A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present invention relates to a method of manufacturing a ladder comprising the steps of cutting away defined sections (12, 16) in a plane plate (10) of metal to form longitudinally extending sections (14) and transversally extending sections (18) between the longitudinally extending sections, forming the transversally extending sections (18) to generally tubular rungs; and forming the longitudinally extending sections (14) to profiled side profiles.
The present invention relates to a method of manufacturing a ladder comprising the steps of cutting away defined sections (12, 16) in a plane plate (10) of metal to form longitudinally extending sections (14) and transversally extending sections (18) between the longitudinally extending sections, forming the transversally extending sections (18) to generally tubular rungs; and forming the longitudinally extending sections (14) to profiled side profiles.
METHOD OF PRODUCING A LADDER
VERFAHREN ZUR HERSTELLUNG EINER LEITER
PROCÉDÉ DE PRODUCTION D'UNE ÉCHELLE
HEDLUND ROLF (author)
2023-06-07
Patent
Electronic Resource
English
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