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:
Jan. 08, 1980
Filed:
Nov. 30, 1977
Applicant:
Inventor:
Charles S Alack, St. Louis, MO (US);
Assignee:
Semi-Bulk Systems, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
141 83 ; 141 93 ; 141314 ; 108 551 ; 206444 ; 222195 ; 361215 ;
Abstract
A closed system for filling a container with a load of powdered, granular, or other dry fluent material and for unloading the load substantially without the emission of dust to the atmosphere. The container has an opening in its top which may be sealingly secured to a filling head during during filling and closed by a removable cover. The filling head is connected to a dust receiver for removing dust laden air displaced from within the container as the load is delivered to the container. The container used with this system may be adapted for fluidized unloading of the powder substantially without the release of dust.