Weed destroying implement

Claim 1

A WEED DESTROYING IMPLEMENT COMPRISING AN ELONGATED HOLLOW TUBULAR ROD HAVING AN OPEN UPPER END AND AN OPEN LOWER END, THERE BEING AN AIR VENT HOLE IN SAID ROD INWARDLY OF AND ADJACENT THE UPPER END THEREOF, A FILLER CAP CLOSING THE UPPER END OF SAID ROD AND REMOVABLY AND ROTATABLY ENGAGED ON THE UPPER END OF SAID ROD, SAID CAP HAVING A TOP WALL EXTENDING OVER AND ENGAGING THE UPPER END OF SAID ROD, AND A CYLINDRICAL SIDE WALL DEPENDING FROM SAID TOP WALL AND CLOSELY FITTING ABOUT THE EXTERIOR OF THE ADJACENT PORTION OF SAID ROD, SAID SIDE WALL BEING PROVIDED WITH AN AIR VENT HOLE REGISTRABLE WITH THE VENT HOLE IN SAID ROD RESPONSIVE TO ROTATION OF SAID CAP IN THE PROPER DIRECTION, AND VALVE MEANS CLOSING THE LOWER OPEN END OF SAID ROD AND CONTROLLING THE FLOW OF LIQUID FROM SAID ROD, SAID VALVE MEANS COMPRISING A HOLLOW TUBE EXTENDING INTO AND CLOSELY FITTED INTO THE LOWER OPEN END OF SAID ROD, AN ENLARGED HEAD DEPENDING FROM SAID TUBE AND HAVING A PORTION PROJECTING OUT OF THE LOWER END OF SAID ROD AND ENGAGING THE LOWER END OF SAID ROD, SAID HEAD BEING PROVIDED WITH AN AXIAL BORE EXTENDING THERETHROUGH, AN INJECTOR PIN SLIDABLY AND LOOSELY ENGAGED THROUGH SAID BORE AND EXTENDING BEYOND THE PROJECTING PORTION OF SAID HEAD, A VALVE HEAD ON SAID PIN AND NORMALLY CLOSING AND SEATING OVER THE ADJACENT END OF SAID BORE, AND A COIL SPRING DISPOSED WITHIN SAID TUBE AND HAVING ONE END BEARING AGAINST SAID VALVE HEAD AND HAVING THE OTHER END AFFIXED TO SAID TUBE ADJACENT THE END WITHIN SAID TUBE FOR BIASING SAID VALVE HEAD INTO CLOSING RELATION WITH RESPECT TO THE ADJACENT END OF SAID BORE, SAID PIN BEING ACTUABLE UPON APPLICATION OF PRESSURE TO THE PROJECTING END TO SHIFT THE VALVE HEAD OUT OF ITS CLOSING RELATION WITH RESPECT TO THE ADJACENT END OF SAID BORE AGAINST THE ACTION OF SAID SPRING TO PERMIT THE FLOW OF LIQUID OUT OF SAID ROD THROUGH SAID BORE.