| 摘要 |
The mould utilizes a middle mold (14) between an upper mold (13) and a lower mold (12), for clamping the skin (26) at its edge, against the upper mould (13). The upper mold (13) has extended side portions (43) which locate upon the base of the lower mold to provide the sole support of the upper mould (13) thereby avoiding the prior art disadvantage of excessive pressure upon the lower mould which would arise from the upper mould being supported upon the top of the lower mould, and also enabling the penetration of resin foam into the skin to be adjusted, by pressure within the space (51) between the moulds (12), (13), to control the venting of gas from the mould, via a hinge (15a) and vent (48) provided on the lower mould (12).
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