Self-adjusting payoff core

Details Self-adjusting payoff core Self-adjusting payoff core

B - Operations, Transporting

65

H

B65H 75/24 (2006.01) B23K 9/133 (2006.01) B65H 75/08 (2006.01)

Patent

CA 2580895

An invention is provided which employs a self-adjusting core section having an outer diameter which essentially matches that, or is larger than that, of the inner diameter of a wire coil, where the self-adjusting core has a vertical slit along the its length to allow the diameter of the core to be adjustable. Bridging the vertical slit are straps secured to the core to determine the core's maximum diameter, and allow the core diameter to be reduced through flexing.

La présente invention fait appel à une section de mandrin autoréglable présentant un diamètre extérieur adapté essentiellement au diamètre intérieur d'une bobine de fil, ou plus grand que celui-ci. Le noyau autoréglable présente une rainure verticale sur son entière longueur, pour permettre de régler le noyau. Des brides fixées au mandrin pontent la rainure verticale au mandrin pour déterminer le diamètre maximal du mandrin, et permettent de réduire ce diamètre par flexion.

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