| 主权项 |
1. A surgical table top, comprising:
a core member made of an X-ray transparent thermoplastic foam material, and a composite material in a layer surrounding the core member, comprising from 50 to 60% (vol) of carbon fiber and a resin, characterized in that it: has an X-ray attenuation equivalence of from 0.4 to 0.6 mm Al (aluminum) at 100 kV; has a thickness of less than 40 mm; tolerates a maximum load of 300 kg; and in that it is produced with a resin transfer moulding process, comprising arranging the core member and at least one sheet of carbon fiber on each side of the core member in a mould; sealing and heating the mould; injecting a pressurized resin forming system into mould until all carbon fiber voids are filled; and admitting the resin to cure at a curing temperature. |
