The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 1985
Filed:
Nov. 18, 1983
Applicant:
Inventors:
Otto Hochstrasser, Franklin Park, NJ (US);
Hans G Heine, Little Silver, NJ (US);
Heinz Buechi, North Brunswick, NJ (US);
Assignee:
BBC Brown Boveri, Inc., North Brunswick, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D / ;
U.S. Cl.
CPC ...
266135 ; 266281 ; 266287 ;
Abstract
A ladle scraper mechanism 20 comprises an outer frame 44 which supports and guides a carrier assembly 58 for up and down movement to move scraper legs 57, with scraper blades 72 at their lower ends, down along the lining of a ladle 22 containing a bath 40 of molten metal while vibrators 70 on the top of the legs vibrate them and pneumatic actuators 68 on the carrier assembly force the legs to swing radially outwardly against the ladle walls.