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    • 2. 发明申请
    • Rigid Core for Making Tires
    • 制造轮胎的刚性核心
    • US20110017403A1
    • 2011-01-27
    • US12682202
    • 2008-09-30
    • Miguel Torres-CastellanoAlain Soulalioux
    • Miguel Torres-CastellanoAlain Soulalioux
    • B29D30/32
    • B29D30/12
    • A rigid core which at least partly defines a manufacturing form for the inside surface of a tire, the core comprising a plurality of circumferentially adjacent segments (10) arranged side by side in contact with each other via their transverse faces, said transverses faces of at least one segment being convergent radially away from the core, each of said segments comprising an attachment part (13) for attachment to a locking member for locking the various segments (10), said attachment part (13) being provided at the radially inner edge of each of the segments (10), in which core at least one electrical heating resistor (17) is moulded into each of the segments (10); the electrical resistor comprises a heating resistor wire (17) running in a steel tube (16), and said segment (10) is essentially made from a grade of cast iron whose melting point is below the melting point of said steel tube (16).
    • 至少部分地限定轮胎内表面的制造形式的刚性芯,所述芯包括多个周向相邻的段(10),所述多个周向相邻的段(10)经由其横向面彼此接触地布置,所述横向面 至少一个段从芯部径向收敛,每个所述段包括用于附接到用于锁定各个段(10)的锁定构件的附接部分(13),所述附接部分(13)设置在径向内边缘 (10)中的每一个,其中至少一个电加热电阻器(17)被模制到每个段(10)中; 所述电阻器包括在钢管(16)中延伸的加热电阻器线(17),并且所述段(10)基本上由熔点低于所述钢管(16)的熔点的铸铁制成, 。