Multiple segment mold to manufacture tire bladders

Details Multiple segment mold to manufacture tire bladders Multiple segment mold to manufacture tire bladders

2008-07-29

2008-07-29

Mackey, James (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Shaping surface including means to release or remove product...

By differential gas pressure ejecting means

C425S438000, C425S443000

Reexamination Certificate

active

11550188

ABSTRACT:
A mold for forming a tire curing bladder. The mold has an outer mold assembly enclosing an inner mold core assembly. The outer mold comprises three sections and the inner mold comprises two portions. The outer mold and the inner mold core form a mold cavity therebetween. In one embodiment, the mold cavity defines a frog eye geometry where a cylindrical space is formed having a diameter that is greater for portions of the cylindrical spaced away from a centerline of the mold cavity than for portions near the centerline.

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