Further in Campana press pneumu00c1tica for footwear. The invention relates to the improvement in the space of a pneumatic press shoe sole that has a particular geometry of the cameras where they are assembled, the rubber membranes.The improvement in Campana press shoe sole of the invention comprises a frame (10) and a lid (11) with chambers (12 and 13) with special geometry that will significantly improve the performance of the machine.The framework of Campana (10) has walls with internal surface (101) inclined and slightly concave curve which reproduces the shape of the side bending of the bottom diaphragm (14), so as to compose a chamber (12) with low free space. The lid of the Campana (11) has a chamber (13) whose internal surface (111) is domed and reproduces the shape of the top of the bottom diaphragm (14).The chamber (13) results in a reduced space between the lid (11) and the flat top membrane (15). The inner surface (101) of the table of Campana (10) has a lower edge (102) and a top edge (103) with rounding of the long. All the curves of the inner surface (101) of the table of Campana (10) is continuous and the tangent without inflection point.The inner surface (111) of the lid of the Campana (11) has a lower edge (113), and a curve of meeting with the top (112) with rounding of the long. All the curves of the inner surface (111) of the lid of the Campana (11) are continuous and with the tangent without inflection point.
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