Plastic aerosol cap with vent notches in skirt, and aerosol cap assembly

Claim 1

AN ASSEMBLY OF A CYLINDRICAL DISPENSING CONTAINER HAVING AN INWARDLY AND UPWARDLY TAPERED ANNULAR NECK PORTION ON WHICH A VALVE DISPENSING UNIT IS POSITIONED, THE SAID NECK PORTION HAVING A RING AT ITS LOWER EXTREMITY OF LARGER CIRCUMFERENTIAL DIMENSIONS THAN ANY PORTION OF THE ANNULAR NECK ABOVE IT AND HAVING A CIRCULAR RECESS DIRECTLY BELOW THE SAID RING IN THE NECK PORTION, WHICH NECK PORTION AND VALVE DISPENSING UNIT ARE FORMED OF METAL SUBJECT TO CORROSION BY MOISTURE, AND THE BOTTOM OF THE NECK PORTION IS JOINED TO THE TOP PORTION OF THE CYLINDRICAL SIDE OF THE SAID CONTAINER, FORMING A SEAM, A CIRCUMFERENTIAL CHUCK WALL BETWEEN THE BOTTOM OF THE NECK PORTION AND THE UPSTANDING WALL, AN INVERTED CUP-SHAPED PLASTIC COVER FOR THE CONTAINER, THE LOWERMOST EXTREMITY OF THE CYLINDRICAL SKIRT OF THE COVER HAVING A SLIGHTLY OUTWARDLY PROJECTING OFF-SET AND ALSO AN INWARDLY-VERTICALLY TAPERING OFF LOWERMOST PORTION COMING TO A POINTED EDGE SLIGHTLY ABOVE THE BOTTOM RIM OF THE COVER TO FIT INTO THE SAID CIRCULAR RECESS BELOW THE RING ON THE ANNULAR NECK, SAID SKIRT ALSO HAVING A PLURALITY OF SUBSTANTIALLY EQUIP-SPACED NOTCHES THEREIN OPENING INTO THE RIM OF THE SKIRT WHICH ARE OF A SUFFICIENT HEIGHT AND DIMENSION EACH THAT WHEN THE RIM EDGE OF THE SKIRT RESTS UPON THE CHUCK WALL CHANNEL OF THE CONTAINER THERE IS AMPLE SPACE THROUGH THE SAID NOTCHES FOR THE PASSAGE OF AIR BETWEEN THE INSIDE OF THE PLASTIC PROTECTIVE COVER AND THE OUTSIDE OF THE ASSEMBLY.