System for connecting climatization channels consisting of channel pieces connected together by flange frames made of sections and corner angles avoiding the high labour intensity of previous systems

摘要

System for climatization channels consisting of channel pieces (7) connected together by flange frames made of sections and corner angles. Projections (5, 5') or interruptions extend in the edge area of the channel piece walls on the channel sheet metal and are fixed in the receivers (14)(sic) of the sections. Independent claims are included for: (1) a unit for production of the channel pieces from a sheet run; (2) a process for preparation of the channel pieces from a sheet run.