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Application filed by Arvi KiviojafiledCriticalArvi Kivioja
Priority to FI911845ApriorityCriticalpatent/FI88638C/en
Publication of FI911845A0publicationCriticalpatent/FI911845A0/en
Publication of FI911845ApublicationCriticalpatent/FI911845A/en
Publication of FI88638BpublicationCriticalpatent/FI88638B/en
Application grantedgrantedCritical
Publication of FI88638CpublicationCriticalpatent/FI88638C/en
Butt Welding And Welding Of Specific Article
(AREA)
Abstract
Metal roof framework comprising an upper rafter 1, a lower rafter 2 and rods 3 which form a connection between the upper and lower rafters. According to the invention, the upper rafter is an upwards-open U-section and the lower rafter a downwards-open U-section. The rods are fixed to the outer surfaces 5 of the U-sections' legs 8 by (Fig. 1) the joint areas 4 situated at their ends. <IMAGE>
FI911845A1991-04-161991-04-16
Takfackverk av metall
FI88638C
(en)