Autoadjustable gutter, has watertightness sealant applied in tie points exposed to filtration, terminals closed by vertical wall, and semicylindrical bodies provided with orifice and water-drainage stub

摘要

The gutter has two semicylindrical bodies overlapped in a telescope by a staple. Grooves are formed in superior edges of the gutter. A watertightness sealant is applied in tie points exposed to filtration. Terminals are closed by a vertical wall. One of the semicylindrical bodies is provided with an orifice and a water-drainage stub.