DEVICE FOR FORMING A FLARED HOOP, MANDREL, METHOD FOR FORMING A FLARED HOOP, FLARED HOOP.

摘要

Device for forming a flared hoop comprising an expandable mandrel (2) comprising a cylindrical body (3) with at least one flared end (4), wherein the mandrel is adjustable between a first position in which the mandrel has a diameter and a second position in which the mandrel has a larger diameter, wherein the device is arranged for positioning the mandrel in the first position in a hoop to be flared and for bringing the mandrel from the first position to the second position to provide the hoop with at least one flared end.