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

Claim 0:
1. 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, 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,
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,
a Reynolds number of a gas discharged from the discharge port is 1000 to 10000, and
a ratio of an area of the protrusion to an area of a gap between the protrusions is 1:3 to 2:1.