Enhanced tread mold expander

Details Enhanced tread mold expander Enhanced tread mold expander

1995-06-07

1997-08-05

Crispino, Richard

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

425 19, 425 20, 425 35, 425 46, 425 47, B29C 3500, B29D 3052

Patent

active

056538472

ABSTRACT:
Tire recapping or retreading apparatus and method including the use of a tread mold with a plurality of mold segments. A tread mold loading machine is used to position a prepared tire carcass or built tire relative to the mold segments and to install the mold segments on the exterior of the built tire. The mold segments are retained in place on the exterior of the tire carcass by a pair of tension springs. The tension springs hold the mold segments on the tire carcass after the mold segments have been released from the tread mold loading machine. The use of the tread mold loading machine and the mold segments eliminates distortion of the tire carcass during installation of the tread mold on the exterior of the built tire.

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