Synthetic sling whose component parts have opposing lays

Details Synthetic sling whose component parts have opposing lays Synthetic sling whose component parts have opposing lays

B - Operations, Transporting

66

C

B66C 1/12 (2006.01)

Patent

CA 2696805

A sling for industrial lifting made of a load-bearing core (1) and a cover (2). The cover (2) protects the plurality of yarns (3) that make-up the core (1). Each core yarn (3) is made of a number of core threads (4) twisted together. The core yarns (3) are twisted together where the twist is in the. same direction as the individual core strands and a different direction than the twist of the cover (2). The present invention describes the method of twisting the core yarns (3) together by inserting core yarns (3) substantially parallel into a cover (2) that has a twist opposite of each core strand. As the core strands are inserted into the cover (2), the twists of the individual core yarns (3) interact with the twist of the cover (2), resulting in the core yarns (3) twisting together.

L'invention porte sur une sangle pour levage industriel, faite d'une âme de support de charge (1) et d'un revêtement (2). Le revêtement (2) protège la pluralité de fils (3) qui constituent l'âme (1). Chaque fil d'âme (3) est fait d'un certain nombre de filés d'âme (4) torsadés ensemble. Les fils d'âme (3) sont torsadés ensemble lorsque la torsion est dans la même direction que les brins d'âme individuels et une direction différente par rapport à la torsion du revêtement (2). La présente invention porte sur le procédé de torsion des fils d'âme (3) ensemble par l'introduction de fils d'âme (3) sensiblement parallèles à l'intérieur d'un revêtement (2) qui a une torsion opposée à chaque brin d'âme. A mesure que les brins d'âme sont introduits à l'intérieur du revêtement (2), les torsions des fils d'âme individuels (3) interagissent avec la torsion du revêtement (2), conduisant au fait que les fils d'âme (3) se torsadent ensemble.

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