| 摘要 |
<p>A method of forming an internal structure within a hollow component (2), the component comprising first and second panels (4, 6) and at least one membrane (8; 10) disposed between the first and second panels (4, 6), the method comprising: selectively bonding the at least one membrane (8; 10) to the first and/or second panels (4, 6); inflating the component (2) by passing a pressurised fluid between the first and second panels (4, 6) such that the first and second panels (4, 6) are inflated into contact with a die assembly (38) and such that the membrane (8; 10) forms an internal structure between the first and second panels (4, 6); and deforming the internal structure by applying the pressurised fluid at a first pressure (P1) on one side of the membrane (8; 10) and at a second pressure (P2) on the other side of the membrane (8; 10).
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