Method and apparatus for evaluating the flowability of core...

Details Method and apparatus for evaluating the flowability of core... Method and apparatus for evaluating the flowability of core...

2006-09-12

2006-09-12

Raevis, Robert (Department: 2856)

Measuring and testing

Testing of material

Reexamination Certificate

active

07104148

ABSTRACT:
A method and apparatus for evaluating the flowability of a core-forming material in which an airborne core-forming material is blown downwardly into a first, downwardly extending, long and confining passageway for a predetermined time, and the airborne core-forming material is allowed to escape the first long, confining passageway by diverting it into a short, transverse passageway, and further diverting it into a second, upwardly extending confining passageway, and the flowability of the core-forming material is evaluated from the quantity of core-forming material that has entered the second, upwardly extending confining passageway.

REFERENCES:
patent: 2531083 (1950-11-01), Smith
patent: 3083577 (1963-04-01), Moore et al.
patent: 5165291 (1992-11-01), Galetto et al.
patent: 6112131 (2000-08-01), Ghorashi et al.
patent: 6158293 (2000-12-01), Poole
patent: 2005/0199077 (2005-09-01), Prybella et al.

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