TIRE BUILDING DRUM

A tire building drum (10) is used to build a large green tire. The tire building drum (10) comprises: a cylindrical drum main body (12) haying an outer peripheral surface (14) a diameter of which is capable of being increased and reduced; and a coating (16) formed on the outer peripheral surface of...

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Bibliographic Details
Main Author ITOH Tatsuya
Format Patent
LanguageEnglish
Published 11.05.2017
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Summary:A tire building drum (10) is used to build a large green tire. The tire building drum (10) comprises: a cylindrical drum main body (12) haying an outer peripheral surface (14) a diameter of which is capable of being increased and reduced; and a coating (16) formed on the outer peripheral surface of the drum main body. The coating (16) includes a silicon layer (26) defining a surface of the coating (16), and the silicon layer has a surface roughness Ra of 10 μm or greater. The tire building drum (10) requires no application of stearic acid onto the surface thereof in release of the green tire.
Bibliography:Application Number: US201515317671