Method of producing scaffolds, especially ladders

Details Method of producing scaffolds, especially ladders Method of producing scaffolds, especially ladders

B - Operations, Transporting

29

C

18/974

B29C 65/42 (2006.01) E06C 7/08 (2006.01) F16B 11/00 (2006.01)

Patent

CA 1243464

ABSTRACT OF THE DISCLOSURE A method is disclosed of producing scaffolds, especially ladders. In order to provide a construction solely made of an insulant material, the rails and rungs of the ladder are wholly made of reinforced plastic and are joined to each other by means of a polymeric cold junction method. A hole is provided on the side of the rail and a suitable amount of a mineral or fiber reinforced monomer mixture is fed through the hole and placed on the inner surface of the rail opposite the respective hole. Thereafter, the rung is positioned through the hole and into contact with the monomer mixture and the resultant whole structure is turned upside down. The monomer mixture is polymerized by means of heat, a catalyst and/or an accelerator. The monomer mixture flows around the junction of the rung and the rail polymerizing therein and forming a tight joint between the rung and the rail.

475603

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