Cooling drum for continuously casting thin cast piece and...

Details Cooling drum for continuously casting thin cast piece and... Cooling drum for continuously casting thin cast piece and...

2005-05-24

2005-05-24

Stoner, Kiley S. (Department: 1725)

Metal founding

Means to shape metallic material

Continuous or semicontinuous casting

C164S480000

Reexamination Certificate

active

06896033

ABSTRACT:
Dimples, preferably 40 to 200 μm in average depth and 0.5 to 3 mm in diameter of circle equivalent, are formed on the peripheral surface of a cooling drum, adjacent to each other at the rims of the dimples; and fine humps (preferably, fine humps 1 to 50 μm in height and 5 to 200 μm in diameter of circle equivalent on the surfaces of the dimples and/or fine humps 1 to 50 μm in height and 30 to 200 μm in diameter of circle equivalent at the rims of the dimples), fine holes (preferably, fine holes 5 μm or more in depth and 10 to 200 μm in diameter of circle equivalent), or fine unevenness (preferably, fine unevenness 1 to 50 μm in average depth and 10 to 200 μm in diameter of circle equivalent) are formed at the rims and/or on the indented surfaces of said dimples.

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