| 摘要 |
An inner die pilot for use with an outer die of a die set for necking-in, i.e. reducing the diameter of or forming a neck in the end of a can body. The pilot is comprised of a ringed central body portion and an integral, substantially S-shaped collet having a plurality of substantially S-shaped segments defined by slots running substantially radially outward from the periphery of the central body. Each segment includes substantially vertical support members and substantially horizontally arched bridge members adjoining the central body and the support members. The slots in and the areas between the support and bridge members can be filled with a hard but resilient material such as polyurethane.
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