A hollow channel is produced in a mould by modelling a part having the required shape of the channel, packing a material with a higher melting point than that of the modelled part around the model, and hot isostatically pressing together. Finally, the lower melting point material of the model is melted to leave the required channel.
申请公布号
DE4426544(A1)
申请公布日期
1996.02.01
申请号
DE19944426544
申请日期
1994.07.27
申请人
THYSSEN INDUSTRIE AG, 45128 ESSEN, DE
发明人
WILLEMS, CHRISTIAN, DR., 44789 BOCHUM, DE;SEEFELDT, RUDOLF, 51069 KOELN, DE
