B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 11/02 (2006.01) B29D 30/56 (2006.01) B60C 11/03 (2006.01)
Patent
CA 2058525
A prevulcanized tread for installation on a tire casing is provided. The tread includes a sole, an upper tread portion manifesting a predetermined tread design disposed between respective shoulders, and respective skirts. The tread skirts each include a generally planar interior wall, an interior interconnecting portion which couples the interior wall to the sole, an exterior side wall extending downwardly and outwardly from the tread's shoulders and an end portion connecting the interior and exterior walls. A retread tire is also provided comprising a tire casing and the prevulcanized tread of the invention installed thereon. The tire casing includes a peripheral crown manifesting, in a cross-sectional plane through the nominal axis of rotation of the casing; an arc having a predetermined radius of curvature, R c, and a predetermined arc length, AW c. The casing also includes respective shoulders disposed on wither side of the crown, each manifesting, in the cross-sectional plane through the nominal axis of rotation of the casing, an arc having a radius of curvature, R cs, which is less than R c.
Roelle Herbert J.
Seiler Ronald R.
Bandag Incorporated
Gowling Lafleur Henderson Llp
LandOfFree
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