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. 13, 1976
Filed:
Dec. 23, 1974
Applicant:
Inventor:
Erbie Gail Mize, Chattanooga, TN (US);
Assignee:
Astec Industries, Inc., Chattanooga, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222188 ; 137248 ;
Abstract
Storage bin having a material discharge opening and a gate which is selectively openable to discharge material from the bin. A region surrounding the gated opening is selectively filled with a liquid to provide an airtight seal surrounding the closed discharge opening. The liquid is withdrawn from the region surrounding the discharge opening, before the gate is opened for discharge of material from the storage bin.