| 摘要 |
<p>Envelope mould for the production of mouldings in a single orientated crystal, placed in a cooling device for actual moulding and incorporates a central section open at low level to rest on the cooling assembly; one lateral arm originating from the central section with at least one portion designed to mould a casting fixed to the lateral arm; the longitudinal axes of the latter are at 90 degrees to the open terminal of the central section so as to produce the desired orientation in the casting. Used for the manufacture of monocrystalline turbine blades and fins. See also US patent 540 114.</p> |
