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:
Feb. 21, 1978
Filed:
Mar. 06, 1973
Applicant:
Inventors:
Edouard Legille, Luxembourg, LU;
Rene N Mahr, Howald-Hesperange, LU;
Assignee:
S.A. des Anciens Etablissements Paul Wurth, Luxembourg, LU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B / ; B65D / ;
U.S. Cl.
CPC ...
222558 ; 222575 ;
Abstract
Apparatus including a channel defining member and a movable flow control device cooperating therewith for exercising variable control over the rate of delivery of charge material from a hopper to a furnace is disclosed. The channel defining member approximates an oval shape and the flow control device is a concave shaped member which rotates from a full open to a full closed position along the major axis of the oval and with respect to the discharge end of the channel defining member.