opposing relationship and varying the angular positions of the flange forming members with respect to the material such that the conical flange is formed therein when the members are translated application_number US 11461487 A description referring initially to fig1 and 2 flange forming tool 10 includes a body 12 which has circular cross sections about central axis 14 handles 16 extend preferably radially outwardly from the exterior of body 12 three legs 18 of equal length depend from body 12 and are pivotally attached to body 12 by way of journals 20 fasteners 22 and opposed apertured arms 24 formed with each leg 18 journals are welded to the lower portion 26 of body 12 and have interior walls sized larger than fasteners 22 to permit free pivoting movements of legs 18 about leg axes 27 the journals 20 preferably are spaced about 120 degrees apart around lower portion 26 each leg 18 preferably has a u shaped cross section being concave in a downward and inward direction as shown in fig1 and 2 at the upper end of each leg 18 a finger member 28 is fastened to the inner central portion of each leg 18 by way of fasteners 30 each finger member 28 includes a finger 32 projecting upwardly therefrom and being substantially parallel to the longitudinal axis of leg 18 opposed apertued arms 34 are formed in the lower ends of legs 18 about a cut out 35 formed between arms 34 roller supports 36 are pivotally connected to arms 34 by way of pins 38 for free pivotal movements about roller support.