Patent ID: 11933030
Assignee: RÜSCHO-SCHOTENRÖHR GMBH
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 5:
6. The device of claim 2, wherein the water dispersion means comprises:
a first lattice network member having water passage holes; and
a second lattice network member having water passage holes having a size and shape different from the water passage holes of the first lattice network member,
wherein, on an outer periphery of one of the first lattice network member and the second lattice network member, at least one of the assembly grooves and/or assembly protrusions is provided, and
on an outer periphery of another one of the first lattice network member and the second lattice network member, at least one of the assembly grooves and/or assembly protrusions is provided.