The vamp and injection moulding process to form a vamp

摘要

The vamp and injection moulding process to form a vamp.A vamp composed includes a first, relatively soft layer (12) is shaped and dimensioned to define a periphery of the vamp and the profile of an upper surface of the vamp, and a second, relatively hard layer (14) connected to the first layer, the second layer is adapt ADA to overlap the region of the chest and shaped to match the instep region.