High crown uni-stage tire building drum
AssigneeThe Goodyear Tire & Rubber Company
InventorsJohn Roedseth, Francis Cornet, Jean-Marie Colling
Life of this patent
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Abstract
A tire building drum and a method of building a tire carcass is disclosed. The tire building drum has a center section comprised of a plurality of segments that are radially and axially movable. The building drum further comprises shoulder sections that are axially movable. The shoulder sections include radially expandable bead locks. The method employs the steps of applying one or more carcass layers, locking the bead locks and moving the center section radially outwardly while moving the bead locks axially inwardly.
Claims11
A tire building drum comprising:
- a rotatable drum having a center section and a first and second shoulder section, wherein each of said shoulder sections is independently movable in the radial direction and the axial direction;
- said center section being radially expandable, said center section further comprising a first half and a second half, wherein the first half and the second half are axially movable with respect to each other so that the center section has an adjustable width.
A tire building drum comprising:
- a rotatable drum having a center section and a first and second shoulder section, wherein each of said shoulder sections is independently movable in the radial direction;
- said center section having a plurality of radially expandable and axially movable segments.
Dependencies are inferred from the claim text.