Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-06-23
1994-01-11
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
152209R, 1561281, 1561303, B29D 3054
Patent
active
052777278
ABSTRACT:
A pre-vulcanized tread for installation on a tire casing includes a sole and an upper tread portion which are each arched between respective skirts. The arc of the sole differs from the arc of the upper tread portion by a predetermined constant. In the preferred embodiment, the skirts include generally planar interior and exterior wall portions, the skirts joining the sole along a radius which is less than the radius of the sole itself. The exterior sidewall is disposed at a predetermined angle with respect to the vertical such that the width of a nominal arc of the sole radius intersecting the exterior walls is of a predetermined length which is greater than the width of the upper tread portion arc, and the interior walls of the respective skirts are disposed at a different angle with respect to vertical such that an extension of the interior wall intersecting the nominal arc of the sole defines another arc width which is less than the width of the upper tread portion arc.
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Roelle Herbert J.
Seiler Ronald R.
Ball Michael W.
Bandag Licensing Corporation
Krawczyk Nancy T.
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