FULL CONE NOZZLE

PROBLEM TO BE SOLVED: To provide a full cone nozzle, in which the precision of the flow rate of a jetted liquid is improved. SOLUTION: A liquid is introduced into a 1st liquid supply part 2, which is formed between a nozzle body 1 and a core 6, and a 2nd liquid supply part 20, which is formed in the central part side of the core 6 in the diameter direction, by forcibly charging the core 6 into a hollow part 5 formed in the nozzle body 1 to communicate with a liquid jetting port 4 of the nozzle body 1, and is jetted conically from the liquid jetting port 4 to flow while being turned and fluidized. A part 7 of the tip side of the core 6 formed into a conical taper shape to decrease the diameter toward the tip side is engaged with a part 8 of the hollow part formed into a conical taper shape to decrease the diameter toward the side nearer the liquid jetting port 4 and a prescribed number of liquid supply grooves 9 to jet the liquid so as to flow rotatably from the 1st liquid supply passage 2 by the engagement are provided on the core part 7.