EP 0084234 A1 19830727 - Investment casting process and mould.
Title (en)
Investment casting process and mould.
Title (de)
Feingiessverfahren und Form.
Title (fr)
Procédé pour le moulage de précision et moule.
Publication
Application
Priority
GB 8137945 A 19811216
Abstract (en)
In the investment casting of hollow parts in a shell mould or in a block mould a slender core (2) is supported by means of chaplets (7) in an outer mould part (1). The chaplets are made of expanded metal and are preferably bent to form a 'C', 'V' or 'U' shaped cross section. This form of chaplet provides for good support whilst promoting diffusion thereof during the casting of the molten metal in the mould.
IPC 1-7
IPC 8 full level
B22C 7/02 (2006.01); B22C 9/04 (2006.01); B22C 9/06 (2006.01); B22C 21/14 (2006.01)
CPC (source: EP)
B22C 7/02 (2013.01); B22C 9/04 (2013.01); B22C 9/06 (2013.01); B22C 21/14 (2013.01)
Citation (search report)
- [Y] DE 2536751 A1 19760304 - UNITED TECHNOLOGIES CORP
- [Y] DE 1917476 U 19650610 - HOWE SOUND CO [US]
- [A] US 3981344 A 19760921 - HAYES DOUGLAS R, et al
- [A] US 4283835 A 19810818 - OBROCHTA FRANK T, et al
- [A] GB 2053757 A 19810211 - ROLLS ROYCE
Designated contracting state (EPC)
BE DE FR IT NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 82306628 A 19821213; GB 8235678 A 19821215