Patent ID: 11920863
Assignee: UNIVERSAL CAN CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC B  F

Claim 4:
5. A drying device comprising:
a plurality of areas with different drying temperatures; and
a conveying unit conveying can bodies formed in a bottomed cylindrical shape to the plural areas,
wherein each of plural areas includes a nozzle comprising:
a pair of nozzle walls that constitute one nozzle wall and another nozzle wall, and are arranged to face each other at a predetermined interval; and
a slit-shaped discharge port provided at tip ends of the pair of nozzle walls, and

wherein the one nozzle wall has a plurality of protrusions provided at a tip end side thereof, said protrusions protruding toward the other nozzle wall, and
wherein the other nozzle wall has a plurality of other protrusions provided at a tip end side thereof, said other protrusions protruding toward the one nozzle wall.