Method and apparatus for manufacturing aluminum alloy strip...

Details Method and apparatus for manufacturing aluminum alloy strip... Method and apparatus for manufacturing aluminum alloy strip...

2008-06-13

2011-11-01

Kastler, Scott (Department: 1733)

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By separating metal in a molten mass from undesired...

C266S236000

Reexamination Certificate

active

08048364

ABSTRACT:
An apparatus for manufacturing aluminum alloy strip for a lithographic printing plate supports includes a filter, a launder connected to the filter, a liquid level controller connected to the launder, and a melt feed nozzle connected to the liquid level controller. The liquid level controller includes a step to trap settled particles within an aluminum melt which forms the alloy strip. The launder has a length L (m) which satisfies the condition 4≧L≧V×270×1.2×D, where V is the flow velocity in meters per second of the aluminum melt in the launder and D is the depth in meters of the aluminum melt in the launder.

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EP Communication, dated Oct. 1, 2008, issued in corresponding EP application No. 08010952.3, 8 pages.

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