| 摘要 |
A method of injection moulding a sole or a part of the sole of an article of footwear from an expandable material is disclosed. The method is characterised by by forming a mould chamber that has at least a main sub--chamber and at least one other sub-chamber and injecting controlled amounts of the expandable material into the sub-chambers so that the sole is formed with different densities of the same expanded material in the sub-chambers.
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