Af- of doorvoerelement voor een dak, werkwijze voor het vervaardigen van een dergelijk element.

摘要

#CMT# #/CMT# A conduit (3) for drainage or through flow for a roof has a metal plate-shaped fixture part (2) attached to it. The conduit is made of aluminum and the fixture part is made of lead. A soft-soldered connection (30) is formed between the conduit and the fixture part. The soldered connection contains an alloy of cadmium and zinc, with a low quantity of silver. The melting stage of the solder is between 260 and 270 degrees Celsius. #CMT# : #/CMT# After a cooling period, any residual fluid medium can be removed, e.g. by immersion in cold or warm water and/or with a cloth and/or by brushing. #CMT#USE : #/CMT# As a conduit for drainage or through flow for a roof. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The figure displays schematically and in perspective an example of the throughflow component. 2 : fixture part 3 : conduit 30 : soldered connection #CMT#METALLURGY : #/CMT# The soldered connection contains an alloy of cadmium and zinc, with a low quantity of silver. The conduit is of aluminum and the fixture part is of lead.