Tread removal method and apparatus

Details Tread removal method and apparatus Tread removal method and apparatus

B - Operations, Transporting

29

C

18/165

B29C 33/44 (2006.01) B29C 37/00 (2006.01) B29C 43/00 (2006.01)

Patent

CA 2036575

Abstract of the Disclosure TREAD REMOVAL METHOD AND APPARATUS A method and apparatus for automatically removing an annular grooved tread from an initially closed segmented mold is described. The segmented mold has an annular cavity and a central core, and has both an axial direction and a radial direction. The method comprises the steps of withdrawing a first plurality of segments, restraining radial movement of the tread at a plurality of locations from which segments have been withdrawn, withdrawing a second plurality of segments, retracting the restraint, and then removing the tread from the core by using an axially movable annular ring located above the upper half of the mold. The annular ring includes a plurality of push off devices, each device having a spring loaded radially retractable tread pusher component.

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