Manufacture method for pneumatic tire and rigid core used for the method
A technology of pneumatic tires and rigid cores, applied in the field of rigid cores, can solve the problems of low storage management efficiency, increased storage space, and increased manufacturing costs of core sections c, and achieve the goal of suppressing the reduction in storage management efficiency and facilitating storage Effect
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[0076] Next, embodiments of the present invention will be described in detail.
[0077] The manufacturing method of the pneumatic tire of the present invention is constituted to include: a green tire forming step S1, such as figure 1 As schematically shown, this process uses a ring-shaped hollow rigid core 10, and the raw tire 1 is formed by sequentially attaching unvulcanized tire components 12 on the outer surface of the rigid core 10; vulcanization process S2, such as figure 2 As schematically shown, in this process, the raw tire 1 and the rigid core 10 are put into the vulcanization mold 11 for vulcanization molding. Examples of the tire constituent member 12 include an innerliner 12a, a carcass cord 12b, a belt 12c, a bead core 12d, a lap rubber 12e, a sidewall rubber 12f, and a tread rubber 12g.
[0078] In addition, since various conventional green tire forming steps and vulcanizing steps using rigid cores can be appropriately adopted as the raw tire forming step S1 ...
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