Ventilated pneumatic tire structure and method of fabricating the tire

Claim 1

A VULCANIZED PNEUMATIC TIRE OF SUBSTANTIALLY CIRCULAR CROSS-SECTION COMPRISING A BODY PORTION FORMED FROM A PLURALITY OF RUBBERIZED PLIES TERMINATING AT THEIR EDGES IN TWO ANNULAR BEADS, SAID PLIES INCLUDING AT LEAST ONE SHEET OF CORDS WITH THE ENDS THEREOF WRAPPED ABOUT AND ANCHORED TO INEXTENSIBLE CORE MEMBERS EMBEDDED IN EACH BEAD, SAID BODY PORTION HAVING SUPERIMPOSED THEREON A VULCANIZED RUBBER TREAD PORTION, AND A SUBSTANTIALLY AIR IMPERVIOUS VULCANIZED RUBBER LINER ADHERED AT ITS ENDS TO THE INNER SURFACE OF SAID BODY PORTION A DISTANCE RADIALLY OUTWARD FROM SAID BEADS FORMING AN AIR CHAMBER WITH SAID BODY PORTION, SAID BODY PORTION BEING PROVIDED WITH A PLURALITY OF EXTERIORLY COMMUNICATING APERTURES CONNECTING WITH THE AIR CHAMBER FOR THE PASSAGE OF AIR THROUGH SAID AIR CHAMBER, EACH OF SAID APERTURES HAVING AN ELONGATED VULCANIZED RUBBER MEMBER SUBSTANTIALLY SMALLER THAN THE APERTURE ADHERED AT ONE END TO THE APERTURE WALL, SAID MEMBER BEING ANGULARLY DISPOSED TO SAID APERTURE WALL AND TERMINATING IN A FREE END ADJACENT THE EXTERIOR END OF SAID APERTURE.