBLE RESIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYVINYL CHLORIDE, POLYSTYRENE, POLYBUTADIENE, AND POLYVINYL ACETATE, SAID PLASTIC PARTLY PENETRATING BETWEEN THE FIBERS OF A FABRIC TO WHICH SAID EYELET IS ATTACHED, SAID EYELET COMPRISING A COLLAR HAVING TWO SUBSTANTIALLY PARALLEL ELONGATED SIDE WALL PORTIONS, A FIRST CURVED END WALL PARTION CONNECTING ONE PAIR OF ENDS OF SAID SIDE WALL PORTIONS, AND A SECOND CURVED END WALL PORTION CONNECTING THE OTHER PAIR OF ENDS OF SAID SIDE WALL PORTIONS, AND LATERALLY PROJECTING FROM THE SAME, SAID WALL PORTIONS DEFINING TOGETHER A BUTTONHOLE HAVING AN ELONGATED NARROW PART AND A ROUND PART HAVING A DIAMETER GREATER THAN THE TRANSVERSE EXTENSIONS OF SAID NARROW PART AND ADAPTED FOR RECEIVING THREAD SECURING A BUTTON, AND A PAIR OF SPACED TRANSVERSE FLANGES OUTWARDLY PROJECTING FROM SAID COLLAR INTEGRAL WITH THE SAME AND ADAPTED TO PARTLY PENETRATE AND ADHERE TO A FABRIC HAVING A SLIT BOUNDED BY SAID COLLAR.