| 摘要 |
Separable cushion mechanism for forming the heel of the shoe uppers, which can be mounted on the backpart moulding machine with its symmetry axle at the projection of the shoe last axle. This forming cushion is composed of two equal arms (1) fixed and adjusted on one plate support (8) to create a symmetrical cavity. Two pneumatic flexible pressure tubes (2) are fixed on the internal side of this cavity and when they are activated by compressed air, they are forcing one flexible mould (3) 1-15 mm thickness (it depends on the case) to press the shoe upper on the aluminium last to take the desired shape. This mould is perimetrically free and can be turned round its pin (7). <IMAGE>
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