Title:
INOCULANT-STRAINER WITH IMPROVED FILTRATION EFFECTIVENESS AND INOCULANT DISSOLUTION
Document Type and Number:
WIPO Patent Application WO2004081532
Kind Code:
A3
Abstract:
A strainer (2) for molten metal comprises a well (5) and a multiplicity of passages (4). Each passage (4) comprises a first cavity (12) and a second cavity (12') with a smaller equivalent diameter than the first cavity (12). A neck (11) is between the first cavity (12) and the second cavity (12'). An inoculation pellet (3) is received in the well (5).
Inventors:
AUBREY LEONARD S (US)
CRAIG DONALD B (US)
MARTIN STEVEN H (US)
CRAIG DONALD B (US)
MARTIN STEVEN H (US)
Application Number:
PCT/US2004/007366
Publication Date:
December 09, 2004
Filing Date:
March 10, 2004
Export Citation:
Assignee:
PORVAIR PLC (GB)
AUBREY LEONARD S (US)
CRAIG DONALD B (US)
MARTIN STEVEN H (US)
AUBREY LEONARD S (US)
CRAIG DONALD B (US)
MARTIN STEVEN H (US)
International Classes:
B22C9/08; B22D1/00; B22D43/00; C21C1/08; C21C1/10; (IPC1-7): B22C9/08; B22D1/00; B22D43/00; C21C1/10; C21C7/00
Foreign References:
| US1049877A | 1913-01-07 | |||
| US3881937A | 1975-05-06 | |||
| DE4318309A1 | 1994-12-08 | |||
| US5690161A | 1997-11-25 | |||
| DE1296741B | 1969-06-04 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 05 30 May 1997 (1997-05-30)
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