IMPELLER REPLACING DEVICE FOR MOLTEN METAL STIRRING EQUIPMENT

• US 3,814,400 A
• Filed: 12/20/1972
• Issued: 06/04/1974
• Est. Priority Date: 12/22/1971
• Status: Expired due to Term

• Current Assignee: Masahiko Seki
• Original Assignee: Masahiko Seki
• Inventors: Seki, Masahiko
• Primary Examiner(s): Dost, Gerald A.
• Application Number:
  US05/317,002
• Time in Patent Office: 531 Days
• Field of Search: 266/1R,15,16,19,34A
• US Class Current: 266/142
• CPC Class Codes: B01F 35/12 using mechanical means
• CPC Class Codes: F27D 27/00 Stirring devices for molten material F27D3/14 takes precedence

Abstract

In a molten metal stirring equipment comprising a hood, a rotary shaft extending through the hood, an impeller attached to the end of the shaft by means of coupling and a molten metal vessel which is taken in and out below the hood, the impeller replacement device comprises a work floor provided on the hood, openings provided through the hood and the floor through which the impeller passes, a truck movable on the floor to the openings, and a work deck arranged above the opening of the floor.

Claims

1. In a molten metal stirring equipment comprising a hood, a rotary shaft extending through the hood, an impeller attached to the end of the shaft by means of coupling and a molten metal vessel which is taken in and out below the hood, the impeller replacement device comprises a work floor provided on the hood, openings provided through the hood and the floor through which the impeller passes, a truck movable on the floor to the openings, and a work deck arranged above the opening of the floor.

2. The impeller replacement device according to claim 1 in which the deck is foldable.