E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G7/00—Connections between parts of the scaffold
E04G7/02—Connections between parts of the scaffold with separate coupling elements
Boulon demontable pour assembler de facon tournante l'un a l'autre deux elements mecaniques de petites dimensions axiales, particulierement pour des systemes de leviers de machines textiles
Assembly method for sealing metallic ducts - connecting duct edges have double folds which locate inside sliding square channel, with seal provided between abutting edges